Acid Leaching for Metallic Impurities

Acid Leaching for Metallic Impurities Acid Leaching for Metallic Impurities Evaluation of Some Mineral Ores in Nigeria *R.L. Tyohemba1 S. K. Emgba2 Abstract There is every need to access the impurity ratio of mineral ores in order to furnish investors and industrialists with information required to weigh the gains of venturing into their exploration. Metallic ores including; Zinc ore (Sphalerite), Iron ore (Magnetite), Iron ore (Heamatite), Copper ore (chalcocite), Lead ore (Galena) and gypsum were obtained from the National Geological Survey Kaduna. The ore samples were grounded and digested with aqua regia solution to leach their metallic constituents using standard method. The main metallic components of the ores viz: Zn, Fe, Cu, Pb and Ca were determined by the flame atomic absorption spectrophotometer (Biotech FAAS Phoenix 986) alongside their associated impurities. Galena (Lead ore) recorded the highest metallic impurity content of about 28.64 % and was followed by Sphalerite with about 6.31 % metallic impurities. The other ores recorded Zn>Mg>Ni>Pb. The impurity content of heamatite and magnetite were of the same trend in the orde r Mn>Cu>Zn>Ni>Pb. However, heamatite recorded higher Fe content than magnetite. Galena contained 534.50 mg/Kg (71.36 %) lead content with its associated impurities present in the order Zn>Mn>Cu>Cd. Sphalerite contained 8362.22 mg/Kg (93.69 %) as zinc while its associated impurities were present in the order of Cu>Fe>Ca>Mn>Pb. In gypsum, its Calcium content was (97.15 %) with its associated metallic impurities in the order Mg>Fe>K>Cr>Pb. The studied ores had a very high level of their major metallic constituents with only Galena which had a high level of impurities. Thus these ores could be good feedstock to mine their principal components. 1.1 INTRODUCTION Nigeria is richly endowed with a variety of mineral resources, fossil fuelsand solid minerals ranging from precious metals, various stones to industrial minerals such as Lead(Pb), Feldspar(xAl(Al,Si)3O8), ron magnetite(Fe3O4), iron hematite(Fe2O3), gypsum(CaSO4.2H2O),copper(Cu), Kaolinite(Al2O5(OH)4Si), Zinc(Zn), Limestone(caco3) e. t. c. Most of these are yet to be exploited. Statistically, the level of exploitation of these minerals is very low in relation to the extent of deposits found in the country. The presence of impurities in ores is inevitable due the nature of their occurrence. Impurities in minerals may be caused by simple admixtures or by crystal chemical substitutions [1]. Impurities are often responsible for colour changes. Natural impurities are common in minerals, as is the propensity for one element to slip into the crystalline structure in place of some other element. Exchanges of these forms do not cause a modification in mineral name as long as the replacements m ake up only a small proportion of the entire structure. Oxides nodules of Ni, Co and Cu have been found to occur in lattices of iron and manganese [2]. Associated impurities of zinc(II) such as lead, iron, Copper, Silver etc., contained in are said to be found present in Nigerian sphalerite mineral[3]. The high manganese content of the sphaleritesleave them incongruous for processing by conventional smeltingtechniques, facilitating the inevitability to design and construct an onsiterefinery that is specifically suited for Gamsberg ores and concentrates [4]. Naturally occurringsphalerite commonly incorporates variable concentrations ofimpurities (e.g. Fe, Cd, Mn, Cu, Co, Ni, Ge, In) that substitute zincin lattice sites. For example, FeS concentrations can range up to25 mol. %, while MnSseldom reaches up to 14 mol.%. Consequently,the high extent of stoichiometric inconsistency observedhas a marked effect on the processing, as high levels of theseimpurities in some zinc concentrates, i.e. Gamsberg, renders themunsuitable for processing by tr aditional operations.Copper is associated with basemetals such as nickel and cobalt. Studies have also been carried out on representative samples of Kà ¼re (Turkey) where massive rich copper ore were leached in acidic ferric sulfate solutions in order to recover copper and its associated metals (Zn, Co, Ni) present in the ore[5].The minerals of lead and zinc are naturally associated with eachOther.In many parts of the world, significant deposits of these mixedsulphide–oxide lead and zinc ores are found with the main sulphideand/or oxidised ore bodies. Because of their complex mineralogy,these ores are very difficult to deal with from a mineral processingpoint of view and they are very often left untreated as a result of themetallurgical difficulties encountered in extracting lead and zincfrom them. Although the primary sources of the metals are leadand zinc concentrates from sulphide and oxidised ores, as suppliesof these deplete, the processing of mixed ores must be considered[6]. Also, the lead-zinc ore from a mine is featured by complicated copper-lead-zin c intergrowth and uneven dissemination size. Besides, the minerals containing copper activate by nature the mineral containing zinc, causing difficulty of separation of copper, lead and zinc minerals [7].There also published data on the presence of metallic impurities including; Fe, Se, Mg, Al, Si, Cu, Zn, Pb, Cr, La, Ce, Nd and Y which were removed from desulpurized gypsum [8]. Hayward and Quincy [9] developed a method for the treatment of iron ores containing impurities such as aluminium, silicon, chromium, nickel and cobalt from iron ores of the type which contain nickel in excess of 0.25% and chromium in excess of 0.5%, such as for example those ores found in Cuba known as Mayari ores. The impurities which are present in all iron ores such as sulphur, phosphorus, manganese and silicon appear in iron and steel made there from. Such impurities are generally undesirable in iron alloys, but it has not been possible to remove them completely, and only high grade iron ores are used at present in the production of iron. For this reason, various low grade iron ores have been wholly rejected, either because of their high contents of the impurities mentioned or because they contain varying amounts of base metals [10]. These bulks of impurities mentioned in the essay have obvious unattractive characteristics that will increase the cost of mineral processing. There exist speculations that mineral ores in Nigeria are characterized by high levels of impurities. It then becomes imperative to access these mineral ores and their impurity ratios to furnish investors and industrialists with information that will help to estimate cost of production as well as to find suitable methods applicable for their purification. 2.1 METHODOLOGY 2.1.1 Sample Collection and Preparation Mineral ores including; Zinc ore (Sphalerite ZnS), Iron ore (Magnetite – Fe3O4), Iron ore (Heamatite (Fe2O3)), Copper ore (chalcocite Cu2S)), and Lead (Galena-PbS) were obtained from the National Geological Survey Kaduna. The samples were stored in the laboratory for the study. The ore samples were grounded using a porcelain mortar and pistol sieved and digested to leach their metallic constituents using the procedure described below. 2.1.2 Acid leaching of ore samples for metallic content determination. This was carried out as described by the ISO (1998)procedure [11]. 1g of the grounded air dried ore sample was transferred into a 250 ml reaction vessel (Teflon digestion bomb). 10ml of the mixture of nitric acid and hydrochloric acid in a ration of 1:3 (aqua regia) was added unto the reaction vessel containing 1g of dried sample and heated using hot plate inside a fume hood until white fume was observed and allowed to cool. The reaction vessel was allowed to stand so that most of any insoluble residue settles out of suspension. The relatively sediment-free extract was decanted carefully onto a filter paper, collecting the filtrate in a 100 ml volumetric flask. All the initial filtrate was allowed to pass through the filter paper, and the insoluble residue was washed onto the filter paper with a minimum amount of nitric acid (0.5 mol/l). The filtrate so collected was collected alongside the initial filtrate and the volume of the flask was made up to mark with deionized water. The extract thus prepared was ready for the determination of the studied metals, by an atomic absorption spectrometer (Biotech FAAS Phoenix 986). 3.1 RESULTS AND DISCUSSION 3.1.1 Metallic Content of Copper Ore (Chalcocite). The result of metallic content of copper ore is presented in table 1. The concentration of copper in the ore was found to be 10341.73 (mgkg-1) representing about 97.7% of its metallic content covered by this work. Other metallic constituents which are considered to be impurities were also found present. Hence, Ca (99.65 (mgkg-1), Mg (63.89 mgkg-1), Ni (9.38 mgkg-1), Pb (1.99 mgkg-1) and Zn (73.26 mgkg-1) in the order Ca>Zn>Mg>Ni>Pb. These metallic ions exists in their +2 oxidation states as copper and could replace the Cu2+ in its lattice sites. In a similar work by [5], massive rich copper ore was leached in acidic ferric sulphate solutions and was able to recover copper and its associated metals (Zn, Co and Ni). Table 1 Metallic content of Copper ore (mg/Kg) 3.1. 2. Metallic content of the studied Iron ores (Heamatite and Magnetite) Presented in table 2 are the available metallic contents of the studied iron ores. The mount of iron in the heamatite ore was found to be 6488.19 mgkg-1, representing (97.3) % of the total metallic content evaluated in the study. The iron content of magnetite was 5571.81 mgkg-1, representing 96.99%. However, an interesting trend was observed in the variation in the amount of metallic impurities which were found present in these iron ores. Both heamatite and magnetite varied in their level of impurities in the order Mn>Cu>Zn>Ni>Pb. Oxides nodules of Ni, Co and Cu have been found elsewhere to occur in lattices of iron and manganese ores [2]. Hayward and Quincy [9] had already identified impurities such as Aluminium, Silicon, Chromium, Nickel and cobalt from iron ores of the type which contained nickel in excess of 0.25%. The values reported in this study for both iron ores are lower in nickel content than those recorded above (0.21 and 0.18) % nickel for heamatite and magnetite respect ively. As earlier stated in literature, iron alloys are generally undesirable but it has not been possible to remove them completely, and only high grade iron ores are used at present in the production of iron. For this reason, various low grade iron ores have been wholly rejected, either because of their high contents of the impurities mentioned or because they contain varying amounts of base metals [10]. From the results presented in this study, Nigerian iron ores are of high iron content with very minimal impurity content in the ratio of (1:35 and 1:32) iron to metallic impurities content of heamatite and magnetite. Table 2 Metallic content of iron ores (HeamatiteMagnetite) (mg/Kg) **H: Heamatite **M: Magnetite 3.1. 3 Metallic Content of Lead Ore (Galena) The recorded amount of Pb in the galena ore was 534.50 mgkg-1, representing (71.36) % Pb content of the studied metallic components. Also, other metallic components considered to be impurities including; Cadmium, Copper, Manganese and Zinc were found present in the ore as presented in table 4 in the order Zn>Mn>Cu>Cd. The metallic impurities of Zn and Mn were present in relatively large amounts. (i.e. 14.21 and 12.85) %. The minerals of Lead and zinc are naturally associated with each other. In many parts of the world, significant deposits of these mixed sulphide-oxide lead and zinc ores are found with the main sulphide and/or oxidized ore bodies. Because of their complex mineralogy, these are very difficult to deal with from mineral processing point of view and they are very often left untreated as a result of the metallurgical difficulties encountered in extracting lead and zinc from them [6]. Table 4. Metallic content of Lead ore (mg/Kg) 3.1.4 Metallic Content of Zinc ore(Sphalerite) The results are found in table 5. Zinc content was determined to be 8362.22 mgkg-1 (93.69) % of the ore’s metallic content studied. Other metallic components which are considered to be common impurities associated with zinc ores were also found present in the other Cu>Fe>Ca>Mn>Pb. The occurrence of zinc with such impurities has earlier been reported in the previous session. Table 5. Metallic content of Zinc ore (mg/Kg) 3.1.5 Metallic content of gypsum Heiska (2011) have reported the presence of metallic impurities including; Fe, Se, Mg, Al, Si, Cu, Zn, Pb, Cr, La, Ce, Nd and Y in gypsum. As presented in table 6, the main metallic component of gypsum which is calcium was evaluated to be 9921.03 mgkg-1, representing 97.15 % of the total metallic content of the studied metals. Other metals such as Cr, Fe, Mg, K and Pb were found present in the acid leached mineral in the order Mg>Fe>K>Cr>Pb. The dominance of Mg as an impurity in this ore is much expected as the metal ion (Mg2+) is known to occur in areas where there calcium deposits exchanging at its lattice and together causing water hardness. Table 6. Metallic content of Gypsum ore (mg/Kg) 3.1.6 Main metal component and impurities ratios of studied ores In table 7 and fig. 2, the summary of these ratios are presented. Lead ore had the highest level of total metallic impurities recording about 28.69 % as impurities in its ore. Others had low metallic impurities in them. Zinc ore recorded less than 10 % as metallic impurities. On the other hand, metallic impurities in copper, heamatite, magnetite and gypsum were less than 5 %. Table 7.Metal/metallic impurity ratios of studied ores. Fig.2 Metal/metallic impurity ratios of studied ores 4.1. Conclusion The analysis of metallic content of some of the Nigerian mineral ores presented from the result indicates that the studied metallic ores are rich in their principal metallic constituent. The only exception observed is the high impurity content of galena (Lead ore). All the other mineral ores had a little percentage of metallic impurities in them. It is gain saying that these raw materials could serve as very rich industrial feedstock that will require little processing and thus serve cost. The high Zinc and Manganese content of the galena is disadvantageous in terms of the metallurgical process that will be required to recover the major metallic content as well as the appreciable contents of the other metals which are equally of industrial importance. REFERENCES [1] Smykatz-kloss, W. Determination of impurities in minerals by means of Standard Differential Thermal Analysis, â€Å" Purity Determination by Thermal Methods, ASTM STP 838, R.L Blaines C.K. Schoff, Eds., American society for Test and Materials, 1984, 121-137. [2] Zhang, W and Cheng, C. Y. (2007). Manganese metallurgy review. Part I: Leaching of ores/secondarymaterials and recovery of electrolytic/chemical manganese dioxide. Hydrometallurgy 89 (2007) 137–159. [3] Alafara,A. B and Folahan, A. A (2011).Beneficiation of a Nigerian sphalerite mineral: Solvent extraction of zinc byCyanex ®272 in hydrochloric acid. Hydrometallurgy, Hydrometallurgy 109 (2011):187–193. [4] McClung, C. R. and Viljoen, F (2011). A detailed mineralogical assessment of sphalerites from the Gamsberg zincdeposit, South Africa: The manganese conundrumMinerals Engineering 24 (2011) 930–938. [5] Arslan, F, Bulut, M. Olgaà §Kangal, K. TahsinPerek, AlimGà ¼lSebahattinGà ¼rmen (2004). Studies on leaching of massive rich copper ore in acidic ferric sulfate solutions. Scandinavian Journal of Metallurgy 33(1):6-14. [6] Olubambi, P.A., Ndlovu, S., Potgieter, J.H. and Borode, J.O. (2008).Mineralogical characterization of Ishiagu (Nigeria) complex sulphide ore.Int. J. Miner. Process. 87 (2008) 83–89. [7]Ma, J., Ren, J. and Yuan, L (2008). Flotation experimental research of multi-metal sulphide ore. Northwest Geological Research Institute of Non-ferrous metallic ores, Xian 710054, China. [8] Heiska, P (2011). Methods of purifying gypsum. US Patent 20110044883. [9] Hayward, C.R. and Quincy, M (1948). Treatment of iron ore containing impurities including nickel and chromium. US patent. No.45862. New York. [10] Meyer, R. (1931). Process of Beneficiating iron ores. US Patent. Series No.527367. New York. [11] ISO 11047. 1998. Soil Quality – Determination of cadmium, chromium, cobalt, copper, lead, manganese nickel and zinc. Flame and electrothermal atomic absorption spectrometric methods.International Organization for Standardization. Geneva, Switzerland. 6 p. (available at www.iso.ch).

Exporting Rubber Products to China

The manufacture of rubber based products such as industrial tyres, tubes, auto parts and components has been a part of Sri Lanka’s economy since the early 1930’s. As one of the largest rubber producing countries, Sri Lanka produces different types, forms and grades of rubber as well as rubber based products for export markets. China accounted 0. 45% of total exports from Sri Lanka to the world, but on the current trend it’s optimistic that China will increase the potential items of exports from Sri Lanka such as rubber products, tea, spices and confectioneries and seafood. China’s demand for rubber was expected to rise 8. % tonnes in 2010 to reflect strong growth in the country’s auto sector. The development of the auto industry is the main driver for the development of market for rubber products in China. The development of highway construction and transportation industry will drive the demand for tyres, engineering rubber products and other rubber products. China consumes 16% of the world’s natural rubber. China has already become the world’s largest rubber consumption than any other country, estimated statistics illustrate China’s top rubber consumer’s position will not be shaken in the period ahead. In recent years, the world’s major rubber companies such as Goodyear, Bridgestone, Michelin and other tire companies have entered China, mass production of export products. As the emerging economic super power, China led solid foundation for the exporters of rubber products by creating potential market opportunities due to its sustained high growth in exports of rubber. Many opportunities are available on improving trade with China considering the strength of the cordial relationship maintained between the two countries by continuous dialogue and trade agreements on mutual understanding. It is reasonably appropriate to commend the trade relationship between the two countries considering the fact its historical relationship and the monumental development in China who will indisputably become the giant in trade & industry during this century. China’s membership of Asia Pacific Trade Agreement (APTA) would provide Sri Lanka access to one of the largest markets in the world. It was becoming more important as it gave Sri Lankan exporters access to the emerging giant economies in the world such as China, India and South Korea. Rates of utilization of key trade deals such as the Asia Pacific Trade Agreement (APTA) and South Asia Free Trade Agreement (SAFTA) were low by Sri Lankan rubber exporters. It might be due to exporters are not obtaining certificates of origin from the department of commerce, exporters are not aware of the Free Trade Agreements (FTA) or the importer is not presenting it and getting duty concessions. It’s important to improve exports to China because the potential market for the rubber based products is enormous. Sri Lankan exporters should make aware of the preferential trade terms between China and Sri Lanka and utilize them in the best possible way to develop the export of rubber products. Recently, Sri Lankan Government has used trade policies which would further their foreign policy objectives such as building strong relations with China. Despite Sri Lanka rubber industry being adversely affected by this world crisis, Sri Lanka was able to recover the lost market share and offer its natural rubber at a highly competitive rate under these trade agreements. China commenced import of rubber from Sri Lanka in 1951 even before agreements became effective. China extended a remarkable sense of generosity to the people of Sri Lanka in becoming the principal importer of rubber from Sri Lanka. Although exports under APTA have grown, it was still only about 50 million dollars worth of goods to China, Korea, India and Bangladesh with about 1,800 certificates of origin issued by the commerce department. Natural rubber and rubber products are one of the main products exported under South Asia Preferential Trading Agreement (SAPTA) and Asia Pacific Trade Agreement (APTA). Under SAPTA also total Sri Lankan exports remains modest. While the Free Trade Agreements do not eliminate import tariffs on rubber, it would facilitate to ensure stable cost and supply for China suppliers. The agreement can encourage Sri Lankan exporters to set up distribution offices in China and sell directly to downstream manufacturers in the country. Southeast Asia is the largest source of rubber in the world, particularly Indonesia, Thailand, Vietnam and Malaysia. All of these countries are huge competitors from the Sri Lankan perspective. The quality of output from the region is good and stable as well. China, on the other hand, is the largest global manufacturer of tires and China requires at least 60% of natural rubber used for the industry is currently sourced overseas. There would be a potential market not only for rubber products but also for natural rubber for the exporters of Sri Lanka. China's rubber market has maintained rapid consumption growth and booming growth patterns remains unchanged. If Sri Lankan rubber producers seek the markets available in the world such as China and build international competitiveness in the industrial rubber products, it would help Sri Lanka to raise national income and create jobs in the particular sector. Rubber industry helps to utilize underemployed labour resources because it needs intensive labour resource and it is also kind of forest rehabilitation. Sri Lanka could shift from exporting of long lived forest products to relatively short lived forest products such as rubber. Sri Lankan rubber products manufacturing industry could achieve remarkable progress with the use of novel technology and sophisticated production facilities. In tandem with the increase in rubber consumption in China, the corresponding increase in the volume and value of exported rubber products has grown significantly. Factors of rapid growth of China’s rubber consumption * Rapid economic expansion As China is at present stage of heavy industrialization there’s a vast need of rubber based products for the appliance manufacturers, automobile companies and various other industries. Major economic indicators such as Gross Domestic Product (GDP), Industrial Production annual growth rate, Fixed Asset Investment Growth Rate and annual growth rate of China demonstrate the potential opportunities available in China. * Automakers have been strong. There’s a rapid growth in vehicle production with the improvement of people’s income levels, middle class expansion of automobile consumption. * Dramatic increase in the road traffic Expansion of the economic output, the acceleration of urbanization, domestic and foreign trade and enhanced standard of living has increased the road traffic significantly in China. Considerable increase in road traffic is a direct stimulus to the major rubber product, industrial tyres. RECOMMENDATIONS AND CONCLUTION 1. It ‘s necessary for private sector to develop and add more value on their rubber based products so as to improve their competitiveness in the Chinese markets as well as to make the best use from the abundant natural rubber in Sri Lanka. * In order to improve their competitiveness, producers of rubber products should develop and enhance their human resources skills, improve their production process to be more efficient and produce higher quality rubber products. In addition, Sri Lankan firms should focus more attention on research and development (R&D) to enhance and upgrade their products to be a higher quality in order to meet product standards and requirements in China. * The most important fact is that producers, suppliers and related institutes (Research Institutes, Testing laboratories and so on) should hold hands to form a cluster in order to help and support each other in the integrated supply chain. 2. To improve the quality of rubber products to export to China, the producers should study and possess good understanding on China’s compulsory standards and recommended standards. 3. Before exporting to China, the exporters should study and have a good understanding of the current situation in the Chinese rubber markets, the transportation and logistics system in China, regulations and other related policies of the Chinese Government and China’s commitment in the WTO as well as China’s FTA agreements with Sri Lanka. 4. Be cautious of selecting business or trade partners, and select one with potential and credibility. The exporters should emphasize on building close relationships with their Chinese partner to allow for smooth business operations. Connections are one of the most important business customs in China and other social and cultural aspects include joining a meal together and gift giving using two hands as it demonstrates sincerity and intention between two parties. The system of Chinese networking is heavily focused on personal relationships. . The Government of Sri Lanka should encourage public and private sector to add more value on natural rubber, which are abundant in Sri Lanka in order to produce processed rubber products by financially supporting the rubber industry, providing technical and other assistance, developing the human resources, conducting more researches on rubber products as well as encouraging rubber producers to improve the quality of Sri Lankan rubber products to meet the required standards in oreign markets, particularly in China and other foreign countries. 6. The Sri Lankan Government should financially support and establish the research and testing laboratories as well as Sri Lankan researchers and specialists to improve the production processes and upgrade higher standards of Sri Lankan products, including the equipment, machinery and innovation to produce new hi end products. . When taking into consideration fundamental factors such as size of economy, size of population and size of domestic market, it seems that Sri Lanka is not in a position to compete with China. Therefore, its necessary to adapt strategic approaches to co exist with China, particularly to be part of China’s economic growth rather than to explicitly compete with China. Therefore, we suggest the Sri Lankan Government to implement the â€Å"Rise with the Dragon† strategy, in terms of trade and investment in order to be part of China’s production and consumption processes. The export of rubber products to China would be economic growth driven international business to Sri Lanka. As Rubber fall under the main export categories of Sri Lanka, we have a potential of developing the quality of rubber products and there’s a vast opportunity exists in China for Sri Lankan Rubber Products.

Types of Power in a Negotiation

What are the five types of power? Referent- power that comes from admiration or respect from others subject to such power Reward- power that comes from using rewards as a way to get things accomplished Legitimate- having a title that grants power, such as CEO Expert- power that comes from having supreme knowledge of the subject Coercive – using punishment as a way to get things done Consider a negotiation with which you are familiar. What parties were identified? Who had power or influence? Explain why.I personally don't find myself negotiating through situations on a daily basis, my work environment is very fast-paced and we usually make decisions very quickly. But I can definitely see these types of power struggles in a family situation or even a marriage. Personally I know I have used the reward and coercive powers to get my kids to do things. Being a parent also gives that legitimate power, I am MOM therefore what I say goes. Based on your experience with a negotiation, ho w does having one or more of the five types of power affect the dynamics of the negotiation?I would have to say that at work our team Leader beyond having legitimate power, he also has referent and expert power. During department meetings to discuss methods to improve our efficiency we all give our feedback and go back and forth with our ideas. It is his knowledge of the company and years of experience that usually provide the most efficient approach to improving our dept. Having the respect from everyone in the department as well as other co-workers initiates the negotiation towards a productive solution.

My Personal Philosophy of Education - 2057 Words

Within this paper I will show reason and support for the development of my own personal philosophy of education I have found to be of importance that should be found in today’s classroom. I have a strong support of a safe environment and availability of free expression to be offered equally to every eager mind of a child. There are important assets that I will explore within this paper that I feel can be used as valuable tools to help construct less of â€Å"at risk students† and produce more positive citizens in the future of our society. I will try and support how schools and faculty play such a strong role in a having the opportunity to be an additional role model in a child’s life. Are†¦show more content†¦Pupils showing their eagerness through questioning and continuous motivation to be involved in classroom lectures would have to more proof positive to me than any statistic level of scoring. The most important role of the teacher by my own definition would have to be to always provide a positive learning environment for their students. Having a strong support group can only help to promote a more positive institution of learning for a child. A teacher should stay abreast of protective factors to help students stay on a path of positive outcome. Key protective factors help to develop resiliency among students according to Benard (1997). Resilient children and youth share at least four common attributes: Social competence, problem-solving skills, Autonomy, and sense of purpose and future ( Benard 1997). The key factors associated with resiliency include: (1) Support relationships, particularly encouragement from school personnel and other adults. (2) student characteristics, such as self-esteem, motivation, problem-solving skills, conflict resolution skills, and the acceptance of responsibility. (3) Family factors, such as parental support/concern and school involvement. 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