When you partner with Kemira you work with a solutions provider with the world s largest supply of inorganic coagulants.

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1 Superfloc Flocculants & Coagulants The mining industry consumes large quantities of water. With water scarcity issues on the rise and ore quality on the decline, finding a solution to effectively separate ore and gangue materials is important in lowering your total cost of operations. We offer a complete flocculant and coagulant product portfolio engineered to improve throughput, enhance yield and optimize your processes in mining applications. We manufacture high-quality flocculant and coagulant products used in a wide range of mineral-processing applications. Our global network of manufacturing plants utilizes computer process control to ensure consistent quality and achieve compliance with regulatory requirements. Our continual emphasis on new technology combined with applications expertise provides costeffective solutions in your daily operations. When you partner with Kemira you work with a solutions provider with the world s largest supply of inorganic coagulants. Additionally, you collaborate with a primary manufacturer of polyacrylamide polymers, with full back-integration to acrylamide and extensive polymer manufacturing capabilities. Experienced Research & Development staff along with our Applications Experts and Technical Sales Representatives are available for consultation. They can assist in the selection of the optimum flocculant and coagulant solution for your mineral-processing needs.

2 Our products improve your overall performance Every mineral slurry exhibits a range of particle sizes and charge requirements. Optimum dosages can be achieved and overall performance improved by matching molecular weight and charge to the unique characteristics of the slurry. We offer a broad mineral-processing product line covering a wide variety of ionic charges, molecular weights, chemical types and physical forms. Superfloc Flocculants & Coagulants for Mining Applications Cationic Polyamine Cationic DADMAC Inorganic Coagulant Anionic Flocculant Nonionic Flocculant In-process Treatment Aggregate dewatering S S S Coal press dewatering S S Filtration aids S S S S Phosphoric acid liquor clarification S S Leach process clarification S S Pregnant liquor clarification S S Concentrate thickening S S Flotation depressants S S S S Biox settling S Select separation S Gland water clarification S S S S S Slimes handling S S S S S Wastewater Treatment Tails thickening S S Tailings filtration S S S S Paste thickening S S S S Hydrogen sulfide reduction/odor control S Antimony/arsenic/selenium removal S S Wastewater treatment S S S S S

3 Dry powder flocculants Kemira s dry powder flocculants exhibit consistent quality and high active polymer content. Our proprietary sieving process serves to eliminate many dust fines and reduce human exposure and slippery residue in the makedown area. Together with our dry polymer process, which achieves high molecular weights, this often results in a lower overall cost in many mining applications. Powder flocculants are differentiated by molecular weight and charge density. Anionic charge density can range from 0-100%. Molecular weight can range from 1 20 million Daltons and is characterized indirectly by Standard Viscosity measurements. Kemira also produces a full range of cationic dry powder flocculants that can be useful in mining applications. Our products are free of nonylphenol and all nonionic and anionic powder flocculants contain less than 500 ppm of acrylamide residuals. Superfloc Dry Flocculants for Mining Applications Anionic Charge (mole %) Standard Viscosity Filtration High Rate Thickeners Concentrate Tails Thickening Acidic Liquor Clarification Superfloc N100 None Medium S S Superfloc N300 None Medium S S Superfloc A-95 Low Medium S Superfloc A-100 Low Medium S Superfloc A-100 HMW Low High S Superfloc A-110 Low Medium S Superfloc A-110 HMW Low High S S Superfloc A-120 Medium Medium S Superfloc A-120 HMW Medium High S S Superfloc A-120 V Medium Very High S S Superfloc A-125 V Medium Very High S S Superfloc A-130 Medium Medium S S Superfloc A-130 HMW Medium High S S Superfloc A-130 LMW Medium Low S S Superfloc A-130 V Medium Very High S S Superfloc A-137 High Medium S S Superfloc A-150 High Medium S S Superfloc A-150 HMW High High S S Superfloc A-150 LMW High Low S Superfloc A-185 HMW High High Superfloc A-190 K High Medium

4 High performance emulsion flocculants We manufacture an extensive range of high performance emulsion flocculants designed to lower your overall cost in many mining applications. Years of manufacturing expertise and control of acrylamide feedstock quality have earned us a reputation for high quality emulsions. Our proprietary emulsion breaker and carrier systems result in reduced polymer emulsion settling rates and low formation of insoluble material. Emulsion flocculants are differentiated by molecular weight and charge densities. Anionic charge densities can range from 0 100% and include the incorporation of acrylic acid and 2 acrylamido 2 methylpropanesulphonic acid (AMPS) monomers. We offer a line of hydrolyzed anionic emulsions with exceptionally high molecular weight. Molecular weight can range from 1 60 million Daltons and are characterized indirectly by Standard Viscosity measurements. Kemira also produces a full range of cationic emulsion flocculants that occasionally find application in mining.

5 Manufacturing expertise and quality control Emulsion Flocculants for Mining Applications Anionic Charge (mole %) Standard Viscosity Filtration High Rate Thickeners Concentrate Tails Thickening Belt Press Superfloc N-1986 None High S S Superfloc 4788 Low Low S Superfloc A-1882 Low High S S Superfloc A-1849 RS Low High S S Superfloc 4812 RS Low High S Superfloc 4814 RS Low Very High S Superfloc A-4325 Medium Very High S Superfloc 4916 Medium High S S S Superfloc A-1883 RS Medium High S S S Superfloc A-1820 Medium High S S Superfloc A-4330 Medium High S Superfloc 4816 RS Medium Very High S S Superfloc A-1204 Medium High S S Superfloc 5300 Medium High S Superfloc A-1885 RSP Medium High S S Superfloc 4818 RS High Very High S Superfloc 4842 RS High High S

6 Our products are designed to lower your treatment costs We offer a range of liquid organic cationic coagulants. Our polyamines often replace or reduce the use of inorganic coagulants for turbidity reduction in process or wastewater streams. Poly diallydimethyl ammonium chloride (PolyDADMAC) is often used in filtration applications or in conjunction with our flocculant products. PolyDADMAC or cationic polyamines can also be used in combination with our flocculant products to lower overall treatment costs. Our portfolio of coagulants also includes inorganic coagulants in various concentrations in liquid or dry form.

7 Organic Coagulants Polyamines Molecular Weight Superfloc C-572* Low Superfloc C-4007* Low Superfloc C-573 Low Superfloc C-569* Medium Superfloc C-577 Medium Superfloc C-581 High * North American manufacturing only PolyDADMAC Physical State Bulk Viscosity (cps) Superfloc C-587 Liquid Superfloc C-591 Liquid Superfloc C-594 Liquid Superfloc C-592 Liquid Superfloc C-595 Liquid Superfloc WP 5205 Dry Low Inorganic Coagulants Kemira Aluminum Series Aluminum Sulfate Polyaluminum Silica Sulfate Polyaluminum Chloride Aluminum Chlorohydrate Sodium Aluminate Kemira Iron Series Ferric Sulfate Ferrous Sulfate Ferric Chloride Ferrous Chloride Ferric Chloride Sulfate

8 Global reach, local presence Kemira s extensive network of manufacturing and logistics centers around the globe provide cost-effective solutions for many mining applications. No matter where you are in the world, we have a location to serve your needs. Europe Our extensive European network of more than 25 manufacturing sites provides you with numerous options for sourcing our products locally. North America We have over 10 coagulant manufacturing sites in the USA and Mexico. No matter where you are in the region, we have a local site providing the most cost effective solution for your application. South America Kemira has 5 coagulant manufacturing sites in Brazil to serve your needs. Kemira makes this information available as an accommodation to its customers and it is intended to be solely a guide in customers' evaluation of the products. You must test our products to determine if they are suitable for your intended uses and applications, as well as from the health, safety and environmental standpoint. You must also instruct your employees, agents, contractors, customers or any third party which may be exposed to the products about all applicable precautions. All information and technical assistance is given without warranty or guarantee and is subject to change without notice. You assume full liability and responsibility for compliance with all information and precautions, and with all laws, statutes, ordinances and regulations of any governmental authority applicable to the processing, transportation, delivery, unloading, discharge, storage, handling, sale and use of each product. Nothing herein shall be construed as a recommendation to use any product in conflict with patents covering any material or its use. Superfloc is a registered trademark of Kemira Oyj or its subsidiaries. 06/2011 P.O. Box 330 FI Helsinki Finland Tel Fax