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Flocculant

Flocculant

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Catalyst and Auxiliary/Water Treatment Chemicals

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Flocculant
Product description: Product Features The anionic polyacrylamide series of products are soluble linear high molecular polymer with a high degree of polymerization, which is easy to dissolved in water and hardly dissolved in the common organic solvents like benzene, ether, lipid, acetone, etc.. It also owns the properties such as flocculence, thickening, shearing, resistance reduction, dispersivity, etc., which makes it widely used in the industries relevant to oil recovery, ore dressing, coal washing, metallurgy, chemical, papermaking, textile, sugar manufacturing, medicine, environmental protection, construction materials, agriculture, etc.. Technical Index Performance Index for Anionic polyacrylamide : (enterprise standard: Q/AJC002-2006) Main Applications Oil displacement agent in the tertiary oil recovery of oilfield: it can adjust the rheological behavior of the injected water, increase the viscosity of the driving liquid, improve driving wave and efficiency, and reduce the water phase permeability in the stratum, which enables the water and oil to smoothly flow forward at a regular speed. It is mainly used in the tertiary oil recovery of oilfield. Each ton of injected polyacrylamide product can increase the oil recovery by 100-150 tons. Drilling mud material: it can be used as the additive to the drilling mud material in oilfield exploration and development, geological prospecting, coal exploration and water conservancy, which can effectively lengthen the service life of drills, increase drilling rate and footage, minimize the occurrence of blockage on changing drill, and prevent well slough. It can also be used as the fracturing fluid for oilfield and plugging agent for profile modification. Industrial waste water treatment: it is especially effective to the treatment of the neutral or alkaline PH sewage containing suspended particles with coarser, thicker and positive charge, such as waste water of iron and steel works, waste water of electroplating factory, waste water of metallurgical factory, waste water of coal washing, etc. with the best effects. Drinking water treatment: most sources of water works in China are rivers, which are relatively turbid due to a high content of sediment and mineral. Despite of the precipitating and filtering treatment, the water is unable to achieve the standard of drinking water, which makes it necessary to add in flocculant. The water works used to adopt inorganic flocculant which is comparatively poor in effect and may cause a larger amount of sludge due to the high dosage of it. Using anionic polyacrylamide as the flocculant, the dosage needed is 1/50 of that of inorganic flocculant, but the effectiveness is several times or even dozens of that of inorganic flocculant. For the river water severely polluted by organisms, it is recommended to use with cationic polyacrylamide to achieve a better effect. Papermaking additive: it can be used in papermaking for clarification of caustic soda and used as retention aid, filter aid and strengthening agent for wet-dry strength of paper. It can be used as clarifying agent of syrup in sugar manufacturing. It can be used as additive and binder for aquatic feed. Package and storage: the product is packaged in 25kg paper-plastic complex packaging bag or packaged according to the user’s requirement. The dry powder product is liable to absorb moisture and clot due to long-term exposure, so it shall be kept in shady, cool and ventilated environment. Drilling-liquid-purposed Polyacrylamide Product Overview This product is in white or light yellow powder, non-toxic, non-corrosive and easily soluble, which is mainly used as the selective flocculant for non-dispersed, low-solid, water-based drilling liquid. It also performs well in reducing water loss, improving rheological behavior of drilling liquid and reducing friction. Function and Application 1. Flocculence: can be used to flocculate the drilling cuttings and clay in the drilling liquid. 2. Lubrication: this product can attach to the surface of metal and clay particles and form a liquid film on it, which makes the friction on the solid surface become liquid friction so that it can lubricate the drills, drilling tools, reduce the friction coefficient of mud cake and minimize the occurrence of drilling accidents. 3. Plugging: this product can react with ions like Al3+, Fe3+, Ca2+, etc. through cross-linking, which changes some linear macromolecular compounds into bodily ones that are insoluble and may adsorb to the well wall and plug the gap in the stratum to prevent the leakage loss of the drilling fluid. 4. Fluid loss control: the higher degree of hydrolysis of this product, the more hydration radicals on its molecular chain and the better hydration. In this way it serves as a kind of fluid loss control-agent more than a flocculant. 5. Combined with the clay particles in the drilling fluid, this product can form spatial grid structure which can achieve a good performance of shearing dilution because the available viscosity will decrease as the shearing dilution rate increases.
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