[Soda ash knowledge] Daily question (141) 2010.3.2

Commonly used sedimentation aids include natural plants and polymer compounds. Natural plants use the bridging adsorption effect of long chains of starch molecules. After causticization by NaOH aqueous solution, the main component - starch molecules swell to form a loose network structure with a large surface area, strong adsorption capacity and large adsorption capacity. By using the bridging effect, CaCO3, MgCO3 and other impurities that have become small particles are condensed into large particles, which can be precipitated and separated quickly. Polymer compounds such as sodium polyacrylate, polyacrylamide, etc. use the carboxyl groups on the polymer chain to repulse electrostatically, so that the surrounding polymer promotes the exposure of functional groups with adsorption properties to the surface. These active points adsorb suspended particles in the solution, forming bridges between particles, thus accelerating the sedimentation of suspended particles.

Commonly used sedimentation aids include natural plants and polymer compounds. Natural plants use the bridging adsorption effect of long chains of starch molecules. After causticization by NaOH aqueous solution, the main component - starch molecules swell to form a loose network structure with a large surface area, strong adsorption capacity and large adsorption capacity. By using the bridging effect, CaCO3, MgCO3 and other impurities that have become small particles are condensed into large particles, which can be precipitated and separated quickly. Polymer compounds such as sodium polyacrylate, polyacrylamide, etc. use the carboxyl groups on the polymer chain to repulse electrostatically, so that the surrounding polymer promotes the exposure of functional groups with adsorption properties to the surface. These active points adsorb suspended particles in the solution, forming bridges between particles, thus accelerating the sedimentation of suspended particles. 1# steinback

Commonly used sedimentation aids include natural plants and polymer compounds. Natural plants use the bridging adsorption effect of long chains of starch molecules. After causticization by NaOH aqueous solution, the main component - starch molecules swell to form a loose network structure with a large surface area, strong adsorption capacity and large adsorption capacity. By using the bridging effect, CaCO3, MgCO3 and other impurities that have become small particles are condensed into large particles, which can be precipitated and separated quickly. Polymer compounds such as sodium polyacrylate, polyacrylamide, etc. use the carboxyl groups on the polymer chain to repulse electrostatically, so that the surrounding polymer promotes the exposure of functional groups with adsorption properties to the surface. These active points adsorb suspended particles in the solution, forming bridges between particles, thus accelerating the sedimentation of suspended particles.

There are two types of commonly used coagulants:: 1) Coagulants that adjust or improve coagulation conditions include alkaline substances such as Na2CO3, Na(OH)2, NaHCO3, Ca(OH)2, etc., which can increase the PH value of water. 2) Polymer coagulants that improve the flocculation structure include polyacrylamide, bone glue, sodium alginate, active silicic acid, etc. 1# steinback

Commonly used sedimentation aids include natural plants and polymer compounds. Natural plants use the bridging adsorption of long chains of starch molecules. After causticization with NAOH aqueous solution, the main component - starch molecules - swells and forms a loose network structure with a large surface area, strong adsorption capacity and large adsorption capacity. By utilizing the bridging effect, impurity condensates such as CACO3 and MGCO3 that have become small particles are turned into large particles, which can be precipitated and separated quickly. And polymer compounds such as

Commonly used sedimentation aids include natural plants and polymer compounds. Natural plants use the long-chain bridging effect of starch molecules to condense CaCO3, MgCO3 and other impurities that have become small particles into large particles, allowing for faster precipitation and separation. Polymer compounds use the electrostatic repulsion of carboxyl groups on the polymer chain to cause the surrounding polymer to expose functional groups with adsorption properties to the surface, thereby adsorbing suspended particles in the solution, forming bridges between particles, and accelerating the sedimentation of suspended particles.

Commonly used sedimentation aids include natural plants and polymer compounds. The principle is too long and will be omitted. . . . . .

answer: Commonly used sedimentation aids include natural plants and polymer compounds. Natural plants use the bridging adsorption effect of long chains of starch molecules. After causticization by NAOH aqueous solution, its main component, starch molecules, swells and forms a loose network structure. Its surface area is large, and it has strong adsorption capacity and large adsorption capacity. By using the bridging effect, impurities such as CACO3 and MGCO3 that have become small particles are condensed into large particles, which can be settled and separated quickly. Polymer compounds such as sodium polyacrylate and polyacrylamide use the electrostatic dissociation of hydroxyl groups on the polymer chain to cause the surrounding polymer to expose functional groups with adsorption properties to the surface. These active points absorb suspended particles in the solution, forming bridges between particles, thus accelerating the sedimentation of suspended particles.

Commonly used sedimentation aids include natural plants and polymer compounds. Natural plants use the bridging adsorption effect of long chains of starch molecules. After causticization by NaOH aqueous solution, the main component - starch molecules swell to form a loose network structure with a large surface area, strong adsorption capacity and large adsorption capacity. By using the bridge function, CaCO3, MgCO3 and other impurities that have become small particles are condensed into large particles, which can be precipitated and separated quickly. Polymer compounds such as sodium polyacrylate, polyacrylamide, etc. use the electrostatic repulsion of carboxyl groups on the polymer chain to cause the surrounding polymer to expose functional groups with adsorption properties to the surface. These active points adsorb suspended particles in the solution, forming bridges between particles, thereby accelerating the sedimentation of suspended particles.

Commonly used aging aids include natural plants and polymer compounds. Natural plants use the bridging adsorption effect of long chains of starch molecules. After causticization with NaOH aqueous solution, the main component - starch molecules expand to form a loose network structure with a large surface area, strong adsorption capacity and large adsorption capacity. By utilizing the bridging effect, impurities such as calcium carbonate and magnesium carbonate that have become small particles are condensed into large particles and can be separated quickly. Polymer compounds such as sodium polyacrylate, polyacrylamide, etc. use the electrostatic repulsion of the carboxyl groups on the polymer chain to cause the surrounding polymer to expose functional groups with adsorption properties to the surface. These active points adsorb suspended particles in the solution, forming bridges between particles, thereby accelerating the sedimentation of suspended particles.