polyferric sulfate(PFS) is a viscous liquid or solid that produces a variety of polymeric ions after dissolving, and has the functions of rapid miscibility, neutralization of charge, hydrolysis bridging, coagulation and precipitation, and adsorption, so that water can be quickly clarified, especially for Industrial wastewater and domestic sewage treatment are particularly effective.
Compared with other traditional sewage treatment agents, polyferric sulfate has the characteristics of high efficiency, rapidity, strong adaptability, less dosage, large molecular structure and strong adsorption capacity. Compared with polyaluminum chloride, it does not have aluminum ions, so it is more widely used and safe, and is very popular.
Advantages of Anaerobic Digestion:
The advantage of anaerobic digestion is that the organic matter is digested to produce energy, and the residue can be used as fertilizer. Anaerobic digestion began to be used for waste treatment, and now anaerobic digestion has been used in many fields, such as industrial wastewater treatment, municipal waste treatment and development of potential energy, as fuel and power, and large-scale anaerobic digestion has been established factory.
The reaction subdivision of polyferric sulfate has the following three stages:
1. Hydrolysis stage: Under the action of hydrolysis and fermentation bacteria, macromolecular substances such as carbohydrates, proteins and fats are hydrolyzed and fermented into small molecular substances such as monosaccharides, amino acids, fatty acids, glycerol and carbon dioxide, etc., and solid substances are hydrolyzed into soluble substances. substance.
2. Acidification stage: Under the action of hydrogen-producing acetogenic bacteria, the products of the first stage are converted into hydrogen, carbon dioxide and acetic acid.
3. Methanogenic Auxiliary Section: Through the action of two groups of physiologically different alkane-producing bacteria, the hydrogen and carbon dioxide are converted into methane.
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