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burberry polo shirts for men, 1 soy sauce brewing wastewater sources and characteristics
Present, China's soy production to the north of the "low-salt solid-state technology," and the South's "high-salt liquid process" based. Ordinary soy sauce production process including raw material processing, starter, fermentation, extraction and so pour the oil and heating the preparation process. Soy sauce, water is a high organic content Food Fermentation wastewater. burberry shirts for girls , The main components of food residues such as chopped bean crumbs, bran, flour, sugar, soy sauce, fermentation residues, secreted by a variety of microbes and microbial enzymes and metabolites, soy sauce, pigment, trace detergents, disinfectants and a little salt, etc. , color high, wastewater treatment has a certain degree of difficulty.

2 soy sauce and difficult waste water treatment
(1) high color. Soy sauce waste pigment is part of the most difficult to remove, soy sauce pigment mainly composed of two parts: First, during the fermentation of soy sauce, sugar and ammonia as reaction (Maillard reaction) to form black; followed by the deployment as artificial added products caramel. The two substances are very complex polymer structure, so far not understand its molecular structure. Which contains a chromophore group consists of the following two or two or more conjugated chromophore substrate. burberry t shirts ,

3 Sauce Wastewater Treatment Technology Colorific these conjugated organic molecules to produce absorption in the visible region, so that water has a color. Experience has shown that Activated Carbon Adsorption, electrolysis and other methods of color removal of such waste water is not ideal, and in the oxygenation process of blowing off a deeper color trends. Removal of the red substance in water is difficult sauce wastewater treatment, so far little achieve a discharge standard of reporting.

(2) high salinity: salt is one of the main raw material for production of soy sauce, soy sauce, soy sauce, water in the wash water tank, filter cloth washing water is salt Sewage , Salt content of 1 ~ 5% (about 10000 ~ 50000mg / L). Although the production of waste water and soy sauce factory, after other common water and mix thoroughly to reduce salt content, but still at a high level of salinity. burberry polo shirts for men , Salinity on physico-chemical treatment processes have little effect, but in contact with corrosive to metal equipment, will shorten the life of the equipment. In addition, the high salinity of the biological treatment process has significant influence. .