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Three bright water treatment 】
Biological contact oxidation process is A cross between the activated sludge process and biological filter membrane technology, its characteristic is packing, are installed in pool bottom aeration oxygenation of sewage and make pool in the sewage flow state, to ensure good contact with sewage and wastewater in the packing, avoid the biological contact oxidation pool sewage contact with filler uneven defects of wastewater by the separation tank in addition to most of the oil slick and the leftover food scraps, enter the regulation pool, after adjusting pool inhomogeneous, average by the pump up to A level of biological pool, period of heterotrophic bacteria in grade A biological pool will hydrolysis of soluble organic matter in water to organic acid, make the macromolecular organic matter is decomposed into small molecule organic compound, insoluble organic matter into soluble organic matter, protein, fat and other contaminants to ammoniation under the condition of sufficient oxygen, nitrification will NH3 - nitrifying bacteria
N oxidation of NO3 -
By circumfluence control returns to A level biology pool, under hypoxic conditions, different bacteria denitrification will NO3 -
Reduction for molecular nitrogen, contact oxidation pool precipitation artesian water into the tank, tank cleaning liquid water into clear water reserviors briefly, the water discharging standard five, sewage treatment equipment processing method in addition, if under certain conditions, or in some control pyrolysis after chemical treatment, residual solid material, such as burning coke can be regarded as adsorbent, it can be used to control the industrial air pollution and removing odor produced by integrated wastewater treatment
equipment of sewage sludge of high temperature pyrolysis process can produce large amounts of gas and oil substances at the same time, high calorific value, can be used as a fuel or chemical raw materials, therefore, need to add a certain amount of material has good microwave absorbing properties of the material (
Such as carbon and some metal oxide)
, achieve high temperature pyrolysis temperature required for microwave pyrolysis of sludge is far lower than the traditional methods of polycyclic aromatic hydrocarbons content, also contain more toluene, styrene, etc. , can be used as the large sewage treatment equipment work system of oil raw materials under low temperature pyrolysis reaction process indicates that low temperature pyrolytic carbon method in Germany and Canada have more research, including Germany began laboratory study is the first reaction process, proved that the technology treatment of sludge from sewage treatment equipment, sewage treatment equipment for the future development has a broad market space
need huge investment, so it is important to shop with caution.
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