- cloud123
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Sewage treatment:
According to different levels, sewage sludge sewage treatment can be divided into secondary and tertiary treatment,. Primary treatment basically is in a suspension of solid waste, mainly by the interception and settlement, oil physical method. Second is the main task for the treatment of wastewater is greatly removed the colloid and dissolved organic pollutants, use the method of activated sludge, the biological treatment membrane. 3 processing and depth, its purpose is to remove the suspended, inorganic wastewater and other pollutants, the commonly used method is mainly physical and chemical methods, such as the technology adsorption, ion exchange and coagulation precipitate, oxidation, etc.
Urban sewage by grid, a leaking (tank), remove the suspended and gravel, large and aeration biological treatment into second leaking (second pond) spate separation, separated from the sludge sedimentation of back into aeration, another part of the concentration, the digestion and dehydration after the comprehensive utilization of shipped, 2 the leaking water via chlorination pool after disinfection in-depth processing or discharge.
Water treatment:
The basic principle of water -- > add alum, settling -- > > -- -- - and chlorine
First choose suitable water pipes and pipe, use water pump and pump (1) and before the pump to kill alga, chlorination plants and shellfish. Through the level of water pump to plant processing system. After mixing (usually in source water addition of suitable amount of aluminium, commonly known as "), precipitation, filtration, disinfection process, each process with the corresponding structures (such as filters, QingShuiChi leaking, etc), after disinfection is generally chlorination and ammonia, putting the disinfectant QingShuiChi, and by the water in the pool for an hour or so, the water qualified secondary pump water pump (by) pressure to urban network for drinking and production.
- Chen
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Sewage Treatment:
Varying degrees by the sewage treatment, sewage treatment can be divided into the primary treatment, secondary treatment and tertiary treatment. Primary treatment is removal of sewage was suspended in the solid-like pollutants, mainly retention of settlement, grease and other physical methods. The main task of secondary treatment is the removal of sewage was a significant colloidal and dissolved organic pollutants, the use of activated sludge, biofilm, such as biological treatment. Tertiary treatment is also called the depth of processing, the aim is to further remove suspended solids in sewage, inorganic salts and other pollutants, is commonly used method of physical chemistry and chemical technology methods,
Such as adsorption, ion exchange, flocculation and precipitation, oxidation, etc..
Urban sewage grille, a sedimentation tank (primary sedimentation tank), to remove large suspended solids and gravel, and then into the aeration tanks for biological treatment, secondary sedimentation tank into the (secondary sedimentation tank) for water separation, sedimentation isolated part of the sludge back to the aeration tank, the other part by the concentration, digestion, utilization out after dehydration; second sedimentation tank pool of water disinfection by chlorination before discharge or depth of processing.
Water treatment:
The basic principles of: raw water - → plus alum - → Precipitation - → filter - → plus chlorine
First of all, to select a suitable water source water and water intake, with a pumping station and pipeline (water pumping station) and a pumping station in the pre-chlorination to kill algae, shellfish, plants and animals. Through a water pumping station will be sent to the factory processing system. Usually mixed (in the water in the water by adding an appropriate amount of aluminum chloride, commonly known as alum) reaction, sedimentation, filtration, disinfection and other treatment processes, each process with the corresponding structures (such as sedimentation tanks, filter, money pools, etc.), filter After disinfection and chlorination are generally ammonia, adding a water disinfectant by-money pool, and stay in the pool for an hour or so of drinking water has become qualified,
After two pumping stations (water pumping station) in the pressure transmitted to thecity pipe networkfor the production of drinking and the use of life.