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Inner Mongolia wastewater treatment integrated sewage treatment equipment commonly used bacteria cultivation methods:

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Inner Mongolia wastewater treatment integrated sewage treatment equipment commonly used bacteria cultivation methods:

作者: Release Date: 2019-01-27 Author: Click:

Inner Mongolia wastewater treatment integrated wastewater treatment equipment commonly used bacteria cultivation methods: Most integrated wastewater treatment equipment uses biochemical treatment processes, relying on a large number of microorganisms to decompose organic pollutants in water. The equipment needs to be cultured before it is officially put into use. So what are the methods for cultivating bacteria in integrated equipment? Come and listen to the introduction of Mengyuan Water Engineer.

The most common method of cultivating bacteria is the natural stuffing method. The specific method is to fill the aeration tank of the integrated sewage treatment equipment with sewage, then stop the water intake and start aeration. Aeration without water is called "suffocation." After 2 to 3 days of suffocation, stop aeration and let it sit for 2 hours before entering some fresh sewage. In the future, the three processes of suffocation, stillness and water inflow are performed cyclically, but the amount of water in each time should be increased from the last time, and the time of each time should be shorter than the last time, that is, the number of water inflows is increased. With this method, the suffocation can be stopped after about 20 days (the time is appropriately lengthened when the temperature is low), continuous water inflow and continuous aeration, and the equipment can be directly operated automatically.

Another method of cultivating bacteria is the concentrated activated sludge inoculation culture method. Concentrated sludge from a sewage treatment plant is used for culture (seed sludge or seed sludge) for cultivation. Seed sludge can be directly added to the wastewater to be treated for continuous aeration, and the sewage can be continuously fed into the sewage when the sludge turns brown-yellow (the amount of water should be gradually increased) to allow the sludge to circulate in the system. The amount of sewage sludge in Inner Mongolia should not be too much. In general, it is sufficient to control the concentration of the mixed liquid sludge to reach 0.5 g / L after dilution.

In addition, inoculation of dry sludge has also been used in integrated sewage treatment equipment. "Dry sludge" usually refers to a mud cake that has been dewatered by a sludge filter press, and has a moisture content of about 70 to 80%. Step 1: Inoculate the sludge with fresh mud cakes that have just been dehydrated. Before adding them to the aeration tank, add a small amount of water and mash them. The second step of wastewater treatment in Inner Mongolia: the dry sludge mashed into the slurry is added to the "aerobic pond aeration tank" of the equipment, and the amount of dry sludge is generally 2 to 5% of the volume of the tank. The third step: turn on the fan for aeration, stop the aeration for 24 hours and 1 hour (it can also be continuous aeration), and the sewage can be continuously fed until the sludge turns brown.

Natural suffocation: Fill the aeration tank of the integrated sewage treatment equipment with sewage, then stop the water supply and start aeration. Aeration without water is called "suffocation." After 2 to 3 days of suffocation, stop aeration, let it sit for 2 hours, and then enter part of the fresh sewage. This part of the sewage can account for about 1/5 of the tank capacity. In the future, the three processes of suffocation, stillness and water inflow are performed cyclically, but the amount of water in each time should be increased from the last time, and the time of each time should be shorter than the last time, that is, the number of water inflows is increased. With this method, the suffocation can be stopped after about 20 days (the time is appropriately lengthened when the temperature is low), continuous water inflow and continuous aeration, and the equipment can be directly operated automatically.

Concentrated activated sludge inoculation culture method: The concentrated sludge of a nearby sewage treatment plant is used as a strain (seed sludge or seed sludge) for cultivation. The activated sludge culture of urban sewage and industrial wastewater treatment system with complete nutrition and low toxicity can be directly added to the waste water to be treated for continuous aeration, and the sewage can be continuously fed into the sewage when the sludge turns brown-yellow. It should be gradually increased). At this time, the sedimentation tank is also put into operation to allow the sludge to circulate in the system. From an economic point of view, the amount of seed sludge should be as small as possible. Generally, the diluted sludge concentration should be controlled above 0.5g / L after dilution. The dosage of concentrated sludge is generally 10-20% of the volume of the tank

Dry sludge inoculation culture method: Dry sludge inoculation culture. "Dry sludge" Inner Mongolia wastewater treatment generally refers to mud cakes that have been dewatered by a sludge filter press, and whose moisture content is about 70 to 80%. Fresh sludge cakes that have just been dehydrated must be used for inoculation of sludge. A small amount of water must be added to the sludge before adding it to the aeration tank. The second step: the dry sludge mashed into the mud is added to the "aerobic pond aeration tank" of the equipment. The amount of dry sludge in Inner Mongolia wastewater treatment is generally 2 to 5% of the volume of the tank. The third step: turn on the fan for aeration, stop aeration for 24 hours and 1 hour (can also be continuous aeration), until the sludge turns brown yellow, you can continuously enter the sewage (the amount of water should be gradually increased). Note: If the sludge in the aerobic aeration tank of the integrated sewage treatment equipment has been cultivated, but there is still no waste water entering, intermittent aeration should be entered (prolong the aeration interval and reduce the aeration amount) to reduce as much as possible The rate at which the sludge oxidizes itself. When conditions permit, you should invest in dung and non-toxic organic nutrients.

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Keywords: Inner Mongolia Wastewater Treatment Company , How much is Inner Mongolia Wastewater Treatment , Inner Mongolia Wastewater Treatment Equipment

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