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Device and method for realizing shortcut nitrification of sludge digestive fluid by continuous flow suspended carrier

A technology of sludge digestion liquid and suspended filler, which is applied in the direction of aerobic and anaerobic process treatment, etc.

Active Publication Date: 2008-08-27
BEIJING DRAINAGE GRP CO LTD
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  • Description
  • Claims
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Problems solved by technology

High NH 4 + Stable and efficient short-range biological denitrification of -N sludge digestate is a recognized problem in biological denitrification of sewage, especially the realization of short-range biological denitrification of sludge digestate in a continuous flow suspension packing reactor has not been reported

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  • Device and method for realizing shortcut nitrification of sludge digestive fluid by continuous flow suspended carrier

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Embodiment Construction

[0031] The present invention will be further described below in conjunction with accompanying drawing and embodiment: As shown in Figure 1, the device that continuous flow suspended packing realizes the short-range nitrification of sludge digestion liquid is provided with raw water tank 1, denitrification filter column 2, suspended packing reactor 3 , secondary settling tank 4, water outlet tank 5, described raw water tank is an opening casing, is provided with overflow pipe 1.1 and drainpipe 1.2; The denitrification filter column is a cylindrical tubular body, and sampling valve 2.0 is arranged from bottom to top, The denitrification filter column is filled with cubic suspended sponge packing 2.1, the specification of which is 15×15×15mm, and the specific surface area is 300m 2 / m 3 , the dosing ratio of the filler is about 40%. A three-phase separator 2.2 is arranged at the upper end of the denitrification filter column, and is communicated with a lye bottle 2.6 through a ga...

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Abstract

The invention discloses a device and a method for realizing sludge digestion fluid short-cut nitrification of continuous flow suspending media. The device is provided with a raw water tank, a denitrification filtering column, a suspending media reactor, a secondary basin and a water outlet tank, wherein the raw water tank is an open casing, the denitrification filtering column is a cylindrical tube, cubic suspending sponge filling materials are filled in the denitrification filtering column, the suspending media reactor is an open basin body with inner cavity divided into a plurality of grid chambers, cubic suspending sponge filling materials are filled in the grid chambers, further the suspending media reactor is equipped with a gas pump, a gas flow meter and an aerated conduit, the secondary basin is a column, and the water outlet tank is a open casing. The method for realizing sludge digestion fluid short-cut nitrification comprises starting the system and adjusting operation in running. The device and the method can save a large amount of denitrification carbon sources, increase denitrogenation efficiency of sewage disposal plants, and achieve the purpose of saving energy and lowering energy consumption.

Description

technical field [0001] The invention relates to a method for realizing and controlling the short-range nitrification of sludge nitrification liquid in a continuous-flow suspended packing reactor, which belongs to the technical field of biochemical sewage biological treatment, and is suitable for sludge digestion liquid of urban sewage treatment plants and other such as aquaculture wastewater, Monosodium glutamate wastewater, coking wastewater and other high ammonia nitrogen organic industrial wastewater treatment. Background technique [0002] Due to the continuous aggravation of eutrophication in my country's water bodies, the discharge standards of urban sewage plants have been continuously improved. At the same time, due to the shortage of fresh water resources, it is the trend of the times to use sewage after advanced treatment as reclaimed water. A large amount of excess sludge and primary sludge produced in the sewage treatment process are usually anaerobically treate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/30
Inventor 张树军王洪臣周军赵颖郝二成甘一萍马富国赵珊彭永臻侯昕瑶
Owner BEIJING DRAINAGE GRP CO LTD
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