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Electroplating wastewater biochemical treatment device and application thereof

A biochemical treatment device and electroplating wastewater technology, which is applied in metallurgical wastewater treatment, biological water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problems of unstable removal of total nitrogen and low efficiency of nitrogen-containing compounds , to achieve the effect of short commissioning cycle, high bacterial concentration and few operating points

Inactive Publication Date: 2020-11-27
董英良 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Existing methods are effective in removing COD, but are less efficient in removing nitrogen-containing compounds. The general biochemical cycle takes more than five days (120 hours), and the effect of removing total nitrogen is not stable up to the standard

Method used

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  • Electroplating wastewater biochemical treatment device and application thereof
  • Electroplating wastewater biochemical treatment device and application thereof
  • Electroplating wastewater biochemical treatment device and application thereof

Examples

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Embodiment Construction

[0031] In order to better illustrate the purpose, technical solutions and advantages of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0032] An embodiment of the electroplating wastewater biochemical treatment device of the present application, the structural schematic diagram of the biochemical treatment device of this embodiment is as attached figure 1 As shown, it includes raw water tank 1 and biochemical pools 1 to 4. Raw water tank 1 and biochemical pools 1 to 4 are connected by lift pump 2; the outlet of biochemical pool 1 is connected to the entrance of biochemical pool 2, and the outlet of biochemical pool 2 is connected to The inlet of the biochemical pool 3 is connected, and the outlet of the biochemical pool 3 is connected with the entrance of the biochemical pool 4; in the biochemical pools 1 to 4, the film-hanging biochemical is carried out through the biochemic...

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Abstract

The invention discloses an electroplating wastewater biochemical treatment device. The biochemical treatment device comprises a raw water bucket and biochemical pools, and the raw water bucket is connected with the biochemical pools through a lifting pump; the number of the biochemical pools is not less than 4; biofilm culturing biochemistry is conducted in the biochemical pools through biochemical filler, the biochemical filler is composed of a nylon net and chemical fiber cotton, the chemical fiber cotton is fixed to the nylon net through nylon net clamps, and the use amount of the chemicalfiber cotton is 150-500g / m<2>; in the same biochemical pool, the distance between every two adjacent nylon net clamps is 15-25mm, and the distance between every two adjacent mycoderm is 100-200mm; themounting direction of the mycoderm is parallel to the water inlet direction in the biochemical pools, the distance between the top of the mycoderm and the water surface is 100-150mm, and the distancebetween the bottom of the mycoderm and an aeration head of each biochemical pool is 150-100mm; and the distances from the mycoderm to the four side surfaces of the biochemical pools are respectively100-150mm. The invention also discloses application of the biochemical treatment device.

Description

technical field [0001] The invention relates to a wastewater biochemical treatment device, in particular to an electroplating wastewater biochemical treatment device and its application. Background technique [0002] At present, electroplating wastewater treatment generally removes metal ions by physical and chemical methods, then removes COD, ammonia nitrogen, and total nitrogen by biochemical methods, and then removes pollutants such as fluorine and phosphorus by physical and chemical precipitation. Make sewage treatment up to standard. Existing methods are effective in removing COD, but are less efficient in removing nitrogen-containing compounds. Generally, the biochemical cycle takes more than five days (120 hours), and the effect of removing total nitrogen is not stable enough to meet the standard. Contents of the invention [0003] Based on this, the object of the present invention is to provide a biochemical treatment device for high-efficiency denitrification of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/30C02F103/16
CPCC02F3/302C02F2103/16
Inventor 黎立奇董英良周灿辉
Owner 董英良
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