Device and method for treating oxidation-state nitrogen wastewater by using combination of iron alloy and anaerobic ammonium oxidation bacteria

An anammox bacteria and anaerobic ammonium oxidation technology, applied in biological treatment devices, chemical instruments and methods, multi-stage water treatment, etc., can solve problems such as difficult process control and difficult control of sewage treatment effect

Active Publication Date: 2020-08-11
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

This patented technology helps remove harmful substances like oxygen or sulfur compounds (S) that can be found naturally at sea level around the world through various methods such as chemical reactions between different materials inside it's chamber called reactors. By adding layers containing these components along its way, this process effectively removes pollutants without causing environmental damage.

Problems solved by technology

The technical problem addressed by this patented method is how to effectively treat wastewater from cities without causing harm or wasting valuable manpower and materials during its purifying processes.

Method used

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  • Device and method for treating oxidation-state nitrogen wastewater by using combination of iron alloy and anaerobic ammonium oxidation bacteria

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] like figure 1 As shown, the structure schematic diagram of the inventive device for treating oxidized nitrogen wastewater with ferroalloy combined with anammox bacteria is given, which consists of a tower body 9, a water inlet tank 1, a dosing tank 2, a supporting layer 3, and a pH meter 6 , water outlet 7 and air outlet 8, the tower body 9 plays the role of enclosure and support, its material can be concrete or steel structure, the tower body is generally cylindrical, and the inside of the tower body 9 is a cavity. The wastewater in the water inlet tank 1 is pumped to the bottom of the inner cavity of the tower body 9, and the lye (sodium bicarbonate solution) is stored in the dosing tank 2, and the lye in the dosing tank 2 is pumped to the tower by the medicine pump. Body 9, to adjust the pH of the waste water in the tower body 9. The water outl

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Abstract

The invention provides a device and method for treating oxidation-state nitrogen wastewater by using a combination of iron alloy and anaerobic ammonium oxidation bacteria. The device comprises a towerbody, a water inlet tank, a dosing tank, a water outlet and a gas outlet, wherein a plurality of wastewater treatment layers are arranged in an inner cavity of the tower body, and each wastewater treatment layer is composed of a supporting layer, an iron alloy filler layer and an anaerobic ammonia oxidation sludge granular layer. The wastewater treatment method comprises the following steps: a) feeding and distributing water; b) carrying out a reduction reaction on oxidation-state nitrogen; c) carrying out anaerobic ammonia oxidation; d) adjusting a pH value; e) conducting reactions a plurality of times. According to the device and the method for treating oxidation-state nitrogen wastewater in the invention, the iron alloy fillers reduce a part of oxidation-state nitrogen into ammonia, then the ammonia enters the anaerobic ammonia oxidation sludge particle layers, ammonia and nitrite ions are converted into nitrogen together through anaerobic ammonia oxidation bacteria; and complete removal of oxidation-state nitrogen in the sewage is guaranteed by arranging the multiple layers of the iron alloy fillers and the multiple anaerobic ammonia oxidation sludge particle layers.

Description

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Claims

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Application Information

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Owner BEIJING UNIV OF TECH
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