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Hydrogen sulfide gas source collaborated sludge bioleaching reactor

A bioleaching and hydrogen sulfide technology, applied in the field of environmental pollution control, can solve the problems of difficult collection and resource utilization of sewage plant odor, unstable biomass of bacterial flora, etc.

Active Publication Date: 2020-03-24
山西中科云岭生态环境科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a hydrogen sulfide gas source to cooperate with the sludge bioleaching reaction in order to solve the problems of the unstable biomass of the bacteria group in the existing sludge bioleaching reactor, and the difficulty in collecting and reusing the odor of the sewage plant. device

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  • Hydrogen sulfide gas source collaborated sludge bioleaching reactor
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Effect test

Embodiment 1

[0065] A hydrogen sulfide gas source synergistic sludge bioleaching reactor includes the following parts: odor collection system, gas selective enrichment device, gas storage tank, hydrogen sulfide pre-dissolution conversion zone, aeration system, reaction tank, and reaction raw material dosing system, constant temperature control system;

[0066] The odor collection system is composed of a gas collection hood, a gas delivery pipe, and a fan Q1. The gas collection hood is set above the water inlet between the grills or the sludge concentration tank in the sewage treatment plant to collect the water inlet between the grills or the sludge concentration One end of the gas delivery pipe communicates with the gas collection hood, and the other end of the gas delivery pipe communicates with the gas selection enricher. The fan Q1 is set on the gas delivery pipe and pumps the odor into the gas selection enricher through the air delivery pipe. , the concentration of hydrogen sulfide in...

Embodiment 2

[0110] A hydrogen sulfide gas source synergistic sludge bioleaching reactor includes the following parts: odor collection system, gas selective enrichment device, gas storage tank, hydrogen sulfide pre-dissolution conversion zone, aeration system, reaction tank, and reaction raw material dosing system, constant temperature control system;

[0111] The odor collection system is composed of a gas collection hood, a gas delivery pipe, and a fan Q1. The gas collection hood is set above the water inlet between the grills or the sludge concentration tank in the sewage treatment plant to collect the water inlet between the grills or the sludge concentration One end of the gas delivery pipe communicates with the gas collection hood, and the other end of the gas delivery pipe communicates with the gas selection enricher. The fan Q1 is set on the gas delivery pipe and pumps the odor into the gas selection enricher through the air delivery pipe. , the concentration of hydrogen sulfide in...

Embodiment 3

[0155] A hydrogen sulfide gas source synergistic sludge bioleaching reactor includes the following parts: odor collection system, gas selective enrichment device, gas storage tank, hydrogen sulfide pre-dissolution conversion zone, aeration system, reaction tank, and reaction raw material dosing system, constant temperature control system;

[0156] The odor collection system is composed of a gas collection hood, a gas delivery pipe, and a fan Q1. The gas collection hood is set above the water inlet between the grills or the sludge concentration tank in the sewage treatment plant to collect the water inlet between the grills or the sludge concentration One end of the gas delivery pipe communicates with the gas collection hood, and the other end of the gas delivery pipe communicates with the gas selection enricher. The fan Q1 is set on the gas delivery pipe and pumps the odor into the gas selection enricher through the air delivery pipe. , the concentration of hydrogen sulfide in...

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Abstract

Belonging to the technical field of environmental pollution treatment, the invention particularly relates to a hydrogen sulfide gas source collaborated sludge bioleaching reactor, and aims to solve the problems of unstable flora biomass, difficult collection and resource utilization of sewage treatment plant odor and the like in the traditional sludge bioleaching operation process. The sludge bioleaching reactor provided by the invention is equipped with a flora activity stabilizing module, on the one hand, the biomass of dominant thiobacillus is increased, and on the other hand, the flora activity and the capability of resisting reaction environment fluctuation are improved. For collection and resource utilization of sewage treatment plant odor, a gas enricher, a hydrogen sulfide pre-dissolving conversion area and other process links are arranged, and a hydrogen sulfide gas source is used as a nutrient matrix in the sludge bioleaching reaction process. The sludge bioleaching reactor realizes sludge heavy metal treatment, sewage plant odor treatment and replacement of a sludge leaching nutrient medium with hydrogen sulfide at the same time, is novel sludge treatment equipment, alsois novel sewage plant odor treatment equipment, and has good market application and popularization value.

Description

technical field [0001] The invention belongs to the technical field of environmental pollution control, and in particular relates to a hydrogen sulfide gas source synergistic sludge bioleaching reactor. Background technique [0002] Sludge bioleaching technology is an important method to control heavy metal pollution in sludge. It utilizes the biochemical metabolism of the dominant bacteria group of Thiobacillus and some heterotrophic bacteria to transform the heavy metals in the sludge into easily soluble states such as exchange states, and finally dissolve them. remove. It has the advantages of wide applicability, strong heavy metal removal ability, and relatively mild reaction process. [0003] Odor is a major pollutant that has plagued sewage treatment plants for many years, and gases such as hydrogen sulfide are the main components of the odor. When hydrogen sulfide reacts with water, sludge, and oxidants, it can be used as a nutrient by the Thiobacillus dominant bact...

Claims

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Application Information

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IPC IPC(8): B01D53/75B01D53/82B01D53/84B01D53/52B01D53/48
CPCB01D53/75B01D53/82B01D53/84B01D53/52B01D53/48B01D2251/95B01D2257/306Y02A50/20
Inventor 李超张弛杨志宏袁进惠晓梅王东琴
Owner 山西中科云岭生态环境科技有限公司
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