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Pre-treatment method for eliminating or reducing siloxane and color material in biogas

A pretreatment and siloxane technology, applied in biological sludge treatment, sludge treatment, chemical instruments and methods, etc., to achieve intelligent analysis and control, expand technical advantages and market acceptability, and reduce biogas purification treatment cost effect

Active Publication Date: 2013-06-26
国翔航天环保科技(集团)有限公司
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  • Abstract
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Problems solved by technology

[0005] In addition, some chromatic substances can also damage the pipeline system and increase the use and maintenance costs of the biogas system, similar to siloxane, so in production and utilization sometimes need to remove

Method used

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  • Pre-treatment method for eliminating or reducing siloxane and color material in biogas
  • Pre-treatment method for eliminating or reducing siloxane and color material in biogas

Examples

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Embodiment 1

[0024] Example 2:

Embodiment 2

[0026] Example 3:

Embodiment 3

[0028] Example 4:

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Abstract

The invention relates to the technical field of sewage treatment, in particular to a pre-treatment method for eliminating or reducing siloxane and color materials in biogas. The method comprises the following steps: firstly making sludge enter into a concentration regulation pool; adjusting the concentration of the sludge; dividing the adjusted sludge into two portions, wherein one portion of the sludge directly enters into an anaerobic digestion tank and the other portion of the sludge is pre-treated firstly and then enters into the anaerobic digestion tank to perform anaerobic digestion reaction in the anaerobic digestion tank; making the produced biogas enter into a biogas storage tank, desilicating the biogas, and finally removing the siloxane in the biogas and making the biogas enter into a biogas utilization device. By adopting the technical scheme, the siloxane and color materials in the biogas are eliminated or reduced, the biogas utilization device is protected, the biogas purification treatment cost and the maintenance cost of the biogas utilization device are reduced; the intelligent analysis and control are realized, and the technical advantage and market acceptability of the sludge anaerobic digestion process technology are expanded.

Description

technical field [0001] The invention relates to the field of sewage treatment, and relates to a method for pretreating sludge partially or completely by physical or chemical methods to effectively reduce the concentration pretreatment of siloxane and chromatic substances in biogas produced by anaerobic digestion of sludge . [0002] Background technique [0003] Anaerobic digestion is a common form of sludge treatment in production practice, and one of its products is renewable energy biogas, whose main components are methane and carbon dioxide, in addition to carbon monoxide, hydrogen, ammonia, oxygen, siloxane and various Chromatic matter. Chromatic substances include alcohols, alkanes, fats, benzene, phenols, acids and other substances. Siloxane is an important part of the alkanes, and it is the most important alkanes in terms of its influence on the quality of biogas, because silicon When oxane is burned, silicon dioxide crystals will be formed. Silicon dioxide cryst...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/00C02F11/04
CPCY02E50/30
Inventor 杨顺生
Owner 国翔航天环保科技(集团)有限公司
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