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A low-concentration viscose fiber wastewater and waste gas treatment system

A viscose fiber and waste gas treatment technology, which is applied in gas treatment, water/sewage treatment, water/sludge/sewage treatment, etc., can solve problems such as poor effect and complex composition of low-concentration waste gas, so as to prolong the reaction time, Effect of improving exhaust gas removal efficiency and pollutant removal rate, and reducing explosion risk

Active Publication Date: 2020-05-22
恩宜瑞(江苏)环境发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention aims at the problem that the low-concentration waste gas produced in the viscose wastewater treatment process has a complex composition (including carbon disulfide, hydrogen sulfide and volatile organic compounds, etc.), and the effect of a single treatment technology is not good, and fully utilizes the advantages of plasma deodorization technology and biological deodorization technology characteristics and considering the flammable and explosive characteristics of carbon disulfide, a viscose fiber wastewater and waste gas treatment system with no secondary pollution, low investment cost and safe and reliable operation is proposed

Method used

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  • A low-concentration viscose fiber wastewater and waste gas treatment system
  • A low-concentration viscose fiber wastewater and waste gas treatment system
  • A low-concentration viscose fiber wastewater and waste gas treatment system

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Embodiment 1

[0038] like figure 1 As shown, a low-concentration viscose fiber wastewater and waste gas treatment system is composed of a plasma deodorization device 1 and a biological deodorization device 2 connected in series. The plasma deodorization device 1 includes a plasma generation chamber 12 provided with a plasma tube assembly 11. Have the plasma reaction chamber 15 of air inlet 13 and air outlet 14, as figure 1 As shown, the air inlet 13 is provided with an activated carbon electrostatic adsorption filter 131. Compared with a simple activated carbon filter, the activated carbon electrostatic adsorption filter 131 can absorb and intercept tiny dust in the airflow, effectively reducing the dust in the plasma reaction chamber 15. concentration, thereby reducing the risk of explosion. like figure 1 As shown, the plasma reaction chamber 15 is staggered with partition plates 151, and a plurality of disturbance small fans 152 are arranged on both sides of the partition plate 151, and...

Embodiment 2

[0049] This embodiment is basically the same as Embodiment 1, except that the biological filler in the biological filler layer in this embodiment includes: 8% soft magnetic powder, 6% titanate coupling agent, 6% S- Carboxyethylisothiourea betaine, 4% zinc carbonate, 1.5% dispersant, the balance is PP pellets. The titanate coupling agent can significantly improve the dispersibility of the soft magnetic powder and enhance its affinity. The soft magnetic powder is made of ferric oxide or ferric oxide with a particle size of 100-200nm, which can promote microbial activity, thereby Obtain better purification and deodorization effects; S-carboxyethylisothiourea betaine and zinc carbonate can be used as a combined catalyst to assist microorganisms in decomposing odorous gases such as carbon disulfide; polyethylene wax can be selected as the dispersant.

[0050] The preparation method of described biological filler comprises the following steps:

[0051]1) Using an aqueous solution o...

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Abstract

The invention discloses a low-concentration viscose wastewater and waste gas treatment system and belongs to the technical field of waste gas treatment. aiming at solving the problems that a single treatment technique is poor in effect, carbon disulfide is liable to combust and explode, and the like since a low-concentration waste gas which is generated in a viscose wastewater treatment process iscomplex in constitution (within carbon disulfide, hydrogen sulfide, volatile organic compounds and the like), the invention provides a novel treatment system which consists of plasma deodorization equipment and biological deodorization equipment in serial connection. A waste gas is fed into the plasma deodorization equipment, and a plasma generation chamber and a plasma reaction chamber are indirectly connected through a butt joint component, so that the problem that explosion is caused as a plasma pipeline group is in direct contact with flammable and combustible waste gases such as the carbon disulfide can be avoided; meanwhile, pollutants such as the carbon disulfide can be rapidly degraded and are fed into a biological deodorization system for secondary removal, so that the pollutantremoval efficiency, the removal rate and the operation security can be greatly improved; and in addition, the system has the advantages of being low in investment cost, free of secondary pollution, and the like.

Description

technical field [0001] The invention belongs to the technical field of waste gas treatment, and in particular relates to a low-concentration viscose fiber waste water and waste gas treatment system. Background technique [0002] Viscose fiber is a cellulose product obtained after a series of treatment processes such as alkalization of natural cellulose, cellulose xanthate formed by the action of carbon disulfide, dissolution in dilute lye, and wet spinning. It is smooth, cool, breathable, Antistatic, anti-ultraviolet, bright colors, good color fastness and other characteristics, occupy an important position in the chemical fiber industry. In recent years, the scale of viscose fiber production in my country has continued to expand, bringing huge economic benefits to the society, but there are still resource and environmental problems, among which high suspended solids, high chroma, high COD and BOD, high zinc produced in the production process Wastewater is the most prominent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/32B01D53/84B01D53/75B01D46/10B01D53/86B01D53/48C02F1/00
CPCB01D46/10B01D53/32B01D53/75B01D53/84B01D53/8603B01D2251/95B01D2257/30B01D2257/304B01D2257/708B01D2259/818C02F1/00Y02A50/20
Inventor 吕路李莹雪陆兴峰黄前霖余泽浩徐敬生
Owner 恩宜瑞(江苏)环境发展有限公司
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