Sectional type gasification and detoxification system and method for high-concentration organic salt-containing waste liquid

A salt-containing waste liquid, high-concentration technology, applied in the field of waste resource utilization, can solve the problems of small secondary pollution, large secondary hazardous waste, and high detoxification rate, and achieve the effect of reducing treatment costs.
CN107324431AActive Publication Date: 2017-11-07JIANGSU PROVINCIAL ACAD OF ENVIRONMENTAL SCI
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
JIANGSU PROVINCIAL ACAD OF ENVIRONMENTAL SCI
Publication Date
2017-11-07

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Abstract

The invention discloses a sectional type gasification and detoxification system for high-concentration organic salt-containing waste liquid, belonging to the technical field of waste recycling. The sectional type gasification and detoxification system comprises a drum type spray preconcentrator and a disk gasifying machine, wherein an inner drum of the drum type spray preconcentrator and a disk of the disk gasifying machine respectively has a hollow structure, and waste liquid is preconcentrated to form salt slag and enter the disk gasifying machine for gasification and detoxification, thus finally forming crystalized salt product. The invention further discloses a sectional type gasification and detoxification method of high-concentration organic salt-containing waste liquid. The system and the method utilizes an organic matter high-temperature (350-560DEG C) principle, the thorough separation of organic matters from salts in the high-concentration organic salt-containing waste liquid in the drum type spray preconcentrator and disk gasifying machine under inert atmosphere, the formed crystalized salt can be used as industrial salt raw materials, and organic vapor is returned back to incinerator for incineration; and the sectional type gasification and detoxification system can be embedded into a dangerous waste incineration system, so that the treatment cost of the high-concentration organic salt-containing waste liquid can be effectively lowered, and the problem that the crystalized salt is stained with pollutant in smoke can be avoided.
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Description

technical field

[0001] The invention belongs to the technical field of waste resource utilization, and in particular relates to a segmented gasification detoxification system and method for high-concentration organic salt-containing waste liquid. Background technique

[0002] High-concentration organic salt-containing waste liquid generally refers to waste liquid with COD>100,000mg / L and salt content>10,000mg / L, which is generally produced in the wastewater evaporation concentration and membrane separation sections of fine chemical industries such as pesticides and pharmaceuticals. Refractory organic industrial waste liquid.

[0003] Aiming at the high salt content and poor biodegradability of high-concentration organic saline waste liquid, many scholars at home and abroad have carried out a lot of exploratory research. The main methods can be divided into membrane separation method, adsorption method, chemical oxidation method and heat treatment method. Among them, ...

Claims

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