A pretreatment device for high-concentration organic wastewater

A pretreatment device, a technology for organic wastewater, applied in water/sewage treatment, water/sewage multi-stage treatment, biological water/sewage treatment, etc., can solve problems such as poor results, avoid excessive temperature, reduce low boiling point The effect of organic matter volatilization to pollute the atmosphere and reduce energy consumption
CN112159037BActive Publication Date: 2021-08-24NANJING UNIV +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NANJING UNIV
Publication Date
2021-08-24

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Abstract

The invention discloses a device for pretreatment of high-concentration organic waste water, comprising a high-pressure feed pump, at least two heat exchangers connected in series, a catalytic pyrolysis reactor, a gas-liquid separator and a secondary condenser. The feed pump transports the organic waste water to the water inlet of the catalytic pyrolysis reactor through the header located in the inner layer of the heat exchanger, and reacts with the ruthenium-based catalyst packing in the catalytic pyrolysis reactor under high temperature and pressure to convert the macromolecules containing impurities Nitrogen organic matter is decomposed into easily biodegradable small molecular compounds to form a high-temperature gas-liquid mixture, and then the high-temperature gas-liquid mixture is sequentially transported to the heat exchange tube on the outer layer of the heat exchanger, the gas-liquid separator and the secondary through the water outlet of the catalytic pyrolysis reactor. The temperature of the condenser is lowered step by step, and the liquid is discharged into the biochemical system after cooling. The invention effectively solves the industrial problem that the high-concentration organic waste water is difficult to biodegrade, and also has the advantages of low energy consumption in operation, so it has good application prospects.
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Description

technical field

[0001] The invention belongs to the technical field of waste water treatment, and in particular relates to a pretreatment device for high-concentration organic waste water of Mibike. Background technique

[0002] (Triglycidyl) isocyanurate, also known as Bic, is widely used as an additive in various synthetic materials, adhesives, and modified rings because of its excellent heat resistance, adhesiveness, and high-temperature electrical conductivity. Oxygen resins, high-performance electrical insulation materials, electrical components and PES coatings. At present, Mibike mainly uses cyanuric acid, epichlorohydrin, and caustic soda as raw materials, through epichlorohydrin and cyanuric acid to undergo a ring-opening reaction under the action of a catalyst, and adding caustic soda to the reaction to perform a two-step ring-closing reaction synthesis process to synthesize. However, during the synthesis process, raw materials, intermediate products, and product...

Claims

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