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Technology and system for treating roasted eel industrial sewage

A technology for treating process and industrial sewage, which is applied in food industry wastewater treatment, water/sewage multi-stage treatment, animal processing wastewater treatment, etc. It can solve problems such as large consumption of dissolved oxygen, high concentration of organic matter, and environmental hazards of water bodies, and achieve consumption can low effect

Inactive Publication Date: 2012-07-18
陈宏
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The main pollutants of grilled eel industrial wastewater produced by grilled eel food production enterprises are COD, BOD, NH 3 -N, suspended solids, animal and vegetable oils, etc., have a high concentration of organic matter and are prone to corruption. The water discharged into the natural surface water environment will consume a large amount of dissolved oxygen and cause serious harm to the water environment. Therefore, it is necessary to develop a special treatment for grilled eels Industrial Wastewater Treatment Process

Method used

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  • Technology and system for treating roasted eel industrial sewage
  • Technology and system for treating roasted eel industrial sewage
  • Technology and system for treating roasted eel industrial sewage

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0040] An industrial sewage treatment process for grilled eels, characterized in that the sewage is treated by the following steps in sequence:

[0041] a. Oil-separated primary sedimentation treatment: Send 400-450 tons / day of roasted eel sewage into oil-separated primary sedimentation equipment 1-1. During the production and processing process, two kinds of industrial wastewater, raw water and cooked water, are produced. The raw water is Unheated water, including killing eel sewage, boiled water is heated water including roasted eel sewage; the cooked water is sent into the oil separation equipment 1-1 with a capacity of 160 cubic meters, and at natural ambient temperature, after 13- 16 hours of oil separation and filtration to remove slick oil; send raw water and cooked water after oil separation and filtration to primary sedimentation equipment 1-2 with a capacity of 90 cubic meters, and undergo 9-13 hours of sedimentation and filtration at natural ambient temperature Remo...

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Abstract

The invention relates to a technology for treating roasted eel industrial sewage. The technology is characterized by comprising the following steps of: (A), oil isolated primary precipitation treatment; (B), anaerobic decomposition treatment; (C), primary contact oxidation treatment; (D), primary standing return sludge precipitation treatment; (E), secondary contact oxidation treatment; (F), sandfiltration treatment; (G), secondary standing left sludge precipitation treatment; and (H), multistage precipitation treatment. A system for treating the roasted eel industrial sewage is characterized by comprising oil isolated primary precipitation equipment, anaerobic or anoxic acidification equipment, primary contact oxidation equipment, primary standing return sludge precipitation equipment, secondary contact oxidation equipment, sand filtration equipment, secondary standing left sludge precipitation equipment, multistage supernate tanks, left sludge precipitation equipment and control equipment for controlling the system. The technology and the system for treating the roasted eel industrial sewage can effectively degrade organic substances.

Description

technical field [0001] The invention relates to a roasted eel industrial sewage treatment process and a system thereof. Background technique [0002] The main pollutants of grilled eel industrial wastewater produced by grilled eel food production enterprises are COD, BOD, NH 3 -N, suspended solids, animal and vegetable oils, etc., have a high concentration of organic matter and are prone to corruption. The water discharged into the natural surface water environment will consume a large amount of dissolved oxygen and cause serious harm to the water environment. Therefore, it is necessary to develop a special treatment for grilled eels Industrial wastewater treatment process. Contents of the invention [0003] The object of the present invention is to provide a process for treating industrial sewage of grilled eels and a system thereof capable of effectively degrading organic matter. [0004] The purpose of the present invention is achieved through the following technical ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F1/40C02F1/52C02F103/22C02F103/32
Inventor 陈宏
Owner 陈宏
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