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Efficient treatment process for slaughter wastewater

A technology for treating process and slaughter wastewater, which is applied in animal processing wastewater treatment, water/sewage treatment, flotation water/sewage treatment, etc. It can solve the problems that it is difficult to guarantee the effect of sewage treatment, and achieve the effect of improving the purification effect

Inactive Publication Date: 2016-11-16
YUNNAN ZHUYUAN ENVIRONMENTAL PROTECTION ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This system does not record the specific process, it is difficult to guarantee the effect of sewage treatment

Method used

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  • Efficient treatment process for slaughter wastewater

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Experimental program
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Effect test

Embodiment

[0049] A slaughterhouse produces 500m of waste water per day 3 , the designed sewage treatment station has a treatment capacity of 500m per day 3 , according to the law of sewage discharge, the system is designed to operate for 20 hours a day, and the sewage treatment capacity per hour is 25 m 3 , the water quality of the sewage is:

[0050] pH

Phosphate (P)

COD Cr

BOD 5

SS

NH 3 -N

Total coliform ≤

animal and vegetable oil

6-9

18-20mg / L

4000mg / L

2000mg / L

1500mg / L

60mg / L

36*10 12 pcs / 100mL

300mg / L

[0051] The treatment process is: the sewage is sequentially passed into

[0052] Coarse grid with a grid gap of 5 mm and a fine grid with a grid gap of 3 mm;

[0053] Screw extruding solid-liquid separator, extruding and filtering waste water;

[0054] The grease trap adopts brick-concrete structure with an effective volume of 50m 3 , to separate blood stains and grease;

[0055] Regulating pool...

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Abstract

The invention discloses an efficient treatment process for slaughter wastewater. The process comprises the steps that wastewater is sequentially introduced into a grid, a spiral extrusion solid-liquid separator, an oil isolation pool, an adjusting pool, a horizontal flow type air flotation settling pond, a hydrolysis acidification pool, an anoxic-aerobiotic pool, a coagulative precipitation tank, a biological filtering tank, a multi-medium filtering tank and a disinfection pool and then is stored in a clean water pool for use. By improving existing wastewater treatment process and adding the biological filtering tank and the multi-medium filtering tank, residual organic matter and tiny suspended matter in wastewater are thoroughly removed, and the wastewater purifying effect is improved.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment, in particular to a high-efficiency treatment process for slaughter wastewater. Background technique [0002] A certain amount of wastewater will be produced during the slaughtering of livestock, mainly from post-slaughter cleaning, disintegration flushing, visceral cleaning, floor flushing and fecal wastewater. This type of wastewater contains a large amount of organic matter, the main components are: animal feces, blood, visceral debris, animal hair, minced meat and oil and other organic matter, which belongs to high-concentration organic wastewater. The waste water is brownish red and has a strong fishy smell. The fat, protein, and other substances in the waste water are directly discharged into the water body without treatment, which will cause serious eutrophication of the water body, seriously damage the self-purification ability of the water body, make the water body black and sme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F103/22
CPCC02F9/00C02F1/001C02F1/24C02F1/32C02F1/40C02F1/50C02F1/5245C02F3/30C02F2103/22
Inventor 王文毓肖永兵杨本寿周小燕
Owner YUNNAN ZHUYUAN ENVIRONMENTAL PROTECTION ENG CO LTD
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