Domestic garbage compression waste water treatment system and method

A technology for wastewater treatment system and domestic waste, applied in water/sewage treatment, water treatment parameter control, neutralization water/sewage treatment, etc. It can solve the problems of design space limitation, domestic waste compression wastewater treatment problem, etc., to meet the limitation desired effect

Active Publication Date: 2018-05-08
GUANGZHOU S SUNNY ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the strict design space constraints of the facility design space of the garbage transfer station in residential areas, the treatment of compressed domestic garbage wastewater is still a difficult problem in the industry

Method used

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  • Domestic garbage compression waste water treatment system and method
  • Domestic garbage compression waste water treatment system and method
  • Domestic garbage compression waste water treatment system and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] The effective volume of the wastewater collection tank of the present embodiment is 0.6m 3 , collecting 0.4m 3 After the waste water, test and analyze the pH value, odor concentration value and COD value of the waste water. The wastewater treatment steps are as follows:

[0049] (1) After enough wastewater is collected in the wastewater collection tank, the wastewater is discharged into the acid treatment tank, the aeration device is turned on, and sulfuric acid is added to the wastewater to adjust the pH value of the wastewater to 4.

[0050] (2) After the pH adjustment is completed, the wastewater is discharged into an electrolysis device equipped with iron-carbon materials for electrolysis for 30 minutes.

[0051] (3) After electrolysis, discharge the wastewater into the saline-alkali treatment tank, add aluminum chloride at an amount of 5 kg per cubic meter of wastewater, turn on the aeration device, add caustic soda to adjust the pH value to 7, and then add flocc...

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PUM

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Abstract

The invention relates to a domestic garbage compression waste water treatment system, which comprises a waste water collecting pool, an acid treatment pool, an electrolysis device, a salt and alkali treatment pool, a flocculating settling pool, a first middle water pool, an ozone catalytic oxidation device, a second middle water pool and a sand filtering device in sequential communication. The waste water treated by the domestic garbage compression waste water treatment system and method becomes light-color semi-transparent milky white from the original milky turbid fluid; heavy odor basicallydisappears; the COD (chemical oxygen demand) value is effectively reduced; in the whole treatment process, no toxic and harmful substances are generated. The minimum change of equipment miniaturization and serialization on the existing capital construction basis is realized; the limitation requirement of a residential district garbage transfer station on the facility design space can be met.

Description

technical field [0001] The invention relates to the field of wastewater treatment, in particular to a system and method for compressing domestic waste wastewater. Background technique [0002] The domestic garbage in the garbage transfer station of residential areas is mainly kitchen garbage and daily necessities waste. [0003] For kitchen waste, the main features are good biodegradability and relatively high water yield during the compression process. This kind of garbage usually contains a lot of nitrogen-containing and sulfur-containing organic matter, and has a very pungent odor. It stays in the garbage transfer station for a long time, and there will be obvious rancidity, producing a large amount of sour and smelly gas, which is easy to breed A large number of mosquitoes and flies have a great impact on the living environment. The waste water after compression treatment of kitchen waste will contain a lot of oily substances, the water body will be turbid, and the col...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/06C02F103/06
CPCC02F1/001C02F1/46104C02F1/52C02F1/66C02F1/725C02F1/74C02F1/78C02F9/00C02F2001/007C02F2103/06C02F2209/08C02F2303/02
Inventor 李小琴康佑军王宏菊
Owner GUANGZHOU S SUNNY ENVIRONMENTAL PROTECTION TECH CO LTD
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