A catering wastewater degreasing treatment system
A technology for catering wastewater and oil treatment, applied in multi-stage water treatment, water/sewage treatment, special compound water treatment, etc., can solve the problems of high operating cost and low equipment cost, reduce operating cost, improve processing capacity, It is conducive to the effect of large-scale promotion and application
Inactive Publication Date: 2018-01-09
湛江市深蓝环保工程有限公司
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[0005] (2) The advantages of chemical treatment are low equipment cost, good treatment effect, and simple operation; the disadvantage is that it needs to continuously inject chemicals into the wastewater, which has high operating costs and will introduce secondary pollution
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[0024] like figure 1 The shown catering wastewater degreasing treatment system includes a buffer pool 1, a coarse grid 2, a microbubble air flotation oil adsorption device 3, an oil catalytic heavy-duty desorption reactor 4, a pH value adjustment pool 5, and a primary sedimentation pool 6 , organic rhodium catalytic reaction tank 7, biological denitrification tank 8, secondary sedimentation tank 9, water purification tank 10; wherein the oily catering wastewater enters the buffer pool 1 through the wastewater pipeline, where centralized collection and preliminary stable adjustment are carried out, and the buffer pool The outlet of 1 is connected to the coarse grid 2 through the wastewater pipeline, where the large-diameter solid matter in the catering wastewater is removed, and the outlet of the coarse grid 2 is connected to the microbubble air flotation oil adsorption device 3 through the waste water pipeline, and the microbubble air flotation oil adsorption device The π-ally...
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Abstract
The invention discloses an oil removing treatment system for restaurant wastewater. The system comprises a temporary storage tank, a coarse screen, a microbubble flotation oil adsorption device, a catalytic heavy oil desorption reactor, a pH value regulating tank, a primary sedimentation tank, an organic rhodium catalytic reaction tank, a biological nitrogen removal tank, a secondary sedimentationtank and a clear water tank. The catalytic effect of a phi-allyl nickel compound on oil molecules is utilized creatively in the system, when oil in wastewater is adsorbed by modified diatomite and isat 200-250 DEG C, C-H bonds in the oil molecules can be broken temporarily under the catalysis of the phi-allyl nickel compound and quickly combine into C-C bonds or C-H bonds, C-H bonds can be broken again, and C-C bonds cannot be broken under limited catalytic action of the phi-allyl nickel compound, so that oil molecules with shorter carbon chains can be gradually synthesized into heavy oil molecules with longer carbon chains.
Description
technical field [0001] The invention relates to a catering waste water degreasing treatment system, which belongs to the field of waste water treatment in environmental protection. Background technique [0002] Among domestic sewage, catering oily sewage is one of the main water bodies. Numerous restaurants, canteens, food processing enterprises and residents will discharge a large amount of sewage in their daily life, which contains a large amount of animal and vegetable oils. If it is not treated directly, it will cause blockage of pipelines, turbidity and corruption of water bodies, and breeding of diseases. source. [0003] At present, the existing catering wastewater degreasing methods include the following four. [0004] (1) Physical methods mainly include filtration separation method and air flotation separation method, but they are only suitable for separating oil products with large particles in wastewater. The treatment efficiency is 60-80%, and the oil content i...
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IPC IPC(8): C02F9/04
CPCC02F1/00C02F1/001C02F1/24C02F1/281C02F1/285C02F1/288C02F1/40C02F1/4608C02F1/48C02F1/52C02F1/66C02F9/00C02F2001/007C02F2101/34C02F2301/08C02F2303/16C02F2303/26C02F2305/00
Inventor 张作玮朱辉
Owner 湛江市深蓝环保工程有限公司