Treating agent and method for candy production waste water

A production wastewater and treatment method technology, which is applied in the field of candy production wastewater treatment and candy production wastewater treatment agent, can solve the problems of high cost and complicated treatment methods, achieve high removal rate and reduce the effect of SS content

Inactive Publication Date: 2016-03-23
JINAN HAOZE ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The above-mentioned treatment method is relatively complicated, and the cost of the equipment is relatively high. Therefore, it is necessary to design a treatment method for candy production wastewater with good wastewater treatment effect and low cost.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Collect the waste water of a certain candy enterprise, after testing, the waste water of this enterprise does not reach the discharge standard, and needs to be discharged after treatment. The waste water treatment agent and waste water treatment method of the present invention are used to treat the waste water of the above-mentioned enterprise. The specific steps are as follows:

[0027] Candy production wastewater treatment method, comprises the following steps:

[0028] (1) Filtration: use grid sieve;

[0029] (2) Precipitation: In the precipitation step, add the following physical water purifiers in parts by weight, activated carbon is 3, organically modified zeolite is 3 and polyacrylamide 3; stir while adding, the stirring speed is 15r / min; stir After uniformity, let stand for 2.5 hours; the physical water purifying agent is 0.008% of the total weight of waste water;

[0030] (3) Activated sludge method processes the waste water in the step (2), puts the waste wat...

Embodiment 2

[0038] Candy production wastewater treatment method, comprises the following steps:

[0039] (1) Filtration: use grid sieve;

[0040] (2) Precipitation: In the precipitation step, add the following physical water purifiers in parts by weight, 1 for activated carbon, 1 for organically modified zeolite and 1 for polyacrylamide; stir while adding, and the stirring speed is 10r / min; After uniformity, let it stand for 1 hour; the physical water purifying agent is 0.005% of the total weight of waste water;

[0041] (3) Activated sludge method processes the waste water in the step (2), puts the waste water in the step (2) into the aeration tank, adds the activated sludge containing the composite microbial bacterial agent in the aeration tank, and then the activated sludge Put the mud into the aeration tank;

[0042] In the activated sludge, the composite microbial bacterial agent is: Pseudomonas aeruginosa bacterial powder 0.02, Arthrobacter bacterial powder 0.05, Bacillus sporogen...

Embodiment 3

[0045] Candy production wastewater treatment method, comprises the following steps:

[0046] (1) Filtration: use grid sieve;

[0047] (2) Precipitation: In the precipitation step, add the following physical water purifiers in parts by weight, 5 for activated carbon, 5 for organically modified zeolite and 5 for polyacrylamide; stir while adding, and the stirring speed is 20r / min; After uniformity, let it stand for 4 hours; the physical water purifying agent is 0.02% of the total weight of waste water;

[0048] (3) Activated sludge method processes the waste water in the step (2), puts the waste water in the step (2) into the aeration tank, adds the activated sludge containing the composite microbial bacterial agent in the aeration tank, and then the activated sludge Put the mud into the aeration tank;

[0049] In the activated sludge, the composite microbial bacterial agent is: Pseudomonas aeruginosa bacterial powder 0.1, Arthrobacter bacterial powder 0.2, Bacillus lateralis ...

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Abstract

The invention belongs to the field of food enterprise waste water treatment, particularly relates to a treating agent for candy production enterprise waste water and relates to a treating method for the candy production waste water. The treating agent for the candy production waste water is prepared from, by weight, a physical water-purifying agent including 1-5 parts of active carbon, 1-5 parts of organic modified zeolite and 1-5 parts of polyacrylamide, a complex microbial agent including 0.02-0.1 part of pseudomonas aeruginosa powder, 0.05-0.2 part of arthrobacter powder, 0.05-0.2 part of bacillus laterosporus powder and 0.04-0.2 part of thiobacillus powder and an enzyme preparation including 0.05-0.1 part of xylanase, 0.04-0.09 part of glucose oxidase and 0.01-0.06 part of papain. By the adoption of the treating agent and method for the waste water, organic matter which is complex, difficult to degrade and large in particle is hydrolyzed to be simple organic matter easy to degrade, in this way, the SS content in the waste water is greatly reduced, the removal rate of BOD and COD in the waste water after treatment is high, and the waste water meets specified emission standards.

Description

technical field [0001] The invention belongs to the field of waste water treatment in food enterprises, and in particular relates to a treatment agent for candy production waste water, and also relates to the above-mentioned candy production waste water treatment method. Background technique [0002] The main pollutants in candy production wastewater are starch, sugar, cream and other organic substances. The wastewater is characterized by high COD concentration. The process often used to treat candy wastewater is USAB+SBR process. Adjusting pool: production wastewater is collected through pipelines After that, it flows into the collection pool 1, and the domestic sewage enters into the collection pool 2; the production wastewater and domestic sewage are pumped to the adjustment tank respectively, and mixed evenly in the adjustment tank, and sodium carbonate is added at the same time to control the pH of the mixed wastewater at 6.5 Within the range of -7.5, the mixed wastewat...

Claims

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Application Information

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IPC IPC(8): C02F9/14C02F3/34C02F3/12C02F1/52C02F1/56C02F103/32
CPCC02F1/001C02F1/5236C02F1/56C02F3/12C02F3/341C02F3/342C02F9/00C02F2103/32C02F2301/08Y02W10/10
Inventor 冉德焕
Owner JINAN HAOZE ENVIRONMENTAL PROTECTION TECH CO LTD
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