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Processing method for VC wastewater

A treatment method and technology for wastewater, applied in multi-stage water treatment, water/sewage treatment, natural water treatment, etc., can solve problems such as high COD content and pollution, achieve good flocculation effect, reduce difficulty and improve efficiency.

Inactive Publication Date: 2015-04-15
王文硕
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

No matter which method will produce a large amount of production wastewater, the COD content in these wastewater is high, and direct discharge will cause great pollution, which must be treated

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The flocculant formula of the present invention is: 35 parts of volcanic rock, 15 parts of mesoporous silica microspheres, 15 parts of aluminum hydroxide, 15 parts of carboxymethyl chitosan, 6 parts of activated carbon, 4 parts of aluminum sulfate, and 4 parts of iron sulfate .

[0023] The preparation method is as follows: weighing the raw materials according to the proportioning ratio, and then grinding them into fine powders of 5-10 microns.

Embodiment 2

[0025] The flocculant formula of the present invention is: 30 parts of volcanic rock, 20 parts of mesoporous silica microspheres, 10 parts of aluminum hydroxide, 20 parts of carboxymethyl chitosan, 5 parts of activated carbon, 5 parts of aluminum sulfate, and 1 part of iron sulfate . The preparation method is the same as in Example 1.

Embodiment 3

[0027] The flocculant formula of the present invention is: 40 parts of volcanic rock, 10 parts of mesoporous silica microspheres, 20 parts of aluminum hydroxide, 10 parts of carboxymethyl chitosan, 10 parts of activated carbon, 1 part of aluminum sulfate, and 5 parts of iron sulfate . The preparation method is the same as in Example 1.

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Abstract

A disclosed processing method for VC wastewater is characterized by comprising the following steps: adjusting pH of vitamin C production wastewater to be neutral; introducing wastewater into a flocculating sedimentation pool, and adding a flocculating agent for processing; performing pump filtering on wastewater, and processing the filtrate by using a micro-filtration membrane and an ultrafiltration membrane; introducing wastewater into an anaerobic biofilter for anaerobic processing; and introducing wastewater into an aerobic biofilter for aerobic processing. A technology combining flocculation, micro-filtration, ultra-filtration, anaerobic processing and aerobic processing is employed for processing wastewater, the employed flocculating agent is good in flocculation effect, organics in wastewater are subjected to preliminary processing, and macromolecular substances in wastewater are subjected to separation processing through micro-filtration and ultrafiltration, so that the difficulty of later biological processing is substantially mitigated, and the wastewater processing efficiency is improved.

Description

technical field [0001] The invention relates to a method for treating waste water, in particular to a method for treating waste water from vitamin C production. Background technique [0002] Vitamin C (Vitamin C), also known as L-ascorbic acid, is a water-soluble vitamin. The main effect of vitamin C depends on enhancing immunity, preventing cancer, heart disease, stroke, protecting teeth and gums and so on. In addition, insisting on taking vitamin C on time can also reduce skin melanin, thereby reducing dark spots and freckles, and making the skin fair. [0003] Vitamin C was first extracted from animals and plants. Later, the chemical manufacturing method was developed, as well as the manufacturing method of fermentation and chemical sharing. There are two kinds of vitamin C production methods now, one is the one-stage fermentation method invented by Reichstein, and the other is the relatively new two-stage fermentation method invented by Yin Guanglin. No matter which ...

Claims

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Application Information

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IPC IPC(8): C02F9/14
CPCC02F9/00C02F1/444C02F1/5236C02F1/56C02F1/66C02F3/02C02F3/28C02F2103/36C02F2301/08
Inventor 王文硕
Owner 王文硕
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