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Brassica juncea pickling waste water treatment device and method

A technology for pickling wastewater and treatment equipment, which is applied in the direction of food industry wastewater treatment, water/sewage treatment, water/sewage multi-stage treatment, etc. It can solve the problem of blocked microbial metabolic enzyme activity, limited application of activated sludge method, and slow biological growth problems such as improved biodegradability, reduced requirements for water distribution uniformity, and low operating energy consumption

Pending Publication Date: 2017-05-24
LINYI UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the high-salt environment of pickling wastewater has an inhibitory effect on biochemical treatment. In a high-salinity environment, the activity of microbial metabolic enzymes is hindered, the growth of organisms is slow, and the yield coefficient is low, which greatly limits the use of activated sludge in the treatment of high-salt wastewater. field application

Method used

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  • Brassica juncea pickling waste water treatment device and method
  • Brassica juncea pickling waste water treatment device and method
  • Brassica juncea pickling waste water treatment device and method

Examples

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Effect test

Embodiment 1

[0075] The water quality of production wastewater in a mustard pickling factory is: salinity (calculated as NaCl): 20-25g / L; COD: 3240-4150mg / L; ammonia nitrogen: 180-230mg / L; total phosphorus: 7.3-8.7mg / L .

[0076] Apply mustard pickling wastewater treatment method of the present invention, comprise the following steps:

[0077] (1) Wastewater enters the sewage collection tank 2 through the grid 1, and the grid 1 is a rotary grid decontamination machine, the grid spacing is 1mm, and the grid series interval is 0.5mm;

[0078] (2) The waste water enters the iron-carbon micro-electrolytic cell 4 under the promotion of the sewage pump 3, and flows through the iron-carbon filler in a baffle type, and the flow velocity is 0.5cm / s;

[0079] (3) The waste water after the iron-carbon micro-electrolysis treatment flows into the biological contact oxidation tank 5 by itself. The biological contact oxidation tank is a rectangular aeration tank with a combined filler inside, the hydrauli...

Embodiment 2

[0084] The water quality of production wastewater in a mustard pickling factory is: salinity (calculated as NaCl): 20-25g / L; COD: 3240-4150mg / L; ammonia nitrogen: 180-230mg / L; total phosphorus: 7.3-8.7mg / L .

[0085] Apply mustard pickling wastewater treatment method of the present invention, comprise the following steps:

[0086] (1) Wastewater enters the sewage collection tank 2 through the grid 1, and the grid 1 is a rotary grid decontamination machine, the grid spacing is 1mm, and the grid series interval is 0.5mm;

[0087] (2) The waste water enters the iron-carbon micro-electrolytic cell 4 under the promotion of the sewage pump 3, and flows through the iron-carbon filler in a baffle type, and the flow rate is 1cm / s;

[0088] (3) The waste water after the iron-carbon micro-electrolysis treatment flows into the biological contact oxidation tank 5 by itself. The biological contact oxidation tank is a rectangular aeration tank with a combined filler inside, the hydraulic re...

Embodiment 3

[0093] The water quality of production wastewater in a mustard pickling factory is: salinity (calculated as NaCl): 20-25g / L; COD: 3240-4150mg / L; ammonia nitrogen: 180-230mg / L; total phosphorus: 7.3-8.7mg / L .

[0094] Apply mustard pickling wastewater treatment method of the present invention, comprise the following steps:

[0095] (1) Wastewater enters the sewage collection tank 2 through the grid 1, and the grid 1 is a rotary grid decontamination machine, the grid spacing is 1mm, and the grid series interval is 0.5mm;

[0096] (2) The waste water enters the iron-carbon micro-electrolytic cell 4 under the promotion of the sewage pump 3, and flows through the iron-carbon filler in a baffle type, and the flow velocity is 1.5cm / s;

[0097] (3) The waste water after the iron-carbon micro-electrolysis treatment flows into the biological contact oxidation tank 5 by itself. The biological contact oxidation tank is a rectangular aeration tank with a combined filler inside. The hydrau...

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Abstract

The invention relates to a brassica juncea pickling waste water treatment device and method. The brassica juncea pickling waste water treatment device comprises a grille (1), a sewage collecting tank (2), a sewage pump (3), an iron-carbon microelectrolysis tank (4), a bio-contact oxidizing tank (5) and a sedimentation tank (6), wherein waste water generated in a brassica juncea pickling process flows into the sewage collecting tank (2) via the grille (1), the sewage pump (3) is arranged in the sewage collecting tank (2), the sewage is pumped by the sewage pump (3) into the iron-carbon microelectrolysis tank (4), the waste water flows by the iron-carbon microelectrolysis tank (4) in a zigzag stream manner to be treated and then flows into the bio-contact oxidizing tank (5), after being treated by the bio-contact oxidizing tank (5), the waste water enters the sedimentation tank (6), and supernatant in the sedimentation tank (6) reaches the standard and is discharged.

Description

technical field [0001] The invention relates to equipment and a method for treating waste water from mustard pickling, belonging to the technical field of sewage treatment. Background technique [0002] Vegetable pickling is a common way of preserving and eating in our country, such as pickled mustard in the south and mustard in the north. The process of pickling vegetables produces a large amount of high-salt and high-organic wastewater. Since high salinity can inhibit microbial activity, the treatment of this type of pickling wastewater has become a major problem. [0003] The commonly used treatment methods for high-salt wastewater are physical treatment methods such as electrolysis, membrane separation, incineration or deep well injection. The high operating costs of the electrolysis and incineration methods, the membrane clogging of the membrane separation method, and the secondary pollution of deep well perfusion all limit practical applications, and because a large n...

Claims

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Application Information

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IPC IPC(8): C02F9/14C02F1/461C02F1/72C02F3/30C02F103/32
CPCC02F1/46176C02F1/4672C02F3/301C02F3/302C02F9/00C02F2103/32C02F2301/02C02F2303/24C02F2001/007C02F1/001
Inventor 王昌稳雷泽远孔文峰赵欣
Owner LINYI UNIVERSITY
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