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Beer waste water treatment process

A beer wastewater and treatment process technology, applied in food industry wastewater treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., can solve the problems of water environmental hazards, long treatment time, easy corruption, etc., to achieve Ensure stable operation, obvious purification effect and simple process

Inactive Publication Date: 2014-01-15
苏州腾辉环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The industrial wastewater produced by beer production mainly contains organic matter such as sugars and alcohols. The concentration of organic matter is high. Although it is non-toxic, it is easy to be corrupted. It requires a large amount of dissolved oxygen to be discharged into the water body, causing serious harm to the water body environment.
At present, most of the treatment methods for beer wastewater are contact oxidation, but this method takes a long time to process, occupies a large area, and has relatively high operating costs.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] (a) Influent water: imported beer wastewater, the quality of wastewater COD=2480mg / L, BOD=1750mg / L, SS=390mg / L;

[0020] (b) Grille: Lead the beer wastewater into the HQ type rotary mechanical grille, with a gap of 4mm between the grid bars, to block the suspended or floating large solids in the intercepted sewage;

[0021] (c) Solid-liquid separation: Use LW-350 single-motor horizontal screw discharge sedimentation centrifuge to further separate solid-liquid from beer wastewater;

[0022] (d) Water collection: the water treated by the solid-liquid separator is introduced into the water collection well, and the beer wastewater is collected;

[0023] (e) Acid-base adjustment: pump the waste water in the sump well through the submersible sewage pump with an effective volume of 1100m 3 The adjustment pool, the mixer stirs the wastewater in the pool to prevent precipitation, and uses sodium hydroxide to adjust the acid-base of the adjustment pool, so that the pH value is 7...

Embodiment 2

[0028] (a) Influent water: imported beer wastewater, the quality of wastewater COD=2500mg / L, BOD=1800mg / L, SS=330mg / L;

[0029] (b) Grille: Lead the beer wastewater into the HQ type rotary mechanical grille, with a gap of 5mm between the grid bars, to block the suspended or floating large solids in the intercepted sewage;

[0030] (c) Solid-liquid separation: Use LW-350 single-motor horizontal screw discharge sedimentation centrifuge to further separate solid-liquid from beer wastewater;

[0031] (d) Water collection: the water treated by the solid-liquid separator is introduced into the water collection well, and the beer wastewater is collected;

[0032] (e) Acid-base adjustment: pump the waste water in the sump well through the submersible sewage pump with an effective volume of 1150m 3 In the regulating pool, the mixer stirs the wastewater in the pool to prevent precipitation, and uses sodium hydroxide to adjust the acid-base of the regulating pool, so that the pH value i...

Embodiment 3

[0037] (a) Influent water: import beer wastewater, the quality of wastewater COD=2300mg / L, BOD=1690mg / L, SS=360mg / L;

[0038] (b) Grille: Lead the beer wastewater into the HQ type rotary mechanical grille, with a gap of 6mm between the bars to block the large solids in suspension or floating state in the intercepted sewage;

[0039] (c) Solid-liquid separation: Use LW-350 single-motor horizontal screw discharge sedimentation centrifuge to further separate solid-liquid from beer wastewater;

[0040] (d) Water collection: the water treated by the solid-liquid separator is introduced into the water collection well, and the beer wastewater is collected;

[0041] (e) Acid-base adjustment: pump the waste water in the sump well through the submersible sewage pump with an effective volume of 1200m 3 In the regulating pool, the mixer stirs the wastewater in the pool to prevent precipitation, and uses sodium hydroxide to adjust the acid-base of the regulating pool, so that the pH value...

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Abstract

The invention discloses a beer waste water treatment process, comprising: water inlet, grating, solid-liquid separation, a water collection well, pH value regulation, anaerobic UASB, aerobic SBR and water outlet. The treatment process uses two-stage physicochemical separation by combining point adhesion of the beer waste water, guarantees stabilization operation of anaerobic UASB, simultaneously increases a pH value regulation technology, and is in favor of validity of anaerobic UASB technology treatment. The treatment process has advantages of simple process, low cost, obvious purifying effect, and easy utilization in production.

Description

technical field [0001] The invention relates to a wastewater purification process, in particular to a brewery wastewater treatment process. Background technique [0002] Beer is a nutrient-rich drink wine made from barley and water as the main raw materials, rice or grains as auxiliary materials, saccharified and fermented. The industrial wastewater produced by beer production mainly contains organic matter such as sugars and alcohols. The concentration of organic matter is high. Although it is non-toxic, it is easy to be corrupted. It requires a large amount of dissolved oxygen to be discharged into the water body, causing serious harm to the water body environment. At present, most of the treatment methods for beer wastewater are contact oxidation, but this method takes a long time to process, occupies a large area, and has relatively high operating costs. Contents of the invention [0003] Purpose of the invention: The purpose of the invention is to overcome the defici...

Claims

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Application Information

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IPC IPC(8): C02F9/14C02F3/30C02F103/32
Inventor 徐浩
Owner 苏州腾辉环保科技有限公司
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