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Treatment method and equipment of beer industry sewage

A technology for industrial sewage and treatment methods, which is applied in the fields of food industry wastewater treatment, water/sewage multi-stage treatment, oxidized water/sewage treatment, etc., and can solve problems such as no beer wastewater.

Active Publication Date: 2016-01-06
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] However, there is no report in the public literature on the use of ultrasound combined with Fenton reaction oxidation to treat brewery wastewater

Method used

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  • Treatment method and equipment of beer industry sewage

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Experimental program
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Effect test

Embodiment 1

[0036] Pass the beer sewage into the Fenton reactor 1, H 2 o 2 The dosage is 70ml / m 3 , Fe 2+ Dosage 50g / m 3 , and add sulfuric acid to adjust the pH to 1.5-2.0, the reaction time is 0.5h, the reaction temperature is 50°C, then enter the ultrasonic pool 2, set the power of ultrasonic irradiation to 0.1kw, ultrasonic time = 10min; the outlet of ultrasonic pool 2 is connected to Regulate the aeration tank 5, the aeration device 6 is installed in the aeration oxidation tank 5, the gas is provided by the air compressor 7; The flocculant described above is a polyacrylamide flocculant with an addition amount of 10 ppm, and finally enters the biodegradation pool 9, which is a pool for planting aquatic plants duckweed or reed, and the residence time is more than 2 days.

Embodiment 2

[0038] Pass municipal sewage to Fenton reactor 1, H 2 o 2 Dosage 50ml / m 3 , Fe 2+ The dosage is 80g / m 3 , and add sulfuric acid to adjust the pH to 2.0-3.0, the reaction time is 1.5h, the reaction temperature is 60°C, then enter the ultrasonic pool 2, set the power of ultrasonic irradiation to 0.2kw, and the ultrasonic time is 30min; the outlet of ultrasonic pool 2 is connected to the regulator Aeration tank 5 and aeration device 6 are installed in the aeration oxidation tank 5, and the gas is provided by an air compressor 7; the aeration oxidation tank 6 is followed by a clarification tank 8 and a biodegradation tank 9, and the clarification tank 8 adds a flocculant, and the The flocculant is a polyacrylamide flocculant in an amount of 30ppm, and finally enters the biodegradation pond 9, which is a pond for planting aquatic plants duckweed or reed, and the residence time is more than 4 days. If the sewage has foam, a defoamer can also be added. The defoamer is sucrose est...

Embodiment 3

[0040] Lead the printing and dyeing factory sewage to the Fenton reactor 1, H 2 o 2 The dosage is 180ml / m 3 , Fe 2+ The dosage is 90g / m 3 , and add sulfuric acid to adjust the pH to 2.0-3.0, the reaction time is 1.5h, the reaction temperature is 60°C, then enter the ultrasonic pool 2, set the power of ultrasonic irradiation to 0.5kw, and the ultrasonic time is 60min; the outlet of ultrasonic pool 2 is connected to the adjustment The aeration tank 5 and the aeration oxidation tank 5 are equipped with an aeration device 6, and the gas is provided by an air compressor 7; the aeration oxidation tank 6 is connected with a clarification tank 8 and a biodegradation tank 9, and the clarification tank 8 is added with a decolorizing agent polyferric sulfate and flocculant, the polyacrylamide flocculant added in an amount of 50ppm, and finally enters the biodegradation pond 9, which is a pond for planting aquatic plants duckweed or reed, and the residence time is more than 5 days. If...

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Abstract

A treatment method and equipment for beer industrial sewage, the treatment method includes two steps of pretreatment and subsequent treatment: the pretreatment is to first perform Fenton reaction on the beer industrial sewage to degrade organic matter in the beer industrial sewage, and then perform ultrasonic Broken and decomposed into small molecular substances; the Fenton reaction conditions are: pH? 1.5-4.5, the dosage of H2O2 is 50-200ml / m3, the dosage of Fe2+ is 50-100g / m3, the reaction time is 0.5-2.0h, the reaction temperature is 50-70℃, the power of the ultrasonic irradiation 0.1-0.3kw, ultrasonic time is 10-50min; the subsequent treatment includes acid-base adjustment, aeration oxidation, clarification and biodegradation. The treatment of beer industry sewage in the present invention adopts Fenton reaction and ultrasonic irradiation plus comprehensive treatment of acid-base adjustment, aeration oxidation, clarification and biodegradation, so that the treated wastewater not only meets the discharge standard, but also can be used in the production process.

Description

technical field [0001] The invention relates to the technical field of food industry treatment, in particular to a treatment method for brewery industrial sewage. Background technique [0002] With the rapid development of the industrial economy and the continuous improvement of people's living standards, beer has long been a frequent visitor on people's tables. With its cool, sweet and slightly bitter taste, beer attracts more and more people to love it. This has enabled the beer industry to develop rapidly and made my country the largest country in beer production. In 2012, the output of China's beer industry was 49.02 million kiloliters, a year-on-year increase of 3.1%. The rapid development of the beer industry has produced huge economic benefits, but also produced a large amount of sewage sludge. According to China International Beer Network, even though my country has stepped up efforts to treat beer wastewater, the total annual discharge of wastewater from the beer...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14C02F1/72C02F1/36C02F103/32
Inventor 王英辉陈仁义来光业韦朝帅张瑞杰陈倩伶蒙皓来临
Owner GUANGXI UNIV