Beer industry producing wastewater
1. Change the biodegradability of raw water and convenient maintenance.

2. Biochemical reaction has large thrust and high efficiency.

3. Removes the nitrogen and phosphorus efficiently, and reduce the COD and BOD significantly.

4. High efficiency, continuously remove sludge from sewage to avoid the sludge swelling.

5. Processing efficiently, good cleaning level, small consumption and management costs, and easy to operate.






Beer industry wastewater mainly contains organic substances such as sugars and alcohols. The concentration of organic matter is high. Although it is non-toxic, it is prone to corruption,which would consume a large amount of dissolved oxygen if discharging it into the water without treatment, causing serious harm problems to the water environment. The treatment mechanisms of contaminants in wastewater are highly dependent on the design and operational characteristics of the wastewater treatment plants (WWTPS).
Working process:


Hydrolysis acidification
The anaerobic biological reaction will be controlled in the hydrolysis and the acidification stage. By the reaction of anaerobic and facultative bacteria in the hydrolysis and acidification stages, the suspended solids and refractory macromolecular substances in the sewage will be hydrolyzed into dissolved organic substances and easily degradable small molecular substances, then the small molecule organic matter will be converted to volatile fatty acids by the action of acidified bacteria.
Advantages: Low cost and convenient maintenance;
                     Change the biodegradability of raw water.
                     No bad smell of anaerobic fermentation
                      Reduce sludge quantity
SBR:
Sequencing batch reactor, the system is in intermittent sequential arrangement during the operating, it is divided into 5 stages: influent, reaction, precipitation, effluent, downtime.
Advantages: Simple process, low operating cost.
                      Biochemical reaction has large thrust and high efficiency.
                      Removes the nitrogen and phosphorus efficiently.
                      Avoid the sludge swelling

Biochemical treatment

Design load

Sludge concentration

Oxygen demand
(KgO2/KgBOD)

Solid waste production

BOD removal rate
(%)

Hydrolysis acidification

KgBOD/(m3.d)
0.25-1.0

/

0

/

15-30

SBR

KgBOD/Kg-ss.d
0.05-0.5

1.5-4g/l

1.5--2.5

Kg-ss/Kg-BOD5
0.5-1.0

80-95

Remark: Temperature:25;  Air:1.16Kg/m3;  O2:21%


Application:

Beer industry
Wine processing plant
Alcohol processing plant
Beverage processing plant
Microbial fermentation industry
Contaminant removal rate of hydrolysis acidification:

Waste water type

Raw water quality

Contaminant removal rate

Hydraulic retention
 time
H

SS*

CODCr

BOD5

Food industry wastewater

Non-dissolving COD>60%

50%-80%

30%-50%

20%-40%

2 to 6

 

 

 

 

 


Contaminant removal rate of SBR

Waste water type

Working process

Contaminant removal rate

SS*

CODCr

BOD5

NH3-N

TN

TP

Urban sewage

Precipitation & SBR

70%-90%

80%-90%

80%-95%

85%-95%

60%-85%

50%-85%

Industrial wastewater

Pretreatment & SBR

70%-90%

70%-90%

70%-90%

85%-95%

55%-85%

50%-85%

 







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