News
24
2022
-
10
Application of MBR membrane in wastewater treatment of traditional Chinese medicine
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In recent years, with the development of traditional Chinese medicine and Chinese patent medicine pharmaceutical enterprises, the wastewater discharged by enterprises has become one of the serious pollution sources. Traditional Chinese medicine production enterprises will produce a large amount of wastewater in the process of raw material washing, drug extraction and washing. The wastewater has the characteristics of high concentration of organic pollutants, high content of suspended solids, high chroma and good biodegradability. How to effectively treat this kind of wastewater has become a difficult problem in the field of environmental protection.
The common treatment methods of traditional Chinese medicine wastewater include physical and chemical method, biological method and chemical method, among which biological method is used more, but with the improvement of environmental protection requirements, the treatment effect of traditional biological method is not obvious.
MBR membrane bioreactor is the use of efficient separation of membrane, the combination of membrane and biological methods, get rid of the traditional secondary pool process, the membrane can be suspended solid-liquid efficient separation, higher filtration accuracy, while the amount of residual sludge is almost zero, easy operation and management, can be directly online cleaning, the level of the operator is low.
In addition, compared with the traditional biochemical process, MBR membrane simplifies the wastewater treatment process and shortens the hydraulic retention time on the premise of ensuring that the effluent meets the standard. The water can reach a certain reuse standard, which can save energy and consumption, save water, and to a certain extent, Reduce the operating cost, for Chinese medicine enterprises, A unique treatment process has been formed in the transformation of some of the original production process equipment and the construction of water treatment equipment.
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