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Hospital (medical) sewage treatment
With the development of public health, the number of various types of hospitals in China has increased rapidly, and for a long time, the treatment of hospital sewage has been a weak link in the prevention and control of environmental pollution in China. The sewage produced by the hospital contains a large number of bacteria, viruses and other pathogenic microorganisms, which has the risk of space pollution, acute transmission and latent pollution.
Hospital (medical) sewage mainly comes from hospital wards, diagnosis and treatment rooms, laboratories, laundry rooms, operating rooms, etc. The sewage contains a large number of pathogenic bacteria and viruses, which are highly polluting and infectious. Traditional medical wastewater treatment mostly uses biological contact oxidation, activated sludge process and other processes, but there are widespread problems such as the fluctuation of effluent water quality caused by biofilm shedding and the influence of suspended solids on disinfection effect. With the continuous development of membrane technology, membrane bioreactor (MBR) has gradually become the mainstream process of medical wastewater treatment. Due to the efficient interception of the membrane, the MBR effluent water quality is excellent and stable, and has a good removal effect on bacteria, viruses, suspended solids, etc.
The existing engineering practice shows that the Qingda Guohua flat membrane MBR system has the following advantages in hospital sewage treatment:
1) Effective interception of pathogenic microorganisms, more stability in the removal of viruses, to ensure the stability of the effluent water quality hygiene indicators;
2) Good removal effect of pathogenic microorganisms, NH4-N and other pollutants;
3) Compared with the traditional hospital sewage treatment process, the flat membrane MBR process can effectively save disinfectants and reduce the use of disinfectants to 5%-10%;
The reaction time is shortened to 2.5-5% of the regular process, which is of positive significance to reduce the operating cost of the disinfection process, reduce the residue of disinfection by-products and disinfectants, and reduce the ecological risk.
4) Shorten the reaction time to 2.5-5% of the regular process, which is of positive significance to reduce the operating cost of the disinfection process, reduce disinfection by-products and disinfectant residues, and reduce ecological risks.
Contact:
Main Address: Jiahua Building, Zhongguancun Science Park, Beijing, China
Factory address:Beijing Economic and Technological Development Zone
Main Office: +86 10 62980139
Fax: +86 10 62981418
Tel：+86 10 153 0133 0853
office(US)：+1 919 666 7251
E-mail:ghm@gohigher.cn
Website:http://en.gohigher-m.cn