Medical wastewater treatment method

Abstract

The invention discloses a medical wastewater treatment method and relates to the technical field of medical wastewater treatment. The medical wastewater treatment method comprises steps as follows: medical wastewater is collected and disinfected with a chemical disinfectant; the medical wastewater is subjected to primary filtration treatment to remove large-particle impurities; the pH of the medical wastewater is adjusted to 6.5-8; anaerobic-aerobic treatment is performed on the medical wastewater; flocculation and sedimentation are performed on the medical wastewater; the medical wastewater is discharged to reach the standard after complete precipitation, and precipitates are treated in a concentrated manner after being collected. According to the provided medical wastewater treatment method, firstly, the medical wastewater is disinfected and sterilized to kill pathogenic microorganisms in the medical wastewater, diffusion of the pathogenic microorganisms in the treatment process is avoided, secondary pollution caused by pathogenic microorganisms to medical wastewater in following batches is avoided, and the risk of diffusion of the pathogenic microorganisms is reduced. Disinfection and sterilization are performed in a chemical manner, the killing efficiency for the pathogenic microorganisms is high and the effect is good.

Description

technical field [0001] The invention relates to the field of medical wastewater treatment, in particular to a treatment method for medical wastewater. Background technique [0002] With the vigorous development of my country's medical industry, the amount of medical wastewater is also increasing. Medical wastewater is mainly discharged from medical consultation rooms, laboratories, wards, laundry rooms and operating rooms, and its sources and components are very complex. Hospital wastewater contains a large number of pathogenic bacteria, viruses and chemical agents, such as drugs, disinfectants, diagnostic agents, detergents, as well as a large number of pathogenic microorganisms, parasite eggs and various viruses, such as roundworm eggs, hepatitis virus, tuberculosis bacteria and Shigella, etc. It has the characteristics of space pollution, acute infection and latent infection. Compared with industrial wastewater and domestic wastewater, it has the characteristics of sma...

AI Technical Summary

Problems solved by technology

Its shortcomings are: (1) The treatment process is unreasonable; pathogenic microorganisms are often treated in the last step, causing pathogenic microorganisms to easily remain in the previous device, causing secondary pollution to the subsequent batch of medical wastewater, and increasing Risk of spread of pathogenic microorganisms

(2) High-temperature sterilization and filter sterilization cannot effectively kill various bacteria and viruses in medical wastewater, and the effect is not ideal