123In the United States, the disinfection methods for hospital sewage treatment are mainly divided into two categories: one is the disinfectant prepared on-site, such as sodium hypochlorite generator and chemical chlorine dioxide dosing device; the other is to directly purchase ready-made disinfectants, such as liquid chlorine or high-concentration sodium hypochlorite solution. As long as the treatment process is reasonable and the dosage ratio is accurate, no matter which method is used, bacteria can be effectively killed.
How to choose the right disinfection method?

On the premise of ensuring that the sewage meets the discharge standards, the selection of disinfection equipment depends on the following points:
Safety-there should be no risk of toxic gas leakage, combustion or explosion.
Cost-the treatment cost per ton of sewage should be low, including raw materials, water, electricity and labor, and too many resources should not be wasted.
Equipment life-the equipment should be durable and the maintenance cost should be low.
Automation-the simpler the operation, the better, reducing labor costs.
After-sales service-there must be reliable technical support.
Comparison of three common disinfection methods
1. Direct cost comparison
On-site preparation of sodium hypochlorite vs. on-site preparation of chlorine dioxide vs. commercially available sodium hypochlorite solution
(Specific cost data may vary depending on the region and supplier)
2. Equipment life and maintenance cost
Chlorine dioxide equipment is generally more durable and has lower maintenance costs.
3. Safety
The raw materials used for on-site preparation of chlorine dioxide are sodium chlorate and hydrochloric acid, and sodium chlorate is flammable and explosive, and has even been used by criminals to make explosives (for example, when terrorists cannot buy real explosives, they use sodium chlorate to make their own). So be especially careful when storing and using it.
4. Automation and difficulty of operation
Chlorine dioxide dosing equipment has a high degree of automation, which can greatly reduce labor costs, making it easier for hospitals to use, and the sewage treatment effect is more stable.
In recent years, more than 150 hospitals in the United States have installed chlorine dioxide disinfection equipment, mainly because this method is both economical and convenient.
Summary
Each disinfection method has advantages and disadvantages. The key is to choose according to your needs and economic conditions. As long as environmental protection standards are met and the right equipment is selected, hospital sewage treatment can be both safe and efficient.
Shandong Huashi Pharmaceutical Co., Ltd. hopes that the sewage treatment transformation of American hospitals will go smoothly and make environmental protection technology the forefront of the world!