Bacteria and viruses are removed or killed by disinfection and sterilization. Disinfection destroys all harmful microorganisms, while sterilization kills all living organisms. Disinfection of drinking water protects public health by preventing microorganism growth in the pipelines. Disinfection of wastewater treatment effluents protects marine life. Sterilization provides water suitable for medical and pharmaceutical use. Numerous disinfection and sterilization techniques are available, and Tables 8.2.10 and 8.2.11 compare the effectiveness, advantages, and disadvantages.
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