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tertiary treatment
sanitation engineering
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sewage treatment
- In wastewater treatment: Wastewater treatment and disposal
…phosphate levels must be reduced, tertiary treatment methods are used. Tertiary processes can remove more than 99 percent of all the impurities from sewage, producing an effluent of almost drinking-water quality. Tertiary treatment can be very expensive, often doubling the cost of secondary treatment. It is used only under special…
Read More - In wastewater treatment: Tertiary treatment
When the intended receiving water is very vulnerable to the effects of pollution, secondary effluent may be treated further by several tertiary processes.
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