ENVIRONMENTAL HEALTH & SAFETY

Environmental health & safety

Environmental health & safety

Secondary and tertiary wastewater treatment

Domestic wastewater is made up of blackwater and greywater. Blackwater is the wastewater from toilets. Greywater is the wastewater from washing laundry, baths and showers, and sink water with food wastes removed. Wastewater treatment plants are hydrotechnical facilities focused on the reduction of pollution loads found in wastewater to a level. That ensures safe discharge into recipient water bodies. These plants tend to attempt to mimic, and intensify, the self-purification processes outlined earlier. Depending on the exact technology applied, we may distinguish the following types of treatment method: ...