copy and paste this google map to your website or blog!
Press copy button and paste into your blog or website.
(Please switch to 'HTML' mode when posting into your blog. Examples: WordPress Example, Blogger Example)
Input Form:Deal with this potential dealer,buyer,seller,supplier,manufacturer,exporter,importer
(Any information to deal,buy, sell, quote for products or service)
Wastewater treatment - Sedimentation, Filtration, Clarification . . . Removal of soluble organic matter at the treatment plant helps to protect the dissolved oxygen balance of a receiving stream, river, or lake There are three basic biological treatment methods: the trickling filter, the activated sludge process, and the oxidation pond
How Is Sewage Transformed into Drinkable Water? | Britannica Let's look at the four main stages of water treatment to see how wastewater goes from polluted to pure In order, the stages are physical treatment, biological treatment, filtration, and disinfection In the physical treatment stage, various materials are physically removed from wastewater
Wastewater treatment - Flow Rates, Pollutants, Purification | Britannica There are three levels of wastewater treatment: primary, secondary, and tertiary (or advanced) Primary treatment removes about 60 percent of total suspended solids and about 35 percent of BOD; dissolved impurities are not removed
Wastewater treatment - Oxidation, Pond, Pollutants | Britannica Wastewater treatment - Oxidation, Pond, Pollutants: Oxidation ponds, also called lagoons or stabilization ponds, are large, shallow ponds designed to treat wastewater through the interaction of sunlight, bacteria, and algae
Wastewater treatment - Dewatering, Filtration, Disinfection | Britannica Given that wastewater is rich in nutrients and other chemicals, sewage treatment facilities have gained recognition as resource recovery facilities, overcoming their former reputation as mere pollution mitigation entities
Wastewater treatment - Sludge, Disposal, Treatment | Britannica Newer technologies and approaches have continued to improve the efficiency by which energy, nutrients, and other chemicals are recovered from treatment plants, helping create a sustainable market and becoming a revenue generation source for wastewater processing facilities
Wastewater treatment - Cluster, Pollutants, Reuse | Britannica In certain instances when it is not feasible to connect residences or units to public sewer systems, communities may opt for a clustered wastewater treatment system Such facilities are smaller versions of centralized treatment plants and serve only a limited number of connections