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2. How to Clear a Clogged Sink Drain - AOL

   www.aol.com/clear-clogged-sink-drain-151500237.html

   A backed-up bathroom sink is far different from a clogged kitchen sink, which may include a garbage disposal. ... you can try to unclog a kitchen sink or bathroom sink by using the Zip-It drain ...

3. Blackwater (waste) - Wikipedia

   en.wikipedia.org/wiki/Blackwater_(waste)

   The permeability of the soil or rock layer between the treatment site and the aquifer plays a significant role in determining the potential for contaminants to reach the groundwater. Effectiveness of Treatment: The efficiency of the blackwater treatment system is of utmost importance. The treated water must adhere to stringent quality standards ...

4. Drain cleaner - Wikipedia

   en.wikipedia.org/wiki/Drain_cleaner

   Most municipal building codes mandate that drain plumbing increase in diameter as it moves closer to the municipal sewer system. i.e., most kitchen sinks evacuate water with a 1 + 1 ⁄ 2-inch drain pipe, which feeds into a larger 4-inch drain pipe on the main plumbing stack before heading to a septic tank or to the city sewage system. This ...

5. Cesspit - Wikipedia

   en.wikipedia.org/wiki/Cesspit

   A cesspit can be used for the temporary collection and storage of feces, excreta, or fecal sludge as part of an on-site sanitation system and has some similarities with septic tanks or with soak pits. Traditionally, it was a deep cylindrical chamber dug into the ground, having approximate dimensions of 1 metre (3') diameter and 2–3 metres (6 ...

6. How to Clear a Clogged Sink Drain - AOL

   www.aol.com/lifestyle/clear-clogged-sink-drain...

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7. Garbage disposal unit - Wikipedia

   en.wikipedia.org/wiki/Garbage_disposal_unit

   In the United States, 50% of homes had disposal units as of 2009, [12] compared with only 6% in the United Kingdom [13] and 3% in Canada. [14]In Britain, Worcestershire County Council and Herefordshire Council started to subsidize the purchase of garbage disposal units in 2005, in order to reduce the amount of waste going to landfill and the carbon footprint of garbage runs. [15]

8. Backwashing (water treatment) - Wikipedia

   en.wikipedia.org/wiki/Backwashing_(water_treatment)

   As a water conservation measure, many water purification plants recycle filter backwash water and other product streams from sludge treatment processes back to the beginning of the plant. [4]: 22.40–22.43 [5]: 242–3 On June 8, 2001, the USEPA released a final regulation governing acceptable practices for recycling backwash water. [10]

9. Sewage sludge treatment - Wikipedia

   en.wikipedia.org/wiki/Sewage_sludge_treatment

   Sludge treatment technologies that are used for thickening or dewatering of sludge have two products: the thickened or dewatered sludge, and a liquid fraction which is called sludge treatment liquids, sludge dewatering streams, liquors, centrate (if it stems from a centrifuge), filtrate (if it stems from a belt filter press) or similar.