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  2. Aerobic treatment system - Wikipedia

    en.wikipedia.org/wiki/Aerobic_treatment_system

    An aerobic treatment system ( ATS ), often called an aerobic septic system, is a small scale sewage treatment system similar to a septic tank system, but which uses an aerobic process for digestion rather than just the anaerobic process used in septic systems. These systems are commonly found in rural areas where public sewers are not available ...

  3. Aerobic granulation - Wikipedia

    en.wikipedia.org/wiki/Aerobic_granulation

    These systems generally require large surface areas for treatment and biomass separation units due to the generally poor settling properties of the sludge. Aerobic granules are a type of sludge that can self-immobilize flocs and microorganisms into spherical and strong compact structures. The advantages of aerobic granular sludge are excellent ...

  4. Trickling filter - Wikipedia

    en.wikipedia.org/wiki/Trickling_filter

    Trickling filter. A trickling filter is a type of wastewater treatment system. It consists of a fixed bed of rocks, coke, gravel, slag, polyurethane foam, sphagnum peat moss, ceramic, or plastic media over which sewage or other wastewater flows downward and causes a layer of microbial slime ( biofilm) to grow, covering the bed of media.

  5. Aerobic digestion - Wikipedia

    en.wikipedia.org/wiki/Aerobic_digestion

    Aerobic digestion. Aerobic digestion is a process in sewage treatment designed to reduce the volume of sewage sludge and make it suitable [ 1] for subsequent use. [ 2] More recently, technology has been developed that allows the treatment and reduction of other [ 3] organic waste, such as food, cardboard and horticultural waste.

  6. This in-home water recycler is meant to help the planet, and ...

    www.engadget.com/2020-01-08-hydraloop-home-water...

    At $4,000 per unit, Hydraloops aren't exactly cheap, but those recurring monthly water savings should help recoup that initial investment over time. And honestly, with the earth in the condition ...

  7. Vermifilter - Wikipedia

    en.wikipedia.org/wiki/Vermifilter

    Vermifilter. A vermifilter (also vermi-digester or lumbrifilter) is an aerobic treatment system, consisting of a biological reactor containing media that filters organic material from wastewater. The media also provides a habitat for aerobic bacteria and composting earthworms that purify the wastewater by removing pathogens and oxygen demand ...

  8. Water recycling technologies developed for space are helping ...

    www.engadget.com/water-recycling-technologies...

    In California, for example, the four billion gallons of wastewater generated daily from the state’s homes and businesses, storm drain and roof-connected runoff, makes its way through more than ...

  9. Activated sludge - Wikipedia

    en.wikipedia.org/wiki/Activated_sludge

    The white bubbles are due to the diffused air aeration system. The activated sludge process is a type of biological wastewater treatment process for treating sewage or industrial wastewaters using aeration and a biological floc composed of bacteria and protozoa. It is one of several biological wastewater treatment alternatives in secondary ...

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