A wastewater treatment process for treating wastewater comprising a water-based dispersion containing a surfactant, a colorant and silica, as well as other solid matter, wherein the wastewater is treated using a polysilicato-iron coagulant.
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By recovering nutrients from urine in small decentralized reactors, we developed a dry sanitation system, which is affordable, produces a valuable fertilizer, promotes entrepreneurship and reduces pollution of water resources.Stage of development : At usable levelProject Record: In Zurich at Eawag.....
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A collective water pumping system for domestic use and/or irrigation purposes in areas with no grid power or erratic supply of power from grid. An array of solar panels connected in series and parallel configuration generates the power and voltage required for the ATV312 Solar unit to drive the moto.....
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Microsol helps micro producers in the food, textile and paper industries with processing their raw materials by automating some of their processes, e.g. drying, washing, pasteurization, etc., or in the tertiary sector such as tourist industry by providing the energy needed for many premium services,.....
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SOLUTION: A well hole 42 is dug in a contaminated region up to the depth below the surface of underground water and first and second perforated vertical conduits 53, 44 are introduced into the well hole up to the depth below the surface of underground water in a doubly arranged state and first and s.....
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