Soil conditioning products from organic waste
AssigneeIndian Institute of Technology Bombay
InventorsHariharan S. Shankar, Biplab R. Pattanaik, Uday S. Bhawalkar
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Abstract
A process for conversion of organic wastes into biofertilizers such as soil conditioning agents of fertilizer grade, culture grade and soil grade is provided. Also provided is a process for conversion of organic wastes into material for converting waste water into reusable water. The invention provides methods for conversion of organic solid wastes to biofertilizers and reusable water in the presence of a geophagus earthworm Pheretima elongata culure to produce a variety of valuable soil conditioning products and reusable water.
Claims32
A biofertilizer comprising a material comprising organic waste contacted with a geophagous earthworm Pheretima elongata culture under conditions wherein said material is converted to a biofertilizer by said geophagous earthworm Pheretima elongata culture, wherein the Pheretima elongata culture is prepared by a process comprising:
- (a) providing the geophagous earthworm Pheretima elongata;
- (b) providing a covered green space;
- (c) adding said geophagous earthworm Pheretima elongata to said green space;
- and (d) providing conditions for said geophagous earthworm Pheretima elongata culture to develop, wherein said geophagous earthworm Pheretima elongata culture is provided as a biofilter medium, and wherein said biofilter medium further comprises (i) a bacteria culture;
- and (ii) a mineral source under controlled moisture content.
A geophagus earthworm Pheretima elongata culture having the characteristics of a geophagus earthworm Pheretima elongata culture prepared by a process comprising:
- adding a geophagus earthworm Pheretima elongata to a green space under conditions for said geophagus earthworm Pheretima elongata culture to develop, wherein said geophagous earthworm Pheretima elongata culture is harvested by sieving as powder of less than about 500 micron size.
A green space comprising an area created or preserved for the purpose of growing living things, said green space having the characteristics of a green space prepared by:
- adding organics to a soil surface, said organics between about 20 and 30 g/m2 of the soil;
- maintaining a moisture level between about 30 and 40% in said green space;
- and
- adding a mineral source at a rate of between about 5 and 10 g/m2 of the soil per day.
A reusable water having the characteristics of a resuable water prepared by a process comprising contacting waste water contacted with a geophagus earthworm Pheretima elongata culture under conditions wherein said waste water is converted to a reusable water by said geophagus earthworm Pheretima elongata culture, wherein the Pheretima elongata culture is prepared by a process comprising:
- (a) providing the geophagus earthworm Pheretima elongata;
- (b) providing a covered green space;
- (c) adding said geophagus earthworm Pheretima elongata to said green space;
- and (d) providing conditions for said geophagus earthworm Pheretima elongata culture to develop, wherein said geophagous earthworm Pheretima elongata culture is provided as a biofilter medium, and wherein said biofilter medium further comprises (i) a bacteria culture;
- and (ii) a mineral source under controlled moisture content.
Dependencies are inferred from the claim text.