Liquid purification or separation – With gas-liquid surface contact means – With separator
Patent
1979-01-09
1980-07-22
Castel, Benoit
Liquid purification or separation
With gas-liquid surface contact means
With separator
210167, 210170, 41111, 41116, 4DIG12, 4318, C02C 104
Patent
active
042138647
ABSTRACT:
A combination of a biological dry toilet and a biological waste water purifying plant. The combination comprises a tank for composting waste, a means for change of air in the tank, and a sludge sedimentation tank. A biofilter is provided through which the water to be purified is circulated. The combination comprises in addition a means for change of air in the biolfilter, a means for circulating the water to be purified in the biofilter, a means for removing the purified water from the sludge sedimentation tank, a means for removing the sludge from the lower part of the sedimentation tank, a means for feeding the water to be purified through the dry toilet, and a means for mechanically purifying said water in the dry toilet. An equalizing basin is included in the waste water purifying plant, the dry toilet being at least partly submerged in said basin.
REFERENCES:
patent: 3136608 (1964-06-01), Lindstrom
patent: 3175887 (1965-03-01), van den Berg
patent: 4087869 (1978-05-01), Billsund
patent: 4107795 (1978-08-01), Carter et al.
AGA Heating AB
Asko-Upo Oy
Castel Benoit
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