C
CHEMISTRY; METALLURGY
C
CHEMISTRY; METALLURGY
C02
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C02
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C02F
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C02F
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1/00
Treatment of water, waste water, or sewage
1/00
Treatment of water, waste water, or sewage
C02F1/44
by dialysis, osmosis or reverse osmosis
C02F1/44
by dialysis, osmosis or reverse osmosis
C02F1/445
by forward osmosis
C02F1/445
by forward osmosis