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
C02F2103/00
Nature of the water, waste water, sewage or sludge to be treated
C02F2103/00
Nature of the water, waste water, sewage or sludge to be treated