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
2101/00
Nature of the contaminant
2101/00
Nature of the contaminant
C02F2101/10
Inorganic compounds
C02F2101/10
Inorganic compounds
C02F2101/20
Heavy metals or heavy metal compounds
C02F2101/20
Heavy metals or heavy metal compounds