C
CHEMISTRY; METALLURGY
C02
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
C02F2103/08
Seawater, e.g. for desalination