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C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
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FR358991D1904-09-231905-09-22Procédé et appareil pour la purification de l'eau
ExpiredFR358991A
(fr)
Procédé et appareil pour clarifier les eaux résiduaires provenant du lavage des céréales, respectivement pour recouvrer les substances utilisables qui y sont contenues