Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Degussa GmbH, Deutsche Gold und Silber ScheideanstaltfiledCriticalDegussa GmbH
Application grantedgrantedCritical
Publication of FR1209958ApublicationCriticalpatent/FR1209958A/fr
C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C02F1/00—Treatment of water, waste water, or sewage
C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
C—CHEMISTRY; METALLURGY
C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C02F2101/00—Nature of the contaminant
C02F2101/10—Inorganic compounds
C02F2101/16—Nitrogen compounds, e.g. ammonia
C02F2101/18—Cyanides
C—CHEMISTRY; METALLURGY
C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C02F2101/00—Nature of the contaminant
C02F2101/10—Inorganic compounds
C02F2101/20—Heavy metals or heavy metal compounds
C02F2101/22—Chromium or chromium compounds, e.g. chromates
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Life Sciences & Earth Sciences
(AREA)
Hydrology & Water Resources
(AREA)
Engineering & Computer Science
(AREA)
Environmental & Geological Engineering
(AREA)
Water Supply & Treatment
(AREA)
Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR1209958D1957-07-171958-05-22Procédé d'assainissement et de neutralisation d'eaux résiduaires et installation pour sa mise en oeuvre
ExpiredFR1209958A
(fr)