FR439881A - Improvements in water treatment - Google Patents

Improvements in water treatment

Info

Publication number
FR439881A
FR439881A FR439881DA FR439881A FR 439881 A FR439881 A FR 439881A FR 439881D A FR439881D A FR 439881DA FR 439881 A FR439881 A FR 439881A
Authority
FR
France
Prior art keywords
water treatment
treatment
water
Prior art date
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.)
Expired
Application number
Other languages
French (fr)
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.)
WATER SOFTENERS FRANCE Ltd
Original Assignee
WATER SOFTENERS FRANCE Ltd
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 WATER SOFTENERS FRANCE Ltd filed Critical WATER SOFTENERS FRANCE Ltd
Application granted granted Critical
Publication of FR439881A publication Critical patent/FR439881A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • 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
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
FR439881D 1912-02-08 1912-02-08 Improvements in water treatment Expired FR439881A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR439881T 1912-02-08

Publications (1)

Publication Number Publication Date
FR439881A true FR439881A (en) 1912-06-26

Family

ID=1481276

Family Applications (1)

Application Number Title Priority Date Filing Date
FR439881D Expired FR439881A (en) 1912-02-08 1912-02-08 Improvements in water treatment

Country Status (1)

Country Link
FR (1) FR439881A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2207870A1 (en) * 1972-11-29 1974-06-21 Lewandowski Raymond Waste water treatment plant - using reaction between the water and amalgam of aluminium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2207870A1 (en) * 1972-11-29 1974-06-21 Lewandowski Raymond Waste water treatment plant - using reaction between the water and amalgam of aluminium

Similar Documents

Publication Publication Date Title
FR439881A (en) Improvements in water treatment
FR439883A (en) Improvements in water treatment
FR439884A (en) Improvements in water treatment
FR439882A (en) Improvements in water treatment
FR444102A (en) Condensation water trap
FR486090A (en) Improvements relating to water purification
FR453150A (en) Improvements in devices for pumping water
FR472379A (en) Improvements in water sterilizers
FR433883A (en) Improvements in sewage treatment
FR557548A (en) Improvements made to the construction of ozone generators used in water purification installations
FR486401A (en) Improvements in the treatment of water, black water and their analogues
FR426308A (en) Improvements in water level indicators
FR481744A (en) Grid for water purification
FR486879A (en) Improvements in water electrolysis devices
FR484594A (en) Improvements in the treatment of metal waste
FR447552A (en) Peat treatment process to facilitate the extraction of the contained water
FR516514A (en) Improvements to water heaters
FR472315A (en) Machine chamber floating in the current of water
FR479106A (en) Improvements in the treatment of sewage and other similar materials
FR440659A (en) Improvements in the manufacture of rings or gaskets for water level glands and others
FR475856A (en) Water circulation spittoon filter
FR477448A (en) Water heater
FR500916A (en) Improvements in the use of research switches in automatic telephony
FR15641E (en) Dosing valve preventing water wastage
FR478767A (en) Improvements in the treatment of sewage and wastewater