CA1056521A - Process for slow softening water - Google Patents

Process for slow softening water

Info

Publication number
CA1056521A
CA1056521A CA248,134A CA248134A CA1056521A CA 1056521 A CA1056521 A CA 1056521A CA 248134 A CA248134 A CA 248134A CA 1056521 A CA1056521 A CA 1056521A
Authority
CA
Canada
Prior art keywords
water
zone
calcium carbonate
reaction zone
softened
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
CA248,134A
Other languages
English (en)
French (fr)
Inventor
Norbert Berlenbach
Ferdinand Klegraf
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.)
Aqseptence Group GmbH
Original Assignee
Passavant Werke Michelbacher Hutte
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 Passavant Werke Michelbacher Hutte filed Critical Passavant Werke Michelbacher Hutte
Application granted granted Critical
Publication of CA1056521A publication Critical patent/CA1056521A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/02Softening water by precipitation of the hardness
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
CA248,134A 1975-03-19 1976-03-16 Process for slow softening water Expired CA1056521A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2512107A DE2512107B2 (de) 1975-03-19 1975-03-19 Verfahren zur Langsamentkarbonisierung von Wasser

Publications (1)

Publication Number Publication Date
CA1056521A true CA1056521A (en) 1979-06-12

Family

ID=5941850

Family Applications (1)

Application Number Title Priority Date Filing Date
CA248,134A Expired CA1056521A (en) 1975-03-19 1976-03-16 Process for slow softening water

Country Status (11)

Country Link
JP (1) JPS6035200B2 (nl)
BE (1) BE839395A (nl)
CA (1) CA1056521A (nl)
CH (1) CH621753A5 (nl)
DE (1) DE2512107B2 (nl)
ES (1) ES446176A1 (nl)
FR (1) FR2304573A1 (nl)
GB (1) GB1501335A (nl)
IT (1) IT1060944B (nl)
NL (1) NL7602741A (nl)
SE (1) SE422320B (nl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2345396A1 (fr) * 1976-03-24 1977-10-21 Degremont Appareil de traitement des boues par recirculation, precipitation et separation des boues formees
CA1181653A (en) * 1981-03-24 1985-01-29 Alban Timmons Process and composition for conditioning an aqueous system
EP0131119B1 (en) * 1983-05-27 1989-05-17 C.P.C. Engineering Corp. Cross-flow microfiltration lime softener
DE4408862A1 (de) * 1994-03-16 1995-09-21 Passavant Werke Verfahren und Vorrichtung zur Entkarbonisierung von Rohwasser
CN106045109A (zh) * 2016-06-30 2016-10-26 华电水务工程有限公司 一种高含盐废水的处理方法及设备
CN115583704A (zh) * 2022-11-09 2023-01-10 中船第九设计研究院工程有限公司 一种黄金冶炼废水除硬预处理系统
CN115504582A (zh) * 2022-11-09 2022-12-23 中船第九设计研究院工程有限公司 一种黄金冶炼废水除硬装置

Also Published As

Publication number Publication date
FR2304573B1 (nl) 1980-05-16
GB1501335A (en) 1978-02-15
DE2512107A1 (de) 1976-10-14
CH621753A5 (en) 1981-02-27
FR2304573A1 (fr) 1976-10-15
BE839395A (fr) 1976-07-01
JPS51128832A (en) 1976-11-10
DE2512107B2 (de) 1979-06-28
ES446176A1 (es) 1977-06-01
SE422320B (sv) 1982-03-01
JPS6035200B2 (ja) 1985-08-13
IT1060944B (it) 1982-09-30
SE7602633L (sv) 1976-09-20
NL7602741A (nl) 1976-09-21

Similar Documents

Publication Publication Date Title
US3408289A (en) Method for waste water renovation
CN103813987A (zh) 含磷酸盐的废水的处理以及氟硅酸盐和磷酸盐的回收
US4209395A (en) Process for slow softening water
CN109970267A (zh) 脱硫废水分质结晶的处理方法及处理装置
US3947350A (en) Process of preparing sewage sludge for dewatering
CA1056521A (en) Process for slow softening water
US5271848A (en) Treating of waste water with bauxite to remove phosphates from the waste water
US3839199A (en) Method of softening water to provide easily drained and easily filtered precipitates
US2284827A (en) Water softening and clarification
US4166838A (en) Process for treating exhaust gases
US1653272A (en) Process of purifying water
JPS6071505A (ja) りん酸の製造方法
US2044582A (en) Water softening
US3827984A (en) Precipitating agent for water purification processes,and a method of preparing same
US9650266B2 (en) Method of treating suspended solids and heavy metal ions in sewage
CS216522B2 (en) Method of cleaning the waste waters containing dissolved organic impurities
AU597113B2 (en) Process for purifying alumina
GB1382161A (en) Method for the chemical purification of sewage
US2044583A (en) Water softening
US1823605A (en) Process of softening water
US10759685B2 (en) Water softening treatment using in-situ ballasted flocculation system
US4035293A (en) Process for treating an acidic waste water stream
US1620333A (en) Process of treating liquids
US1930792A (en) Process of treating liquids
SU1119986A1 (ru) Способ очистки жидкого навоза от взвешенных частиц