JPS6035200B2 - 硬水の緩徐軟化法 - Google Patents

硬水の緩徐軟化法

Info

Publication number: JPS6035200B2
Authority: JP; Japan
Prior art keywords: water; reaction zone; precipitation; nuclei; zone
Prior art date: 1975-03-19
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

JP51028687A

Other languages

English (en)

Japanese (ja)

Other versions

JPS51128832A (en

Inventor

ノルベルト・ベルレンバツハ

フエルデイナント・クレグラーフ

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.)

PASABANTO UERUKE MITSUHIERUBATSUHIERU HYUTSUTE

Original Assignee

PASABANTO UERUKE MITSUHIERUBATSUHIERU HYUTSUTE

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.)

1975-03-19

Filing date

1976-03-18

Publication date

1985-08-13

1976-03-18 Application filed by PASABANTO UERUKE MITSUHIERUBATSUHIERU HYUTSUTE filed Critical PASABANTO UERUKE MITSUHIERUBATSUHIERU HYUTSUTE

1976-11-10 Publication of JPS51128832A publication Critical patent/JPS51128832A/ja

1985-08-13 Publication of JPS6035200B2 publication Critical patent/JPS6035200B2/ja

Status Expired legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims description 22
239000008233 hard water Substances 0.000 title description 2
238000006243 chemical reaction Methods 0.000 claims description 40
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
238000001556 precipitation Methods 0.000 claims description 17
238000005189 flocculation Methods 0.000 claims description 9
230000016615 flocculation Effects 0.000 claims description 9
150000003839 salts Chemical class 0.000 claims description 7
239000000126 substance Substances 0.000 claims description 5
238000011282 treatment Methods 0.000 claims description 5
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 4
239000003795 chemical substances by application Substances 0.000 claims description 3
239000002178 crystalline material Substances 0.000 claims description 3
230000001376 precipitating effect Effects 0.000 claims description 3
150000001340 alkali metals Chemical class 0.000 claims description 2
239000000701 coagulant Substances 0.000 claims description 2
229910052751 metal Inorganic materials 0.000 claims description 2
239000002184 metal Substances 0.000 claims description 2
229910000272 alkali metal oxide Inorganic materials 0.000 claims 1
229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 claims 1
238000002474 experimental method Methods 0.000 claims 1
239000002244 precipitate Substances 0.000 claims 1
239000000047 product Substances 0.000 claims 1
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 41
229910000019 calcium carbonate Inorganic materials 0.000 description 22
238000002156 mixing Methods 0.000 description 11
239000011575 calcium Substances 0.000 description 7
AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 7
ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 6
229910021645 metal ion Inorganic materials 0.000 description 6
239000000920 calcium hydroxide Substances 0.000 description 5
235000011116 calcium hydroxide Nutrition 0.000 description 5
150000001875 compounds Chemical class 0.000 description 5
235000008733 Citrus aurantifolia Nutrition 0.000 description 4
235000011941 Tilia x europaea Nutrition 0.000 description 4
229910001861 calcium hydroxide Inorganic materials 0.000 description 4
230000001747 exhibiting effect Effects 0.000 description 4
239000004571 lime Substances 0.000 description 4
239000004579 marble Substances 0.000 description 4
239000008267 milk Substances 0.000 description 4
210000004080 milk Anatomy 0.000 description 4
235000013336 milk Nutrition 0.000 description 4
238000004062 sedimentation Methods 0.000 description 4
239000010802 sludge Substances 0.000 description 4
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
239000000292 calcium oxide Substances 0.000 description 3
235000012255 calcium oxide Nutrition 0.000 description 3
239000007787 solid Substances 0.000 description 3
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
230000002776 aggregation Effects 0.000 description 2
238000004220 aggregation Methods 0.000 description 2
229910052791 calcium Inorganic materials 0.000 description 2
238000007796 conventional method Methods 0.000 description 2
239000002253 acid Substances 0.000 description 1
229910052783 alkali metal Inorganic materials 0.000 description 1
150000008044 alkali metal hydroxides Chemical class 0.000 description 1
239000002585 base Substances 0.000 description 1
229910000020 calcium bicarbonate Inorganic materials 0.000 description 1
229940043430 calcium compound Drugs 0.000 description 1
150000001674 calcium compounds Chemical class 0.000 description 1
150000004649 carbonic acid derivatives Chemical class 0.000 description 1
238000005345 coagulation Methods 0.000 description 1
230000015271 coagulation Effects 0.000 description 1
239000011362 coarse particle Substances 0.000 description 1
238000010586 diagram Methods 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
238000001914 filtration Methods 0.000 description 1
239000010419 fine particle Substances 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
239000002054 inoculum Substances 0.000 description 1
FLTRNWIFKITPIO-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe] FLTRNWIFKITPIO-UHFFFAOYSA-N 0.000 description 1
239000000463 material Substances 0.000 description 1
239000013081 microcrystal Substances 0.000 description 1
239000013080 microcrystalline material Substances 0.000 description 1
238000003541 multi-stage reaction Methods 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
239000000843 powder Substances 0.000 description 1
229940088417 precipitated calcium carbonate Drugs 0.000 description 1
238000000746 purification Methods 0.000 description 1
230000035484 reaction time Effects 0.000 description 1
238000004064 recycling Methods 0.000 description 1
239000004576 sand Substances 0.000 description 1
238000000926 separation method Methods 0.000 description 1
239000004575 stone Substances 0.000 description 1
239000000725 suspension Substances 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- 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
- C02F5/02—Softening water by precipitation of the hardness
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment 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)

JP51028687A 1975-03-19 1976-03-18 硬水の緩徐軟化法 Expired JPS6035200B2 (ja)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE2512107.7		1975-03-19
DE2512107A DE2512107B2 (de)	1975-03-19	1975-03-19	Verfahren zur Langsamentkarbonisierung von Wasser

Publications (2)

Publication Number	Publication Date
JPS51128832A JPS51128832A (en)	1976-11-10
JPS6035200B2 true JPS6035200B2 (ja)	1985-08-13

Family

ID=5941850

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP51028687A Expired JPS6035200B2 (ja)	1975-03-19	1976-03-18	硬水の緩徐軟化法

Country Status (11)

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

Families Citing this family (8)

* 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 (fr) *	1981-03-24	1985-01-29	Alban Timmons	Methode et agent de conditionnement des systemes aqueux
ATE43128T1 (de) *	1983-05-27	1989-06-15	Johnson Filtration Systems	Enthaertung mittels kalk und querstrommikrofiltration.
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
CN112142220B (zh) *	2019-06-28	2025-01-14	中国瑞林工程技术股份有限公司	软化废水的系统和方法
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

1975
- 1975-03-19 DE DE2512107A patent/DE2512107B2/de not_active Ceased
1976
- 1976-02-24 CH CH222876A patent/CH621753A5/de not_active IP Right Cessation
- 1976-02-27 SE SE7602633A patent/SE422320B/xx unknown
- 1976-03-10 BE BE165017A patent/BE839395A/fr unknown
- 1976-03-16 CA CA248,134A patent/CA1056521A/fr not_active Expired
- 1976-03-16 NL NL7602741A patent/NL7602741A/xx not_active Application Discontinuation
- 1976-03-17 GB GB10756/76A patent/GB1501335A/en not_active Expired
- 1976-03-17 IT IT09376/76A patent/IT1060944B/it active
- 1976-03-18 JP JP51028687A patent/JPS6035200B2/ja not_active Expired
- 1976-03-18 FR FR7607801A patent/FR2304573A1/fr active Granted
- 1976-03-18 ES ES446176A patent/ES446176A1/es not_active Expired

Also Published As

Publication number	Publication date
FR2304573A1 (fr)	1976-10-15
SE422320B (sv)	1982-03-01
CH621753A5 (en)	1981-02-27
IT1060944B (it)	1982-09-30
DE2512107B2 (de)	1979-06-28
GB1501335A (en)	1978-02-15
BE839395A (fr)	1976-07-01
SE7602633L (sv)	1976-09-20
DE2512107A1 (de)	1976-10-14
ES446176A1 (es)	1977-06-01
CA1056521A (fr)	1979-06-12
FR2304573B1 (fr)	1980-05-16
NL7602741A (nl)	1976-09-21
JPS51128832A (en)	1976-11-10

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