JPH0333398B2 - - Google Patents

Info

Publication number: JPH0333398B2
Authority: JP; Japan
Prior art keywords: fluorine; added; wastewater; precipitate; salt
Prior art date: 1987-05-29
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

JP13189487A

Other languages

English (en)

Japanese (ja)

Other versions

JPS63296890A (ja

Inventor

Nobuko Hashimoto

Ichiro Nakajima

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.)

Hitachi Ltd

Original Assignee

Hitachi Plant Engineering and Construction Co 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.)

1987-05-29

Filing date

1987-05-29

Publication date

1991-05-16

1987-05-29 Application filed by Hitachi Plant Engineering and Construction Co Ltd filed Critical Hitachi Plant Engineering and Construction Co Ltd

1987-05-29 Priority to JP13189487A priority Critical patent/JPS63296890A/ja

1988-12-02 Publication of JPS63296890A publication Critical patent/JPS63296890A/ja

1991-05-16 Publication of JPH0333398B2 publication Critical patent/JPH0333398B2/ja

Status Granted legal-status Critical Current

Links

239000011737 fluorine Substances 0.000 claims description 21
229910052731 fluorine Inorganic materials 0.000 claims description 21
XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 claims description 21
239000002351 wastewater Substances 0.000 claims description 16
239000002244 precipitate Substances 0.000 claims description 12
150000003839 salts Chemical class 0.000 claims description 12
238000000034 method Methods 0.000 claims description 10
159000000007 calcium salts Chemical class 0.000 claims description 5
239000003795 chemical substances by application Substances 0.000 claims description 3
239000000047 product Substances 0.000 claims description 2
PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
238000004065 wastewater treatment Methods 0.000 claims 1
YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 20
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 4
229910001634 calcium fluoride Inorganic materials 0.000 description 4
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
229960004887 ferric hydroxide Drugs 0.000 description 3
IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 description 3
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
239000001110 calcium chloride Substances 0.000 description 2
229910001628 calcium chloride Inorganic materials 0.000 description 2
OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
238000006243 chemical reaction Methods 0.000 description 2
239000007788 liquid Substances 0.000 description 2
238000001556 precipitation Methods 0.000 description 2
238000000926 separation method Methods 0.000 description 2
KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
229910000019 calcium carbonate Inorganic materials 0.000 description 1
238000000975 co-precipitation Methods 0.000 description 1
238000010586 diagram Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
150000002505 iron Chemical class 0.000 description 1
RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
230000001376 precipitating effect Effects 0.000 description 1

Landscapes

Separation Of Suspended Particles By Flocculating Agents (AREA)
Removal Of Specific Substances (AREA)

JP13189487A 1987-05-29 1987-05-29 廃水の処理方法 Granted JPS63296890A (ja)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP13189487A JPS63296890A (ja)	1987-05-29	1987-05-29	廃水の処理方法

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP13189487A JPS63296890A (ja)	1987-05-29	1987-05-29	廃水の処理方法

Publications (2)

Publication Number	Publication Date
JPS63296890A JPS63296890A (ja)	1988-12-02
JPH0333398B2 true JPH0333398B2 (de)	1991-05-16

Family

ID=15068639

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP13189487A Granted JPS63296890A (ja)	1987-05-29	1987-05-29	廃水の処理方法

Country Status (1)

Country	Link
JP (1)	JPS63296890A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN103896380B (zh) *	2014-04-01	2015-09-16	安庆丰源化工有限公司	一种高效去除氨氮的精细化工废水处理剂

1987
- 1987-05-29 JP JP13189487A patent/JPS63296890A/ja active Granted

Also Published As

Publication number	Publication date
JPS63296890A (ja)	1988-12-02

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Legal Events

Date	Code	Title	Description
2006-05-16	LAPS	Cancellation because of no payment of annual fees