JP3905663B2 - 固液分離装置及び凝集条件決定方法 - Google Patents

固液分離装置及び凝集条件決定方法 Download PDF

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Publication number: JP3905663B2
Authority: JP; Japan
Prior art keywords: filtration; zeta potential; water; flocculant; treatment
Prior art date: 1999-04-20
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 - Fee Related

Application number

JP11178099A

Other languages

English (en)

Japanese (ja)

Other versions

JP2000300912A5 (2

JP2000300912A (ja

Inventor

邦雄海老江

友明宮ノ下

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.)

Organo Corp

Original Assignee

Organo Corp

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.)

1999-04-20

Filing date

1999-04-20

Publication date

2007-04-18

1999-04-20 Application filed by Organo Corp filed Critical Organo Corp

1999-04-20 Priority to JP11178099A priority Critical patent/JP3905663B2/ja

2000-10-31 Publication of JP2000300912A publication Critical patent/JP2000300912A/ja

2005-03-17 Publication of JP2000300912A5 publication Critical patent/JP2000300912A5/ja

2007-04-18 Application granted granted Critical

2007-04-18 Publication of JP3905663B2 publication Critical patent/JP3905663B2/ja

2019-04-20 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims description 15
238000005189 flocculation Methods 0.000 title claims description 11
239000007788 liquid Substances 0.000 title claims description 11
230000016615 flocculation Effects 0.000 title description 8
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 80
238000001914 filtration Methods 0.000 claims description 73
238000011282 treatment Methods 0.000 claims description 42
230000002776 aggregation Effects 0.000 claims description 39
238000005259 measurement Methods 0.000 claims description 33
238000003756 stirring Methods 0.000 claims description 22
238000004220 aggregation Methods 0.000 claims description 20
238000005054 agglomeration Methods 0.000 claims description 19
239000002245 particle Substances 0.000 claims description 19
239000000701 coagulant Substances 0.000 claims description 18
238000005345 coagulation Methods 0.000 claims description 18
230000015271 coagulation Effects 0.000 claims description 18
238000002156 mixing Methods 0.000 claims description 15
239000000706 filtrate Substances 0.000 claims description 11
238000001556 precipitation Methods 0.000 claims description 10
238000000926 separation method Methods 0.000 claims description 10
230000004931 aggregating effect Effects 0.000 claims description 9
239000003795 chemical substances by application Substances 0.000 claims description 6
238000001514 detection method Methods 0.000 claims description 5
238000011045 prefiltration Methods 0.000 claims description 4
238000000733 zeta-potential measurement Methods 0.000 claims description 3
238000005188 flotation Methods 0.000 claims 1
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 36
239000004576 sand Substances 0.000 description 28
238000004062 sedimentation Methods 0.000 description 18
239000003002 pH adjusting agent Substances 0.000 description 12
238000002347 injection Methods 0.000 description 9
239000007924 injection Substances 0.000 description 9
239000007787 solid Substances 0.000 description 8
239000000126 substance Substances 0.000 description 8
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
239000008394 flocculating agent Substances 0.000 description 5
230000005484 gravity Effects 0.000 description 5
239000010802 sludge Substances 0.000 description 5
239000000377 silicon dioxide Substances 0.000 description 4
239000006228 supernatant Substances 0.000 description 4
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
239000002253 acid Substances 0.000 description 3
239000012752 auxiliary agent Substances 0.000 description 3
230000005591 charge neutralization Effects 0.000 description 3
238000002474 experimental method Methods 0.000 description 3
238000005406 washing Methods 0.000 description 3
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
239000003513 alkali Substances 0.000 description 2
238000010586 diagram Methods 0.000 description 2
229920000620 organic polymer Polymers 0.000 description 2
238000009287 sand filtration Methods 0.000 description 2
241000195493 Cryptophyta Species 0.000 description 1
241000223935 Cryptosporidium Species 0.000 description 1
101100243565 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) PAC10 gene Proteins 0.000 description 1
238000013019 agitation Methods 0.000 description 1
125000000129 anionic group Chemical group 0.000 description 1
238000011001 backwashing Methods 0.000 description 1
AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
239000000920 calcium hydroxide Substances 0.000 description 1
229910001861 calcium hydroxide Inorganic materials 0.000 description 1
230000001112 coagulating effect Effects 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000001962 electrophoresis Methods 0.000 description 1
230000003311 flocculating effect Effects 0.000 description 1
239000008235 industrial water Substances 0.000 description 1
238000011221 initial treatment Methods 0.000 description 1
229920000592 inorganic polymer Polymers 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
238000005339 levitation Methods 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
238000010979 pH adjustment Methods 0.000 description 1
238000005192 partition Methods 0.000 description 1
230000001717 pathogenic effect Effects 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
230000002265 prevention Effects 0.000 description 1
238000000746 purification Methods 0.000 description 1
239000008213 purified water Substances 0.000 description 1
RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical class O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
230000003068 static effect Effects 0.000 description 1
238000004448 titration Methods 0.000 description 1
238000004065 wastewater treatment Methods 0.000 description 1

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Filtration Of Liquid (AREA)
Separation Of Suspended Particles By Flocculating Agents (AREA)

JP11178099A 1999-04-20 1999-04-20 固液分離装置及び凝集条件決定方法 Expired - Fee Related JP3905663B2 (ja)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP11178099A JP3905663B2 (ja)	1999-04-20	1999-04-20	固液分離装置及び凝集条件決定方法

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP11178099A JP3905663B2 (ja)	1999-04-20	1999-04-20	固液分離装置及び凝集条件決定方法

Publications (3)

Publication Number	Publication Date
JP2000300912A JP2000300912A (ja)	2000-10-31
JP2000300912A5 JP2000300912A5 (2)	2005-03-17
JP3905663B2 true JP3905663B2 (ja)	2007-04-18

Family

ID=14569987

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP11178099A Expired - Fee Related JP3905663B2 (ja)	1999-04-20	1999-04-20	固液分離装置及び凝集条件決定方法

Country Status (1)

Country	Link
JP (1)	JP3905663B2 (2)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP4968420B2 (ja) *	2001-09-27	2012-07-04	栗田工業株式会社	凝集剤注入装置
JP4309645B2 (ja) *	2002-12-17	2009-08-05	株式会社東芝	凝集剤注入制御方法及び装置
JP5951423B2 (ja) *	2012-09-13	2016-07-13	株式会社東芝	凝集剤注入制御方法及び凝集剤注入制御システム
JP6437394B2 (ja) *	2015-07-28	2018-12-12	株式会社東芝	水処理方法、水処理施設、注入凝集剤量評価システムおよび残留凝集剤量推算装置
JP6976143B2 (ja) *	2017-11-14	2021-12-08	株式会社東芝	水処理システム及び水処理方法
WO2024168383A1 (en) *	2023-02-13	2024-08-22	Paradigm Fuels Pty Ltd	A system for generating and using nox gases in an algae growth system

1999
- 1999-04-20 JP JP11178099A patent/JP3905663B2/ja not_active Expired - Fee Related

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