KR101559852B1 - 식각공정에서 발생하는 붕불산 폐수의 처리방법 - Google Patents
식각공정에서 발생하는 붕불산 폐수의 처리방법 Download PDFInfo
- Publication number
- KR101559852B1 KR101559852B1 KR1020140157913A KR20140157913A KR101559852B1 KR 101559852 B1 KR101559852 B1 KR 101559852B1 KR 1020140157913 A KR1020140157913 A KR 1020140157913A KR 20140157913 A KR20140157913 A KR 20140157913A KR 101559852 B1 KR101559852 B1 KR 101559852B1
- Authority
- KR
- South Korea
- Prior art keywords
- supernatant
- wastewater
- reaction
- separation step
- separating
- Prior art date
Links
- 239000002351 wastewater Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 52
- RILZRCJGXSFXNE-UHFFFAOYSA-N 2-[4-(trifluoromethoxy)phenyl]ethanol Chemical compound OCCC1=CC=C(OC(F)(F)F)C=C1 RILZRCJGXSFXNE-UHFFFAOYSA-N 0.000 title 1
- 239000006228 supernatant Substances 0.000 claims abstract description 80
- 238000006243 chemical reaction Methods 0.000 claims abstract description 46
- 239000002253 acid Substances 0.000 claims abstract description 44
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000000926 separation method Methods 0.000 claims abstract description 34
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 25
- 239000011737 fluorine Substances 0.000 claims abstract description 25
- 239000010802 sludge Substances 0.000 claims abstract description 21
- 239000000292 calcium oxide Substances 0.000 claims abstract description 19
- 235000012255 calcium oxide Nutrition 0.000 claims abstract description 19
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 18
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 18
- 235000011116 calcium hydroxide Nutrition 0.000 claims abstract description 18
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 18
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 238000005345 coagulation Methods 0.000 claims abstract description 6
- 230000015271 coagulation Effects 0.000 claims abstract description 6
- 238000001556 precipitation Methods 0.000 claims abstract description 5
- 239000000701 coagulant Substances 0.000 claims description 10
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 6
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 6
- 239000004571 lime Substances 0.000 claims description 6
- 230000003472 neutralizing effect Effects 0.000 claims description 5
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 4
- 239000012716 precipitator Substances 0.000 claims description 2
- 238000005054 agglomeration Methods 0.000 claims 1
- 230000002776 aggregation Effects 0.000 claims 1
- 238000005530 etching Methods 0.000 abstract description 15
- 238000004065 wastewater treatment Methods 0.000 abstract description 12
- 238000004062 sedimentation Methods 0.000 abstract 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 15
- 239000002244 precipitate Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 4
- 229910001424 calcium ion Inorganic materials 0.000 description 4
- -1 fluoride ions Chemical class 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 239000003915 liquefied petroleum gas Substances 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- RPJKYODNJDVOOO-UHFFFAOYSA-N [B].F Chemical compound [B].F RPJKYODNJDVOOO-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 239000004327 boric acid Substances 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910015900 BF3 Inorganic materials 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 229910003638 H2SiF6 Inorganic materials 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000013626 chemical specie Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003920 environmental process Methods 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- ZEFWRWWINDLIIV-UHFFFAOYSA-N tetrafluorosilane;dihydrofluoride Chemical compound F.F.F[Si](F)(F)F ZEFWRWWINDLIIV-UHFFFAOYSA-N 0.000 description 1
Images
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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
상기의 과정을 통해 이루어지는 식각공정에서 발생하는 붕불산 폐수의 처리방법은 폐수 내에 함유된 붕불산의 제거효율이 우수하며, 폐수처리 과정이 단순할 뿐만 아니라 폐수처리 과정에서 발생하는 소석회슬러지를 재활용하기 때문에 폐수처리 비용을 절감할 수 있다.
Description
도 2는 본 발명에 따른 식각공정에서 발생하는 붕불산 폐수의 처리과정을 나타낸 계략도이다.
S103 ; 제1상등수분리단계
S105 ; 생석회반응단계
S107 ; 제2상등수분리단계
S109 ; 응집단계
S111 ; 제3상등수분리단계
10 ; 제1반응조
11 ; 제1침전조
12 ; 탈수장치
20 ; 제2반응조
21 ; 제2침전조
30 ; 제3반응조
31 ; 제3침전조
Claims (6)
- 붕불산이 함유된 폐수를 제1반응조에 투입하고 소석회슬러지를 혼합하여 중화하는 중화단계;
상기 중화단계를 통해 중화된 혼합물을 제1침전조로 이송하여 상등수를 분리하는 제1상등수분리단계;
상기 제1상등수분리단계를 통해 분리된 상등수를 제2반응조에 투입하고 생석회를 혼합하여 반응시키는 생석회반응단계;
상기 생석회반응단계를 거친 혼합물을 제2침전조로 이송하여 상등수를 분리하는 제2상등수분리단계;
상기 제2상등수분리단계를 통해 분리된 상등수를 제3반응조에 투입하고 응집제를 혼합하여 상등수에 잔존하는 불소를 제거하는 응집단계; 및
상기 응집단계를 통해 불소가 제거된 상등수를 제3침전조로 이송하여 상등수를 분리하는 제3상등수분리단계;로 이루어지며,
상기 생석회반응단계는 상기 제1상등수분리단계를 통해 분리된 상등수 100 중량부에 생석회 10 내지 20 중량부를 혼합하여 이루어지는 것을 특징으로 하는 식각공정에서 발생하는 붕불산 폐수의 처리방법.
- 청구항 1에 있어서,
상기 제2상등수분리단계를 통해 분리된 소석회슬러지는 상기 중화단계에서 사용되는 것을 특징으로 하는 식각공정에서 발생하는 붕불산 폐수의 처리방법.
- 청구항 1에 있어서,
상기 중화단계는 붕불산이 함유된 폐수와 소석회슬러지를 1:1의 중량부로 혼합하여 이루어지는 것을 특징으로 하는 식각공정에서 발생하는 붕불산 폐수의 처리방법.
- 청구항 1에 있어서,
상기 중화단계는 70 내지 90℃의 온도에서 이루어지는 것을 특징으로 하는 식각공정에서 발생하는 붕불산 폐수의 처리방법.
- 삭제
- 청구항 1에 있어서,
상기 응집제는 황산알루미늄수용액으로 이루어지는 것을 특징으로 하는 식각공정에서 발생하는 붕불산 폐수의 처리방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140157913A KR101559852B1 (ko) | 2014-11-13 | 2014-11-13 | 식각공정에서 발생하는 붕불산 폐수의 처리방법 |
CN201510770653.2A CN105600977A (zh) | 2014-11-13 | 2015-11-12 | 蚀刻工艺中产生的氟硼酸废水的处理方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140157913A KR101559852B1 (ko) | 2014-11-13 | 2014-11-13 | 식각공정에서 발생하는 붕불산 폐수의 처리방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR101559852B1 true KR101559852B1 (ko) | 2015-10-13 |
Family
ID=54348491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020140157913A KR101559852B1 (ko) | 2014-11-13 | 2014-11-13 | 식각공정에서 발생하는 붕불산 폐수의 처리방법 |
Country Status (2)
Country | Link |
---|---|
KR (1) | KR101559852B1 (ko) |
CN (1) | CN105600977A (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110228866A (zh) * | 2019-06-10 | 2019-09-13 | 赤峰中色锌业有限公司 | 一种污酸污水处理方法及设备 |
KR102609899B1 (ko) | 2022-12-19 | 2023-12-05 | 주식회사 위드엠텍 | 불산슬러지를 이용한 시멘트 클링커용 첨가물과 그 제조방법 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107311340A (zh) * | 2017-06-26 | 2017-11-03 | 彤程化学(中国)有限公司 | 一种含硼、含氟有机废水的处理方法 |
CN113060802B (zh) * | 2021-04-16 | 2025-01-28 | 兰州交通大学 | 一种可用于处理含氟硼酸根废水的装置及方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000189980A (ja) | 1998-12-29 | 2000-07-11 | Daiseki:Kk | 廃水の処理方法 |
KR100960363B1 (ko) * | 2009-04-07 | 2010-05-28 | 세이브기술 (주) | 불소함유 폐수의 처리 방법 |
JP2014050841A (ja) | 2013-11-08 | 2014-03-20 | Waseda Univ | 水処理方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57180482A (en) * | 1981-04-30 | 1982-11-06 | Nippon Steel Chem Co Ltd | Method for removing fluorine from waste fluorine water containing borofluoride |
CN100351185C (zh) * | 2004-10-28 | 2007-11-28 | 力晶半导体股份有限公司 | 一种含氟废水处理的方法 |
CN1724405A (zh) * | 2005-06-28 | 2006-01-25 | 贵州宏福实业开发有限总公司 | 一种含氟酸性废水的治理方法 |
JP4650384B2 (ja) * | 2006-09-22 | 2011-03-16 | 栗田工業株式会社 | フッ素含有排水の処理方法 |
CN102336460B (zh) * | 2010-07-21 | 2013-06-12 | 中国石油化工股份有限公司 | 一种处理含氟硼酸根废水的水解剂及其应用 |
CN102452738B (zh) * | 2010-10-22 | 2014-02-26 | 深圳市拓日新能源科技股份有限公司 | 一种太阳能电池厂含氟废水的处理方法 |
CN202072566U (zh) * | 2011-05-18 | 2011-12-14 | 无锡市新都环保设备有限公司 | 一种含高浓度氢氟酸废水处理系统 |
KR101340161B1 (ko) * | 2011-12-15 | 2013-12-10 | 노바테크 (주) | 고농도 불산 폐수 처리 방법 |
KR20140065243A (ko) * | 2012-11-21 | 2014-05-29 | 성호길 | 불산 폐액 처리방법 |
CN103663777B (zh) * | 2013-11-16 | 2016-06-01 | 云南钛业股份有限公司 | 一种工厂含氢氟酸废水处理方法 |
-
2014
- 2014-11-13 KR KR1020140157913A patent/KR101559852B1/ko active IP Right Grant
-
2015
- 2015-11-12 CN CN201510770653.2A patent/CN105600977A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000189980A (ja) | 1998-12-29 | 2000-07-11 | Daiseki:Kk | 廃水の処理方法 |
KR100960363B1 (ko) * | 2009-04-07 | 2010-05-28 | 세이브기술 (주) | 불소함유 폐수의 처리 방법 |
JP2014050841A (ja) | 2013-11-08 | 2014-03-20 | Waseda Univ | 水処理方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110228866A (zh) * | 2019-06-10 | 2019-09-13 | 赤峰中色锌业有限公司 | 一种污酸污水处理方法及设备 |
CN110228866B (zh) * | 2019-06-10 | 2024-02-09 | 赤峰中色锌业有限公司 | 一种污酸污水处理方法及设备 |
KR102609899B1 (ko) | 2022-12-19 | 2023-12-05 | 주식회사 위드엠텍 | 불산슬러지를 이용한 시멘트 클링커용 첨가물과 그 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
CN105600977A (zh) | 2016-05-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101559852B1 (ko) | 식각공정에서 발생하는 붕불산 폐수의 처리방법 | |
KR101340161B1 (ko) | 고농도 불산 폐수 처리 방법 | |
JP6288217B1 (ja) | 硫酸、フッ素及び重金属イオン含有廃水の処理方法および処理装置 | |
CN106255666A (zh) | 含氟化物水的处理方法以及处理装置 | |
JP4954131B2 (ja) | ホウフッ化物含有水の処理方法 | |
KR20150085427A (ko) | 폐불소화합물을 무해하게 안정화시켜 산업 기초 원료로 제조하여 재활용하는 기술 | |
KR20150120971A (ko) | 붕불화물 함유수의 처리 방법 및 처리 장치 | |
JP2010269309A (ja) | ホウ素含有排水の処理方法及び処理装置 | |
KR101293283B1 (ko) | 붕불산을 함유하는 폐수로부터 불소를 제거하는 방법 | |
KR20140065243A (ko) | 불산 폐액 처리방법 | |
TWI263623B (en) | Effluent water treatment method | |
JP4863302B2 (ja) | ホウ素含有排水の処理方法及び処理装置 | |
JP2006167631A (ja) | リン酸を含むフッ素含有排水の処理方法及び処理装置 | |
JP5848119B2 (ja) | フッ素含有排水の処理方法 | |
JP5757092B2 (ja) | ケイフッ化水素酸含有廃液の処理方法 | |
JP2000189980A (ja) | 廃水の処理方法 | |
KR101273168B1 (ko) | 불소화합물 함유수 처리방법 | |
KR100349154B1 (ko) | 폐수중 불소제거용액 및 이를 이용한 불소 제거 방법 | |
KR101264596B1 (ko) | 고로 슬래그를 이용한 폐수 중 불소의 제거방법 | |
KR100756838B1 (ko) | 폐수 처리 방법 | |
KR20080058077A (ko) | 불소이온 함유 폐수 처리방법 | |
KR20110075382A (ko) | 불소를 함유한 산성폐수의 불소 처리방법 | |
CN111065605A (zh) | 废水处理方法 | |
KR0142932B1 (ko) | 불소함유 폐수의 처리방법 | |
JP6396827B2 (ja) | ホウフッ化物含有排水の処理方法および処理システム |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20141113 |
|
PA0201 | Request for examination | ||
PA0302 | Request for accelerated examination |
Patent event date: 20150306 Patent event code: PA03022R01D Comment text: Request for Accelerated Examination Patent event date: 20141113 Patent event code: PA03021R01I Comment text: Patent Application |
|
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20150713 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20151001 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20151006 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20151006 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
FPAY | Annual fee payment |
Payment date: 20181023 Year of fee payment: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20181023 Start annual number: 4 End annual number: 4 |
|
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20200717 |