JP6147912B2 - クロロシラン含有液体を処理する装置及び方法 - Google Patents
クロロシラン含有液体を処理する装置及び方法 Download PDFInfo
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- JP6147912B2 JP6147912B2 JP2016506829A JP2016506829A JP6147912B2 JP 6147912 B2 JP6147912 B2 JP 6147912B2 JP 2016506829 A JP2016506829 A JP 2016506829A JP 2016506829 A JP2016506829 A JP 2016506829A JP 6147912 B2 JP6147912 B2 JP 6147912B2
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- 239000007788 liquid Substances 0.000 title claims description 63
- 238000000034 method Methods 0.000 title claims description 39
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 title claims description 25
- 239000005046 Chlorosilane Substances 0.000 title claims description 24
- 238000004140 cleaning Methods 0.000 claims description 67
- 239000002253 acid Substances 0.000 claims description 24
- 238000002156 mixing Methods 0.000 claims description 23
- 238000004065 wastewater treatment Methods 0.000 claims description 20
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 239000007787 solid Substances 0.000 claims description 17
- 230000003472 neutralizing effect Effects 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 7
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 6
- 239000011707 mineral Substances 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 4
- 239000012670 alkaline solution Substances 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 239000000243 solution Substances 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 22
- 239000007789 gas Substances 0.000 description 17
- 239000002609 medium Substances 0.000 description 17
- 238000001139 pH measurement Methods 0.000 description 9
- 238000009835 boiling Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 238000011068 loading method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 239000011236 particulate material Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- KTQYJQFGNYHXMB-UHFFFAOYSA-N dichloro(methyl)silicon Chemical compound C[Si](Cl)Cl KTQYJQFGNYHXMB-UHFFFAOYSA-N 0.000 description 3
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 150000008282 halocarbons Chemical class 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 229910018503 SF6 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 1
- 229910052915 alkaline earth metal silicate Inorganic materials 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- YGZSVWMBUCGDCV-UHFFFAOYSA-N chloro(methyl)silane Chemical compound C[SiH2]Cl YGZSVWMBUCGDCV-UHFFFAOYSA-N 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- -1 filter press filling Substances 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 150000002366 halogen compounds Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- QKCGXXHCELUCKW-UHFFFAOYSA-N n-[4-[4-(dinaphthalen-2-ylamino)phenyl]phenyl]-n-naphthalen-2-ylnaphthalen-2-amine Chemical compound C1=CC=CC2=CC(N(C=3C=CC(=CC=3)C=3C=CC(=CC=3)N(C=3C=C4C=CC=CC4=CC=3)C=3C=C4C=CC=CC4=CC=3)C3=CC4=CC=CC=C4C=C3)=CC=C21 QKCGXXHCELUCKW-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000007560 sedimentation technique Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
- FAQYAMRNWDIXMY-UHFFFAOYSA-N trichloroborane Chemical compound ClB(Cl)Cl FAQYAMRNWDIXMY-UHFFFAOYSA-N 0.000 description 1
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 1
- 239000005052 trichlorosilane Substances 0.000 description 1
- 238000010626 work up procedure Methods 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0011—Heating features
- B01D1/0041—Use of fluids
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/08—Compounds containing halogen
- C01B33/107—Halogenated silanes
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/08—Compounds containing halogen
- C01B33/107—Halogenated silanes
- C01B33/10778—Purification
-
- 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
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
-
- 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
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
- C02F1/385—Treatment of water, waste water, or sewage by centrifugal separation by centrifuging suspensions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- Physical Water Treatments (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treating Waste Gases (AREA)
- Removal Of Specific Substances (AREA)
- Silicon Compounds (AREA)
- Gas Separation By Absorption (AREA)
- Treatment Of Sludge (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Description
液体を蒸発させる工程と、
蒸発した液体を、洗浄チャンバー中で、アルカリ性媒体と接触させ、pH9〜13を有する洗浄液体を形成することにより、処理する工程と、
及び続いて洗浄チャンバーから取り出した洗浄液体を、廃水処理装置中で処理する工程と、
を含んでなり、酸を加え、pHを6〜9に設定し、固体を洗浄液体から遠心機により分離する、方法により達成される。
図1は、洗浄装置を図式的に示す。
図2は、廃水処理装置を図式的に示す。
1.1 蒸発熱交換器
1.2 スクラッバー入口
1.3 ノズル
1.4 洗浄液体貯蔵部
1.5 洗浄チャンバー
1.6 バルブ
1.7 ポンプ装置
1.8 pH測定
1.9 アルカリ供給ライン
1.10 廃水処理への供給ライン
1.11a〜c 測定
1.12 制御装置
1.13 ポンプ
1.14 出口
1.15 水供給ライン
1.16 気体状流の供給ライン
2.1 pH測定1
2.2 混合タンク1
2.3 中和する酸の供給ライン
2.4 凝集剤の添加
2.5 pH測定2
2.6 混合タンク2
2.7 中和する酸の供給ライン
2.8 遠心機
2.9 フィルタープレス装置
2.10 固体廃棄所
2.11 pH測定
2.12 出口
Claims (11)
- 少なくとも一種のクロロシランを含有する液体を処理する方法であって、
前記液体を蒸発させる工程と、
前記クロロシランを含有する蒸発流を、洗浄チャンバー中でアルカリ性溶液と接触させ、pH9〜13のクロロシランを含有する洗浄液体を形成することにより、処理する工程と、
続いて、前記洗浄チャンバーから取り出した前記洗浄液体を、廃水処理装置中で処理する工程と、
を含んでなり、
前記廃水処理装置における処理が、前記洗浄液体に酸を加えて、pHを6〜9に設定してケイ酸塩を沈殿させた後、前記ケイ酸塩を含む固体を前記洗浄液体から遠心機により分離する、方法。 - 前記アルカリ性媒体が、水酸化ナトリウム(NaOH)の水溶液である、請求項1に記載の方法。
- 前記洗浄液体が、前記洗浄チャンバー中で前記処理の際に、アルカリ性溶液を加えることによりpHを9〜13に維持される、請求項1または2に記載の方法。
- 前記酸が、鉱酸である、請求項1〜3のいずれか一項に記載の方法。
- 前記鉱酸が、HClである、請求項4に記載の方法。
- 前記遠心機により分離された固体を絞り、液体とケークに分離する、請求項1〜5のいずれか一項に記載の方法。
- 前記固体をフィルタープレスで絞る、請求項6に記載の方法。
- 請求項1〜7のいずれか一項に記載の方法を行う装置であって、
−クロロシランを含有する液体を蒸発させる少なくとも一基の蒸発装置と、
−前記クロロシランを含有する蒸発流をアルカリ性溶液と接触させる少なくとも一基の洗浄チャンバーと、
−少なくとも一基の廃水処理装置と、
を含んでなり、
前記洗浄チャンバーが、前記蒸発流を前記蒸発装置から前記洗浄チャンバーに供給する少なくとも一個の入口と、前記アルカリ性溶液を連続的に前記洗浄チャンバー中にスプレーできる少なくとも一個のノズルと、前記洗浄液体を前記廃水処理装置に供給する出口とを含んでなり、前記廃水処理装置が、前記洗浄チャンバーから出る前記洗浄液体の供給装置と、酸を中和する供給設備と、前記洗浄液体から固体を分離する遠心機とを含んでなる、装置。 - 前記廃水処理装置が、前記洗浄液体のpHを決定する混合タンクと、酸を供給するポンプとを含んでなる、請求項8に記載の装置。
- 前記遠心機により分離された固体を絞る部材を備えてなる、請求項8又は9に記載の装置。
- 前記絞る部材が、フィルタープレスである、請求項10に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013206228.1 | 2013-04-09 | ||
DE102013206228.1A DE102013206228A1 (de) | 2013-04-09 | 2013-04-09 | Vorrichtung und Verfahren zur Behandlung von Chlorsilane enthaltenden Flüssigkeiten |
PCT/EP2014/055471 WO2014166710A1 (de) | 2013-04-09 | 2014-03-19 | Vorrichtung und verfahren zur behandlung von chlorsilane enthaltenden flüssigkeiten |
Publications (2)
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JP2016520505A JP2016520505A (ja) | 2016-07-14 |
JP6147912B2 true JP6147912B2 (ja) | 2017-06-14 |
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Country Status (10)
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---|---|
US (1) | US9802837B2 (ja) |
EP (1) | EP2983803B1 (ja) |
JP (1) | JP6147912B2 (ja) |
KR (1) | KR101773276B1 (ja) |
CN (1) | CN105377392B (ja) |
DE (1) | DE102013206228A1 (ja) |
ES (1) | ES2622055T3 (ja) |
MY (1) | MY193738A (ja) |
TW (1) | TWI511925B (ja) |
WO (1) | WO2014166710A1 (ja) |
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CN106370553A (zh) * | 2016-11-15 | 2017-02-01 | 亚洲硅业(青海)有限公司 | 一种浆料含固量的检测方法 |
CN111013362A (zh) * | 2019-12-30 | 2020-04-17 | 武汉新硅科技潜江有限公司 | 一种氯硅烷生产中尾气处理系统 |
CN117018808B (zh) * | 2023-08-21 | 2024-03-26 | 四川久源机械制造有限公司 | 一种多晶硅生产用尾气处理系统及处理方法 |
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DE102008002537A1 (de) | 2008-06-19 | 2009-12-24 | Evonik Degussa Gmbh | Verfahren zur Entfernung von Bor enthaltenden Verunreinigungen aus Halogensilanen sowie Anlage zur Durchführung des Verfahrens |
JP5511667B2 (ja) * | 2008-08-06 | 2014-06-04 | 電気化学工業株式会社 | ハロゲン化水素、水素およびハロゲン化ケイ素を含む混合ガスから水素ガスを生産する方法、その水素ガスを用いたケイ素化合物の生産方法、およびその方法のためのプラント |
CN202226742U (zh) * | 2011-08-31 | 2012-05-23 | 湖北晶星科技股份有限公司 | 多晶硅生产过程中的氯硅烷残液闪蒸系统 |
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TWI511925B (zh) | 2015-12-11 |
US20160068408A1 (en) | 2016-03-10 |
MY193738A (en) | 2022-10-27 |
EP2983803A1 (de) | 2016-02-17 |
KR101773276B1 (ko) | 2017-08-31 |
CN105377392B (zh) | 2018-04-20 |
CN105377392A (zh) | 2016-03-02 |
JP2016520505A (ja) | 2016-07-14 |
KR20150143606A (ko) | 2015-12-23 |
ES2622055T3 (es) | 2017-07-05 |
WO2014166710A1 (de) | 2014-10-16 |
EP2983803B1 (de) | 2017-01-11 |
DE102013206228A1 (de) | 2014-10-09 |
US9802837B2 (en) | 2017-10-31 |
TW201438995A (zh) | 2014-10-16 |
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