CN101513753B - 多线切割硅片的废旧料浆回收方法 - Google Patents
多线切割硅片的废旧料浆回收方法 Download PDFInfo
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- CN101513753B CN101513753B CN2009100644489A CN200910064448A CN101513753B CN 101513753 B CN101513753 B CN 101513753B CN 2009100644489 A CN2009100644489 A CN 2009100644489A CN 200910064448 A CN200910064448 A CN 200910064448A CN 101513753 B CN101513753 B CN 101513753B
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- silicon
- powder
- silicon carbide
- waste slurry
- filter cake
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000002002 slurry Substances 0.000 title claims abstract description 18
- 239000002699 waste material Substances 0.000 title claims abstract description 18
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 27
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000843 powder Substances 0.000 claims abstract description 22
- 239000012535 impurity Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims abstract description 6
- 230000018044 dehydration Effects 0.000 claims abstract description 4
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 34
- 239000012065 filter cake Substances 0.000 claims description 19
- 239000011863 silicon-based powder Substances 0.000 claims description 19
- 238000001035 drying Methods 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 6
- 239000002202 Polyethylene glycol Substances 0.000 claims description 5
- 229920001223 polyethylene glycol Polymers 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 4
- 238000004513 sizing Methods 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 230000002745 absorbent Effects 0.000 claims description 3
- 239000002250 absorbent Substances 0.000 claims description 3
- 238000010332 dry classification Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052710 silicon Inorganic materials 0.000 abstract description 7
- 239000010703 silicon Substances 0.000 abstract description 7
- 239000002173 cutting fluid Substances 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000011027 product recovery Methods 0.000 abstract description 2
- CZTQZXZIADLWOZ-UHFFFAOYSA-O 8-oxo-3-(pyridin-1-ium-1-ylmethyl)-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Chemical compound C1SC2C(NC(=O)CC=3SC=CC=3)C(=O)N2C(C(=O)O)=C1C[N+]1=CC=CC=C1 CZTQZXZIADLWOZ-UHFFFAOYSA-O 0.000 abstract 1
- 238000004042 decolorization Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 239000002594 sorbent Substances 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 4
- 235000011613 Pinus brutia Nutrition 0.000 description 4
- 241000018646 Pinus brutia Species 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000007603 infrared drying Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002210 silicon-based material Substances 0.000 description 2
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000703 high-speed centrifugation Methods 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009100644489A CN101513753B (zh) | 2009-03-24 | 2009-03-24 | 多线切割硅片的废旧料浆回收方法 |
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CN2009100644489A CN101513753B (zh) | 2009-03-24 | 2009-03-24 | 多线切割硅片的废旧料浆回收方法 |
Publications (2)
Publication Number | Publication Date |
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CN101513753A CN101513753A (zh) | 2009-08-26 |
CN101513753B true CN101513753B (zh) | 2011-06-01 |
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CN2009100644489A Expired - Fee Related CN101513753B (zh) | 2009-03-24 | 2009-03-24 | 多线切割硅片的废旧料浆回收方法 |
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CN (1) | CN101513753B (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101792691A (zh) * | 2010-02-22 | 2010-08-04 | 陈锡元 | 硅片切割废砂浆中液体的回收循环再生利用工艺 |
CN101857229B (zh) * | 2010-04-08 | 2012-03-28 | 浙江源盛硅晶材料有限公司 | 一种硅晶切割废液的处理方法及碳化硅漂洗装置 |
CN101898762A (zh) * | 2010-07-19 | 2010-12-01 | 王国恩 | 一种用于线切割的多边缘硅微粉体的生产工艺 |
CN101935581B (zh) * | 2010-08-27 | 2012-12-05 | 吕镇山 | 硅片线切割废砂浆的分离再生生产工艺 |
CN101941699B (zh) * | 2010-09-14 | 2012-08-22 | 东北大学 | 由单晶硅和多晶硅切割废料中回收硅和碳化硅的方法 |
CN102962905A (zh) * | 2011-09-01 | 2013-03-13 | 镇江仁德新能源科技有限公司 | 一种回收硅片多线切割过程中产生的废浆料的方法 |
CN102925276B (zh) * | 2012-11-15 | 2014-05-07 | 晶科能源有限公司 | 一种浆料的回收方法 |
CN103086378B (zh) * | 2013-01-28 | 2014-07-23 | 东北大学 | 一种用晶体硅切割废料电热冶金制备太阳能多晶硅的方法 |
CN104399731A (zh) * | 2014-10-13 | 2015-03-11 | 灵璧县灵磁新材料有限公司 | 一种钕铁硼磁性材料切割后残留混合物的分离方法 |
CN105235083B (zh) * | 2015-09-30 | 2017-02-01 | 浙江辉弘光电能源有限公司 | 一种硅片切割机用切削液去水结构 |
CN105269698B (zh) * | 2015-10-30 | 2017-03-22 | 浙江辉弘光电能源有限公司 | 一种多线切割机用切削液循环装置 |
CN107433279A (zh) * | 2016-05-27 | 2017-12-05 | 成亚资源科技股份有限公司 | 废硅泥再利用处理方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6113473A (en) * | 1997-04-25 | 2000-09-05 | G.T. Equipment Technologies Inc. | Method and apparatus for improved wire saw slurry |
CN101032806A (zh) * | 2006-03-06 | 2007-09-12 | 张捷平 | 切削悬浮液回收的方法 |
CN101327622A (zh) * | 2007-06-21 | 2008-12-24 | 正申科技(北京)有限责任公司 | 单晶与多晶硅线切割用砂浆回收技术 |
-
2009
- 2009-03-24 CN CN2009100644489A patent/CN101513753B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6113473A (en) * | 1997-04-25 | 2000-09-05 | G.T. Equipment Technologies Inc. | Method and apparatus for improved wire saw slurry |
CN101032806A (zh) * | 2006-03-06 | 2007-09-12 | 张捷平 | 切削悬浮液回收的方法 |
CN101327622A (zh) * | 2007-06-21 | 2008-12-24 | 正申科技(北京)有限责任公司 | 单晶与多晶硅线切割用砂浆回收技术 |
Non-Patent Citations (2)
Title |
---|
JP特开2006-315099A 2006.11.24 |
JP特开2008-200772A 2006.11.24 |
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CN101513753A (zh) | 2009-08-26 |
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Owner name: HENAN SHENGDAO TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HENAN XINGSHI HIGH+NEW TECHNOLOGY CO., LTD. Effective date: 20150126 |
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