CN101519230B - 高浓缩甲醛溶液制备系统及制备方法 - Google Patents
高浓缩甲醛溶液制备系统及制备方法 Download PDFInfo
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- CN101519230B CN101519230B CN2008100632307A CN200810063230A CN101519230B CN 101519230 B CN101519230 B CN 101519230B CN 2008100632307 A CN2008100632307 A CN 2008100632307A CN 200810063230 A CN200810063230 A CN 200810063230A CN 101519230 B CN101519230 B CN 101519230B
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 267
- 239000008098 formaldehyde solution Substances 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000002351 wastewater Substances 0.000 claims abstract description 39
- 239000012528 membrane Substances 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 32
- 238000004094 preconcentration Methods 0.000 claims abstract description 21
- 238000010521 absorption reaction Methods 0.000 claims abstract description 19
- 239000000203 mixture Substances 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000010865 sewage Substances 0.000 claims abstract description 4
- 239000010408 film Substances 0.000 claims description 34
- 230000008676 import Effects 0.000 claims description 29
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 10
- 229910021529 ammonia Inorganic materials 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 239000011552 falling film Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000008016 vaporization Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 239000000110 cooling liquid Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- -1 pottery Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000002033 PVDF binder Substances 0.000 claims description 2
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000012510 hollow fiber Substances 0.000 claims description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 3
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- 238000005507 spraying Methods 0.000 abstract 1
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- 238000006243 chemical reaction Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- CKFGINPQOCXMAZ-UHFFFAOYSA-N methanediol Chemical compound OCO CKFGINPQOCXMAZ-UHFFFAOYSA-N 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
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- 150000001875 compounds Chemical class 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 239000012452 mother liquor Substances 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 1
- 239000005562 Glyphosate Substances 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- TZIHFWKZFHZASV-UHFFFAOYSA-N anhydrous methyl formate Natural products COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052728 basic metal Inorganic materials 0.000 description 1
- 150000003818 basic metals Chemical class 0.000 description 1
- 230000003851 biochemical process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
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- 238000007599 discharging Methods 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- XDDAORKBJWWYJS-UHFFFAOYSA-N glyphosate Chemical compound OC(=O)CNCP(O)(O)=O XDDAORKBJWWYJS-UHFFFAOYSA-N 0.000 description 1
- 229940097068 glyphosate Drugs 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
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CN2008100632307A CN101519230B (zh) | 2008-07-23 | 2008-07-23 | 高浓缩甲醛溶液制备系统及制备方法 |
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CN2008100632307A CN101519230B (zh) | 2008-07-23 | 2008-07-23 | 高浓缩甲醛溶液制备系统及制备方法 |
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CN101519230B true CN101519230B (zh) | 2011-11-09 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103130624B (zh) * | 2013-01-14 | 2015-03-11 | 中国海洋石油总公司 | 一种渐次汽化/冷凝浓缩甲醛的方法 |
CN104190099A (zh) * | 2014-08-13 | 2014-12-10 | 山东滨州新天阳化工有限责任公司 | 一种多聚甲醛制备中的初级降膜蒸发浓缩工艺 |
CN106831380B (zh) * | 2017-01-19 | 2020-05-22 | 中国科学院成都有机化学有限公司 | 甲醛溶液脱水浓缩的方法 |
CN111408239A (zh) * | 2020-05-07 | 2020-07-14 | 广西祥盛家居材料科技股份有限公司 | 一种制胶尾气处理装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1843587A (zh) * | 2006-03-31 | 2006-10-11 | 杭州天创净水设备有限公司 | 一种膜法农药母液的浓缩工艺 |
CN101007822A (zh) * | 2007-01-26 | 2007-08-01 | 浙江龙游绿得农药化工有限公司 | 资源再利用的催化氧化制备草甘膦方法 |
CN101139268A (zh) * | 2007-09-17 | 2008-03-12 | 浙江三博聚合物有限公司 | 含醇稀甲醛溶液提浓除醇的新方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN1843587A (zh) * | 2006-03-31 | 2006-10-11 | 杭州天创净水设备有限公司 | 一种膜法农药母液的浓缩工艺 |
CN101007822A (zh) * | 2007-01-26 | 2007-08-01 | 浙江龙游绿得农药化工有限公司 | 资源再利用的催化氧化制备草甘膦方法 |
CN101139268A (zh) * | 2007-09-17 | 2008-03-12 | 浙江三博聚合物有限公司 | 含醇稀甲醛溶液提浓除醇的新方法 |
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