JP2002155019A5 - - Google Patents
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- Publication number
- JP2002155019A5 JP2002155019A5 JP2000347847A JP2000347847A JP2002155019A5 JP 2002155019 A5 JP2002155019 A5 JP 2002155019A5 JP 2000347847 A JP2000347847 A JP 2000347847A JP 2000347847 A JP2000347847 A JP 2000347847A JP 2002155019 A5 JP2002155019 A5 JP 2002155019A5
- Authority
- JP
- Japan
- Prior art keywords
- acid
- terephthalic acid
- dissolution
- slurry
- decomposition
- Prior art date
- 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.)
- Granted
Links
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 16
- 239000002253 acid Substances 0.000 description 7
- 238000000354 decomposition reaction Methods 0.000 description 7
- 238000004090 dissolution Methods 0.000 description 6
- 238000006386 neutralization reaction Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000013081 microcrystal Substances 0.000 description 2
- 238000010979 pH adjustment Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000347847A JP3889219B2 (ja) | 2000-11-15 | 2000-11-15 | 回収ポリエチレンテレフタレート粉砕品からのテレフタル酸の工業的回収方法及び装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000347847A JP3889219B2 (ja) | 2000-11-15 | 2000-11-15 | 回収ポリエチレンテレフタレート粉砕品からのテレフタル酸の工業的回収方法及び装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002155019A JP2002155019A (ja) | 2002-05-28 |
| JP2002155019A5 true JP2002155019A5 (enExample) | 2005-04-07 |
| JP3889219B2 JP3889219B2 (ja) | 2007-03-07 |
Family
ID=18821519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000347847A Expired - Fee Related JP3889219B2 (ja) | 2000-11-15 | 2000-11-15 | 回収ポリエチレンテレフタレート粉砕品からのテレフタル酸の工業的回収方法及び装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3889219B2 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014097441A (ja) * | 2012-11-13 | 2014-05-29 | Mitsui Zosen Plant Engineering Inc | ペットフレークの洗浄処理方法 |
| BR112022007592A2 (pt) * | 2019-10-25 | 2022-07-05 | Eastman Chem Co | Processo para produzir uma composição de poliéster, filme retrátil, filme vazio, artigo moldado, artigo termoformável, filme ou folha extrudada, filme soprado, artigo moldado por extrusão por sopro, e, método para introduzir ou estabelecer conteúdo de reciclagem em um poliéster |
| EP3835023A1 (de) * | 2019-12-13 | 2021-06-16 | Lenzing Aktiengesellschaft | Verfahren zur verwertung von inhaltsstoffen aus mischtextilabfällen |
-
2000
- 2000-11-15 JP JP2000347847A patent/JP3889219B2/ja not_active Expired - Fee Related
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