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 (https=) | 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 (https=) |
Families Citing this family (4)
| 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 |
| CN114787233B (zh) | 2019-10-08 | 2024-08-27 | 伊士曼化工公司 | 用于具有回收料含量的可结晶反应器级树脂的催化剂体系 |
| US20220348715A1 (en) * | 2019-10-25 | 2022-11-03 | Eastman Chemical Company | Copolyesters produced from recycled copolyesters |
| 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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