JPH0435450B2 - - Google Patents
Info
- Publication number
- JPH0435450B2 JPH0435450B2 JP12552983A JP12552983A JPH0435450B2 JP H0435450 B2 JPH0435450 B2 JP H0435450B2 JP 12552983 A JP12552983 A JP 12552983A JP 12552983 A JP12552983 A JP 12552983A JP H0435450 B2 JPH0435450 B2 JP H0435450B2
- Authority
- JP
- Japan
- Prior art keywords
- terephthalic acid
- titanium oxide
- fine particles
- recovered
- oxide fine
- 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.)
- Expired
Links
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 58
- 238000000034 method Methods 0.000 claims description 18
- 239000012528 membrane Substances 0.000 claims description 14
- 239000000835 fiber Substances 0.000 claims description 13
- 238000000108 ultra-filtration Methods 0.000 claims description 13
- 229920000728 polyester Polymers 0.000 claims description 12
- 239000004744 fabric Substances 0.000 claims description 9
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 4
- 238000000354 decomposition reaction Methods 0.000 claims description 4
- 239000002351 wastewater Substances 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims 2
- 230000003301 hydrolyzing effect Effects 0.000 claims 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 18
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 18
- 239000010419 fine particle Substances 0.000 description 17
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 229910001385 heavy metal Inorganic materials 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000012466 permeate Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- -1 alkali metal salt Chemical class 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000012043 crude product Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000006224 matting agent Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- OJURWUUOVGOHJZ-UHFFFAOYSA-N methyl 2-[(2-acetyloxyphenyl)methyl-[2-[(2-acetyloxyphenyl)methyl-(2-methoxy-2-oxoethyl)amino]ethyl]amino]acetate Chemical compound C=1C=CC=C(OC(C)=O)C=1CN(CC(=O)OC)CCN(CC(=O)OC)CC1=CC=CC=C1OC(C)=O OJURWUUOVGOHJZ-UHFFFAOYSA-N 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12552983A JPS6019748A (ja) | 1983-07-12 | 1983-07-12 | テレフタル酸の回収方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12552983A JPS6019748A (ja) | 1983-07-12 | 1983-07-12 | テレフタル酸の回収方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6019748A JPS6019748A (ja) | 1985-01-31 |
| JPH0435450B2 true JPH0435450B2 (zh) | 1992-06-11 |
Family
ID=14912432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12552983A Granted JPS6019748A (ja) | 1983-07-12 | 1983-07-12 | テレフタル酸の回収方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6019748A (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR890012163A (ko) * | 1988-01-27 | 1989-08-24 | 도널드 에이 호우즈 | 조성물의 전기화학적 특성의 측정방법 및 장치 |
-
1983
- 1983-07-12 JP JP12552983A patent/JPS6019748A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6019748A (ja) | 1985-01-31 |
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