JPH0559899B2 - - Google Patents
Info
- Publication number
- JPH0559899B2 JPH0559899B2 JP59019799A JP1979984A JPH0559899B2 JP H0559899 B2 JPH0559899 B2 JP H0559899B2 JP 59019799 A JP59019799 A JP 59019799A JP 1979984 A JP1979984 A JP 1979984A JP H0559899 B2 JPH0559899 B2 JP H0559899B2
- Authority
- JP
- Japan
- Prior art keywords
- terephthalic acid
- waste liquid
- distillation
- recovered
- acid
- 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 - Fee Related
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 75
- 239000007788 liquid Substances 0.000 claims description 30
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 27
- 239000002699 waste material Substances 0.000 claims description 27
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 claims description 19
- 229920000728 polyester Polymers 0.000 claims description 15
- 239000000835 fiber Substances 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 12
- 238000011946 reduction process Methods 0.000 claims description 8
- 239000013585 weight reducing agent Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000003916 acid precipitation Methods 0.000 claims description 5
- 238000004821 distillation Methods 0.000 description 25
- 238000000034 method Methods 0.000 description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 238000005886 esterification reaction Methods 0.000 description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 238000000998 batch distillation Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 235000011121 sodium hydroxide Nutrition 0.000 description 4
- 150000003503 terephthalic acid derivatives Chemical class 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 229910010413 TiO 2 Inorganic materials 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 239000003518 caustics Substances 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 229940011182 cobalt acetate Drugs 0.000 description 2
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000288902 Lemur catta Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000011437 continuous method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- VIQSRHWJEKERKR-UHFFFAOYSA-L disodium;terephthalate Chemical compound [Na+].[Na+].[O-]C(=O)C1=CC=C(C([O-])=O)C=C1 VIQSRHWJEKERKR-UHFFFAOYSA-L 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- GEMHFKXPOCTAIP-UHFFFAOYSA-N n,n-dimethyl-n'-phenylcarbamimidoyl chloride Chemical compound CN(C)C(Cl)=NC1=CC=CC=C1 GEMHFKXPOCTAIP-UHFFFAOYSA-N 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Landscapes
- Physical Water Treatments (AREA)
- Removal Of Specific Substances (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979984A JPS60163844A (ja) | 1984-02-06 | 1984-02-06 | ジメチルテレフタレ−トの製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979984A JPS60163844A (ja) | 1984-02-06 | 1984-02-06 | ジメチルテレフタレ−トの製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60163844A JPS60163844A (ja) | 1985-08-26 |
| JPH0559899B2 true JPH0559899B2 (pt) | 1993-09-01 |
Family
ID=12009391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1979984A Granted JPS60163844A (ja) | 1984-02-06 | 1984-02-06 | ジメチルテレフタレ−トの製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60163844A (pt) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070234B (zh) * | 2010-12-14 | 2012-07-25 | 扬州市革领高科技纳米环保设备有限公司 | 从碱减量废液中分离对苯二甲酸钠盐和碱溶液的方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5312833A (en) * | 1976-07-22 | 1978-02-04 | Mitsubishi Chem Ind Ltd | Preparation of dimethylterephthalate |
| JPS57212138A (en) * | 1981-06-24 | 1982-12-27 | Komatsu Seiren Kk | Recovery of terephthalic acid |
| JPS584735A (ja) * | 1981-06-12 | 1983-01-11 | セラニ−ズ・メキシカ−ナ・ソシエダド・アノニ−マ | 廃ポリエチレンテレフタレ−トからの純テレフタル酸とグリコ−ルの連続回収法 |
-
1984
- 1984-02-06 JP JP1979984A patent/JPS60163844A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5312833A (en) * | 1976-07-22 | 1978-02-04 | Mitsubishi Chem Ind Ltd | Preparation of dimethylterephthalate |
| JPS584735A (ja) * | 1981-06-12 | 1983-01-11 | セラニ−ズ・メキシカ−ナ・ソシエダド・アノニ−マ | 廃ポリエチレンテレフタレ−トからの純テレフタル酸とグリコ−ルの連続回収法 |
| JPS57212138A (en) * | 1981-06-24 | 1982-12-27 | Komatsu Seiren Kk | Recovery of terephthalic acid |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60163844A (ja) | 1985-08-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |