JPH0533941B2 - - Google Patents
Info
- Publication number
- JPH0533941B2 JPH0533941B2 JP19446589A JP19446589A JPH0533941B2 JP H0533941 B2 JPH0533941 B2 JP H0533941B2 JP 19446589 A JP19446589 A JP 19446589A JP 19446589 A JP19446589 A JP 19446589A JP H0533941 B2 JPH0533941 B2 JP H0533941B2
- Authority
- JP
- Japan
- Prior art keywords
- wastewater
- terephthalic acid
- sodium
- sodium sulfate
- recovering
- 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 - Lifetime
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 132
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 59
- 239000002351 wastewater Substances 0.000 claims description 57
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 50
- 238000000034 method Methods 0.000 claims description 35
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 24
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 24
- 235000011152 sodium sulphate Nutrition 0.000 claims description 24
- 229920000728 polyester Polymers 0.000 claims description 20
- 208000016261 weight loss Diseases 0.000 claims description 19
- 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 claims description 18
- 239000000835 fiber Substances 0.000 claims description 16
- 230000004580 weight loss Effects 0.000 claims description 15
- 239000003513 alkali Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 9
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- 239000012065 filter cake Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 35
- 238000011084 recovery Methods 0.000 description 18
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 16
- 239000011734 sodium Substances 0.000 description 16
- 229910052708 sodium Inorganic materials 0.000 description 16
- 235000011121 sodium hydroxide Nutrition 0.000 description 16
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 15
- 239000002699 waste material Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 10
- 238000005406 washing Methods 0.000 description 8
- 239000004744 fabric Substances 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000002253 acid Substances 0.000 description 6
- 239000000706 filtrate Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 159000000000 sodium salts Chemical class 0.000 description 4
- 238000004065 wastewater treatment Methods 0.000 description 4
- 239000013585 weight reducing agent Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000004043 dyeing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229910001415 sodium ion Inorganic materials 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000003014 ion exchange membrane Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 150000007514 bases Chemical class 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- -1 ethylene glycol Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 150000003503 terephthalic acid derivatives Chemical class 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000000954 titration curve Methods 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR16836 | 1988-12-17 | ||
| KR880016836 | 1988-12-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02184651A JPH02184651A (ja) | 1990-07-19 |
| JPH0533941B2 true JPH0533941B2 (enrdf_load_stackoverflow) | 1993-05-20 |
Family
ID=19280263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19446589A Granted JPH02184651A (ja) | 1988-12-17 | 1989-07-28 | テレフタル酸の回収方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02184651A (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100493136B1 (ko) * | 2002-04-06 | 2005-06-01 | 주식회사 부림이앤씨 | 폴리에스테르계 섬유직물의 감량가공 폐수 처리방법 |
| WO2006053207A2 (en) * | 2004-11-09 | 2006-05-18 | Discus Dental Impressions, Inc | Dental whitening systems comprising transition metal salt activator |
| WO2007052787A1 (ja) * | 2005-11-07 | 2007-05-10 | Kyowa Hakko Kogyo Co., Ltd. | 結晶またはアモルファスの洗浄方法および洗浄装置 |
| CN104649897A (zh) * | 2015-03-03 | 2015-05-27 | 常州市博洋新材料科技有限公司 | 一种从对苯二甲酸残渣中提纯对苯二甲酸的方法 |
-
1989
- 1989-07-28 JP JP19446589A patent/JPH02184651A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02184651A (ja) | 1990-07-19 |
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