JPH0569761B2 - - Google Patents
Info
- Publication number
- JPH0569761B2 JPH0569761B2 JP5444689A JP5444689A JPH0569761B2 JP H0569761 B2 JPH0569761 B2 JP H0569761B2 JP 5444689 A JP5444689 A JP 5444689A JP 5444689 A JP5444689 A JP 5444689A JP H0569761 B2 JPH0569761 B2 JP H0569761B2
- Authority
- JP
- Japan
- Prior art keywords
- hydrochloric acid
- activated carbon
- free chlorine
- iron
- reducing agent
- 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
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 76
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 57
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 42
- 239000000460 chlorine Substances 0.000 claims description 27
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 26
- 229910052801 chlorine Inorganic materials 0.000 claims description 26
- 229910052742 iron Inorganic materials 0.000 claims description 21
- 239000003638 chemical reducing agent Substances 0.000 claims description 16
- 239000003957 anion exchange resin Substances 0.000 claims description 14
- 230000004913 activation Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 6
- 238000006298 dechlorination reaction Methods 0.000 claims description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 4
- WTDHULULXKLSOZ-UHFFFAOYSA-N Hydroxylamine hydrochloride Chemical compound Cl.ON WTDHULULXKLSOZ-UHFFFAOYSA-N 0.000 claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 3
- 239000004202 carbamide Substances 0.000 claims description 3
- 230000000382 dechlorinating effect Effects 0.000 claims 1
- 150000003839 salts Chemical class 0.000 description 4
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 235000013162 Cocos nucifera Nutrition 0.000 description 2
- 244000060011 Cocos nucifera Species 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical group [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 229920001429 chelating resin Polymers 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229960002089 ferrous chloride Drugs 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
- C01B7/07—Purification ; Separation
- C01B7/0706—Purification ; Separation of hydrogen chloride
- C01B7/0718—Purification ; Separation of hydrogen chloride by adsorption
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
- C01B7/07—Purification ; Separation
- C01B7/0706—Purification ; Separation of hydrogen chloride
- C01B7/0718—Purification ; Separation of hydrogen chloride by adsorption
- C01B7/0725—Purification ; Separation of hydrogen chloride by adsorption by active carbon
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5444689A JPH02233503A (ja) | 1989-03-06 | 1989-03-06 | 塩酸の精製方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5444689A JPH02233503A (ja) | 1989-03-06 | 1989-03-06 | 塩酸の精製方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02233503A JPH02233503A (ja) | 1990-09-17 |
| JPH0569761B2 true JPH0569761B2 (enrdf_load_stackoverflow) | 1993-10-01 |
Family
ID=12970929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5444689A Granted JPH02233503A (ja) | 1989-03-06 | 1989-03-06 | 塩酸の精製方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02233503A (enrdf_load_stackoverflow) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5330735A (en) * | 1993-01-21 | 1994-07-19 | Dow Corning Corporation | Purification of hydrochloric acid |
| EP0618170B1 (en) * | 1993-03-31 | 1996-09-04 | Basf Corporation | Process for producing reagent grade hydrochloric acid from the manufacture of organic isocyanates |
| US5426944A (en) * | 1993-08-31 | 1995-06-27 | American Air Liquide, Inc. | Chemical purification for semiconductor processing by partial condensation |
| NO179243B1 (no) * | 1994-06-03 | 1996-09-23 | Polymers Holding As | Fremgangsmate for a fjerne uonsket farge fra saltsyre, samt anvendelse av hydroksylaminhydroklorid for a fjerne uonsket farge fra saltsyre |
| JP4730494B2 (ja) * | 2000-04-28 | 2011-07-20 | 東ソー株式会社 | 塩素系廃棄物からの塩化水素回収方法及びその用途 |
| CN109553070A (zh) * | 2018-12-17 | 2019-04-02 | 江苏诺斯特拉环保科技有限公司 | 废盐酸回收利用处置方法 |
| CN110562922A (zh) * | 2019-08-19 | 2019-12-13 | 四川金山制药有限公司 | 气化法生产原子荧光级盐酸的工艺 |
| CN110436416A (zh) * | 2019-08-19 | 2019-11-12 | 四川金山制药有限公司 | 一种除游离氯制备电子级盐酸的工艺 |
| CN111960384B (zh) * | 2020-08-26 | 2022-04-12 | 浙江凯圣氟化学有限公司 | 一种除去盐酸中游离氯的方法 |
| CN114180525A (zh) * | 2021-12-30 | 2022-03-15 | 南通醋酸化工股份有限公司 | 一种4-氯乙酰乙酸乙酯合成中的氯化氢/二氯甲烷的分离方法 |
-
1989
- 1989-03-06 JP JP5444689A patent/JPH02233503A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02233503A (ja) | 1990-09-17 |
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