CN104387262B - 解离-团聚法去除苯甲酸中焦油杂质的方法 - Google Patents
解离-团聚法去除苯甲酸中焦油杂质的方法 Download PDFInfo
- Publication number
- CN104387262B CN104387262B CN201410566010.1A CN201410566010A CN104387262B CN 104387262 B CN104387262 B CN 104387262B CN 201410566010 A CN201410566010 A CN 201410566010A CN 104387262 B CN104387262 B CN 104387262B
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- CN
- China
- Prior art keywords
- phenylformic acid
- tar
- dissociate
- coal
- middle oil
- 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.)
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- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 39
- 239000012535 impurity Substances 0.000 title claims abstract description 15
- 239000011280 coal tar Substances 0.000 title claims abstract description 13
- 238000005054 agglomeration Methods 0.000 title claims abstract description 12
- 239000011269 tar Substances 0.000 claims abstract description 16
- 239000006227 byproduct Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000007864 aqueous solution Substances 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000013517 stratification Methods 0.000 claims abstract description 6
- 239000005711 Benzoic acid Substances 0.000 claims abstract description 5
- 235000010233 benzoic acid Nutrition 0.000 claims abstract description 5
- 239000013078 crystal Substances 0.000 claims abstract description 5
- 238000001035 drying Methods 0.000 claims abstract description 5
- 238000007664 blowing Methods 0.000 claims abstract description 3
- 238000010494 dissociation reaction Methods 0.000 claims abstract description 3
- 230000005593 dissociations Effects 0.000 claims abstract description 3
- 238000000967 suction filtration Methods 0.000 claims abstract description 3
- 238000004220 aggregation Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000005660 chlorination reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- -1 phenyl aldehyde Chemical class 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- KCXMKQUNVWSEMD-UHFFFAOYSA-N benzyl chloride Chemical compound ClCC1=CC=CC=C1 KCXMKQUNVWSEMD-UHFFFAOYSA-N 0.000 description 1
- 229940073608 benzyl chloride Drugs 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003444 phase transfer catalyst Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410566010.1A CN104387262B (zh) | 2014-10-23 | 2014-10-23 | 解离-团聚法去除苯甲酸中焦油杂质的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410566010.1A CN104387262B (zh) | 2014-10-23 | 2014-10-23 | 解离-团聚法去除苯甲酸中焦油杂质的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104387262A CN104387262A (zh) | 2015-03-04 |
CN104387262B true CN104387262B (zh) | 2016-04-06 |
Family
ID=52605241
Family Applications (1)
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CN201410566010.1A Active CN104387262B (zh) | 2014-10-23 | 2014-10-23 | 解离-团聚法去除苯甲酸中焦油杂质的方法 |
Country Status (1)
Country | Link |
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CN (1) | CN104387262B (zh) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4205184A (en) * | 1976-12-28 | 1980-05-27 | Stamicarbon, B.V. | Method for processing a tar containing benzyl benzoate |
CN1148588A (zh) * | 1996-05-17 | 1997-04-30 | 常熟市金城化工厂 | 苯甲酰氯蒸馏釜残留物的回收方法 |
-
2014
- 2014-10-23 CN CN201410566010.1A patent/CN104387262B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4205184A (en) * | 1976-12-28 | 1980-05-27 | Stamicarbon, B.V. | Method for processing a tar containing benzyl benzoate |
CN1148588A (zh) * | 1996-05-17 | 1997-04-30 | 常熟市金城化工厂 | 苯甲酰氯蒸馏釜残留物的回收方法 |
Non-Patent Citations (1)
Title |
---|
煤焦油与水如何分离;ryn等;《hcbbs.com》;20090811;第1-15页 * |
Also Published As
Publication number | Publication date |
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CN104387262A (zh) | 2015-03-04 |
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CP01 | Change in the name or title of a patent holder |
Address after: 226407 the Yellow Sea three road, Nantong Economic Development Zone, Rudong County, Jiangsu, China Patentee after: Jiangsu BICON Pharmaceutical Co., Ltd. Address before: 226407 the Yellow Sea three road, Nantong Economic Development Zone, Rudong County, Jiangsu, China Patentee before: Jiangsu Jiujiujiu Technology Co., Ltd. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20171227 Address after: 226407 Rudong Economic Development Zone, Nantong, the Yellow Sea, No., No. three road, No. 12 Patentee after: Jiangsu nine Jiangsu jiujiujiu Technology Co. Ltd. Address before: 226407 the Yellow Sea three road, Nantong Economic Development Zone, Rudong County, Jiangsu, China Patentee before: Jiangsu BICON Pharmaceutical Co., Ltd. |