KR20130097749A - 미정제 방향족 니트로 화합물의 후처리로부터 유래된 폐수를 정제하는 방법 - Google Patents
미정제 방향족 니트로 화합물의 후처리로부터 유래된 폐수를 정제하는 방법 Download PDFInfo
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- KR20130097749A KR20130097749A KR1020137006008A KR20137006008A KR20130097749A KR 20130097749 A KR20130097749 A KR 20130097749A KR 1020137006008 A KR1020137006008 A KR 1020137006008A KR 20137006008 A KR20137006008 A KR 20137006008A KR 20130097749 A KR20130097749 A KR 20130097749A
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- South Korea
- Prior art keywords
- aqueous phase
- aqueous
- organic
- wastewater
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- 239000002351 wastewater Substances 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 63
- -1 aromatic nitro compounds Chemical class 0.000 title claims abstract description 22
- 238000010626 work up procedure Methods 0.000 title description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 98
- 239000008346 aqueous phase Substances 0.000 claims abstract description 97
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 49
- 238000005406 washing Methods 0.000 claims abstract description 33
- 239000012074 organic phase Substances 0.000 claims abstract description 26
- 238000006396 nitration reaction Methods 0.000 claims abstract description 20
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 18
- 150000002894 organic compounds Chemical class 0.000 claims abstract description 11
- 150000001491 aromatic compounds Chemical class 0.000 claims abstract description 8
- 238000000746 purification Methods 0.000 claims abstract description 8
- 238000005979 thermal decomposition reaction Methods 0.000 claims abstract description 6
- 230000000779 depleting effect Effects 0.000 claims abstract description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 99
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 claims description 70
- 238000004821 distillation Methods 0.000 claims description 26
- 239000002585 base Substances 0.000 claims description 19
- 125000003118 aryl group Chemical group 0.000 claims description 11
- 238000006864 oxidative decomposition reaction Methods 0.000 claims description 7
- 238000000197 pyrolysis Methods 0.000 claims description 7
- 238000005191 phase separation Methods 0.000 claims description 6
- 239000012808 vapor phase Substances 0.000 claims description 4
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 3
- 238000010525 oxidative degradation reaction Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 25
- 239000000047 product Substances 0.000 description 18
- 239000007788 liquid Substances 0.000 description 13
- 239000012071 phase Substances 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000002253 acid Substances 0.000 description 9
- 238000000926 separation method Methods 0.000 description 9
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000000354 decomposition reaction Methods 0.000 description 7
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 6
- 239000000470 constituent Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000005121 nitriding Methods 0.000 description 6
- 238000012856 packing Methods 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 239000007858 starting material Substances 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 5
- RBXVOQPAMPBADW-UHFFFAOYSA-N nitrous acid;phenol Chemical class ON=O.OC1=CC=CC=C1 RBXVOQPAMPBADW-UHFFFAOYSA-N 0.000 description 5
- IQUPABOKLQSFBK-UHFFFAOYSA-N 2-nitrophenol Chemical compound OC1=CC=CC=C1[N+]([O-])=O IQUPABOKLQSFBK-UHFFFAOYSA-N 0.000 description 4
- 229910002651 NO3 Inorganic materials 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- WDCYWAQPCXBPJA-UHFFFAOYSA-N 1,3-dinitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC([N+]([O-])=O)=C1 WDCYWAQPCXBPJA-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000002518 antifoaming agent Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 239000011552 falling film Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 150000002828 nitro derivatives Chemical class 0.000 description 2
- VLZLOWPYUQHHCG-UHFFFAOYSA-N nitromethylbenzene Chemical compound [O-][N+](=O)CC1=CC=CC=C1 VLZLOWPYUQHHCG-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- CPRMKOQKXYSDML-UHFFFAOYSA-M rubidium hydroxide Chemical compound [OH-].[Rb+] CPRMKOQKXYSDML-UHFFFAOYSA-M 0.000 description 2
- FVHAWXWFPBPFOS-UHFFFAOYSA-N 1,2-dimethyl-3-nitrobenzene Chemical group CC1=CC=CC([N+]([O-])=O)=C1C FVHAWXWFPBPFOS-UHFFFAOYSA-N 0.000 description 1
- GABGSSHGUHMTAX-UHFFFAOYSA-N 2,3,4-trinitrophenol Chemical class OC1=CC=C([N+]([O-])=O)C([N+]([O-])=O)=C1[N+]([O-])=O GABGSSHGUHMTAX-UHFFFAOYSA-N 0.000 description 1
- DYSXLQBUUOPLBB-UHFFFAOYSA-N 2,3-dinitrotoluene Chemical compound CC1=CC=CC([N+]([O-])=O)=C1[N+]([O-])=O DYSXLQBUUOPLBB-UHFFFAOYSA-N 0.000 description 1
- UPRARPQURIAAFP-UHFFFAOYSA-N 2,4,5-trinitrobenzene-1,3-diol Chemical class OC1=CC([N+]([O-])=O)=C([N+]([O-])=O)C(O)=C1[N+]([O-])=O UPRARPQURIAAFP-UHFFFAOYSA-N 0.000 description 1
- HFBCIAVKGJCNFB-UHFFFAOYSA-N 2-(trinitromethyl)phenol Chemical class [N+](=O)([O-])C(C1=CC=CC=C1O)([N+](=O)[O-])[N+](=O)[O-] HFBCIAVKGJCNFB-UHFFFAOYSA-N 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 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 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000001651 autotrophic effect Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012455 biphasic mixture Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010960 commercial process Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000000802 nitrating effect Effects 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/025—Thermal hydrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/03—Pressure
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Physical Water Treatments (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Activated Sludge Processes (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10172647A EP2418176A1 (de) | 2010-08-12 | 2010-08-12 | Verfahren zur Aufreinigung von Abwässern aus der Aufarbeitung vom rohem Mononitrobenzol |
| EP10172647.9 | 2010-08-12 | ||
| PCT/EP2011/063835 WO2012025393A1 (de) | 2010-08-12 | 2011-08-11 | Verfahren zur aufreinigung von abwässern aus der aufarbeitung von rohen aromatischen nitroverbindungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20130097749A true KR20130097749A (ko) | 2013-09-03 |
Family
ID=43128210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020137006008A Withdrawn KR20130097749A (ko) | 2010-08-12 | 2011-08-11 | 미정제 방향족 니트로 화합물의 후처리로부터 유래된 폐수를 정제하는 방법 |
Country Status (7)
| Country | Link |
|---|---|
| EP (2) | EP2418176A1 (https=) |
| JP (1) | JP2013538677A (https=) |
| KR (1) | KR20130097749A (https=) |
| CN (1) | CN103080012A (https=) |
| BR (1) | BR112013002247A2 (https=) |
| PT (1) | PT2603461E (https=) |
| WO (1) | WO2012025393A1 (https=) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8933262B2 (en) | 2011-05-24 | 2015-01-13 | Basf Se | Process for preparing polyisocyanates from biomass |
| US8697921B2 (en) | 2011-08-09 | 2014-04-15 | Basf Se | Process for purifying wastewaters from the workup of crude aromatic nitro compounds |
| HUE029723T2 (en) * | 2012-04-25 | 2017-03-28 | Basf Se | A method for washing dinitrotoluene |
| CN102826702A (zh) * | 2012-08-30 | 2012-12-19 | 宁夏宝塔石化集团有限公司 | 一种从苯醇烷基化反应工艺水中去除少量苯或甲苯的方法 |
| EP2986563B1 (de) | 2013-04-18 | 2017-03-01 | Covestro Deutschland AG | Verfahren zur aufarbeitung von abwasser aus der nitrobenzolherstellung |
| US9771291B2 (en) | 2013-04-18 | 2017-09-26 | Covestro Deutschland Ag | Process for working up waste water from nitrobenzene preparation |
| EP3160932B1 (de) * | 2014-06-24 | 2018-03-14 | Covestro Deutschland AG | Verfahren zur herstellung von nitrobenzol |
| MX2021013095A (es) * | 2019-04-29 | 2022-01-24 | Zero Discharge Llc | Aparato y metodo de tratamiento de agua de descarga nula. |
| CN110143631A (zh) * | 2019-06-11 | 2019-08-20 | 聊城煤泗新材料科技有限公司 | 一种节能型废水汽提回收轻质油工艺及其应用 |
| CN110440140B (zh) * | 2019-09-10 | 2024-07-16 | 浙江伟博化工科技有限公司 | 一种增塑剂dinp塔式气体系统 |
| CN111285421A (zh) * | 2020-01-16 | 2020-06-16 | 董国亮 | 一种甲醇制烯烃污水汽提塔系统 |
| CN111689541A (zh) * | 2020-07-17 | 2020-09-22 | 四川北方红光特种化工有限公司 | 硝基酚钠盐废水安全浓缩工艺及浓缩系统 |
| CN115594357B (zh) * | 2022-11-08 | 2024-04-19 | 煤炭科学技术研究院有限公司 | 一种酰化废水分级处理方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4241229A (en) * | 1979-08-08 | 1980-12-23 | American Cyanamid Company | Recovery of nitrated aromatic compounds from nitration wash liquors |
| DE3900932A1 (de) | 1989-01-14 | 1990-07-26 | Basf Ag | Verfahren zur reinigung von nitroaromaten enthaltenden abwaessern |
| DE69026590T2 (de) | 1990-01-04 | 1996-10-31 | Nrm Int Tech | Nitrierungsverfahren |
| DE19815844A1 (de) * | 1998-04-08 | 1999-10-14 | Basf Ag | Verfahren zum Abbau von aromatischen Nitroverbindungen in Abwässern |
| US6288289B1 (en) * | 2000-01-27 | 2001-09-11 | Noram Engineering And Constructors Ltd. | Integrated effluent treatment process for nitroaromatic manufacture |
| AR027590A1 (es) | 2000-03-02 | 2003-04-02 | Dow Chemical Co | Reactor tubular, proceso para conducir las reacciones multifase de liquido/liquido en un reactor tubular, y un proceso para compuestos aromaticos denitracion de anillo en un reactor tubular |
| JP2004230338A (ja) * | 2003-01-31 | 2004-08-19 | Nippon Steel Corp | 廃水からのアンモニア性窒素化合物の除去方法 |
| DE10329304A1 (de) * | 2003-06-30 | 2005-02-03 | Bayer Materialscience Ag | Verfahren zur Aufarbeitung des bei der Herstellung von Dinitrotoluol anfallenden Abwassers |
| DE102004017628A1 (de) * | 2004-04-10 | 2005-11-03 | Bayer Materialscience Ag | Verfahren zur Aufarbeitung von aromatische Nitroverbindungen enthaltenden Abwässern |
| US7928270B2 (en) * | 2006-03-07 | 2011-04-19 | Basf Aktiengesellschaft | Process for distillatively removing dinitrotoluene from process wastewater from the preparation of dinitrotoluene by nitrating of toluene with nitrating acid |
| CN100509664C (zh) * | 2007-04-28 | 2009-07-08 | 黄继国 | 一种适合缺水地区垃圾填埋场渗滤液的处理方法 |
| WO2009027416A1 (de) | 2007-08-30 | 2009-03-05 | Basf Se | Verfahren zur aufarbeitung von abwässern aus der nitrierung |
| CN100522849C (zh) * | 2007-10-30 | 2009-08-05 | 云南亚太环境工程设计研究有限公司 | 一种深度处理氨氮污水的方法 |
| CN101514044A (zh) * | 2009-03-17 | 2009-08-26 | 南京师范大学 | 一种三相流化处理低浓度硝基苯废水的方法 |
-
2010
- 2010-08-12 EP EP10172647A patent/EP2418176A1/de not_active Withdrawn
-
2011
- 2011-08-11 JP JP2013523614A patent/JP2013538677A/ja not_active Ceased
- 2011-08-11 WO PCT/EP2011/063835 patent/WO2012025393A1/de not_active Ceased
- 2011-08-11 PT PT117415901T patent/PT2603461E/pt unknown
- 2011-08-11 BR BR112013002247A patent/BR112013002247A2/pt not_active Application Discontinuation
- 2011-08-11 EP EP11741590.1A patent/EP2603461B1/de active Active
- 2011-08-11 CN CN2011800392943A patent/CN103080012A/zh active Pending
- 2011-08-11 KR KR1020137006008A patent/KR20130097749A/ko not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| PT2603461E (pt) | 2014-11-07 |
| EP2603461B1 (de) | 2014-10-08 |
| EP2418176A1 (de) | 2012-02-15 |
| CN103080012A (zh) | 2013-05-01 |
| JP2013538677A (ja) | 2013-10-17 |
| BR112013002247A2 (pt) | 2016-05-24 |
| EP2603461A1 (de) | 2013-06-19 |
| WO2012025393A1 (de) | 2012-03-01 |
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