CN102836636A - Desulfurization denitration composition, preparation method and application thereof - Google Patents
Desulfurization denitration composition, preparation method and application thereof Download PDFInfo
- Publication number
- CN102836636A CN102836636A CN201210332616XA CN201210332616A CN102836636A CN 102836636 A CN102836636 A CN 102836636A CN 201210332616X A CN201210332616X A CN 201210332616XA CN 201210332616 A CN201210332616 A CN 201210332616A CN 102836636 A CN102836636 A CN 102836636A
- Authority
- CN
- China
- Prior art keywords
- desulphurization denitration
- flue gas
- composition
- denitration composition
- oxygen
- 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.)
- Granted
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- 239000000203 mixture Substances 0.000 title claims abstract description 84
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 238000006477 desulfuration reaction Methods 0.000 title abstract description 35
- 230000023556 desulfurization Effects 0.000 title abstract description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 73
- 239000003546 flue gas Substances 0.000 claims abstract description 73
- 238000000034 method Methods 0.000 claims abstract description 51
- 230000008569 process Effects 0.000 claims abstract description 21
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 53
- 229910052760 oxygen Inorganic materials 0.000 claims description 52
- 239000001301 oxygen Substances 0.000 claims description 52
- 239000002002 slurry Substances 0.000 claims description 16
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 9
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 239000011777 magnesium Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract description 30
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 abstract description 8
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract description 7
- 239000007800 oxidant agent Substances 0.000 abstract description 3
- 230000001590 oxidative effect Effects 0.000 abstract description 3
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 abstract 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 2
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 abstract 2
- 239000012286 potassium permanganate Substances 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 104
- 239000003463 adsorbent Substances 0.000 description 23
- 238000005516 engineering process Methods 0.000 description 20
- 238000006243 chemical reaction Methods 0.000 description 19
- 238000010521 absorption reaction Methods 0.000 description 18
- 239000000395 magnesium oxide Substances 0.000 description 15
- 229910044991 metal oxide Inorganic materials 0.000 description 15
- 150000004706 metal oxides Chemical class 0.000 description 15
- 230000003009 desulfurizing effect Effects 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 12
- 150000001875 compounds Chemical class 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 8
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 8
- 229910052717 sulfur Inorganic materials 0.000 description 8
- 239000011593 sulfur Substances 0.000 description 8
- 241000270666 Testudines Species 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 238000001179 sorption measurement Methods 0.000 description 7
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 7
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 6
- 230000003197 catalytic effect Effects 0.000 description 6
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 6
- 229910002651 NO3 Inorganic materials 0.000 description 5
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 4
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- 238000005273 aeration Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- 238000012827 research and development Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000013522 chelant Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 229940075933 dithionate Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000026676 system process Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000004176 ammonification Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000003421 catalytic decomposition reaction Methods 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910001448 ferrous ion Inorganic materials 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- -1 for example Chemical compound 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000007420 reactivation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Treating Waste Gases (AREA)
Abstract
Description
Sequence number | Parameter | Unit | Numerical value |
1 | Desulfurizer inlet flue gas amount (operating mode) | Nm 3/h | 320000~720000 |
3 | Coal-fired sulfur | % | 0.8-1.2 |
4 | The desulfurizer inlet flue gas temperature | ℃ | 110-160 |
5 | Actual SO 2Content | Mg/Nm 3 | 1300~2000 |
6 | Actual NO XContent | Mg/Nm 3 | 300~450 |
7 | The design desulfurization degree | % | ≥90% |
8 | Design denitration rate | % | ≥50% |
1 | Power consumption | Degree | 260 |
2 | Water consumption | t/h | 30 |
3 | Desulphurization denitration composition consumption | kg/h | 860 |
1 | Power consumption | Degree | 260 |
2 | Water consumption | t/h | 30 |
3 | Desulphurization denitration composition consumption | kg/h | 860 |
1 | Power consumption | Degree | 260 |
2 | Water consumption | t/h | 30 |
3 | Desulphurization denitration composition consumption | kg/h | 860 |
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210332616.XA CN102836636B (en) | 2012-09-11 | 2012-09-11 | Desulfurization denitration composition, preparation method and application thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201210332616.XA CN102836636B (en) | 2012-09-11 | 2012-09-11 | Desulfurization denitration composition, preparation method and application thereof |
Publications (2)
Publication Number | Publication Date |
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CN102836636A true CN102836636A (en) | 2012-12-26 |
CN102836636B CN102836636B (en) | 2015-01-14 |
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CN201210332616.XA Active CN102836636B (en) | 2012-09-11 | 2012-09-11 | Desulfurization denitration composition, preparation method and application thereof |
Country Status (1)
Country | Link |
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CN (1) | CN102836636B (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104446064A (en) * | 2014-12-03 | 2015-03-25 | 北京中晶佳镁环境科技股份有限公司 | Device and method for producing cement by virtue of flue gas desulfurization |
CN104529205A (en) * | 2014-12-03 | 2015-04-22 | 北京中晶佳镁环境科技股份有限公司 | Cement production apparatus and method |
CN104923273A (en) * | 2015-07-07 | 2015-09-23 | 威海诺尔动力设备高新技术有限公司 | Oil catalysis function material and preparation method thereof |
CN107694535A (en) * | 2017-10-30 | 2018-02-16 | 安徽铭能保温科技有限公司 | A kind of modified magnesia fume desulfurizing agent and preparation method thereof |
CN107899588A (en) * | 2017-11-22 | 2018-04-13 | 江苏晶晶新材料有限公司 | A kind of denitrating catalyst and preparation method thereof |
US10131546B2 (en) | 2014-12-03 | 2018-11-20 | Shanghui TONG | Apparatus and method for producing magnesium sulfate from coal-fired boiler flue gas |
CN110385025A (en) * | 2019-08-27 | 2019-10-29 | 邓金营 | A kind of calcium base flue gas desulfurization and denitrification agent and preparation method thereof |
US11339091B2 (en) * | 2017-09-30 | 2022-05-24 | Environment Sustainable System Engineering Technology Co., Ltd. | Cementitious material and production method thereof |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1040616A (en) * | 1988-08-25 | 1990-03-21 | 化学工业部西南化工研究院 | Compound desulfurizing agent of iron-manganese-magnesium system and preparation thereof |
CN101352645A (en) * | 2008-08-29 | 2009-01-28 | 浙江大学 | Flue gas catalytic oxidation denitration technique and catalyst thereof |
CN101632897A (en) * | 2009-08-07 | 2010-01-27 | 清华大学 | Method for simultaneously removing sulfur oxides and nitric oxides in flue gas |
-
2012
- 2012-09-11 CN CN201210332616.XA patent/CN102836636B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1040616A (en) * | 1988-08-25 | 1990-03-21 | 化学工业部西南化工研究院 | Compound desulfurizing agent of iron-manganese-magnesium system and preparation thereof |
CN101352645A (en) * | 2008-08-29 | 2009-01-28 | 浙江大学 | Flue gas catalytic oxidation denitration technique and catalyst thereof |
CN101632897A (en) * | 2009-08-07 | 2010-01-27 | 清华大学 | Method for simultaneously removing sulfur oxides and nitric oxides in flue gas |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104446064A (en) * | 2014-12-03 | 2015-03-25 | 北京中晶佳镁环境科技股份有限公司 | Device and method for producing cement by virtue of flue gas desulfurization |
CN104529205A (en) * | 2014-12-03 | 2015-04-22 | 北京中晶佳镁环境科技股份有限公司 | Cement production apparatus and method |
US10131546B2 (en) | 2014-12-03 | 2018-11-20 | Shanghui TONG | Apparatus and method for producing magnesium sulfate from coal-fired boiler flue gas |
CN104923273A (en) * | 2015-07-07 | 2015-09-23 | 威海诺尔动力设备高新技术有限公司 | Oil catalysis function material and preparation method thereof |
US11339091B2 (en) * | 2017-09-30 | 2022-05-24 | Environment Sustainable System Engineering Technology Co., Ltd. | Cementitious material and production method thereof |
CN107694535A (en) * | 2017-10-30 | 2018-02-16 | 安徽铭能保温科技有限公司 | A kind of modified magnesia fume desulfurizing agent and preparation method thereof |
CN107899588A (en) * | 2017-11-22 | 2018-04-13 | 江苏晶晶新材料有限公司 | A kind of denitrating catalyst and preparation method thereof |
CN107899588B (en) * | 2017-11-22 | 2020-04-17 | 江苏晶晶新材料有限公司 | Denitration catalyst and preparation method thereof |
CN110385025A (en) * | 2019-08-27 | 2019-10-29 | 邓金营 | A kind of calcium base flue gas desulfurization and denitrification agent and preparation method thereof |
Also Published As
Publication number | Publication date |
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CN102836636B (en) | 2015-01-14 |
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Owner name: BEIJING ZHONGJING JIAMEI ENVIRONMENTAL TECHNOLOGY Free format text: FORMER OWNER: BEIJING ESSE CO., LTD. Effective date: 20150805 |
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Effective date of registration: 20150805 Address after: 100176, No. 2, building 30, floor 1, 102 North Street, Beijing economic and Technological Development Zone, Beijing, China Patentee after: BEIJING ZHONGJING JIAMEI ENVIRONMENTAL TECHNOLOGY CO., LTD. Address before: 30-2, building 100176, Beijing University of Technology Software Park, 1 North Sheng Bei Jie, Beijing economic and Technological Development Zone, Beijing, Daxing District Patentee before: Beijing ESSE Co., Ltd. |
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Address after: 100176 Beijing economic and Technological Development Zone, Ronghua Road, No. 10 ronghua international building, room 20, floor 2008, room 3 Patentee after: BEIJING ZHONGJING JIAMEI ENVIRONMENT SCIENCE & TECHNOLOGY CO., LTD. Address before: 100176, No. 2, building 30, floor 1, 102 North Street, Beijing economic and Technological Development Zone, Beijing, China Patentee before: BEIJING ZHONGJING JIAMEI ENVIRONMENTAL TECHNOLOGY CO., LTD. |
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Address after: 100176 Beijing economic and Technological Development Zone, Ronghua Road, No. 10 ronghua international building, room 20, floor 2008, room 3 Patentee after: MICROTEK environmental Polytron Technologies Inc Address before: 100176 Beijing economic and Technological Development Zone, Ronghua Road, No. 10 ronghua international building, room 20, floor 2008, room 3 Patentee before: BEIJING ZHONGJING JIAMEI ENVIRONMENT SCIENCE & TECHNOLOGY CO., LTD. |
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