CN107298454B - 一种利用废弃蒽醌再生剂制备活性氧化铝的方法 - Google Patents
一种利用废弃蒽醌再生剂制备活性氧化铝的方法 Download PDFInfo
- Publication number
- CN107298454B CN107298454B CN201710646386.7A CN201710646386A CN107298454B CN 107298454 B CN107298454 B CN 107298454B CN 201710646386 A CN201710646386 A CN 201710646386A CN 107298454 B CN107298454 B CN 107298454B
- Authority
- CN
- China
- Prior art keywords
- anthraquinone
- discarded
- regenerative agent
- activated alumina
- added
- 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.)
- Active
Links
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 147
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 150000004056 anthraquinones Chemical class 0.000 title claims abstract description 86
- 230000001172 regenerating effect Effects 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 88
- 239000000843 powder Substances 0.000 claims abstract description 45
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 239000012043 crude product Substances 0.000 claims abstract description 26
- 238000000926 separation method Methods 0.000 claims abstract description 26
- 239000008367 deionised water Substances 0.000 claims abstract description 25
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000002253 acid Substances 0.000 claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 15
- 238000001125 extrusion Methods 0.000 claims abstract description 13
- 239000003381 stabilizer Substances 0.000 claims abstract description 8
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 24
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 18
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 16
- 229910017604 nitric acid Inorganic materials 0.000 claims description 16
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 15
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 14
- OERNJTNJEZOPIA-UHFFFAOYSA-N zirconium nitrate Chemical compound [Zr+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O OERNJTNJEZOPIA-UHFFFAOYSA-N 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 13
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 239000004115 Sodium Silicate Substances 0.000 claims description 7
- 241000219793 Trifolium Species 0.000 claims description 7
- 229960000583 acetic acid Drugs 0.000 claims description 7
- 239000012362 glacial acetic acid Substances 0.000 claims description 7
- 235000019795 sodium metasilicate Nutrition 0.000 claims description 7
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 244000275012 Sesbania cannabina Species 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 14
- 241000219782 Sesbania Species 0.000 description 10
- 239000011148 porous material Substances 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 6
- 238000009826 distribution Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000012224 working solution Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000008929 regeneration Effects 0.000 description 5
- 238000011069 regeneration method Methods 0.000 description 5
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 4
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 239000007857 degradation product Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 229910001593 boehmite Inorganic materials 0.000 description 3
- 239000002274 desiccant Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- -1 alkyl hydrogen anthraquinone Chemical class 0.000 description 2
- RGHILYZRVFRRNK-UHFFFAOYSA-N anthracene-1,2-dione Chemical compound C1=CC=C2C=C(C(C(=O)C=C3)=O)C3=CC2=C1 RGHILYZRVFRRNK-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 229940126678 chinese medicines Drugs 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005984 hydrogenation reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000002336 sorption--desorption measurement Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- BJOAMCSNLUKBSK-UHFFFAOYSA-N 2h-dibenzo-p-dioxin-1-one Chemical compound O1C2=CC=CC=C2OC2=C1C(=O)CC=C2 BJOAMCSNLUKBSK-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- WUOFAZKBVWWYER-UHFFFAOYSA-N anthracene-9,10-dione;hydrogen peroxide Chemical compound OO.C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 WUOFAZKBVWWYER-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000000855 fungicidal effect Effects 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000000634 powder X-ray diffraction Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 229940126680 traditional chinese medicines Drugs 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/021—After-treatment of oxides or hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/14—Pore volume
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Catalysts (AREA)
Abstract
Description
检测项目 | 市售的活性氧化铝 | 实施例5活性氧化铝 |
晶型 | γ | γ |
外观(直径/mm) | 直径3三叶草 | 直径3三叶草 |
堆密度/g.ml<sup>-1</sup> | 0.61 | 0.59 |
抗压碎强度/N | 54.8 | 53.1 |
比表面积/m<sup>2</sup>.g<sup>-1</sup> | 221.5 | 238.6 |
孔容/cm<sup>3</sup>·g<sup>-1</sup> | 0.62 | 0.65 |
吸水率/% | 54.1 | 55.3 |
磨耗率/% | 0.13 | 0.12 |
粉尘/% | 0.20 | 0.15 |
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710646386.7A CN107298454B (zh) | 2017-08-01 | 2017-08-01 | 一种利用废弃蒽醌再生剂制备活性氧化铝的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710646386.7A CN107298454B (zh) | 2017-08-01 | 2017-08-01 | 一种利用废弃蒽醌再生剂制备活性氧化铝的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107298454A CN107298454A (zh) | 2017-10-27 |
CN107298454B true CN107298454B (zh) | 2019-02-22 |
Family
ID=60133774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710646386.7A Active CN107298454B (zh) | 2017-08-01 | 2017-08-01 | 一种利用废弃蒽醌再生剂制备活性氧化铝的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107298454B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111001401B (zh) * | 2019-10-28 | 2022-11-29 | 浙江恒逸石化研究院有限公司 | 以废白土为原料制备蒽醌降解物再生剂的方法和蒽醌降解物再生剂及其应用 |
CN110980654B (zh) * | 2019-12-30 | 2023-04-14 | 广西田东达盛化工科技有限公司 | 一种过氧化氢生产中活性氧化铝球的清理方法 |
CN111282557B (zh) * | 2020-03-03 | 2021-03-16 | 王晶晶 | 一种双氧水生产中废氧化铝的再生方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1579941A (zh) * | 2004-05-14 | 2005-02-16 | 山东铝业股份有限公司 | 高纯氧化铝粉体的制备方法 |
CN103877957A (zh) * | 2014-03-12 | 2014-06-25 | 广西壮族自治区化工研究院 | 蒽醌法制备过氧化氢用再生剂及其制备方法 |
CN103879969A (zh) * | 2014-03-12 | 2014-06-25 | 广西新晶科技有限公司 | 蒽醌法制备过氧化氢用再生剂的制备方法 |
CN104475175A (zh) * | 2014-12-17 | 2015-04-01 | 烟台百川汇通科技有限公司 | 一种蒽醌法生产双氧水用的钯催化剂的再生方法 |
CN106629796A (zh) * | 2016-12-13 | 2017-05-10 | 杭州贝采催化剂有限公司 | 一种废弃工业活性氧化铝活化再生的方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000239006A (ja) * | 1998-12-24 | 2000-09-05 | Sumitomo Chem Co Ltd | 過酸化水素製造用活性アルミナ成形体及びその製造方法並びにそれを用いてなる過酸化水素製造用作働液の精製方法 |
-
2017
- 2017-08-01 CN CN201710646386.7A patent/CN107298454B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1579941A (zh) * | 2004-05-14 | 2005-02-16 | 山东铝业股份有限公司 | 高纯氧化铝粉体的制备方法 |
CN103877957A (zh) * | 2014-03-12 | 2014-06-25 | 广西壮族自治区化工研究院 | 蒽醌法制备过氧化氢用再生剂及其制备方法 |
CN103879969A (zh) * | 2014-03-12 | 2014-06-25 | 广西新晶科技有限公司 | 蒽醌法制备过氧化氢用再生剂的制备方法 |
CN104475175A (zh) * | 2014-12-17 | 2015-04-01 | 烟台百川汇通科技有限公司 | 一种蒽醌法生产双氧水用的钯催化剂的再生方法 |
CN106629796A (zh) * | 2016-12-13 | 2017-05-10 | 杭州贝采催化剂有限公司 | 一种废弃工业活性氧化铝活化再生的方法 |
Also Published As
Publication number | Publication date |
---|---|
CN107298454A (zh) | 2017-10-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107298454B (zh) | 一种利用废弃蒽醌再生剂制备活性氧化铝的方法 | |
Fan et al. | A graphene-supported copper-based catalyst for the hydrogenation of carbon dioxide to form methanol | |
Guo et al. | Desulfurization activity of nickel supported on acid-treated activated carbons | |
CN100369666C (zh) | 含硅纳米氧化钙高温二氧化碳吸附剂和该吸附剂的制备方法以及在制氢工艺中的应用 | |
Wang et al. | Catalytic properties of Pd/HY catalysts modified with NH4F for acetylene hydrochlorination | |
CN106179440A (zh) | 氮掺杂多级孔炭及其制备方法和应用 | |
CN104549246B (zh) | 一种钯基加氢催化剂及其在蒽醌加氢中的应用 | |
CN106423200B (zh) | 一种流化床加氢催化剂及其制备方法 | |
Zhou et al. | Ni-based catalysts derived from a metal-organic framework for selective oxidation of alkanes | |
Xiao et al. | Novel functional fiber loaded with carbon dots for the deep removal of Cr (VI) by adsorption and photocatalytic reduction | |
CN106540698A (zh) | 一种氯代硝基苯选择性加氢合成氯代苯胺的负载型镍基催化剂的制备方法 | |
CN109956489A (zh) | 蒽醌法生产过氧化氢过程中废活性氧化铝的回收方法 | |
Hao et al. | Facile preparation of Ti 3+ self-doped TiO 2 nanoparticles and their dramatic visible photocatalytic activity for the fast treatment of highly concentrated Cr (vi) effluent | |
CN109806864B (zh) | 一种氯化氢氧化制氯气的高稳定性催化剂 | |
Holtz et al. | Synthesis and characterization of polymeric activated carbon-supported vanadium and magnesium catalysts for ethylbenzene dehydrogenation | |
CN109908906A (zh) | 一种制合成气催化剂及其制备方法 | |
Goscianska et al. | The influence of silver on the physicochemical and catalytic properties of activated carbons | |
Vo et al. | Cu (I)-loaded boehmite microspheres prepared by the continuous flow-assisted spray-drying method for selective carbon monoxide separation | |
Hu et al. | Promoting effect of Ru-doped Mn/TiO 2 catalysts for catalytic oxidation of chlorobenzene | |
CN102500322B (zh) | 一种负载二氧化钛的活性炭吸附剂的制备方法 | |
CN114100560A (zh) | 一种钛基锂离子交换体的制备方法 | |
CN109692663A (zh) | 一种用于氨气回收利用的吸附剂及其制备方法 | |
Lin et al. | Influence of the structural and surface characteristics of activated carbon on the catalytic decomposition of hydrogen iodide in the sulfur–iodine cycle for hydrogen production | |
CN109692662A (zh) | 一种氨气吸附剂及其制备方法 | |
CN102491388B (zh) | 一种纳米介孔氧化铝的制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 530001 No.7, beierli, Wangzhou Road, XiXiangTang District, Nanning City, Guangxi Zhuang Autonomous Region Patentee after: GUANGXI RESEARCH INSTITUTE OF CHEMICAL INDUSTRY Co.,Ltd. Address before: 530001 No.7, beierli, Wangzhou Road, XiXiangTang District, Nanning City, Guangxi Zhuang Autonomous Region Patentee before: Guangxi Research Institute of Chemical Industry |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20171027 Assignee: GUANGXI NANNING LVJING FUNCTIONAL POLYMER MATERIALS Co.,Ltd. Assignor: GUANGXI RESEARCH INSTITUTE OF CHEMICAL INDUSTRY Co.,Ltd. Contract record no.: X2023980046597 Denomination of invention: A method for preparing activated alumina using waste anthraquinone regenerant Granted publication date: 20190222 License type: Common License Record date: 20231108 |