Technology
| serial number | type | Patent No | patent name | legal status | authorization date |
| 1 | invention | 2008101551294 | A kind of method of NaA molecular sieve membrane synthesis | authorized | 2010/12/1 |
| 2 | invention | 2009102350206 | Repair method of intercrystalline channel of molecular sieve membrane | authorized | 2012/8/29 |
| 3 | invention | 2010106099489 | Recovery process of waste isopropanol solvent in the production of cephalosporin antibiotics | authorized | 2014/4/9 |
| 4 | invention | 2011100483357 | A device and method for synthesizing molecular sieve membrane | authorized | 2013/9/4 |
| 5 | invention | 201210442399X | A kind of n-propanol refining process | authorized | 2014/7/4 |
| 6 | invention | 2013100067505 | A kind of inner membrane preparation method of NaA molecular sieve membrane element | authorized | 2014/7/23 |
| 7 | invention | 2013100248163 | A rectification-steam permeation coupled organic solvent dehydration method and device | authorized | 2015/4/22 |
| 8 | invention | 2013101198903 | A process and device for refining acetonitrile by pervaporation | authorized | 2015/4/22 |
| 9 | utility model | 201320510220X | A pervaporation membrane performance testing device | authorized | 2014/1/16 |
| 10 | invention | 2013103640541 | A process and device for improving the yield of isopropanol by hydrogenation of acetone | authorized | 2015/6/17 |
| 11 | invention | 2013103632795 | A kind of technology that pervaporation recovers tetrahydrofuran | authorized | 2015/6/17 |
| 12 | utility model | 2013208519050 | A device for recovering butanone by pervaporation | authorized | 2014/4/15 |
| 13 | invention | 2013107140287 | A process and device for recovering butanone by pervaporation | authorized | 2015/9/2 |
| 14 | invention | 2013107149493 | A process and device for refining ethylene glycol dimethyl ether by pervaporation | authorized | 2015/9/2 |
| 15 | utility model | 2013208610444 | A tubular membrane module | authorized | 2014/4/24 |
| 16 | invention | 2013107379936 | A pervaporation system and its process for refining biological n-butanol | authorized | 2016/4/27 |
| 17 | invention | 2014102901661 | A method for ethanol recovery in Analgin production | authorized | 2016/2/24 |
| 18 | invention | 2014102911907 | Method for the recovery and utilization of ethanol in the production of p-thymphenylphenylserine ethyl ester | authorized | 2016/4/27 |
| 19 | utility model | 2014203484187 | Recovery device for waste acetone dehydrating agent produced from seaweed fiber silk | authorized | 2014/11/26 |
| 20 | invention | 2014102955464 | Recycling process and device for waste acetone dehydrating agent produced from seaweed fiber | authorized | 2015/10/14 |
| twenty one | utility model | 2014204645148 | A refining device for the ammoniation of acetic acid to synthesize acetonitrile | authorized | 2014/12/31 |
| twenty two | invention | 2014104049888 | A kind of refining method and device for ammoniation of acetic acid to synthesize acetonitrile | authorized | 2017/1/18 |
| twenty three | utility model | 2014205470761 | A kind of production device of biomass anhydrous ethanol | authorized | 2014/12/31 |
| twenty four | utility model | 2014205470102 | A tubular membrane seal structure | authorized | 2014/12/31 |
| 25 | utility model | 2014205466713 | A rectification-steam permeation coupled device for producing diethyl maleate | authorized | 2015/3/18 |
| 26 | invention | 2014104875939 | A kind of rectification-steam permeation coupled method and device for producing diethyl maleate | authorized | 2015/11/18 |
| 27 | invention | 2014104869177 | A kind of production method and device of biomass anhydrous ethanol | authorized | 2016/6/29 |
| 28 | utility model | 201420844354X | A membrane module for tubular membranes coated with a separation layer on the inner wall | authorized | 2015/6/17 |
| 29 | utility model | 2014208443709 | A refining device for esterification synthesis of n-propyl acetate | authorized | 2015/6/17 |
| 30 | Exterior | 2014305545937 | Pervaporation membrane test device (I) | authorized | 2015/7/15 |
| 31 | Exterior | 2014305546658 | Pervaporation membrane test device (II) | authorized | 2015/7/15 |
| 32 | invention | 2014108277686 | A refining method and device for esterification synthesis of n-propyl acetate | authorized | 2016/11/23 |
| 33 | utility model | 2015204010638 | A recovery and refining device for acetonitrile in the synthesis of ceftriaxone sodium | authorized | 2015/10/28 |
| 34 | utility model | 2015204035993 | A synthesis device of ethyl hexanoate coupled with reaction and steam permeation dehydration | authorized | 2015/11/11 |
| 35 | utility model | 2015204020818 | A device for the synthesis of diethyl oxalate in a steam permeation dehydration process | authorized | 2015/11/11 |
| 36 | utility model | 2015204030472 | A device for producing ethyl formate coupled with reactive distillation and steam permeation membrane | authorized | 2015/11/18 |
| 37 | invention | 2015103210449 | A method and device for recovering and refining acetonitrile in the synthesis of ceftriaxone sodium | authorized | 2017/7/14 |
| 38 | utility model | 2015205316903 | A kind of preparation device of NaA molecular sieve membrane | authorized | 2015/12/23 |
| 39 | invention | 2015104299869 | A kind of preparation method and device of NaA molecular sieve membrane | authorized | 2017/7/14 |
| 40 | invention | 2015104309254 | A kind of preparation method of molecular sieve membrane support body | authorized | 2017/11/7 |
| 41 | utility model | 2015208676489 | A device for recovering ethanol in the production of hexanitrobibenzyl | authorized | 2016/3/23 |
| 42 | utility model | 2015208679947 | A tubular membrane seal structure | authorized | 2016/6/29 |
| 43 | invention | 2015107379780 | A method and device for recovering ethanol in the production of hexanitrobibenzyl | authorized | 2017/8/25 |
| 44 | utility model | 2015211203438 | A double-membrane brine refining device in a full-halogen soda production | authorized | 2016/6/29 |
| 45 | invention | 2015110117393 | Process and device for refining brine by double-membrane method in all-halogen soda production | authorized | 2/9/2018 |
| 46 | utility model | 2015211378235 | A shell-and-tube membrane module | authorized | 2016/6/15 |
| 47 | utility model | 2015211325558 | A device for producing high-purity ethanol | authorized | 2016/6/29 |
| 48 | utility model | 2015211298781 | A refining device for the synthesis of ethyl acetate esterification | authorized | 2016/6/29 |
| 49 | invention | 2015110239564 | A refining method and device for esterification synthesis of ethyl acetate | authorized | 2017/8/25 |
| 50 | invention | 2015110267441 | A process and device for producing high-purity ethanol | authorized | 2017/12/26 |
| 51 | utility model | 2016209402620 | A refining device for dehydration and dealcoholization of ethyl acetate waste liquid in the packaging and printing industry | authorized | 2017/3/22 |
| 52 | utility model | 201620940264X | A device for recovering pyridine by rectification-steam permeation coupling method | authorized | 2017/3/22 |
| 53 | utility model | 201620941500X | A device for producing methyl ethyl ketone by gas-phase dehydrogenation of sec-butanol | authorized | 2017/3/22 |
| 54 | invention | 201610722685X | A process and device for recovering pyridine by rectification-steam permeation coupling method | authorized | 2018/8/3 |
| 55 | utility model | 2016209426790 | A kind of preparation device of molecular sieve membrane | authorized | 2017/3/22 |
| 56 | utility model | 2016209403996 | A device for the synthesis of ethyl lactate by steam permeation dehydration technology | authorized | 2017/3/22 |
| 57 | utility model | 2016209403962 | A kind of production device of potassium tert-butoxide | authorized | 2017/3/22 |
| 58 | invention | 2016107238166 | Preparation method and device of a molecular sieve membrane | authorized | 2019/4/5 |
| 59 | utility model | 2016212222197 | A comprehensive treatment device for vitamin B2 waste water resource utilization | authorized | 2017/5/31 |
| 60 | utility model | 2016212452555 | A device for synthesizing triethyl citrate by steam permeation dehydration technology | authorized | 2017/6/27 |
| 61 | utility model | 2016212603339 | A tubular membrane module sealing structure, membrane module | authorized | 2017/7/14 |
| 62 | invention | 2016110392249 | A tubular membrane module sealing structure, membrane module and its application in pervaporation solvent dehydration | authorized | 2022/11/18 |
| 63 | utility model | 2017210739466 | A tubular membrane module | authorized | 5/25/2018 |
| 64 | utility model | 2017211847805 | A fusel oil recycling device and a coal-to-methanol production device | authorized | 2018/8/9 |
| 65 | invention | 2017108342674 | A method and device for purifying oligosaccharides | authorized | 2023/6/6 |
| 66 | utility model | 2017211854419 | A kind of purifying device of oligosaccharide | authorized | 2018/7/17 |
| 67 | utility model | 2017214011602 | A kind of extrusion mold of ceramic support body | authorized | 2018/5/11 |
| 68 | utility model | 2017217781479 | An ethanol production device | authorized | 2/15/2019 |
| 69 | utility model | 2017217869418 | A device for preparing molecular sieve membrane | authorized | 2018/8/7 |
| 70 | invention | 2018108897456 | A kind of NaA molecular sieve membrane, preparation method and application thereof | authorized | 2022/3/15 |
| 71 | utility model | 2018213487137 | Integrated filter element for drinking water purifier | authorized | 2019/5/7 |
| 72 | utility model | 2018218200114 | A recovery device for high-purity acetonitrile in polypeptide synthesis | authorized | 2019/11/8 |
| 73 | invention | 2018113817057 | A wastewater treatment process (former name: a new dichloroethane/acetonitrile wastewater treatment process) | authorized | 2023/5/9 |
| 74 | utility model | 2018219166159 | A dichloroethane/acetonitrile wastewater treatment device | authorized | 2019/7/26 |
| 75 | utility model | 2018219164986 | A purification device for tetrahydrofuran in a mixture of hexane, tetrahydrofuran and water | authorized | 2019/10/11 |
| 76 | Exterior | 201830684478X | Steam permeation industrial equipment | authorized | 2019/10/11 |
| 77 | utility model | 201921710724X | NaA molecular sieve membrane film-making liquid production device and molecular sieve membrane preparation device | authorized | 2021/1/19 |
| 78 | utility model | 2019220854116 | A tetrahydrofuran-benzene-water mixture separation device | authorized | 2021/1/15 |
| 79 | utility model | 2019220884821 | A kind of preparation device of anhydrous electronic grade ethanol | authorized | 2020/10/16 |
| 80 | utility model | 2019220850793 | A recovery device for acetone waste liquid in cephalosporin synthesis | authorized | 2020/8/7 |
| 81 | utility model | 202023313012X | A recovery and purification device for coal-based ethylene glycol by-product ethanol | authorized | 2021/10/8 |
| 82 | utility model | 2020232935916 | A tetrahydrofuran recovery and refining device | authorized | 2021/10/1 |
| 83 | utility model | 2020232936533 | A kind of production device of sodium isopropoxide | authorized | 2021/10/22 |
| 84 | utility model | 2021210496992 | A kind of separation and purification device of isopropanol-myrcene-water mixture | authorized | 2021/12/10 |
| 85 | utility model | 2021210208995 | A pervaporation membrane module for preparing high-purity organic solvents | authorized | 2022/2/22 |
| 86 | invention | 2021115147795 | Preparation method and device of a flat molecular sieve membrane | authorized | 2023/6/1 |
| 87 | utility model | 2021214116117 | A tubular membrane sealing structure and pervaporation membrane module | authorized | 2022/2/11 |
| 88 | invention | 2021111731956 | A method for repairing a support for preparing a molecular sieve membrane | authorized | 2023/5/12 |
| 89 | utility model | 2021224169892 | A Membrane Adsorption Coupled Device for Preparation of Low Water Content THF | authorized | 2022/4/12 |
| 90 | utility model | 2021230663930 | Acetonitrile recovery and refining device in the synthesis of meropenem | authorized | 2022/5/10 |
| 91 | utility model | 202123310807X | A rectification device for recovering toluene and dimethyltetrahydrofuran | authorized | 2022/7/12 |
| 92 | utility model | 2021233108065 | A rapid detection device for molecular sieve membrane separation performance | authorized | 2022/6/3 |
| 93 | utility model | 2022208583605 | A device for preparing ethyl p-nitrobenzoate by esterification-steam permeation coupling method | authorized | 2022/9/16 |
| 94 | utility model | 2022227800265 | A kind of organic solvent recovery device in SBC production | authorized | 2023/5/16 |
| 95 | utility model | 2022231888635 | A hydrogen purge gas recovery device containing soluble volatile organic compounds | authorized | 2023/5/9 |