SG11202004312SA - A membrane-based method for decolorizing vegetable wax - Google Patents

A membrane-based method for decolorizing vegetable wax

Info

Publication number
SG11202004312SA
SG11202004312SA SG11202004312SA SG11202004312SA SG11202004312SA SG 11202004312S A SG11202004312S A SG 11202004312SA SG 11202004312S A SG11202004312S A SG 11202004312SA SG 11202004312S A SG11202004312S A SG 11202004312SA SG 11202004312S A SG11202004312S A SG 11202004312SA
Authority
SG
Singapore
Prior art keywords
membrane
based method
vegetable wax
decolorizing
decolorizing vegetable
Prior art date
Application number
SG11202004312SA
Inventor
Jianchao Xie
Hongxi Zhang
Original Assignee
Evonik Specialty Chemicals Shanghai Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Evonik Specialty Chemicals Shanghai Co Ltd filed Critical Evonik Specialty Chemicals Shanghai Co Ltd
Publication of SG11202004312SA publication Critical patent/SG11202004312SA/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B11/00—Recovery or refining of other fatty substances, e.g. lanolin or waxes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/027—Nanofiltration
    • B01D61/0271—Nanofiltration comprising multiple nanofiltration steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B01D61/026—Reverse osmosis; Hyperfiltration comprising multiple reverse osmosis steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/027—Nanofiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/1213—Laminated layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/1216—Three or more layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile
    • B01D71/421—Polyacrylonitrile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
    • B01D71/64—Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/70—Polymers having silicon in the main chain, with or without sulfur, nitrogen, oxygen or carbon only
    • B01D71/701—Polydimethylsiloxane
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • C08L91/06—Waxes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/10—Temperature control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/14—Pressure control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/24—Quality control
    • B01D2311/246—Concentration control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/25—Recirculation, recycling or bypass, e.g. recirculation of concentrate into the feed
    • B01D2311/251—Recirculation of permeate
    • B01D2311/2512—Recirculation of permeate to feed side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/25—Recirculation, recycling or bypass, e.g. recirculation of concentrate into the feed
    • B01D2311/252—Recirculation of concentrate
    • B01D2311/2523—Recirculation of concentrate to feed side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2317/00—Membrane module arrangements within a plant or an apparatus
    • B01D2317/02—Elements in series
    • B01D2317/025—Permeate series
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/20—Specific permeability or cut-off range
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/34—Molecular weight or degree of polymerisation
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Nanotechnology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Fats And Perfumes (AREA)
  • Cosmetics (AREA)
SG11202004312SA 2017-11-16 2018-11-12 A membrane-based method for decolorizing vegetable wax SG11202004312SA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711135977.4A CN107803116A (en) 2017-11-16 2017-11-16 The method based on film of plant wax decoloring
PCT/CN2018/114939 WO2019096080A1 (en) 2017-11-16 2018-11-12 A membrane-based method for decolorizing vegetable wax

Publications (1)

Publication Number Publication Date
SG11202004312SA true SG11202004312SA (en) 2020-06-29

Family

ID=61580398

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202004312SA SG11202004312SA (en) 2017-11-16 2018-11-12 A membrane-based method for decolorizing vegetable wax

Country Status (8)

Country Link
US (1) US20210363463A1 (en)
JP (1) JP2021503370A (en)
KR (1) KR20200083585A (en)
CN (1) CN107803116A (en)
PH (1) PH12020550573A1 (en)
SG (1) SG11202004312SA (en)
TW (1) TWI758559B (en)
WO (1) WO2019096080A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107803116A (en) * 2017-11-16 2018-03-16 赢创特种化学（上海）有限公司 The method based on film of plant wax decoloring
EP3632525A1 (en) 2018-10-02 2020-04-08 Evonik Fibres GmbH A device and a process for separating methane from a gas mixture containing methane, carbon dioxide and hydrogen sulfide
JP2021194641A (en) 2020-06-17 2021-12-27 エボニック ファイバース ゲゼルシャフト ミット ベシュレンクテル ハフツングEvonik Fibres GmbH Crosslinked hollow fiber membrane and new production method for the same
CN114230076A (en) * 2021-12-20 2022-03-25 廖崇亨 Metal surface treatment liquid recycling system and operation method thereof

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5130204A (en) * 1974-09-09 1976-03-15 Noda Watsukusu Kk RAISUWATSUKUSUNOSEIZOHO
CZ284042B6 (en) * 1996-02-19 1998-07-15 Setuza A. S. Process of refining glycerol solutions from cleavage of triacylglycerols by making use of membrane filtration
US5651877A (en) * 1996-04-16 1997-07-29 Mobil Oil Corporation Lubricating oil dewaxing with membrane separation
EP1726353A1 (en) * 2005-05-25 2006-11-29 Johnson Diversey, Inc. Membrane filtration of a product
SG188680A1 (en) * 2011-09-14 2013-04-30 Univ Singapore Thin film composite nanofiltration hollow fiber membranes
EP2776544A1 (en) * 2011-11-09 2014-09-17 Evonik Membrane Extraction Technology Limited Membrane-based processes for reducing at least one impurity and making a concentrate comprising at least one natural component from a non-marine fatty acid oil mixture, and compositions resulting thereof
US10202562B2 (en) * 2012-05-07 2019-02-12 Evonik Degussa Gmbh Membrane-based processes for selectively fractionating essential oils
CN103664518A (en) * 2012-08-31 2014-03-26 郸城财鑫糖业有限责任公司 Method for recycling waste alcohol in gellan gum production process
CN104744561A (en) * 2013-12-27 2015-07-01 谷神生物科技集团有限公司 Nanofiltration membrane decoloring method
CN105218707B (en) * 2015-11-10 2017-08-25 军株（大连）生物产业有限公司 It is a kind of to remove pigment, the method for bitter principle in inulin using full membrane process
CN106693706B (en) * 2017-01-17 2019-06-21 中国科学院长春应用化学研究所 A kind of nanofiltration membrane, preparation method and application
CN107803116A (en) * 2017-11-16 2018-03-16 赢创特种化学（上海）有限公司 The method based on film of plant wax decoloring

Also Published As

Publication number Publication date
TW201928036A (en) 2019-07-16
TWI758559B (en) 2022-03-21
WO2019096080A1 (en) 2019-05-23
US20210363463A1 (en) 2021-11-25
KR20200083585A (en) 2020-07-08
PH12020550573A1 (en) 2021-04-19
JP2021503370A (en) 2021-02-12
CN107803116A (en) 2018-03-16

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