NL7109804A - - Google Patents

Info

Publication number
NL7109804A
NL7109804A NL7109804A NL7109804A NL7109804A NL 7109804 A NL7109804 A NL 7109804A NL 7109804 A NL7109804 A NL 7109804A NL 7109804 A NL7109804 A NL 7109804A NL 7109804 A NL7109804 A NL 7109804A
Authority
NL
Netherlands
Application number
NL7109804A
Other versions
NL141851B (nl
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 filed Critical
Publication of NL7109804A publication Critical patent/NL7109804A/xx
Publication of NL141851B publication Critical patent/NL141851B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/148—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
    • C07C7/17—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound with acids or sulfur oxides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/005—Processes comprising at least two steps in series
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/04—Purification; Separation; Use of additives by distillation
    • C07C7/05—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds
    • C07C7/08—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds by extractive distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/148—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
    • C07C7/163—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound by hydrogenation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/20—Use of additives, e.g. for stabilisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
NL717109804A 1970-07-18 1971-07-15 Werkwijze voor het afscheiden van zuiver styreen uit produkten verkregen door het thermisch kraken van aardolie of aardolieprodukten. NL141851B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45062702A JPS5021B1 (fr) 1970-07-18 1970-07-18

Publications (2)

Publication Number Publication Date
NL7109804A true NL7109804A (fr) 1972-01-20
NL141851B NL141851B (nl) 1974-04-16

Family

ID=13207886

Family Applications (1)

Application Number Title Priority Date Filing Date
NL717109804A NL141851B (nl) 1970-07-18 1971-07-15 Werkwijze voor het afscheiden van zuiver styreen uit produkten verkregen door het thermisch kraken van aardolie of aardolieprodukten.

Country Status (5)

Country Link
US (1) US3763015A (fr)
JP (1) JPS5021B1 (fr)
DE (1) DE2135622C3 (fr)
GB (1) GB1318155A (fr)
NL (1) NL141851B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0852257A1 (fr) 1997-01-02 1998-07-08 Dsm N.V. Procédé de décoloration de distillats craqués

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040912A (en) * 1974-12-09 1977-08-09 Cosden Technology, Inc. Polymerization inhibitor for vinyl aromatic compounds
US3986937A (en) * 1974-12-09 1976-10-19 Cosden Technology, Inc. Polymerization inhibitor for vinyl aromatic compounds
US3964978A (en) * 1974-12-09 1976-06-22 Cosden Technology, Inc. NO2 polymerization inhibitor for vinyl aromatic compound distillation
US3964979A (en) * 1974-12-09 1976-06-22 Cosden Technology, Inc. NO polymerization inhibitor for vinyl aromatic compound distillation
US4033829A (en) * 1974-12-26 1977-07-05 Monsanto Company Process for inhibiting polymerization of styrene during distillation
NL7509991A (nl) * 1975-08-25 1977-03-01 Stamicarbon Werkwijze voor het winnen van styreen uit gekraakte koolwaterstoffen.
US4115208A (en) * 1975-08-25 1978-09-19 Stamicarbon, B.V. Recovery of styrene from cracked hydrocarbon fractions
US4061545A (en) * 1976-02-19 1977-12-06 Cosden Technology, Inc. Polymerization inhibitor for vinyl aromatic compounds
US4129605A (en) * 1977-01-28 1978-12-12 Phillips Petroleum Company Recovering styrene by complexing with copper(I) sulfonates
US4177110A (en) * 1978-07-18 1979-12-04 Cosden Technology, Inc. Method for the distillation of vinyl aromatic compounds using polymerization inhibitors with low-volatility
US5318882A (en) * 1989-05-16 1994-06-07 Taiyo Yuden Co., Ltd. Optical recording medium containing a light stabilizer comprised of aryl nitrogen compound
US4959128A (en) * 1990-02-26 1990-09-25 Lloyd Berg Separation of styrene from ethyl benzene by extractive distillation
US4966656A (en) * 1990-06-04 1990-10-30 Lloyd Berg Separation of styrene from ethyl benzene or o-xylene by azeotropic or extractive distillation with esters
ZA972966B (en) * 1996-05-21 1997-11-21 Glitsch Int Inc Recovery of styrene from purolysis gasoline by extractive distillation.
US5877385A (en) * 1996-05-21 1999-03-02 Hfm International, Inc. Process including extractive distillation and/or dehydrogenation to produce styrene from petroleum feedstock including ethyl-benzene/xylene mixtures
DE102005029643B3 (de) * 2005-06-23 2006-07-20 Uhde Gmbh Verfahren zur Gewinnung von Reinstyrol aus einer Pyrolysebenzinfraktion
CN101429090B (zh) * 2007-11-07 2012-05-09 中国石油化工股份有限公司 裂解汽油回收苯乙烯的脱色方法
CN101429091B (zh) * 2007-11-07 2011-07-20 中国石油化工股份有限公司 萃取精馏回收苯乙烯的脱色方法
US8771476B2 (en) * 2009-07-17 2014-07-08 Gtc Technology Lp Methods for inhibiting polymerization of vinyl aromatic compounds during extractive distillation
US8460517B2 (en) * 2009-09-02 2013-06-11 Gtc Technology Us Llc Methods and apparatuses for steam addition to a reboiler coupled to an extractive distillation column for improved extractive distillation
CN104211560B (zh) * 2013-06-05 2016-08-10 中国石油天然气股份有限公司 一种裂解汽油c8馏分回收苯乙烯工艺中的脱色方法
CN104744206B (zh) * 2013-12-30 2016-08-17 中国石油化工股份有限公司 从裂解汽油c8馏分中萃取蒸馏回收苯乙烯的方法
US10301235B1 (en) 2016-02-19 2019-05-28 Agilyx Corporation Systems and methods for recycling waste plastics, including waste polystyrene
CN108728155B (zh) * 2017-04-13 2020-04-17 北京安耐吉能源工程技术有限公司 一种复合溶剂及其应用
CN108610230A (zh) * 2018-03-09 2018-10-02 惠州大亚湾伊科思新材料科技发展有限公司 一种控制苯乙烯抽提装置脱色后苯乙烯pH值的方法和装置
CN108752160A (zh) * 2018-07-27 2018-11-06 张�浩 裂解汽油抽提粗苯乙烯降碳九除杂质脱色降低微量水的方法
WO2020144165A1 (fr) 2019-01-07 2020-07-16 Ineos Styrolution Group Gmbh Procédé de dépolymérisation de polymères contenant des monomères styréniques et de récupération de monomères styréniques
RU2722271C1 (ru) * 2019-10-02 2020-05-28 Федеральное государственное бюджетное образовательное учреждение высшего образования "Уфимский государственный нефтяной технический университет" Способ выделения стирола из фракции C8 пироконденсата
CN113912470A (zh) * 2020-07-09 2022-01-11 中国石化工程建设有限公司 一种回收硝酸的方法及装置
KR20230119654A (ko) 2020-12-10 2023-08-16 아질릭스 코포레이션 폐 플라스틱을 재활용하기 위한 시스템 및 방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0852257A1 (fr) 1997-01-02 1998-07-08 Dsm N.V. Procédé de décoloration de distillats craqués

Also Published As

Publication number Publication date
DE2135622B2 (de) 1975-03-13
GB1318155A (en) 1973-05-23
US3763015A (en) 1973-10-02
JPS5021B1 (fr) 1975-01-06
NL141851B (nl) 1974-04-16
DE2135622C3 (de) 1975-10-23
DE2135622A1 (de) 1972-01-27

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: TORAY

V4 Discontinued because of reaching the maximum lifetime of a patent