SA520412404B1 - طريقة لتنقية مذيب لفصل الستايرين عن طريق التقطير الاستخلاصي - Google Patents

طريقة لتنقية مذيب لفصل الستايرين عن طريق التقطير الاستخلاصي

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Publication number
SA520412404B1
SA520412404B1 SA520412404A SA520412404A SA520412404B1 SA 520412404 B1 SA520412404 B1 SA 520412404B1 SA 520412404 A SA520412404 A SA 520412404A SA 520412404 A SA520412404 A SA 520412404A SA 520412404 B1 SA520412404 B1 SA 520412404B1
Authority
SA
Saudi Arabia
Prior art keywords
solvent
extractive distillation
styrene
column
purification
Prior art date
Application number
SA520412404A
Other languages
English (en)
Inventor
بيان زهيفينج
جاو سيليانج
كي سيوان
تيان لونجشينج
زهاو مينج
يانج نان
تانج وينتشينج
Original Assignee
تشاينا بيتروليم آند كيميكالز كوربوريشن
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 تشاينا بيتروليم آند كيميكالز كوربوريشن filed Critical تشاينا بيتروليم آند كيميكالز كوربوريشن
Publication of SA520412404B1 publication Critical patent/SA520412404B1/ar

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/06—Evaporators with vertical tubes
    • B01D1/065—Evaporators with vertical tubes by film evaporating
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/04—Solvent extraction of solutions which are liquid
    • B01D11/0426—Counter-current multistage extraction towers in a vertical or sloping position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/04—Solvent extraction of solutions which are liquid
    • B01D11/0488—Flow sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/04—Solvent extraction of solutions which are liquid
    • B01D11/0492—Applications, solvents used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/10—Vacuum distillation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
    • B01D3/148—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step in combination with at least one evaporator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/40—Extractive distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C15/00—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
    • C07C15/40—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals
    • C07C15/42—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals monocyclic
    • C07C15/44—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals monocyclic the hydrocarbon substituent containing a carbon-to-carbon double bond
    • C07C15/46—Styrene; Ring-alkylated styrenes
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/10—Purification; Separation; Use of additives by extraction, i.e. purification or separation of liquid hydrocarbons with the aid of liquids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

يتعلق الاختراع الحالي بطريقة لتنقية مذيب solvent لفصل الستايرين styrene عن طريق التقطير الاستخلاصي xtractive distillation، تشتمل على: إدخال خام تغذية feedstock يحتوي على الستايرين في عمود تقطير استخلاصي من الوسط، وإدخال مذيب للتقطير الاستخلاصي في عمود التقطير الاستخلاصي من الجزء العلوي؛ بعد التقطير الاستخلاصي، يتم تصريف الزيت الناتج المنقى بالإذابة raffinate oil من أعلى عمود التقطير الاستخلاصي، ويتم تفريغ مذيب غني بالستايرين من أسفل العمود؛ يتم إدخال المذيب الغني في عمود استعادة المذيب من الوسط؛ بعد التقطير الفراغي vacuum distillation ، يتم تفريغ الستايرين الخام crude styrene من أعلى عمود استعادة المذيب، ويتم تصريف المذيب الضعيف من أسفل عمود استعادة المذيب وإعادة تدويره إلى الجزء العلوي من عمود التقطير الاستخلاصي؛ يتم فصل جزء من المذيب الغني وإرساله إلى منطقة تنقية المذيب وإدخال الماء في منطقة تنقية المذيب؛ بعد استخلاص السائل- السائل liquid-liquid extraction ، يتم تصريف خليط من بوليمر ستايرين styrene polymer وستايرين من أعلى منطقة تنقية المذيب؛ ويتم تصريف المذيب المنقى الذي يحتوي على
SA520412404A 2018-01-12 2020-07-08 طريقة لتنقية مذيب لفصل الستايرين عن طريق التقطير الاستخلاصي SA520412404B1 (ar)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810030657 2018-01-12

Publications (1)

Publication Number Publication Date
SA520412404B1 true SA520412404B1 (ar) 2023-07-09

Family

ID=67218875

Family Applications (1)

Application Number Title Priority Date Filing Date
SA520412404A SA520412404B1 (ar) 2018-01-12 2020-07-08 طريقة لتنقية مذيب لفصل الستايرين عن طريق التقطير الاستخلاصي

Country Status (6)

Country Link
US (1) US11465953B2 (ar)
KR (1) KR102672412B1 (ar)
CN (1) CN110028376B (ar)
SA (1) SA520412404B1 (ar)
TW (1) TWI794391B (ar)
WO (1) WO2019137383A1 (ar)

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CN110804486B (zh) * 2019-10-15 2020-12-11 西南化工研究设计院有限公司 一种废润滑油再生的方法及系统
CN111205158B (zh) * 2020-01-09 2022-08-26 广东新华粤华德科技有限公司 一种裂解碳八馏分中苯乙烯脱色精制方法
US11970558B2 (en) 2020-07-22 2024-04-30 Lg Chem, Ltd. Method of recovering solvent and solvent recovery apparatus
CN116064153A (zh) * 2021-11-02 2023-05-05 中国石化工程建设有限公司 一种从裂解汽油碳八馏分中回收苯乙烯和二甲苯的系统和方法

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Also Published As

Publication number Publication date
CN110028376B (zh) 2021-08-06
TWI794391B (zh) 2023-03-01
CN110028376A (zh) 2019-07-19
US11465953B2 (en) 2022-10-11
US20200354292A1 (en) 2020-11-12
RU2020124903A3 (ar) 2022-04-21
TW201936553A (zh) 2019-09-16
KR20200108054A (ko) 2020-09-16
KR102672412B1 (ko) 2024-06-04
WO2019137383A1 (zh) 2019-07-18
RU2020124903A (ru) 2022-02-14

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