CA2527969A1 - Depolymerization method and device - Google Patents

Depolymerization method and device Download PDF

Info

Publication number
CA2527969A1
CA2527969A1 CA002527969A CA2527969A CA2527969A1 CA 2527969 A1 CA2527969 A1 CA 2527969A1 CA 002527969 A CA002527969 A CA 002527969A CA 2527969 A CA2527969 A CA 2527969A CA 2527969 A1 CA2527969 A1 CA 2527969A1
Authority
CA
Canada
Prior art keywords
reactor
polymer material
transfer medium
gas
heat
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.)
Abandoned
Application number
CA002527969A
Other languages
English (en)
French (fr)
Inventor
Egbert Schoela
Mojmir Ruzicka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Roehm GmbH Darmstadt
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2527969A1 publication Critical patent/CA2527969A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/08Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles
    • B01J8/10Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles moved by stirrers or by rotary drums or rotary receptacles or endless belts
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/30Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/333Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/0015Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
    • B01J8/003Feeding of the particles in the reactor; Evacuation of the particles out of the reactor in a downward flow
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/0015Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
    • B01J8/0035Periodical feeding or evacuation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/08Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles
    • B01J8/087Heating or cooling the reactor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/48Separation; Purification; Stabilisation; Use of additives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00017Controlling the temperature
    • B01J2208/00389Controlling the temperature using electric heating or cooling elements
    • B01J2208/00407Controlling the temperature using electric heating or cooling elements outside the reactor bed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00017Controlling the temperature
    • B01J2208/00389Controlling the temperature using electric heating or cooling elements
    • B01J2208/00415Controlling the temperature using electric heating or cooling elements electric resistance heaters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00017Controlling the temperature
    • B01J2208/00513Controlling the temperature using inert heat absorbing solids in the bed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00002Chemical plants
    • B01J2219/00004Scale aspects
    • B01J2219/00006Large-scale industrial plants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/18Details relating to the spatial orientation of the reactor
    • B01J2219/182Details relating to the spatial orientation of the reactor horizontal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/19Details relating to the geometry of the reactor
    • B01J2219/194Details relating to the geometry of the reactor round
    • B01J2219/1941Details relating to the geometry of the reactor round circular or disk-shaped
    • B01J2219/1943Details relating to the geometry of the reactor round circular or disk-shaped cylindrical

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
CA002527969A 2003-06-03 2004-03-20 Depolymerization method and device Abandoned CA2527969A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10325251.7 2003-06-03
DE10325251A DE10325251A1 (de) 2003-06-03 2003-06-03 Verfahren und Anordnung zur Depolymerisation
PCT/EP2004/002954 WO2004106277A1 (de) 2003-06-03 2004-03-20 Verfahren und anordnung zur depolymerisation

Publications (1)

Publication Number Publication Date
CA2527969A1 true CA2527969A1 (en) 2004-12-09

Family

ID=33482496

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002527969A Abandoned CA2527969A1 (en) 2003-06-03 2004-03-20 Depolymerization method and device

Country Status (11)

Country Link
EP (1) EP1631538A1 (es)
JP (1) JP2006526582A (es)
KR (1) KR20060021342A (es)
CN (1) CN100415708C (es)
BR (1) BRPI0411093A (es)
CA (1) CA2527969A1 (es)
DE (1) DE10325251A1 (es)
MX (1) MXPA05013109A (es)
RU (1) RU2355675C2 (es)
WO (1) WO2004106277A1 (es)
ZA (1) ZA200509808B (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8809491B2 (en) * 2009-12-11 2014-08-19 INVISTA North America S.à r.l. Depolymerization of oligomeric cyclic ethers
DE102010050152B4 (de) * 2010-11-02 2016-02-11 Adam Handerek Reaktor und Verfahren zum zumindest teilweisen Zersetzen, insbesondere Depolymerisieren, und/oder Reinigen von Kunststoffmaterial
DE202010015018U1 (de) * 2010-11-07 2011-04-14 Bohnet, Hans Anordnung zur Herstellung von strukturierten Substraten
DE102012220498A1 (de) * 2012-11-09 2014-05-15 Aquafil Engineering Gmbh Verfahren und Vorrichtung zur Behandlung von Polymeren
RU2531942C1 (ru) * 2013-05-22 2014-10-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Национальный исследовательский Томский государственный университет" Камерный модуль реактора синтеза гликолида и лактида
RU2655925C2 (ru) * 2016-07-28 2018-05-30 Федеральное государственное бюджетное учреждение науки Ордена Трудового Красного Знамени Институт нефтехимического синтеза им. А.В. Топчиева Российской академии наук (ИНХС РАН) Способ получения стирола из отходов полистирола
CN113462016A (zh) * 2020-03-30 2021-10-01 中石油吉林化工工程有限公司 一种生产聚甲基丙烯酸甲酯的裂解回收设备
JP7297134B1 (ja) * 2022-09-28 2023-06-23 住友化学株式会社 (メタ)アクリル酸メチルの再生システムおよび(メタ)アクリル酸メチルの再生方法
JP7233595B1 (ja) 2022-09-28 2023-03-06 住友化学株式会社 (メタ)アクリル酸メチルの再生システムおよび(メタ)アクリル酸メチルの再生方法
JP7304477B1 (ja) * 2022-12-14 2023-07-06 住友化学株式会社 ビニル系単量体製造装置
JP7304500B1 (ja) * 2023-02-03 2023-07-06 住友化学株式会社 熱分解装置および熱分解方法
JP7346762B1 (ja) * 2023-04-28 2023-09-19 住友化学株式会社 熱分解装置および再生(メタ)アクリル酸エステルの製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19843112C2 (de) * 1998-09-21 2002-07-18 Roehm Gmbh Verfahren zur Rückgewinnung von monomeren Estern substituierter oder unsubstituierter Acrylsäure aus entsprechende Struktureinheiten aufweisendem Polymermaterial, vorzugsweise durch Depolymerisation von Polymethylmethacrylat

Also Published As

Publication number Publication date
EP1631538A1 (de) 2006-03-08
WO2004106277A1 (de) 2004-12-09
CN1812957A (zh) 2006-08-02
CN100415708C (zh) 2008-09-03
JP2006526582A (ja) 2006-11-24
BRPI0411093A (pt) 2006-07-18
ZA200509808B (en) 2006-08-30
KR20060021342A (ko) 2006-03-07
RU2355675C2 (ru) 2009-05-20
DE10325251A1 (de) 2005-03-24
MXPA05013109A (es) 2006-03-17
RU2005141291A (ru) 2006-08-27

Similar Documents

Publication Publication Date Title
CA2527969A1 (en) Depolymerization method and device
US4820463A (en) Process of degassing and pelletizing polyolefins
AU2017240574B2 (en) Process, apparatus, controller and system for producing petroleum products
EP0040992A1 (en) Process for multi-step gas-phase polymerization of olefins
US6350054B1 (en) Agitator for a horizontal polymerization reactor having contiguous paddle stations with paddles and sub-stations with sub-station paddles
KR20020052168A (ko) 폐플라스틱 및/또는 중유로부터 가솔린과 디젤을 생산하는방법
US4188470A (en) Process for polymerizing ethylene in a gaseous phase
GB2185008A (en) Method of preparing a high-purity polycrystalline silicon
WO1996034019A1 (en) Method for thermally processing polyester pellets
SU957770A3 (ru) Способ получени порошкообразных полиолефинов и установка дл его осуществлени
US4535134A (en) Method and apparatus for controlling the discharge of product from vapor phase polymerization of monomers in a horizontal stirred-bed reactor
US20060205845A1 (en) Depolymerization method and device
AU690002B2 (en) Process for polymerising olefin in gas phase
US4243779A (en) Polycarbonates stabilized by halohydrocarbon, halocarbon or silane groups
WO2003029384A1 (en) Pyrolysis apparatus for processing coarse granules made from plastic and rubber scraps
US4465721A (en) Preparation of polycarbonates
US4414364A (en) Stabilization of polyester
JPS6352650B2 (es)
US3544280A (en) Apparatus for the preparation in mass of vinyl chloride polymers
CN1314717C (zh) 制备间规聚乙烯基芳烃的连续方法
KR950010805B1 (ko) 아세틸렌 제조를 위한 장치 및 공정
CN220969058U (zh) 一种扁平式聚合反应釜、聚酯合成反应系统
CN1207316C (zh) 间规聚苯乙烯颗粒的半连续制备方法
CN1258543C (zh) 间规聚苯乙烯颗粒的半连续制备方法
JPH0421685B2 (es)

Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued

Effective date: 20121019