DE69915614D1 - Gebrauch von kontinuierlich variirender leistung in mikrowellen assistierter chemie - Google Patents

Gebrauch von kontinuierlich variirender leistung in mikrowellen assistierter chemie

Info

Publication number
DE69915614D1
DE69915614D1 DE69915614T DE69915614T DE69915614D1 DE 69915614 D1 DE69915614 D1 DE 69915614D1 DE 69915614 T DE69915614 T DE 69915614T DE 69915614 T DE69915614 T DE 69915614T DE 69915614 D1 DE69915614 D1 DE 69915614D1
Authority
DE
Germany
Prior art keywords
sample
duty cycle
microwave
power
continuously
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.)
Expired - Lifetime
Application number
DE69915614T
Other languages
English (en)
Other versions
DE69915614T2 (de
Inventor
Roger Greene
David Allan Barclay
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.)
CEM Corp
Original Assignee
CEM Corp
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 CEM Corp filed Critical CEM Corp
Application granted granted Critical
Publication of DE69915614D1 publication Critical patent/DE69915614D1/de
Publication of DE69915614T2 publication Critical patent/DE69915614T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/80Apparatus for specific applications
    • H05B6/806Apparatus for specific applications for laboratory use
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/12Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
    • B01J19/122Incoherent waves
    • B01J19/126Microwaves
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/66Circuits
    • H05B6/68Circuits for monitoring or control
    • H05B6/681Circuits comprising an inverter, a boost transformer and a magnetron
    • 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
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00054Controlling or regulating the heat exchange system
    • B01J2219/00056Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00058Temperature measurement
    • 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
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00054Controlling or regulating the heat exchange system
    • B01J2219/00056Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00065Pressure measurement
    • 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
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00054Controlling or regulating the heat exchange system
    • B01J2219/00056Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00067Liquid level measurement
    • 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
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00191Control algorithm
    • B01J2219/00193Sensing a parameter
    • B01J2219/00195Sensing a parameter of the reaction system
    • B01J2219/002Sensing a parameter of the reaction system inside 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
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00191Control algorithm
    • B01J2219/00211Control algorithm comparing a sensed parameter with a pre-set value
    • B01J2219/00213Fixed parameter value
    • 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
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00191Control algorithm
    • B01J2219/00222Control algorithm taking actions
    • B01J2219/00227Control algorithm taking actions modifying the operating conditions
    • B01J2219/00229Control algorithm taking actions modifying the operating conditions of the reaction system
    • 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
    • B01J2219/08Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/12Processes employing electromagnetic waves
    • B01J2219/1203Incoherent waves
    • B01J2219/1206Microwaves
    • B01J2219/1209Features relating to the reactor or vessel
    • B01J2219/1212Arrangements of the reactor or the reactors
    • B01J2219/1215Single 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
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/12Processes employing electromagnetic waves
    • B01J2219/1203Incoherent waves
    • B01J2219/1206Microwaves
    • B01J2219/1209Features relating to the reactor or vessel
    • B01J2219/1212Arrangements of the reactor or the reactors
    • B01J2219/1218Multiple reactors
    • 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
    • B01J2219/08Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/12Processes employing electromagnetic waves
    • B01J2219/1203Incoherent waves
    • B01J2219/1206Microwaves
    • B01J2219/1248Features relating to the microwave cavity
    • B01J2219/1251Support for the reaction vessel
    • B01J2219/1257Rotating supports
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/44Sample treatment involving radiation, e.g. heat

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Toxicology (AREA)
  • Organic Chemistry (AREA)
  • Clinical Laboratory Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Saccharide Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
DE69915614T 1998-04-21 1999-04-20 Gebrauch von kontinuierlich variierender leistung in mikrowellen assistierter cemie Expired - Lifetime DE69915614T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US63545 1998-04-21
US09/063,545 US6084226A (en) 1998-04-21 1998-04-21 Use of continuously variable power in microwave assisted chemistry
PCT/US1999/008729 WO1999054035A1 (en) 1998-04-21 1999-04-20 Use of continuously variable power in microwave assisted chemistry

Publications (2)

Publication Number Publication Date
DE69915614D1 true DE69915614D1 (de) 2004-04-22
DE69915614T2 DE69915614T2 (de) 2005-02-03

Family

ID=22049941

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69915614T Expired - Lifetime DE69915614T2 (de) 1998-04-21 1999-04-20 Gebrauch von kontinuierlich variierender leistung in mikrowellen assistierter cemie

Country Status (8)

Country Link
US (2) US6084226A (de)
EP (1) EP1079924B1 (de)
JP (1) JP2002512113A (de)
AT (1) ATE261768T1 (de)
AU (1) AU3658799A (de)
CA (1) CA2329442C (de)
DE (1) DE69915614T2 (de)
WO (1) WO1999054035A1 (de)

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US6084226A (en) * 1998-04-21 2000-07-04 Cem Corporation Use of continuously variable power in microwave assisted chemistry
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FR2798552B1 (fr) * 1999-09-13 2001-11-30 Centre Nat Rech Scient Dispositif assurant une division de puissance micro-onde predeterminee sur une pluralite de charges, notamment pour la production de plasma
US6320170B1 (en) * 1999-09-17 2001-11-20 Cem Corporation Microwave volatiles analyzer with high efficiency cavity
US6548303B2 (en) * 2000-06-23 2003-04-15 Cem Corporation Method and apparatus for rapid fat content determination
US6566637B1 (en) * 2000-06-28 2003-05-20 Cem Corporation Microwave assisted content analyzer
KR100586510B1 (ko) * 2000-12-06 2006-06-07 삼성전자주식회사 전자렌지 및 그 제어방법
US6753517B2 (en) 2001-01-31 2004-06-22 Cem Corporation Microwave-assisted chemical synthesis instrument with fixed tuning
US7220591B2 (en) 2001-12-04 2007-05-22 Cem Corporation Method and apparatus for rapid fat content determination
US7771716B2 (en) * 2001-12-07 2010-08-10 Cytori Therapeutics, Inc. Methods of using regenerative cells in the treatment of musculoskeletal disorders
US7282184B2 (en) * 2002-04-19 2007-10-16 Cem Corporation Microwave assisted chemical synthesis instrument with controlled pressure release
US6833536B2 (en) 2002-05-22 2004-12-21 Applera Corporation Non-contact radiant heating and temperature sensing device for a chemical reaction chamber
US6744024B1 (en) 2002-06-26 2004-06-01 Cem Corporation Reaction and temperature control for high power microwave-assisted chemistry techniques
US6867400B2 (en) * 2002-07-31 2005-03-15 Cem Corporation Method and apparatus for continuous flow microwave-assisted chemistry techniques
US7144739B2 (en) * 2002-11-26 2006-12-05 Cem Corporation Pressure measurement and relief for microwave-assisted chemical reactions
US7393920B2 (en) * 2003-06-23 2008-07-01 Cem Corporation Microwave-assisted peptide synthesis
US7902488B2 (en) * 2003-06-23 2011-03-08 Cem Corporation Microwave-assisted peptide synthesis
US6989519B2 (en) * 2003-09-02 2006-01-24 Cem Corporation Controlled flow instrument for microwave assisted chemistry with high viscosity liquids and heterogeneous mixtures
US7041947B2 (en) * 2003-09-02 2006-05-09 Cem Corporation Controlled flow instrument for microwave assisted chemistry with high viscosity liquids and heterogeneous mixtures
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US7307248B2 (en) 2003-12-09 2007-12-11 Cem Corporation Method and apparatus for microwave assisted high throughput high pressure chemical synthesis
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US7141769B2 (en) * 2005-04-01 2006-11-28 Cem Corporation Spectroscopy-based real-time control for microwave-assisted chemistry
US7405381B2 (en) * 2005-08-23 2008-07-29 Cem, Corporation Real-time imaging and spectroscopy during microwave assisted chemistry
US8314208B2 (en) * 2006-02-10 2012-11-20 Cem Corporation Microwave enhanced N-fmoc deprotection in peptide synthesis
US7955479B2 (en) * 2006-03-07 2011-06-07 Cem Corporation Method and apparatus for conducting microwave assisted organic reactions with gas-phase reactants
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US7581876B2 (en) * 2006-07-15 2009-09-01 Cem Corporation Dual energy source loss-on-drying instrument
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US9161395B2 (en) * 2011-06-30 2015-10-13 Cem Corporation Instrument for performing microwave-assisted reactions
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EP2947998B1 (de) * 2013-01-25 2017-04-05 Bühler Barth GmbH Verfahren und vorrichtung zum trocknen und/oder rösten eines lebensmittels
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US9844101B2 (en) * 2013-12-20 2017-12-12 Scp Science System and method for uniform microwave heating
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Also Published As

Publication number Publication date
AU3658799A (en) 1999-11-08
US6288379B1 (en) 2001-09-11
EP1079924B1 (de) 2004-03-17
DE69915614T2 (de) 2005-02-03
EP1079924A1 (de) 2001-03-07
ATE261768T1 (de) 2004-04-15
CA2329442C (en) 2004-03-30
JP2002512113A (ja) 2002-04-23
CA2329442A1 (en) 1999-10-28
US6084226A (en) 2000-07-04
WO1999054035A1 (en) 1999-10-28

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