ATE261768T1 - Gebrauch von kontinuierlich variirender leistung in mikrowellen assistierter chemie - Google Patents

Gebrauch von kontinuierlich variirender leistung in mikrowellen assistierter chemie

Info

Publication number
ATE261768T1
ATE261768T1 AT99918742T AT99918742T ATE261768T1 AT E261768 T1 ATE261768 T1 AT E261768T1 AT 99918742 T AT99918742 T AT 99918742T AT 99918742 T AT99918742 T AT 99918742T AT E261768 T1 ATE261768 T1 AT E261768T1
Authority
AT
Austria
Prior art keywords
sample
power
duty cycle
microwave
assisted chemistry
Prior art date
Application number
AT99918742T
Other languages
English (en)
Inventor
Gary Roger Greene
David Allan Barclay
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 ATE261768T1 publication Critical patent/ATE261768T1/de

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/80—Apparatus for specific applications
    • H05B6/806—Apparatus for specific applications for laboratory use
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
    • B01J19/122—Incoherent waves
    • B01J19/126—Microwaves
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/66—Circuits
    • H05B6/68—Circuits for monitoring or control
    • H05B6/681—Circuits comprising an inverter, a boost transformer and a magnetron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00054—Controlling or regulating the heat exchange system
    • B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00058—Temperature measurement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00054—Controlling or regulating the heat exchange system
    • B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00065—Pressure measurement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00054—Controlling or regulating the heat exchange system
    • B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00067—Liquid level measurement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00191—Control algorithm
    • B01J2219/00193—Sensing a parameter
    • B01J2219/00195—Sensing a parameter of the reaction system
    • B01J2219/002—Sensing a parameter of the reaction system inside the reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00191—Control algorithm
    • B01J2219/00211—Control algorithm comparing a sensed parameter with a pre-set value
    • B01J2219/00213—Fixed parameter value
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00191—Control algorithm
    • B01J2219/00222—Control algorithm taking actions
    • B01J2219/00227—Control algorithm taking actions modifying the operating conditions
    • B01J2219/00229—Control algorithm taking actions modifying the operating conditions of the reaction system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/12—Processes employing electromagnetic waves
    • B01J2219/1203—Incoherent waves
    • B01J2219/1206—Microwaves
    • B01J2219/1209—Features relating to the reactor or vessel
    • B01J2219/1212—Arrangements of the reactor or the reactors
    • B01J2219/1215—Single reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/12—Processes employing electromagnetic waves
    • B01J2219/1203—Incoherent waves
    • B01J2219/1206—Microwaves
    • B01J2219/1209—Features relating to the reactor or vessel
    • B01J2219/1212—Arrangements of the reactor or the reactors
    • B01J2219/1218—Multiple reactors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/12—Processes employing electromagnetic waves
    • B01J2219/1203—Incoherent waves
    • B01J2219/1206—Microwaves
    • B01J2219/1248—Features relating to the microwave cavity
    • B01J2219/1251—Support for the reaction vessel
    • B01J2219/1257—Rotating supports
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/44—Sample 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)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical Kinetics & Catalysis (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)
AT99918742T 1998-04-21 1999-04-20 Gebrauch von kontinuierlich variirender leistung in mikrowellen assistierter chemie ATE261768T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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 (1)

Publication Number Publication Date
ATE261768T1 true ATE261768T1 (de) 2004-04-15

Family

ID=22049941

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99918742T ATE261768T1 (de) 1998-04-21 1999-04-20 Gebrauch von kontinuierlich variirender leistung in mikrowellen assistierter chemie

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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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
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US7282184B2 (en) * 2002-04-19 2007-10-16 Cem Corporation Microwave assisted chemical synthesis instrument with controlled pressure release
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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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US7581876B2 (en) * 2006-07-15 2009-09-01 Cem Corporation Dual energy source loss-on-drying instrument
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Also Published As

Publication number Publication date
US6288379B1 (en) 2001-09-11
AU3658799A (en) 1999-11-08
EP1079924B1 (de) 2004-03-17
WO1999054035A1 (en) 1999-10-28
US6084226A (en) 2000-07-04
DE69915614T2 (de) 2005-02-03
CA2329442C (en) 2004-03-30
DE69915614D1 (de) 2004-04-22
EP1079924A1 (de) 2001-03-07
JP2002512113A (ja) 2002-04-23
CA2329442A1 (en) 1999-10-28

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