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GB2227397B - Microwave ashing and analytical apparatuses, components and processes - Google Patents

Microwave ashing and analytical apparatuses, components and processes

Info

Publication number
GB2227397B
GB2227397B GB8929250A GB8929250A GB2227397B GB 2227397 B GB2227397 B GB 2227397B GB 8929250 A GB8929250 A GB 8929250A GB 8929250 A GB8929250 A GB 8929250A GB 2227397 B GB2227397 B GB 2227397B
Authority
GB
United Kingdom
Prior art keywords
processes
components
analytical apparatuses
microwave ashing
ashing
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 - Fee Related
Application number
GB8929250A
Other versions
GB8929250D0 (en
GB2227397A (en
Inventor
Michael J Collins
Wyatt P Hargett
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
Priority claimed from US07/298,553 external-priority patent/US5066843A/en
Application filed by CEM Corp filed Critical CEM Corp
Publication of GB8929250D0 publication Critical patent/GB8929250D0/en
Publication of GB2227397A publication Critical patent/GB2227397A/en
Application granted granted Critical
Publication of GB2227397B publication Critical patent/GB2227397B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H05B6/6447Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors
    • H05B6/645Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors using temperature sensors
    • H05B6/6455Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors using temperature sensors the sensors being infrared detectors
    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L7/00Heating or cooling apparatus; Heat insulating devices
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/10Non-chemical treatment
    • C03B37/14Re-forming fibres or filaments, i.e. changing their shape
    • C03B37/15Re-forming fibres or filaments, i.e. changing their shape with heat application, e.g. for making optical fibres
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/06Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in pot furnaces
    • C03B5/08Glass-melting pots
    • 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/12Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
    • 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
    • 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
    • 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00Casings; Linings; Walls; Roofs
    • F27D1/0003Linings or walls
    • F27D1/0006Linings or walls formed from bricks or layers with a particular composition or specific characteristics
    • F27D1/0009Comprising ceramic fibre elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00Subject matter not provided for in other groups of this subclass
    • F27D99/0001Heating elements or systems
    • F27D99/0006Electric heating elements or system
    • F27D2099/0028Microwave heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27MINDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
    • F27M2003/00Type of treatment of the charge
    • F27M2003/11Incineration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Clinical Laboratory Science (AREA)
  • Toxicology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Molecular Biology (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Incineration Of Waste (AREA)
  • Processing Of Solid Wastes (AREA)
GB8929250A 1989-01-18 1989-12-28 Microwave ashing and analytical apparatuses, components and processes Expired - Fee Related GB2227397B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29855489A 1989-01-18 1989-01-18
US07/298,553 US5066843A (en) 1989-01-18 1989-01-18 Heat resistant and light weight container for materials to be ashed, and process for manufacture thereof

Publications (3)

Publication Number Publication Date
GB8929250D0 GB8929250D0 (en) 1990-02-28
GB2227397A GB2227397A (en) 1990-07-25
GB2227397B true GB2227397B (en) 1993-10-20

Family

ID=26970743

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8929250A Expired - Fee Related GB2227397B (en) 1989-01-18 1989-12-28 Microwave ashing and analytical apparatuses, components and processes
GB9224551A Expired - Lifetime GB2259836B (en) 1989-01-18 1992-11-24 A container for a heatable material

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9224551A Expired - Lifetime GB2259836B (en) 1989-01-18 1992-11-24 A container for a heatable material

Country Status (7)

Country Link
JP (1) JP3069114B2 (en)
AT (1) AT408050B (en)
CH (2) CH684914A5 (en)
DE (1) DE4000515C2 (en)
FR (1) FR2641855B1 (en)
GB (2) GB2227397B (en)
IT (1) IT1239164B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2061790A1 (en) * 1991-03-01 1992-09-02 Robert N. Revesz Process for manufacture of ashing containers
DE4108766C2 (en) * 1991-03-18 1996-08-01 Knapp Guenter Univ Prof Dipl I Device for heating substances under high pressure in the microwave field
GB9126560D0 (en) * 1991-12-13 1992-02-12 Staffordshire Polytechnic Ente Microwave heating method and apparatus
US5370840A (en) * 1992-11-04 1994-12-06 Olin Corporation Copper alloy having high strength and high electrical conductivity
US5306465A (en) * 1992-11-04 1994-04-26 Olin Corporation Copper alloy having high strength and high electrical conductivity
DE9305275U1 (en) * 1993-04-07 1993-06-09 Strassentest ACS Baustoff-Prüfsysteme Vertriebs GmbH, 8755 Alzenau Equipment for determining the binder content of bituminous building materials
US5427741A (en) * 1993-05-19 1995-06-27 Cem Corporation Pressure resistant reinforcing means for containers for materials to be microwave heated
GB2281016A (en) 1993-08-10 1995-02-15 Ea Tech Ltd Microwave-assisted processing of materials
WO2001073399A2 (en) * 2000-03-24 2001-10-04 Biogenex Laboratories, Inc. Device and methods for automated specimen processing
DE102007050010A1 (en) * 2007-10-17 2009-06-25 Jan-Philipp Mai Method and apparatus for producing silicon
JP5391707B2 (en) * 2008-01-30 2014-01-15 Jfeスチール株式会社 Coal expansibility test method
JP5688200B2 (en) * 2008-02-01 2015-03-25 田中貴金属工業株式会社 Precious metal recovery method and combustion apparatus
DE202012003380U1 (en) * 2012-03-16 2012-05-15 Mwt Mikrowellen Labor Technik Ag Oven with refractory insert
JP6143632B2 (en) * 2013-10-10 2017-06-07 三菱重工業株式会社 Component analysis method for low ash samples
JP7673066B2 (en) * 2020-06-26 2025-05-08 株式会社堀場製作所 Sample container and elemental analyzer
CN115452932B (en) * 2022-09-26 2025-10-03 武汉工程大学 A coal ash measurement method and device based on plasma discharge

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4307277A (en) * 1978-08-03 1981-12-22 Mitsubishi Denki Kabushiki Kaisha Microwave heating oven
GB2185008A (en) * 1985-12-28 1987-07-08 Korea Res Inst Chem Tech Method of preparing a high-purity polycrystalline silicon

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3731037A (en) * 1971-10-29 1973-05-01 M Levinson Microwave kiln to cook food
US4291775A (en) * 1979-11-01 1981-09-29 Cem Corporation Method and apparatus for improving weighing accuracy
US4566804A (en) * 1982-12-16 1986-01-28 Cem Corporation Apparatuses, processes and articles for controllably heating and drying materials by microwave radiation
US4565669A (en) * 1983-04-21 1986-01-21 Cem Corporation Microwave ashing apparatus
GB8326318D0 (en) * 1983-09-30 1983-11-02 Isopad Ltd Shaped fibrous bodies
DE3936267C2 (en) * 1989-10-31 1997-12-11 Werner Lautenschlaeger Insert part for a microwave oven

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4307277A (en) * 1978-08-03 1981-12-22 Mitsubishi Denki Kabushiki Kaisha Microwave heating oven
GB2185008A (en) * 1985-12-28 1987-07-08 Korea Res Inst Chem Tech Method of preparing a high-purity polycrystalline silicon

Also Published As

Publication number Publication date
AT408050B (en) 2001-08-27
IT9047534A1 (en) 1990-07-19
JP3069114B2 (en) 2000-07-24
IT9047534A0 (en) 1990-01-16
GB2259836A (en) 1993-03-24
AU4789690A (en) 1990-07-26
FR2641855A1 (en) 1990-07-20
DE4000515C2 (en) 1996-10-31
GB8929250D0 (en) 1990-02-28
CH684914A5 (en) 1995-01-31
AU627819B2 (en) 1992-09-03
CH680239A5 (en) 1992-07-15
GB9224551D0 (en) 1993-01-13
FR2641855B1 (en) 1994-02-11
GB2227397A (en) 1990-07-25
ATA8990A (en) 2000-12-15
IT1239164B (en) 1993-09-28
JPH02264850A (en) 1990-10-29
GB2259836B (en) 1993-12-01
DE4000515A1 (en) 1990-07-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20071228