CA1017127A - Methode d'execution de procedes chimiques ou physiques necessitant de la chaleur - Google Patents
Methode d'execution de procedes chimiques ou physiques necessitant de la chaleurInfo
- Publication number
- CA1017127A CA1017127A CA199,011A CA199011A CA1017127A CA 1017127 A CA1017127 A CA 1017127A CA 199011 A CA199011 A CA 199011A CA 1017127 A CA1017127 A CA 1017127A
- Authority
- CA
- Canada
- Prior art keywords
- carrying
- out heat
- physical processes
- requiring chemical
- requiring
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
- C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
- C21B13/002—Reduction of iron ores by passing through a heated column of carbon
-
- 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/1836—Heating and cooling 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
- B01J8/42—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed subjected to electric current or to radiations this sub-group includes the fluidised bed subjected to electric or magnetic fields
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B19/00—Heating of coke ovens by electrical means
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G11/00—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G11/14—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts
- C10G11/18—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts according to the "fluidised-bed" technique
-
- 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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
- B01J2208/00212—Plates; Jackets; Cylinders
-
- 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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
- B01J2208/00256—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles in a heat exchanger for the heat exchange medium separate from 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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00389—Controlling the temperature using electric heating or cooling elements
- B01J2208/00407—Controlling the temperature using electric heating or cooling elements outside the reactor bed
-
- 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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00477—Controlling the temperature by thermal insulation means
- B01J2208/00495—Controlling the temperature by thermal insulation means using insulating materials or refractories
-
- 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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00504—Controlling the temperature by means of a burner
-
- 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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/0053—Controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
- Y02P30/40—Ethylene production
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
- Y10S75/958—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures with concurrent production of iron and other desired nonmetallic product, e.g. energy, fertilizer
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Combustion & Propulsion (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Furnace Details (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7306065A SE372178B (fr) | 1973-04-30 | 1973-04-30 | |
SE7306063A SE372177B (fr) | 1973-04-30 | 1973-04-30 | |
SE7314373A SE396090B (sv) | 1973-10-23 | 1973-10-23 | Reduktionsforfarande |
SE7402747A SE380735B (sv) | 1974-03-01 | 1974-03-01 | Forfarande vid induktiv vermning |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1017127A true CA1017127A (fr) | 1977-09-13 |
Family
ID=27484585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA199,011A Expired CA1017127A (fr) | 1973-04-30 | 1974-05-06 | Methode d'execution de procedes chimiques ou physiques necessitant de la chaleur |
Country Status (8)
Country | Link |
---|---|
US (2) | US3948640A (fr) |
BE (2) | BE814392A (fr) |
CA (1) | CA1017127A (fr) |
DE (2) | DE2420640C3 (fr) |
FR (2) | FR2227047B1 (fr) |
GB (2) | GB1461519A (fr) |
LU (1) | LU69955A1 (fr) |
NL (1) | NL7405696A (fr) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1110454A (fr) * | 1978-04-03 | 1981-10-13 | Midrex Corporation | Appareil et methode pour reduire a l'aide d'un reducteur solide des particules d'oxyde de fer en fusion |
JPS54152615A (en) * | 1978-05-24 | 1979-12-01 | Ishikawajima Harima Heavy Ind Co Ltd | Suspended layer type direct reduction iron making process |
US4604165A (en) * | 1980-03-17 | 1986-08-05 | Albert Calderon | Apparatus for processing bulk materials by induction |
US4464197A (en) * | 1980-03-17 | 1984-08-07 | Albert Calderon | Method for making iron by induction heating |
US4494984A (en) * | 1980-03-17 | 1985-01-22 | Albert Calderon | Method for direct reduction of iron oxide utilizing induction heating |
US4389283A (en) * | 1980-10-29 | 1983-06-21 | Albert Calderon | Method for making coke via induction heating |
SE457265B (sv) * | 1981-06-10 | 1988-12-12 | Sumitomo Metal Ind | Foerfarande och anlaeggning foer framstaellning av tackjaern |
AT378970B (de) * | 1982-12-21 | 1985-10-25 | Voest Alpine Ag | Verfahren und vorrichtung zur herstellung von flùssigem roheisen oder stahlvorprodukten |
JPS59179726A (ja) * | 1983-03-31 | 1984-10-12 | Kawasaki Steel Corp | 難還元性鉱石の予備還元法 |
AT387036B (de) * | 1983-05-04 | 1988-11-25 | Voest Alpine Ag | Verfahren zum entfernen von schwefel bei der erschmelzung von roheisen |
SE8302764L (sv) * | 1983-05-17 | 1984-11-18 | Boliden Ab | Forfarande for framstellning av rably ur sulfidiska blyravaror |
AT382165B (de) * | 1983-08-18 | 1987-01-26 | Voest Alpine Ag | Verfahren zur herstellung von fluessigem roheisen oder stahlvorprodukten sowie vorrichtung zur durchfuehrung des verfahrens |
IN164687B (fr) * | 1984-08-16 | 1989-05-13 | Voest Alpine Ag | |
AT382390B (de) * | 1985-03-21 | 1987-02-25 | Voest Alpine Ind Anlagen | Verfahren zur herstellung von fluessigem roheisen oder stahlvorprodukten |
JP2843347B2 (ja) * | 1987-05-13 | 1999-01-06 | ホーランド、ケネス・マイケル | プラスチック廃棄物の処理方法 |
US5798137A (en) * | 1995-06-07 | 1998-08-25 | Advanced Silicon Materials, Inc. | Method for silicon deposition |
US7070743B2 (en) * | 2002-03-14 | 2006-07-04 | Invista North America S.A R.L. | Induction-heated reactors for gas phase catalyzed reactions |
WO2006079132A1 (fr) * | 2005-01-27 | 2006-08-03 | Patco Engineering Gmbh | Procede pour reduire des laitiers contenant des oxydes metalliques, ou pour vitrifier et/ou degazer des matieres minerales en fusion, et dispositif pour mettre en oeuvre le procede |
DE502007004434D1 (de) * | 2007-01-19 | 2010-08-26 | Patco Engineering Gmbh | Verfahren zur reduktion von oxidischen schlacken aus stäuben sowie induktiv beheizbarer ofen zur durchführung dieses verfahrens |
AT507262B1 (de) * | 2008-08-27 | 2011-04-15 | Sgl Carbon Se | Verfahren zum aufarbeiten von festen oder schmelzflüssigen stoffen |
CN102159730A (zh) * | 2008-09-16 | 2011-08-17 | 技术资源有限公司 | 材料供应装置及工艺 |
US8690986B2 (en) * | 2010-09-03 | 2014-04-08 | Forest Vue Research, Llc | Method for simultaneously producing iron, coke, and power |
DE102011106645A1 (de) | 2011-07-05 | 2013-01-10 | Linde Aktiengesellschaft | Verfahren zur Erzeugung von Koks |
CN102559273B (zh) * | 2011-12-29 | 2014-03-05 | 武汉凯迪工程技术研究总院有限公司 | 一种微波等离子生物质气化固定床气化炉及工艺 |
CN102559272B (zh) * | 2011-12-29 | 2014-05-14 | 武汉凯迪工程技术研究总院有限公司 | 一种微波等离子生物质气流床气化炉及工艺 |
CN102899437A (zh) * | 2012-09-25 | 2013-01-30 | 贵州新天地设备有限公司 | 一种直接还原铁生产用中频炉 |
EP2745929A1 (fr) | 2012-12-18 | 2014-06-25 | Basf Se | Procédé destiné à réaliser des processus endothermiques |
ES2853575T3 (es) | 2012-12-13 | 2021-09-16 | Basf Se | Procedimiento para realizar procesos endotérmicos |
WO2017186615A1 (fr) | 2016-04-26 | 2017-11-02 | Haldor Topsøe A/S | Procédé de synthèse de nitriles |
EP3448804B1 (fr) * | 2016-04-26 | 2021-08-18 | Haldor Topsøe A/S | Procédé de production d'hydrogène ou de gaz de synthèse par craquage de méthanol |
CN108866321A (zh) * | 2018-09-05 | 2018-11-23 | 葫芦岛锌业股份有限公司 | 一种处理高铜高铅锌精矿的沸腾焙烧炉 |
ES2914337T3 (es) * | 2019-03-15 | 2022-06-09 | Primetals Technologies Austria GmbH | Procedimiento de reducción directa en un lecho fluidizado |
DE102019005452B4 (de) | 2019-08-02 | 2023-01-19 | Hans-Jürgen Maaß | Verfahren zur Erzeugung von Synthesegas für die Herstellung von Ammoniak |
JP2023540419A (ja) * | 2020-07-28 | 2023-09-25 | トータルエナジーズ ワンテック | 流動床反応器での水蒸気分解反応の実施方法 |
EP4384307A1 (fr) * | 2021-08-10 | 2024-06-19 | Teknologian Tutkimuskeskus VTT OY | Procédé et appareil de traitement de matière première et utilisation |
GB202202444D0 (en) * | 2022-02-23 | 2022-04-06 | Recycling Tech Ltd | Reactor systems |
WO2023225438A1 (fr) * | 2022-05-20 | 2023-11-23 | Clean Hydrogen Technologies Corp | Systèmes et procédés de réactions de pyrolyse |
DE102022123944A1 (de) | 2022-09-19 | 2024-03-21 | Sergej Belik | Reaktoranordnung und Verfahren zur thermischen Spaltung von Kohlenwasserstoff |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR582347A (fr) * | 1923-08-30 | 1924-12-16 | Procédé et appareil pour la distillation du charbon | |
DE972114C (de) * | 1951-02-11 | 1959-05-21 | Carl Dipl-Ing Schoerg | Anordnung zur induktiven Erhitzung stroemender Medien |
NL264188A (fr) * | 1960-04-29 | |||
US3440731A (en) * | 1966-02-08 | 1969-04-29 | Atomic Energy Commission | Magnetically stabilized fluidized bed |
GB1226544A (fr) * | 1967-05-11 | 1971-03-31 | ||
SE316197B (fr) * | 1968-04-11 | 1969-10-20 | Electrodius Ab |
-
1974
- 1974-04-22 US US05/462,958 patent/US3948640A/en not_active Expired - Lifetime
- 1974-04-22 US US05/462,959 patent/US3948645A/en not_active Expired - Lifetime
- 1974-04-23 GB GB1776774A patent/GB1461519A/en not_active Expired
- 1974-04-26 NL NL7405696A patent/NL7405696A/xx not_active Application Discontinuation
- 1974-04-27 DE DE2420640A patent/DE2420640C3/de not_active Expired
- 1974-04-27 DE DE2420579A patent/DE2420579C3/de not_active Expired
- 1974-04-29 LU LU69955A patent/LU69955A1/xx unknown
- 1974-04-29 GB GB1869974A patent/GB1473509A/en not_active Expired
- 1974-04-30 BE BE143780A patent/BE814392A/fr not_active IP Right Cessation
- 1974-04-30 FR FR7415061A patent/FR2227047B1/fr not_active Expired
- 1974-04-30 FR FR7414948A patent/FR2308411A1/fr active Granted
- 1974-04-30 BE BE143781A patent/BE814393A/fr not_active IP Right Cessation
- 1974-05-06 CA CA199,011A patent/CA1017127A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1473509A (en) | 1977-05-11 |
DE2420579A1 (de) | 1974-11-21 |
FR2308411A1 (fr) | 1976-11-19 |
FR2308411B1 (fr) | 1978-09-15 |
DE2420579B2 (de) | 1980-11-13 |
US3948640A (en) | 1976-04-06 |
DE2420640A1 (de) | 1974-11-21 |
DE2420579C3 (de) | 1981-07-16 |
GB1461519A (en) | 1977-01-13 |
DE2420640C3 (de) | 1980-10-16 |
FR2227047A1 (fr) | 1974-11-22 |
LU69955A1 (fr) | 1974-10-01 |
BE814392A (fr) | 1974-08-16 |
FR2227047B1 (fr) | 1982-07-09 |
AU6836874A (en) | 1975-10-30 |
NL7405696A (fr) | 1974-11-01 |
DE2420640B2 (de) | 1980-01-24 |
BE814393A (fr) | 1974-08-16 |
US3948645A (en) | 1976-04-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1017127A (fr) | Methode d'execution de procedes chimiques ou physiques necessitant de la chaleur | |
CA988074A (en) | Catalyst carrier and method of making the same | |
AU499649B2 (en) | Chemical processes & products | |
CS191908B2 (en) | Pill and method of making the same | |
AU474598B2 (en) | Method of treating depression | |
CA1022918A (fr) | Catalyseur et mode de fabrication | |
AU468248B2 (en) | Chemical processes and products | |
AU483867B2 (en) | Method of carrying out heat-requiring chemical and/or physical processes | |
AU6836774A (en) | Method of carrying out heat-requiring chemical and/or physical processes | |
CA950339A (en) | Chemical strippers and method of using | |
AU460240B2 (en) | Chemical processes and products | |
CA986356A (en) | Chemical modification of rice | |
SU566563A1 (ru) | Способ лечени спондилолистеза | |
AU469140B2 (en) | Chemical processes and products | |
AU490014B2 (en) | Chemical processes and products | |
CA975976A (en) | Thawer-cooker and method of using the same | |
AU484849B2 (en) | Chemical processes and products | |
AU446324B2 (en) | Chemical processes and products | |
CA899858A (en) | Chemical composition and process therefor | |
AU7434374A (en) | Chemical processes and products | |
AU5459673A (en) | Chemical processes and compositions | |
AU484829B2 (en) | Chemical processes and products | |
CA902338A (en) | Method of carrying out endothermic processes | |
CA972266A (en) | Chemical milling method and bath | |
CA982286A (en) | Process and apparatus for chemical conditioning of water |