IT1209201B - Processo per la reazione di materiali grezzi allo stato gassoso per mezzo della loro messa in contatto con un catalizzatore e recipiente di reazione cilindrico verticale per l'esecuzione della reazione stessa - Google Patents

Processo per la reazione di materiali grezzi allo stato gassoso per mezzo della loro messa in contatto con un catalizzatore e recipiente di reazione cilindrico verticale per l'esecuzione della reazione stessa

Info

Publication number
IT1209201B
IT1209201B IT8021172A IT2117280A IT1209201B IT 1209201 B IT1209201 B IT 1209201B IT 8021172 A IT8021172 A IT 8021172A IT 2117280 A IT2117280 A IT 2117280A IT 1209201 B IT1209201 B IT 1209201B
Authority
IT
Italy
Prior art keywords
reaction
catalyst
execution
contact
raw materials
Prior art date
Application number
IT8021172A
Other languages
English (en)
Italian (it)
Other versions
IT8021172A0 (it
Inventor
Watanabe Hiroshi
Ohsaki Kozo
Jun Zamma
Kobayashi Yukihiro
Original Assignee
Toyo Engineering 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 Toyo Engineering Corp filed Critical Toyo Engineering Corp
Publication of IT8021172A0 publication Critical patent/IT8021172A0/it
Application granted granted Critical
Publication of IT1209201B publication Critical patent/IT1209201B/it

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
    • B01J8/0005Catalytic processes under superatmospheric pressure
    • 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
    • B01J8/02Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/0207Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid flow within the bed being predominantly horizontal
    • B01J8/0214Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid flow within the bed being predominantly horizontal in a cylindrical annular shaped 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
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/0285Heating 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
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00017Controlling the temperature
    • B01J2208/00106Controlling the temperature by indirect heat exchange
    • B01J2208/00115Controlling the temperature by indirect heat exchange with heat exchange elements inside the bed of solid particles
    • B01J2208/00132Tubes
    • 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
    • B01J2208/00106Controlling the temperature by indirect heat exchange
    • B01J2208/00168Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
    • B01J2208/00194Tubes
    • 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
    • B01J2208/00796Details of the reactor or of the particulate material
    • B01J2208/00884Means for supporting the bed of particles, e.g. grids, bars, perforated plates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
IT8021172A 1979-04-03 1980-04-03 Processo per la reazione di materiali grezzi allo stato gassoso per mezzo della loro messa in contatto con un catalizzatore e recipiente di reazione cilindrico verticale per l'esecuzione della reazione stessa IT1209201B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54039306A JPS5839572B2 (ja) 1979-04-03 1979-04-03 反応器およびその使用法

Publications (2)

Publication Number Publication Date
IT8021172A0 IT8021172A0 (it) 1980-04-03
IT1209201B true IT1209201B (it) 1989-07-16

Family

ID=12549423

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8021172A IT1209201B (it) 1979-04-03 1980-04-03 Processo per la reazione di materiali grezzi allo stato gassoso per mezzo della loro messa in contatto con un catalizzatore e recipiente di reazione cilindrico verticale per l'esecuzione della reazione stessa

Country Status (18)

Country Link
US (1) US4321234A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5839572B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AR (1) AR223213A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU526051B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE882591A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR8002067A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1160817A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CS (1) CS221542B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DD (1) DD150006A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3012476A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2452964B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2046618B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IN (1) IN152670B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1209201B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
MX (1) MX155157A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL8001940A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
PL (1) PL124655B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
RO (1) RO81469B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3266054D1 (en) * 1981-11-19 1985-10-10 Ici Plc Synthesis process and reactor
EP0081948B1 (en) * 1981-12-14 1987-05-13 Imperial Chemical Industries Plc Reactor
DE3275066D1 (en) * 1981-12-14 1987-02-19 Ici Plc Chemical reactor and process
DE3217066A1 (de) * 1982-05-06 1983-11-10 Linde Ag, 6200 Wiesbaden Reaktor zur durchfuehrung katalytischer reaktion
JPS5959242A (ja) * 1982-09-28 1984-04-05 Toyo Eng Corp 反応方法およびそのための反応器
US4554135A (en) * 1982-11-26 1985-11-19 C F Braun & Co. Ammonia converter
JPS59162942A (ja) * 1983-03-07 1984-09-13 Toyo Eng Corp 反応器
DE3318098A1 (de) * 1983-05-18 1984-11-22 Linde Ag, 6200 Wiesbaden Verfahren und reaktor zur durchfuehrung einer endo- oder exothermen reaktion
JPS6031824A (ja) * 1983-07-29 1985-02-18 Mitsui Eng & Shipbuild Co Ltd 触媒反応塔
JPS60106527A (ja) * 1983-11-14 1985-06-12 Mitsubishi Heavy Ind Ltd 二重管式発熱反応器
JPS60122036A (ja) * 1983-12-05 1985-06-29 Mitsubishi Heavy Ind Ltd 触媒充填反応器
JPS60150824A (ja) * 1984-01-18 1985-08-08 Toyo Eng Corp 改良反応器
US4743432A (en) * 1984-11-16 1988-05-10 M.A.N. Maschinenfabrik Augsburg-Nurnberg Vertical reactor for the generation of methanol
JPS6274447A (ja) * 1985-09-27 1987-04-06 エムア−エン・グ−テホツフヌングスヒユツテ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフトウング 触媒発熱反応および吸熱反応用縦形反応器
DE3605792A1 (de) * 1985-09-27 1987-04-02 Gutehoffnungshuette Man Stehender reaktor fuer katalytische exotherme und endotherme reaktionen, insbesondere zur herstellung von methanol, ammoniak, synthesegas und hoeheren alkoholen
FI75100C (sv) * 1986-03-03 1988-05-09 Rm Metal Consulting Ky Katalysatorbädd för exoterma reaktioner mellan gaser eller vätskor.
CA1296023C (en) * 1986-07-24 1992-02-18 Maarten Johannes Van Der Burgt Process for converting a gaseous feed into an at least partly liquidproduct
GB8627897D0 (en) * 1986-11-21 1986-12-31 Shell Int Research Reactor
US4880604A (en) * 1987-11-04 1989-11-14 Uop Apparatus for coke burning in regeneration of hydrocarbon conversion catalyst
FR2625112B1 (fr) * 1987-12-23 1993-10-22 Institut Francais Petrole Reacteur a controle thermique interne par plaques creuses echangeuses de chaleur
DK167242B1 (da) * 1989-02-16 1993-09-27 Topsoe Haldor As Apparat og fremgangsmaade til exoterme reaktioner
JP2547278B2 (ja) * 1990-11-16 1996-10-23 東洋エンジニアリング株式会社 反応器
DE4131446A1 (de) * 1991-09-21 1993-06-09 Basf Ag, 6700 Ludwigshafen, De Reaktor und verfahren zur durchfuehrung heterogenkatalytischer gasphasenreaktionen
US5520891A (en) * 1994-02-01 1996-05-28 Lee; Jing M. Cross-flow, fixed-bed catalytic reactor
US5869011A (en) * 1994-02-01 1999-02-09 Lee; Jing Ming Fixed-bed catalytic reactor
US5676911A (en) * 1995-12-14 1997-10-14 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence Of Her Majesty's Canadian Government Radial flow fuel processor
US6955793B1 (en) * 1997-06-18 2005-10-18 Arencibia Jr Jose P Temperature controlled reaction vessel
US5989500A (en) * 1997-07-02 1999-11-23 Phillips Petroleum Company Reactor heat exchange system
AU4859099A (en) 1998-07-09 2000-02-01 Washington Group International Inc. Radial flow reactor
US6171570B1 (en) * 1998-10-12 2001-01-09 Kellogg Brown & Root, Inc. Isothermal ammonia converter
GB0106308D0 (en) * 2001-03-14 2001-05-02 Kvaerner Process Tech Ltd Apparatus
GB0113078D0 (en) * 2001-05-30 2001-07-18 Kvaerner Process Tech Ltd Process and plant
GB0115243D0 (en) * 2001-06-21 2001-08-15 Kvaerner Process Tech Ltd Method
RU2181622C1 (ru) * 2001-11-29 2002-04-27 Закрытое акционерное общество "Метанол" Установка для гомогенного окисления природного газа и способ гомогенного окисления природного газа
RU2199366C1 (ru) * 2002-01-11 2003-02-27 Закрытое акционерное общество "Метанол" Реактор для гомогенного окисления природного газа
EP1376040A1 (en) * 2002-06-28 2004-01-02 Methanol Casale S.A. Multiservice heat exchange unit
US7081230B2 (en) * 2002-11-15 2006-07-25 Kellogg Brown & Root Llc Split-flow, vertical ammonia converter
JP2008517864A (ja) * 2004-10-26 2008-05-29 ハルドール・トプサー・アクチエゼルスカベット 吸熱又は発熱接触反応を実施するための反応装置及び方法
DE102006011496A1 (de) * 2006-03-14 2007-09-20 Bayer Technology Services Gmbh Verfahren und Vorrichtung zur Herstellung von Chlor durch Gasphasenoxidation in einem gekühlten Wandreaktor
FR2900066B1 (fr) * 2006-04-21 2008-05-30 Inst Francais Du Petrole Nouvel echangeur interne pour reacteur en lit fluidise gaz liquide solide, mettant en oeuvre une reaction fortement exothermique.
EP1930679B1 (de) * 2006-12-01 2009-07-15 Basf Se Verfahren und Vorrichtung zur Kühlung von Reaktoren mit siedenden Flüssigkeiten
DE202007006812U1 (de) * 2007-05-11 2008-09-18 Man Dwe Gmbh Kühlrohrreaktor
EP2075057A1 (en) * 2007-12-21 2009-07-01 Methanol Casale S.A. Radial isothermal chemical reactor
DE102008023042A1 (de) * 2008-05-09 2009-11-12 Süd-Chemie AG Verfahren zur semi-adiabatischen, semi-isothermen Durchführung einer endothermen Reaktion unter Einsatz eines katalytischen Reaktors und Ausbildung dieses Reaktors
FR2948580B1 (fr) * 2009-07-29 2011-07-22 Inst Francais Du Petrole Dispositif de distribution de la charge et de recuperation des effluents dans un reacteur catalytique a lit radial
MX2012008965A (es) * 2010-02-04 2012-12-05 Haldor Topsoe As Proceso para la preparacion de eter dimetilico.
GB201107072D0 (en) 2011-04-27 2011-06-08 Davy Process Techn Ltd Process
DE102012220926A1 (de) * 2012-11-15 2014-05-15 Chemieanlagenbau Chemnitz Gmbh Festbettreaktor
DE102012220930A1 (de) 2012-11-15 2014-05-15 Chemieanlagenbau Chemnitz Gmbh Festbettreaktor
CN103990420A (zh) * 2013-02-20 2014-08-20 上海融熠投资管理有限公司 列管式固定床反应器及其应用
CN103435006B (zh) * 2013-08-20 2015-04-08 湖南安淳高新技术有限公司 一种高co高变换率等温变换反应器及其工艺
EP2933016A1 (en) * 2014-04-18 2015-10-21 Casale Sa Isothermal tubular catalytic reactor
CN104048530B (zh) * 2014-06-24 2016-04-20 中建材(合肥)粉体科技装备有限公司 弯道缓流式粉体冷却器
CN104841340A (zh) * 2015-05-19 2015-08-19 中国五环工程有限公司 一种用于合成气制乙二醇工艺的新型羰化反应器
US20180214837A1 (en) * 2015-07-29 2018-08-02 Primus Green Energy Inc. Two-stage reactor for exothermal and reversible reactions and methods thereof
DE102015214943A1 (de) 2015-08-05 2017-02-09 Siemens Aktiengesellschaft Verfahren und Anlage für eine chemische Synthese
CN105032305B (zh) * 2015-08-27 2017-10-20 德艾柯工程技术(上海)有限公司 一种新型径向板式反应器
GB201600794D0 (en) 2016-01-15 2016-03-02 Johnson Matthey Davy Technologies Ltd Methanol process
GB201600793D0 (en) 2016-01-15 2016-03-02 Johnson Matthey Davy Technologies Ltd Methanol process
CN108854861A (zh) * 2017-05-09 2018-11-23 德艾柯工程技术(上海)有限公司 一种模块化控温反应器
KR102070704B1 (ko) 2018-01-08 2020-01-29 에스케이실트론 주식회사 슬러리 냉각장치 및 그를 구비한 슬러리 공급 시스템
GB201908450D0 (en) 2019-06-12 2019-07-24 Johnson Matthey Davy Technologies Ltd Process for synthesising methanol
GB201908449D0 (en) 2019-06-12 2019-07-24 Johnson Matthey Davy Technologies Ltd Process for synthesising methanol
FR3103714B1 (fr) 2019-11-28 2021-12-03 Commissariat Energie Atomique Reacteur tubulaire a lit fixe
US11738317B2 (en) * 2021-01-15 2023-08-29 CRI, hf Reactor for synthesizing methanol or other products
KR20230169186A (ko) * 2021-04-09 2023-12-15 차이나 페트로리움 앤드 케미컬 코포레이션 유동층 반응기의 온도 제어 및 불포화 니트릴의 제조에서의 열 제거 튜브 세트 및 그의 적용
WO2022238671A1 (en) 2021-05-11 2022-11-17 Johnson Matthey Davy Technologies Limited Process for synthesising methanol
CA3208402A1 (en) 2021-05-11 2022-11-17 Paul Cassidy Process for synthesising methanol
GB202109905D0 (en) 2021-07-09 2021-08-25 Johnson Matthey Plc Process for synthesising methanol
FR3140155B1 (fr) 2022-09-26 2024-10-25 Commissariat Energie Atomique Réacteur-échangeur à lit fixe muni d’au moins une grille à barreaux creux de circulation d’un fluide caloporteur.
GB202217131D0 (en) 2022-11-16 2022-12-28 Johnson Matthey Davy Technologies Ltd Methanol process
GB202400240D0 (en) 2024-01-08 2024-02-21 Johnson Matthey Davy Technologies Ltd Process for synthesising methanol

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2450804A (en) * 1943-12-09 1948-10-05 Phillips Petroleum Co Catalyst chamber construction
US2664346A (en) * 1950-06-22 1953-12-29 Hydrocarbon Research Inc Fluid reactor
US2744813A (en) * 1951-10-06 1956-05-08 Ruhrchemie Ag Catalytic furnace
US2997374A (en) * 1958-03-13 1961-08-22 California Research Corp Radial flow reactor
US3466152A (en) * 1965-07-28 1969-09-09 Ube Kogyo Kk Synthetizing reactor equipped with temperature control device for catalyst layer
US3907665A (en) * 1972-10-26 1975-09-23 Universal Oil Prod Co Dehydrogenation process
US3944394A (en) * 1974-10-31 1976-03-16 Phillips Petroleum Company Apparatus suitable for carrying out catalytic process

Also Published As

Publication number Publication date
DE3012476A1 (de) 1980-10-16
MX155157A (es) 1988-02-01
IT8021172A0 (it) 1980-04-03
FR2452964B1 (fr) 1986-12-19
US4321234A (en) 1982-03-23
PL223226A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1981-02-13
RO81469B (ro) 1983-04-30
DD150006A5 (de) 1981-08-12
PL124655B1 (en) 1983-02-28
AU526051B2 (en) 1982-12-16
JPS5839572B2 (ja) 1983-08-31
IN152670B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1984-03-10
GB2046618A (en) 1980-11-19
FR2452964A1 (fr) 1980-10-31
BR8002067A (pt) 1980-11-25
RO81469A (ro) 1983-04-29
NL8001940A (nl) 1980-10-07
GB2046618B (en) 1983-08-24
JPS55149640A (en) 1980-11-21
CA1160817A (en) 1984-01-24
AU5656280A (en) 1980-10-09
AR223213A1 (es) 1981-07-31
CS221542B2 (en) 1983-04-29
BE882591A (fr) 1980-07-31

Similar Documents

Publication Publication Date Title
IT1209201B (it) Processo per la reazione di materiali grezzi allo stato gassoso per mezzo della loro messa in contatto con un catalizzatore e recipiente di reazione cilindrico verticale per l'esecuzione della reazione stessa
BR8303028A (pt) Processo para a conversao de materia-prima contendo carbono em um gas-produto combustivel
IT1089056B (it) Processo per la produzione di anidride maleica e relativi catalizzatori
BR8005851A (pt) Processo para a conversao de material de residuo radioativo em artigo estavel,material e artigo radioativo estavel convertidos
BR8506058A (pt) Processo aperfeicoado para a remocao seletiva de hidrogenio sulfurado de misturas gasosas contendo anidrido carbonico
BR8004617A (pt) Processo para producao de um aco inoxidavel ferritico resistente a fluencia e aco inoxidavel ferritico
BR8101512A (pt) Processo para a producao de etanos contendo fluor, de alta pureza
IT1147752B (it) Reattore a ricicolo e procedimento per la miscelazione di sostanze solide con liquidi
IT8620117A1 (it) Procedimento per l'ottenimento di polidesossiribonucleotidi chimicamente definiti e riproducibili e prodotto farmacologicamente attivo risultante
IT1157336B (it) Catalizzatore per la sintesi di composti organici ossigenati processo per la sua fabbricazione e applicazione per la produzione di miscele di alcoli grado carburante
JPS5697541A (en) Manufacture of catalyst converted into methane
BR7903204A (pt) Processo para a obtencao de misturas de gas com teor de hidrogenio e monoxido de carbono,atraves de oxidacao endotermica parcial de compostos organicos e dispositivo para a realizacao do processo
DE3069919D1 (en) Liquid-gas catalytic reaction process
DE3063336D1 (en) Process for the production of optically active threo-3-(3,4-dihydroxyphenyl) serine, and product thus produced
PL199632A1 (pl) Sposob konwersji stalego materialu weglowego na produkt ciekly
IL60190A0 (en) Process for the production of hydrogen
BR8805885A (pt) Processo para a preparacao de polimero alfa-olefina estabilizado em-reator
BR8303383A (pt) Processo para a operacao de um reator para a producao de gas de sintese e dispositivo para a realizacao do processo
FR2474485B1 (fr) Procede et catalyseur pour la production de composes alcenylaromatiques
FR2467175B1 (fr) Procede ameliore pour la conversion du monoxyde de carbone en hydrogene et en dioxyde de carbone
GB2057905B (en) Process for producing 1,4-naphtoquinone and catalyst therefor
BR8305565A (pt) Processo para a operacao de um reator para a producao de gas de sintese e dispositivo para a realizacao do processo
BR8007871A (pt) Meios para a producao de adubo de alta qualidade,processo para a sua producao e seu emprego
BR8004949A (pt) Processo para a preparacao de aco com baixos teores de hidrogenio em um conversor de sopragem de oxigenio
IT7923879A0 (it) Reattore d'analisi particolarmente per l'analisi di un campione dimateriale pulverulento.

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970429