Nothing Special   »   [go: up one dir, main page]

ES2049491T3 - Metodo de separar pentoxido de dinitrogeno de su solucion en acido nitrico. - Google Patents

Metodo de separar pentoxido de dinitrogeno de su solucion en acido nitrico.

Info

Publication number
ES2049491T3
ES2049491T3 ES90917023T ES90917023T ES2049491T3 ES 2049491 T3 ES2049491 T3 ES 2049491T3 ES 90917023 T ES90917023 T ES 90917023T ES 90917023 T ES90917023 T ES 90917023T ES 2049491 T3 ES2049491 T3 ES 2049491T3
Authority
ES
Spain
Prior art keywords
solution
nitric acid
separating
dinitrogen pentoxide
dissolved
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
ES90917023T
Other languages
English (en)
Inventor
Greville Euan Gordon Bagg
David Anthony Salter
Andrew John Sanderson
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 GB898926180A external-priority patent/GB8926180D0/en
Priority claimed from GB909002828A external-priority patent/GB9002828D0/en
Application filed by UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Application granted granted Critical
Publication of ES2049491T3 publication Critical patent/ES2049491T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/206—Nitric anhydride (N2O5)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Removal Of Specific Substances (AREA)
  • Inert Electrodes (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

UN METODO PARA SEPARAR N SUB 2 O SUB 5 DE SU DISOLUCION EN ACIDO NITRICO QUE CONSISTE EN LOS PASOS SIGUIENTES: (A) PREPARAR, MEDIANTE LA OXIDACION ELECTROQUIMICA DE N SUB 2 O SUB 4 EN ACIDO NITRICO, UNA DISOLUCION DE ACIDO NITRICO A UNA TEMPERATURA DE POR LO MENOS 10 C QUE CONTENGA POR LO MENOS UN 45% POR PESO DE (N SUB 2 O SUB 4 + N SUB 2 O SUB 5 ) DISUELTO Y QUE TENGA UN N SUB 2 O SUB 5 DISUELTO: RELACION DE ACIDO NITRICO POR PESO DE POR LO MENOS 1:3; Y (B) ENFRIAR LA DISOLUCION ACIDA A MENOS DE 8 C HASTA QUE UN SOLVATO DE N SUB 2 O SUB 5 SE PRECIPITA DE LA DISOLUCION. LA VENTAJA PRINCIPAL DE LA INVENCION ES QUE PERMITE UTILIZAR METODOS ELECTROQUIMICOS ELECTRICAMENTE EFICACES EN LA PRODUCCION DE LA DISOLUCION ACIDA DE LA QUE SE RECUPERA EL SOLUTO.
ES90917023T 1989-11-20 1990-11-20 Metodo de separar pentoxido de dinitrogeno de su solucion en acido nitrico. Expired - Lifetime ES2049491T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898926180A GB8926180D0 (en) 1989-11-20 1989-11-20 N2o5 precipitation
GB909002828A GB9002828D0 (en) 1990-02-08 1990-02-08 N205 precipitation

Publications (1)

Publication Number Publication Date
ES2049491T3 true ES2049491T3 (es) 1994-04-16

Family

ID=26296229

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90917023T Expired - Lifetime ES2049491T3 (es) 1989-11-20 1990-11-20 Metodo de separar pentoxido de dinitrogeno de su solucion en acido nitrico.

Country Status (12)

Country Link
EP (1) EP0453546B1 (es)
AT (1) ATE100501T1 (es)
AU (1) AU635987B2 (es)
CA (1) CA2049014C (es)
DE (1) DE69006210T2 (es)
DK (1) DK0453546T3 (es)
ES (1) ES2049491T3 (es)
GB (1) GB2245266B (es)
HK (1) HK135297A (es)
NO (1) NO303504B1 (es)
PT (1) PT95940B (es)
WO (1) WO1991007524A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9310251D0 (en) * 1993-05-18 1993-06-30 Ici Plc Solvent transfer process for dinitrogen pentoxide

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4432902A (en) * 1982-07-20 1984-02-21 The United States Of America As Represented By The Department Of Energy Method for synthesizing HMX
SU1279956A1 (ru) * 1985-04-01 1986-12-30 Казанский Ордена Ленина И Ордена Трудового Красного Знамени Государственный Университет Им.В.И.Ульянова-Ленина Способ выделени азотного ангидрида из его раствора в азотной кислоте
EP0365558A1 (en) * 1987-06-17 1990-05-02 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern The electrochemical generation of n 2?o 5?
FI82670C (fi) * 1989-01-27 1991-04-10 Kemira Oy Foerfarande foer framstaellning av vaeteperoxid.

Also Published As

Publication number Publication date
AU635987B2 (en) 1993-04-08
EP0453546A1 (en) 1991-10-30
HK135297A (en) 1998-02-27
WO1991007524A1 (en) 1991-05-30
DK0453546T3 (da) 1994-03-07
ATE100501T1 (de) 1994-02-15
GB2245266B (en) 1993-05-26
GB9116137D0 (en) 1991-09-11
DE69006210D1 (de) 1994-03-03
PT95940A (pt) 1991-09-13
EP0453546B1 (en) 1994-01-19
CA2049014C (en) 2000-05-30
NO303504B1 (no) 1998-07-20
CA2049014A1 (en) 1991-05-21
GB2245266A (en) 1992-01-02
AU6740490A (en) 1991-06-13
NO913637D0 (no) 1991-09-16
NO913637L (no) 1991-09-16
DE69006210T2 (de) 1994-08-11
PT95940B (pt) 1998-01-30

Similar Documents

Publication Publication Date Title
IT7828097A0 (it) Processo per la preparazione di acido formico.
ES2049491T3 (es) Metodo de separar pentoxido de dinitrogeno de su solucion en acido nitrico.
DK0386721T3 (da) Natrium-N-acetylneuraminat-trihydrat og fremgangsmåde til fremstilling deraf
IT1025053B (it) Processo per la concentrazione di acido solforico diluito contenentesale
KR850000459A (ko) 결정성 7-(r)-아미노-3-(1-피리디늄메틸)-세프-3-엠-4-카복실레이트 일염산염 일수화물의 제조방법
ES8304572A2 (es) "mejoras introducidas en el objeto de la patente principal n 503.050, solicitada el 15 de junio de 1981, por:un procedimiento para recuperar cafeina desde carbono activado".
IT7926786A0 (it) Processo per la produzione di acido nitrico.
ES529526A0 (es) Procedimiento e instalacion para la produccion de nitrato amonico
MX159243A (es) Procedimiento para la purificacion de acido fosforico de procedimiento en humedo
IT1070746B (it) Processo per la produzione di acido cianurico
ES8105257A1 (es) Procedimiento para la preparacion de compuestos de nitroari-lo substituidos
JPS5622630A (en) Recovering method for fluorine from fluorine-containing aqueous solution of aluminum nitrate
IT7823163A0 (it) Produzione di acido solforico. processo catalitico per la
SU1111996A1 (ru) Способ получени пирохлорподобных ниобиевой и танталовой кислот и твердых растворов на их основе
SU1217784A1 (ru) Способ получени тетрафторбората натри
JPS5236596A (en) Method for production of high purity cryolite
BR7700735A (pt) Processo para purificacao de um acido fosforico extraido,e acido fosforico assim purificado
PL198773A1 (pl) Sposob odzyskiwania renu i arsenu z roztworow kwasnych,zwlaszcza z obiegowego roztworu kwasu siarkowego powstajacego w procesie produkcji miedzi
FI955560A (fi) Liuotinmuutosmenetelmä dityppipentoksidia varten
JPS5236597A (en) Method for production of high purity cryolite
ZA929154B (en) Process for emoving organic phosphorus compounds and other impurities from dilute sulfuric acid.
JPS5356189A (en) Separating method for phosphoric acid and zinc
JPS51136613A (en) Process for purification of acetic acid
JPS5317596A (en) Purifying method for wet-process phosphoric acid
TH2100EX (th) กรรมวิธีการทำผลิตภัณฑ์ที่มีประโยชน์จากยูเรเนียมและแรร์เอิร์ธที่มีอยู่ใน uf4ไม่บริสุทธิ์ซึ่งเป็นผลจากการสกัดยูเรเนียมจากกรดฟอสฟอริค

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 453546

Country of ref document: ES