ES2004461A6 - Procedimiento perfeccionado para la produccion de anhidrido borico a partir de acido borico - Google Patents

Procedimiento perfeccionado para la produccion de anhidrido borico a partir de acido borico

Info

Publication number
ES2004461A6
ES2004461A6 ES8702233A ES8702233A ES2004461A6 ES 2004461 A6 ES2004461 A6 ES 2004461A6 ES 8702233 A ES8702233 A ES 8702233A ES 8702233 A ES8702233 A ES 8702233A ES 2004461 A6 ES2004461 A6 ES 2004461A6
Authority
ES
Spain
Prior art keywords
absence
boric oxide
boric
acid
exceeding
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
Application number
ES8702233A
Other languages
English (en)
Inventor
Antonio Vasconi
Paolo Mazzinghi
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.)
Chimica Larderello SpA Soc
Original Assignee
Chimica Larderello SpA Soc
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 Chimica Larderello SpA Soc filed Critical Chimica Larderello SpA Soc
Publication of ES2004461A6 publication Critical patent/ES2004461A6/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B35/00—Boron; Compounds thereof
    • C01B35/08—Compounds containing boron and nitrogen, phosphorus, oxygen, sulfur, selenium or tellurium
    • C01B35/10—Compounds containing boron and oxygen
    • C01B35/1027—Oxides
    • C01B35/1036—Boric anhydride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Luminescent Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

ANHIDRIDO BORICO CON ELEVADO GRADO DE PUREZA Y NO ADHERENTE A LAS PAREDES DEL REACTOR ES OBTENIDO MEDIANTE: A) CALENTAMIENTO GRADUAL DE ACIDO BORICO, EN AUSENCIA O SUSTANCIAL AUSENCIA DE FENOMENOS DE FUSION, A TEMPERATURAS CRECIENTES HASTA UN VALOR NO SUPERIOR A APROXIMADAMENTE 150GC, OPERANDO A PRESION INFERIOR A LA ATMOSFERICA, CON ELIMINACION DE AGUA, HASTA UNA TRANSFORMACION COMPLETA O SUSTANCIALMENTE COMPLETA DEL ACIDO BORICO EN EL ACIDO METABORICO; B) CALENTAMIENTO GRADUAL DEL ACIDO METABORICO, OBTENIDO EN LA ETAPA A), EN AUSENCIA O SUSTANCIAL AUSENCIA DE FENOMENOS DE FUSION, CON TEMPERATURAS CRECIENTES HASTA UN VALOR NO SUPERIOR A APROXIMADAMENTE 400GC, OPERANDO A UNA PRESION INFERIOR A LA ATMOSFERICA, CON ELIMINACION DE AGUA, HASTA UNA TRANSFORMACION COMPLETA O SUSTANCIALMENTE COMPLETA DEL ACIDO METABORICO EN ANHIDRIDO BORICO.
ES8702233A 1986-07-16 1987-07-14 Procedimiento perfeccionado para la produccion de anhidrido borico a partir de acido borico Expired ES2004461A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21142/86A IT1196499B (it) 1986-07-16 1986-07-16 Procedimento perfezionato per la preparazione di anidride borica

Publications (1)

Publication Number Publication Date
ES2004461A6 true ES2004461A6 (es) 1989-01-01

Family

ID=11177360

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8702233A Expired ES2004461A6 (es) 1986-07-16 1987-07-14 Procedimiento perfeccionado para la produccion de anhidrido borico a partir de acido borico

Country Status (7)

Country Link
US (1) US4908196A (es)
JP (1) JPS6325216A (es)
ES (1) ES2004461A6 (es)
FR (1) FR2601666B1 (es)
GB (1) GB2192625B (es)
IT (1) IT1196499B (es)
TR (1) TR23163A (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0478428B1 (fr) * 1990-09-25 1995-03-08 Institut Français du Pétrole Procédé de préparation d'oxyde borique par hydrolyse du borate de méthyle et sa mise en oeuvre dans l'oxydation d'hydrocarbures saturées en alcools
US5651949A (en) * 1993-11-24 1997-07-29 U.S. Borax Inc. Production of boric oxide
US5424052A (en) * 1993-11-24 1995-06-13 U.S. Borax Inc. Production of boric oxide
TR199802126A1 (xx) * 1998-10-22 2000-05-22 Tübi̇tak Marmara Araştirma Merkezi̇ Akışkan yatakta bor oksit üretimi.
US6991773B2 (en) * 2002-08-19 2006-01-31 Nanomix, Inc. Boron-oxide and related compounds for hydrogen storage
CN107055562A (zh) * 2017-05-15 2017-08-18 天津市风船化学试剂科技有限公司 一种粉状5n高纯三氧化二硼的制备方法
CN110217803B (zh) * 2019-06-28 2024-02-13 广东先导微电子科技有限公司 一种制备长晶级初级氧化硼的系统及方法
CN110987714B (zh) * 2019-12-17 2022-07-22 佛山纬达光电材料股份有限公司 一种染料系偏光膜加工槽液中硼酸含量的测定方法
WO2024018933A1 (ja) * 2022-07-20 2024-01-25 デンカ株式会社 窒化ホウ素粉末の製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1603222A (es) * 1968-10-17 1971-03-22
JPS61155217A (ja) * 1984-12-27 1986-07-14 Rasukatsuto Kagaku Kk 酸化ホウ素の製造法
JPS62182112A (ja) * 1986-02-07 1987-08-10 Rasukatsuto Kagaku Kk 酸化ホウ素の製造法

Also Published As

Publication number Publication date
GB2192625B (en) 1990-04-04
JPS6325216A (ja) 1988-02-02
GB2192625A (en) 1988-01-20
TR23163A (tr) 1989-06-02
IT1196499B (it) 1988-11-16
IT8621142A0 (it) 1986-07-16
GB8715852D0 (en) 1987-08-12
FR2601666B1 (fr) 1990-03-02
FR2601666A1 (fr) 1988-01-22
US4908196A (en) 1990-03-13

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