BR0305793A - Silica amorphous production process - Google Patents

Silica amorphous production process

Info

Publication number
BR0305793A
BR0305793A BR0305793A BR0305793A BR0305793A BR 0305793 A BR0305793 A BR 0305793A BR 0305793 A BR0305793 A BR 0305793A BR 0305793 A BR0305793 A BR 0305793A BR 0305793 A BR0305793 A BR 0305793A
Authority
BR
Brazil
Prior art keywords
production process
silica
silica amorphous
amorphous production
serpentinite
Prior art date
Application number
BR0305793A
Other languages
Portuguese (pt)
Inventor
Domingos Savio De Lima Lanna
Original Assignee
Sama Mineracao De Amianto Ltda
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 Sama Mineracao De Amianto Ltda filed Critical Sama Mineracao De Amianto Ltda
Priority to BR0305793A priority Critical patent/BR0305793A/en
Publication of BR0305793A publication Critical patent/BR0305793A/en

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  • Silicon Compounds (AREA)

Abstract

"PROCESSO DE PRODUçãO DE SìLICA AMORFA". A presente invenção refere-se a um processo de produção de sílica amorfa a partir de serpentinito ou de resíduos industriais de beneficiamento de serpentinito ou crisotila, submetidos a ao menos uma etapa de lixiviação com ácido clorídrico com controle de pH."Silica amorphous production process". The present invention relates to a process for producing amorphous silica from serpentinite or industrial serpentinite or chrysotile beneficiation residues subjected to at least one pH controlled hydrochloric acid leaching step.

BR0305793A 2003-11-18 2003-11-18 Silica amorphous production process BR0305793A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR0305793A BR0305793A (en) 2003-11-18 2003-11-18 Silica amorphous production process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR0305793A BR0305793A (en) 2003-11-18 2003-11-18 Silica amorphous production process

Publications (1)

Publication Number Publication Date
BR0305793A true BR0305793A (en) 2005-07-12

Family

ID=34705717

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0305793A BR0305793A (en) 2003-11-18 2003-11-18 Silica amorphous production process

Country Status (1)

Country Link
BR (1) BR0305793A (en)

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: SAMA S.A. - MINERACOES ASSOCIADAS (BR/GO)

Free format text: ALTERADO DE: SAMA - MINERACAO DE AMIANTO LTDA.

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL.