CA1156427A - Methode de separation de l'acide phosphorique de traitement des metaux lourds - Google Patents

Methode de separation de l'acide phosphorique de traitement des metaux lourds

Info

Publication number
CA1156427A
CA1156427A CA000360425A CA360425A CA1156427A CA 1156427 A CA1156427 A CA 1156427A CA 000360425 A CA000360425 A CA 000360425A CA 360425 A CA360425 A CA 360425A CA 1156427 A CA1156427 A CA 1156427A
Authority
CA
Canada
Prior art keywords
phosphoric acid
heavy metals
alkali
sulphide
acid
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
CA000360425A
Other languages
English (en)
Inventor
Hans A.L. Berglund
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.)
Boliden AB
Original Assignee
Boliden AB
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 Boliden AB filed Critical Boliden AB
Priority to CA000360425A priority Critical patent/CA1156427A/fr
Application granted granted Critical
Publication of CA1156427A publication Critical patent/CA1156427A/fr
Expired legal-status Critical Current

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  • Removal Of Specific Substances (AREA)
CA000360425A 1980-09-17 1980-09-17 Methode de separation de l'acide phosphorique de traitement des metaux lourds Expired CA1156427A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000360425A CA1156427A (fr) 1980-09-17 1980-09-17 Methode de separation de l'acide phosphorique de traitement des metaux lourds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000360425A CA1156427A (fr) 1980-09-17 1980-09-17 Methode de separation de l'acide phosphorique de traitement des metaux lourds

Publications (1)

Publication Number Publication Date
CA1156427A true CA1156427A (fr) 1983-11-08

Family

ID=4117906

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000360425A Expired CA1156427A (fr) 1980-09-17 1980-09-17 Methode de separation de l'acide phosphorique de traitement des metaux lourds

Country Status (1)

Country Link
CA (1) CA1156427A (fr)

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Legal Events

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