IT1195998B - Conc. alkyl aryl azoic dye solns. - Google Patents

Conc. alkyl aryl azoic dye solns.

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Publication number
IT1195998B
IT1195998B IT19228/84A IT1922884A IT1195998B IT 1195998 B IT1195998 B IT 1195998B IT 19228/84 A IT19228/84 A IT 19228/84A IT 1922884 A IT1922884 A IT 1922884A IT 1195998 B IT1195998 B IT 1195998B
Authority
IT
Italy
Prior art keywords
solns
conc
alkyl aryl
azoic dye
boric acid
Prior art date
Application number
IT19228/84A
Other languages
Italian (it)
Other versions
IT8419228A0 (en
Inventor
Ugo Marangelli
Giancarlo Ciocci
Sisto Sergio Papa
Original Assignee
Pigmenti Italia Spa
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 Pigmenti Italia Spa filed Critical Pigmenti Italia Spa
Priority to IT19228/84A priority Critical patent/IT1195998B/en
Publication of IT8419228A0 publication Critical patent/IT8419228A0/en
Application granted granted Critical
Publication of IT1195998B publication Critical patent/IT1195998B/en

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  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

Low- and medium activity wastes comprising max. 50kg/m3 are treated by chemical pptn., filtration, pH adjustment, treatment of the soln. by selective reverse osmosis (boric acid/nitrates) followed by ion exchange sepn. of nitrate impurities from the radioactive boric acid portion, which can be returned to the chemical pptn. The recovered nitrate soln. can be used again
IT19228/84A 1984-01-19 1984-01-19 Conc. alkyl aryl azoic dye solns. IT1195998B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT19228/84A IT1195998B (en) 1984-01-19 1984-01-19 Conc. alkyl aryl azoic dye solns.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19228/84A IT1195998B (en) 1984-01-19 1984-01-19 Conc. alkyl aryl azoic dye solns.

Publications (2)

Publication Number Publication Date
IT8419228A0 IT8419228A0 (en) 1984-01-19
IT1195998B true IT1195998B (en) 1988-11-03

Family

ID=11155952

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19228/84A IT1195998B (en) 1984-01-19 1984-01-19 Conc. alkyl aryl azoic dye solns.

Country Status (1)

Country Link
IT (1) IT1195998B (en)

Also Published As

Publication number Publication date
IT8419228A0 (en) 1984-01-19

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