IT1195998B - Conc. alkyl aryl azoic dye solns. - Google Patents
Conc. alkyl aryl azoic dye solns.Info
- 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
Links
- 125000002877 alkyl aryl group Chemical group 0.000 title 1
- 229910002651 NO3 Inorganic materials 0.000 abstract 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 abstract 2
- 239000004327 boric acid Substances 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 2
- 230000000694 effects Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 238000005342 ion exchange Methods 0.000 abstract 1
- 150000002823 nitrates Chemical class 0.000 abstract 1
- 238000010979 pH adjustment Methods 0.000 abstract 1
- 230000002285 radioactive effect Effects 0.000 abstract 1
- 238000001223 reverse osmosis Methods 0.000 abstract 1
- 238000011282 treatment Methods 0.000 abstract 1
Landscapes
- 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
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) |
-
1984
- 1984-01-19 IT IT19228/84A patent/IT1195998B/en active
Also Published As
Publication number | Publication date |
---|---|
IT8419228A0 (en) | 1984-01-19 |
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