IT1196422B - Elimination of urea prodn. plant stripper corrosion - Google Patents
Elimination of urea prodn. plant stripper corrosionInfo
- Publication number
- IT1196422B IT1196422B IT22962/82A IT2296282A IT1196422B IT 1196422 B IT1196422 B IT 1196422B IT 22962/82 A IT22962/82 A IT 22962/82A IT 2296282 A IT2296282 A IT 2296282A IT 1196422 B IT1196422 B IT 1196422B
- Authority
- IT
- Italy
- Prior art keywords
- image planes
- prodn
- elimination
- urea
- corrosion
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 1
- 239000004202 carbamide Substances 0.000 title 1
- 230000007797 corrosion Effects 0.000 title 1
- 238000005260 corrosion Methods 0.000 title 1
- 230000008030 elimination Effects 0.000 title 1
- 238000003379 elimination reaction Methods 0.000 title 1
Landscapes
- Indicating Measured Values (AREA)
Abstract
The image display system displays image data from an image memory on multiple image planes and vertical scrolling can be independently effected for each of the image planes displayed. Assuming that two image planes are displayed on upper and lower areas, display starting addresses lying in the vertical direction of the upper and lower image planes and stored in two registers are loaded into a counter via a switch in a display period of the upper and lower image planes to generate addresses in the vertical direction of the upper and lower image planes. The vertical scrolling operation only for one of the upper and lower image planes can be effected by sequentially updating the display starting addresses lying in the vertical direction of the upper and lower image planes and held in one of the registers. @(42pp Dwg.No.4/8)@
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT22962/82A IT1196422B (en) | 1982-08-25 | 1982-08-25 | Elimination of urea prodn. plant stripper corrosion |
DE8383101198T DE3364579D1 (en) | 1982-06-03 | 1983-02-08 | Method for avoiding the corrosion of strippers in urea manufacturing plants |
EP83101198A EP0096151B1 (en) | 1982-06-03 | 1983-02-08 | Method for avoiding the corrosion of strippers in urea manufacturing plants |
ES519891A ES8403531A1 (en) | 1982-06-03 | 1983-02-18 | Method for avoiding the corrosion of strippers in urea manufacturing plants. |
CA000422202A CA1211689A (en) | 1982-06-03 | 1983-02-23 | Method for avoiding the corrosion of the strippers in the urea manufacturing plants |
AR292243A AR240839A1 (en) | 1982-06-03 | 1983-02-28 | METHOD TO AVOID THE CORROSION OF SEPARATORS IN UREA MANUFACTURING PLANTS. |
BR8301109A BR8301109A (en) | 1982-06-03 | 1983-03-07 | PROCESS OF PASSIVATING SURFACE OF SEPARATORS OF UREA PRODUCTION FACILITIES |
PT76639A PT76639B (en) | 1982-06-03 | 1983-05-04 | Method for avoiding the corrosion of the strippers in the urea manufacturing plants |
US07/048,458 US4758311A (en) | 1982-06-03 | 1987-05-11 | Method for avoiding the corrosion of the strippers in the urea manufacturing plants |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT22962/82A IT1196422B (en) | 1982-08-25 | 1982-08-25 | Elimination of urea prodn. plant stripper corrosion |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8222962A0 IT8222962A0 (en) | 1982-08-25 |
IT1196422B true IT1196422B (en) | 1988-11-16 |
Family
ID=11202346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22962/82A IT1196422B (en) | 1982-06-03 | 1982-08-25 | Elimination of urea prodn. plant stripper corrosion |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1196422B (en) |
-
1982
- 1982-08-25 IT IT22962/82A patent/IT1196422B/en active
Also Published As
Publication number | Publication date |
---|---|
IT8222962A0 (en) | 1982-08-25 |
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