IT1188787B - Cement based on hydrated lime and inert materials - Google Patents
Cement based on hydrated lime and inert materialsInfo
- Publication number
- IT1188787B IT1188787B IT2260679A IT2260679A IT1188787B IT 1188787 B IT1188787 B IT 1188787B IT 2260679 A IT2260679 A IT 2260679A IT 2260679 A IT2260679 A IT 2260679A IT 1188787 B IT1188787 B IT 1188787B
- Authority
- IT
- Italy
- Prior art keywords
- lamp
- power
- flow
- sterilisation
- switched
- Prior art date
Links
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 title 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 title 1
- 235000011116 calcium hydroxide Nutrition 0.000 title 1
- 239000000920 calcium hydroxide Substances 0.000 title 1
- 239000004568 cement Substances 0.000 title 1
- 239000000463 material Substances 0.000 title 1
- 238000004659 sterilization and disinfection Methods 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
Landscapes
- Physical Water Treatments (AREA)
Abstract
Water to be sterilised flows through regions (14, 15) containing ultra violet lamps (16, 17) each of which operates at a power level sufficient to effect complete sterilisation. If one lamp should fail another, others of the lamps immediately switch to higher power to ensure continued complete sterilisation of the water. Pref. the flow is divided such that half the flow passes through each sterilisation chamber (14, 15) and each lamp (16, 17) operates at half power, but if a lamp fails valves (18, 19, 20, 21) are switched to cause all the flow to pass through the chamber containing a still operative lamp and the lamp power is switched from half to full power. Failure of a lamp can cause an audible alarm to be generated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2260679A IT1188787B (en) | 1979-05-11 | 1979-05-11 | Cement based on hydrated lime and inert materials |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2260679A IT1188787B (en) | 1979-05-11 | 1979-05-11 | Cement based on hydrated lime and inert materials |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7922606A0 IT7922606A0 (en) | 1979-05-11 |
IT1188787B true IT1188787B (en) | 1988-01-28 |
Family
ID=11198366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2260679A IT1188787B (en) | 1979-05-11 | 1979-05-11 | Cement based on hydrated lime and inert materials |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1188787B (en) |
-
1979
- 1979-05-11 IT IT2260679A patent/IT1188787B/en active
Also Published As
Publication number | Publication date |
---|---|
IT7922606A0 (en) | 1979-05-11 |
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