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| Titel: |
Minimizing environmental exposure of 1, 2-dibromoethane (EDB) by cold trapping in a fumigation chamber |
| Auteur: |
Winterlin, Wray L. Whitehead, William E. Akesson, Norman B. |
| Verschenen in: |
Journal of environmental science and health. Part B, Pesticides, food contaminants, and agricultural wastes |
| Paginering: | Jaargang 21 (1986) nr. 1 pagina's 1-24 |
| Jaar: |
1986 |
| Inhoud: |
A new approach for fumigating citrus with EDB was recently investigated with the dual objective of reducing exposure to the atmosphere following its use and for recycling the fumigant after an operation for continued use. The principle is based on cold trapping the EDB vapors out of the air following the fumigation process. Three progressive studies were undertaken starting from a simple laboratory investigation to evaluate it technical feasibilitv and enventually a 12 m3 field model fumigation chamber equipped with a conventional 2.72 ton (metric) air conditioning was assembled to verify its technical feasibility into a commercial operation. Using this less than optimum model system, it was shown that up to 78% of ?D? vapors were trapped onto cold coils followed by recycling of the vapors with air movement and warm temperatures. It was also observed that EDB decomposes rapidly in the presence of hot metallic surfaces and that special precautions are necessary in order to prevent decomposition in the vaporization process. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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