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SOIL TREATMENT WITH AERATED STEAM ENGINEERING ASPECTS

Subject:

Pennsylvania Flower Growers #218

Abstract:

The requirements for the successful operation of an aerated steam system include the following. 1. There must be sources of air and saturated steam. 2. There must be a means for mixing these two components such that the desired treatment temperatures can be easily obtained and controlled. 3. The mixture must be conveyed to the soil mix and distributed through the mass. 4. The flow rate of the mixture must be such that total treatment time is no more than one hour — one-half hour to heat the soil mix to treatment temperature and one-half hour at that temperature. 5. The cost of the system must be reasonable.

Keywords: Sources of air Saturated steam Cost of the system 70°F, 100% rela tive humidity soil mix

Libraries: Floriculture

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