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A Case Study for Installation of Dry Washing Process in Kitchen  

Tateda, Masafumi (Toyama Prefectural University)
Kim, Youngchul (Hanseo University)
Publication Information
Journal of Korean Society on Water Environment / v.23, no.3, 2007 , pp. 391-396 More about this Journal
Abstract
Dry washing by air and sand to clean dishes was investigated for establishing a dry washing process in a kitchen. Thirty seasonings and foods as dirt markers and fourteen kinds of dishes were used for the experiment, and washing efficiency was evaluated by COD-MN (mg/L). It was found that air dry washing effectively reduced COD-MN of some dirt markers but not effective at all to some dirt markers. It could be also said that dirt markers would not be completely removed by air dry washing. The shape of dishes also affected COD-MN reduction by air dry washing. Sand dry washing showed excellent efficiency on COD-MN reduction. Combination of air and sand dry washing may be necessary to make a dish dry washing system which is completely independent from water.
Keywords
Dry washing by air; Kitchen; Sand dry washing;
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