Deodorization by Some Wastes of Daily Life

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  • 日常生活の廃棄物による消臭

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<p>Deodorizations of ammonia and isovaleric acid were measured with Tedlar bag and gas detector method for wastes of daily life, mainly fibrous ones: namely, (1) newspaper, (2) extracted coffee beans roasted and ground, (3) dish towel, (4) corrugated cardboard, (5) blue jeans cloth, (6) extracted green tea, (7) extracted tea with roasted whole rice, (8) extracted coffee beans roasted and non-ground, and (9) egg shell. For comparison, the data for scoured silk and wool fibers were taken from a preceding paper1) by the same authors. For ammonia, values of the initial deodorization rate, k, were found to be in the decreasing order from (1) to (9), and those of the final capacity, C, were; (3)>(1)<tt>～</tt>(2)<tt>～ </tt>(4)>(6)>(5)>(8)>(7)>(9), respectively. For isovaleric acid, k and C values were in the orders; (1)>(9)>(6)>(2)>(3)>(5)>(8)>(4) and (3)>(1)>(6)>(4)>(2)>(5)>(8)<tt>～</tt>(9), respectively. Newspaper showed k and C values superior to any other waste. Coffee beans (8), became more effective for the deodorizations by grinding to smaller sizes. The C values of silk and wool were found to be about 29 and 10 times larger than that of newspaper, the largest in the waste materials.</p>

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