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Evaluation of Zeolite for Control of Odorants Emissions from Simulated Poultry Manure Storage

^a Dep. of Agricultural and Biosystems Engineering, Iowa State Univ., Ames, Iowa, 50011, USA
^b Dep. of Chemistry, Wuhan Univ., Wuhan 430072, PR China. Y. Liang, current address: USDA-ARS, Pendleton, Oregon, USA

View larger version (32K): [in this window] [in a new window]   Fig. 1. Comparison of total ion chromatogram (TIC) between 10% zeolite treatment and control.

View larger version (31K): [in this window] [in a new window]   Fig. 2. Effects of 10% zeolite treatment on characteristic compounds emitted from manure over time for Trial A (part A) and Trial B (part B).

View larger version (36K): [in this window] [in a new window]   Fig. 3. Effects of 10% zeolite treatment on the total odor evaluated with GC-O for Trial A (part A) and Trial B (part B). Total odor was defined as the sum of all separated odor peak areas (product of separated odor intensity and odor duration on an aromagram).

View larger version (32K): [in this window] [in a new window]   Fig. 4. Effects of four layer 5% zeolite treatment on the total odor evaluated with GC-O for Trial C.