滴濾設施去除密閉式豬舍逸散之粉塵、氨氣及異味

本試驗之目的為評估滴濾設施安裝於密閉式豬舍後對豬舍內通風量之影響，並探討滴濾設施對豬舍逸散之空氣污染物去除效果。利用環境控制通風系統固定風扇運轉100%、80%、60%及40%時，分別量測滴濾設施與豬舍內風速，計算通風量及滴濾設施之空塔停留時間。當控制通風系統固定風扇運轉100%、80%、60%及40%時，滴濾設施之氣體接觸時間分別為0.28、0.32、0.44、0.66 sec；豬舍內之風速較未裝設滴濾設施前分別降低0.35、0.24、0.10及0.10 m/s，通風量則降低290、195、88及86 m^3/min。密閉式豬舍安裝滴濾設施對散逸之氨氣、粉塵、異味平均去除率分別為54.2%、79.2%、55.4%，處理前之氨氣、粉塵、異味等平均濃度均顯著高於處理後（P ＜ 0.01），分別為3.54 ppm、0.93 mg/m^3、67.2 及1.57 ppm、0.19 mg/m^3、34.6。因此，本試驗之滴濾設施可安裝於密閉式豬舍作為豬舍空氣污染物去除之方式。

關鍵字

滴濾設施；粉塵；氨氣；異味

並列摘要

A trickling-filter system was installed in a closed type swine house. When the ventilation system were set at 100%, 80%, 60% and 40% operation, the air speeds were reduced 0.65, 0.79, 0.66, 0.53 m/s and the wind amounts were reduced 198, 242, 200 and 162 m^3/min, respectively, when compared to those before setting up the trickling filters. When the ventilation system was set at 100%, 80%, 60% or 40% operation, the empty bed retention time was 0.28, 0.32, 0.44 or 0.66 seconds, respectively. The average removal rates for the ammonia, dust and odor emitted from swine house were 54.2%, 79.2% and 55.4%, respectively. The ammonia, dust and odor concentrations of treated exhausted gas were 1.57 ppm, 0.14 mg/ m^3, 34.6, respectively, which were significantly lower than those of untreated gas (P ＜ 0.01) as 3.54 ppm, 0.93 mg/m^3, 67.2, respectively. The trickling filters could be installed in the closed type swine house for air pollutants removal.

並列關鍵字

Trickling filter ； Ammonia ； Dust ； Odor

國際替代計量

滴濾設施去除密閉式豬舍逸散之粉塵、氨氣及異味

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