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By Wen-Long Lin, Yu-An Ma, Jun-Ming Chen, Chung-Chyi Yu, 林文隆, 馬聿安, 陳俊明 and 尤瓊琦


The main purpose of this research was to investigate the effect of the water quality by using immobilized Chlorella sp. in a recirculating-water culture system. The actual cultivating tests with the reciculating-water culture system with the hydraulic retention time (HRT) 2 hr were performed. These tests included the comparison with no algal beads and the influence of the higher initial ammonium concentration. The testing results showed that the algal beads could effectively remove ammonium and nitrite and obtained lower concentrations of the peaks than those with no algal beads happened in the system. The average ammonium and nitrite removal efficiencies of the algal beads in the actual tests were about 65 and 6%, and the average ammonium and nitrite removal rates were about 26.61 and 48.29 mg/day, respectively. When the ammonium concentration was higher during the initial testing section, the average ammonium and nitrite removal efficiencies of the algal beads would decrease to about 22 and -1%, respectively. However, the average ammonium removal rate of the algal beads was raised to about 32.25 mg/day, while the average nitrite removal rate was dropped to about 6.73 mg/day.本研究旨在探討固定化小球藻對循環水養殖系統水質的影響。實際循環水養殖系統試驗時,水力停留時間設定為2小時,試驗包括有無放置藻珠之比較,及初始銨(NH4^+)濃度較高時之影響試驗,結果顯示固定化小球藻可有效去除循環水養殖系統中銨(NH4^+)與亞硝酸根離子(NO2^-),並獲致比無藻珠組較低之最高累積濃度,其於實際養殖試驗平均去除效率分別約為65與6%,而平均去除速率則分別約為(NH4^+)26.61與(NO2^-)48.29 mg/day;當初始銨(NH4^+)濃度較高時,固定化小球藻對銨(NH4^+)與亞硝酸根離子(NO2^-)平均去除效率分別下降至約為22與-1%,而對銨(NH4^+)平均去除速率則增快至約32.25 mg/day,但對亞硝酸根離子(NO2^-)平均去除速率則下降至約6.73 mg/day

Topics: Immobilized Chlorella sp., Water quality, Removal efficiency, 固定化小球藻, 水質, 去除效率
Publisher: 臺中巿: 國立中興大學農學院
Year: 2014
OAI identifier:

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