固定化小球藻除銨之基礎研究

Fundamental Study on Wastewater Ammonium Removal by Immobilized Chlorella sp.

林文隆(Wen-Long Lin) ； 陳俊明(Jiunn-Ming Chen) ； 尤瓊琦(Chung-Chyi Yu)

《農林學報》 55卷3期 (2006/09) Pp. 207-221

https://doi.org/10.30089/JAF.200609.0003

摘要

本研究旨在探討不同條件下對固定化小球藻除銨（NH4+）的效果，包括不同初始培養液（綠色藻與Bristol培養液）、不同光週期及不同銨（NH4+）濃度下所造成的影響。試驗結果顯示，Bristol培養液培養之小球藻其所製成之藻珠除銨（NH4+）速率較綠色藻培養液組快；光週期（連續與12/12小時間歇光照）則以連續光照組除銨（NH4+）速率高於間歇光照組；不同濃度試驗獲致藻珠於試驗初始階段除銨（NH4+）進率隨著銨（NH4+）濃度增加而提高，其高濃度銨（NH4+）人工合成廢液，平均去除速率最大可達20.41mg/l．day。本研究亦獲致人工合成廢液中微量元素具有促進褐藻膠珠吸附銨（NH4+）的能力，其飽和吸附累加濃度達到38.65mg/l。

關鍵字

小球藻 ； 固定化 ； 除銨

並列摘要

The main purpose of this research was to investigate the effects of ammonium removal by immobilized Chlorella sp. under different conditions. These conditions included different culture media (green algae and Bristol culture media), different photoperiods, and different ammonium concentrations of synthetic wastewaters. According to the results of tests, Chlorella sp. which cultivated in Bristol medium and entrapped in Na-alginate as algal beads had a higher ammonium removal rate than those cultivated in green algae medium. The algal beads under continuous illumination also had a higher ammonium removal rate than the algal beads under intermittent illumination (12 hr brightness/12hr darkness). The testings using synthetic wastewaters with different ammonium concentrations obtained that during the initial testing section, the ammonium removal rate of the algal beads would increase as the ammonium concentration raised. The maximum average ammonium removal rate was demonstrated up to about 20.41 mg/l．day at high ammonium concentrations. This research also showed that the trace elements in synthetic wastewaters could improve the ammonium adsorptive ability of blank alginate beads, and the saturated adsorptive concentration was accumulated to about 38.65mg/l.

並列關鍵字

Chlorella sp. ； immobilized ； ammonium removal