Microalgae cultivation in palm oil mill effluent (POME) for lipid production and pollutants removal

被引：80
作者：
Cheah, Wai Yan [1 ,2 ]
Show, Pau Loke [3 ]
Juan, Joon Ching [4 ,5 ]
Chang, Jo-Shu [6 ,7 ]
Ling, Tau Chuan [1 ]
机构：
[1] Univ Malaya, Inst Biol Sci, Fac Sci, Kuala Lumpur 50603, Malaysia
[2] MAHSA Univ, Dept Environm Hlth, Fac Hlth & Sport Sci, Jenjarom 42610, Selangor, Malaysia
[3] Univ Nottingham Malaysia Campus, Bioseparat Res Grp, Dept Chem & Environm Engn, Fac Engn, Jalan Broga, Semenyih 43500, Selangor Darul, Malaysia
[4] Univ Malaya, Nanotechnol & Catalysis Res Ctr NANOCAT, Kuala Lumpur 50603, Malaysia
[5] Monash Univ, Sch Sci, Sunway Campus, Sunway 46150, Malaysia
[6] Natl Cheng Kung Univ, Dept Chem Engn, Tainan 701, Taiwan
[7] Natl Cheng Kung Univ, Res Ctr Energy Technol & Strategy, Tainan 701, Taiwan
来源：
ENERGY CONVERSION AND MANAGEMENT | 2018年 / 174卷
关键词：
Biofuel; Microalgae; Palm oil mill effluent; Pretreatment; Wastewater; WASTE-WATER TREATMENT; LIFE-CYCLE ASSESSMENT; BIOMASS PRODUCTION; BIODIESEL PRODUCTION; CHLORELLA-PYRENOIDOSA; CARBON; BIOFUELS; SYSTEM; GROWTH; OPTIMIZATION;
D O I：
10.1016/j.enconman.2018.08.057
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Microalgae cultivation in wastewaters has been identified as the solution for economical microalgae cultivation. This study investigated the feasibility of using POME for Chiorella sp. cultivation to yield biomass and lipids, as it generates massively in Malaysia which ranked world palm oil exporter. The optimal POME concentration and pretreatment strategy were applied to promote biomass and lipid productivities. Chiorella sorokiniana CY-1 attained maximal of 11.21% of lipid content with 2.12 g L-1 of biomass concentration when cultivation in acid-heat pretreated 30% (v/v) POME. This provides relatively higher yield than those reported values on POME. Pretreatment was found effective to enhance biomass productions, as it converts lignin in POME into reducing sugars to serve as the supplement. The pollutants removal efficiencies were 62.07% for TN, 47.09% for COD, and 30.77% for TP. This contributes towards greater feasibility in microalgae cultivation for biofuel productions and as well towards environmental sustainability.
引用
收藏
页码：430 / 438
页数：9
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