Thermal pre-treatment of wet microalgae harvest for efficient hydrocarbon recovery

被引：62

作者：

Kita, K. ^{[1
]}

Okada, S. ^{[1
]}

Sekino, H. ^{[1
]}

Imou, K. ^{[1
]}

Yokoyama, S. ^{[1
]}

Amano, T. ^{[2
]}

机构：

[1] Univ Tokyo, Grad Sch Agr & Life Sci, Lab Biol & Mech Engn, Tokyo 1138657, Japan

[2] Tokyo Gas Co Ltd, Technol Res Inst, Tsurumi Ku, Kanagawa 2300045, Japan

来源：

APPLIED ENERGY | 2010年 / 87卷 / 07期

关键词：

Botryococcus braunii; B race; Hydrocarbon; Thermal pretreatment; BOTRYOCOCCUS-BRAUNII; EXTRACTION; CULTURES;

D O I：

10.1016/j.apenergy.2009.11.036

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Botryococcus braunii, a green colonial microalga, is an unusually rich renewable source of hydrocarbons. In this study, wet microalgae harvest was thermally pretreated to enhance hydrocarbon recovery using a solvent extraction process. Samples containing a mixture of B. braunii and water were kept below 100 degrees C for 10 min. The observed hydrocarbon recovery was 97.8% at 90 degrees C. The extraction results suggest that the energy-intensive concentration and drying processes of the harvest could be eliminated. The proposed thermal pretreatment would revolutionize the conventional downstream processes. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：2420 / 2423

页数：4

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