Study of algal biomass harvesting through cationic cassia gum, a natural plant based biopolymer

被引：54

作者：

Banerjee, Chiranjib ^{[1
]}

Ghosh, Sandipta ^{[2
,3
]}

Sen, Gautam ^{[2
]}

Mishra, Sumit ^{[2
]}

Shukla, Pratyoosh ^{[1
,4
]}

Bandopadhyay, Rajib ^{[1
]}

机构：

[1] Birla Inst Technol, Dept Biotechnol, Ranchi 835215, Jharkhand, India

[2] Birla Inst Technol, Dept Appl Chem, Ranchi 835215, Jharkhand, India

[3] Hindustan Gum & Chem Ltd, Bhiwani 127021, Haryana, India

[4] Maharshi Dayanand Univ, Dept Microbiol, Rohtak 124001, Haryana, India

来源：

BIORESOURCE TECHNOLOGY | 2014年 / 151卷

关键词：

Microalgae harvesting; Flocculation; Chlamydomonas sp CRP7; Chlorella sp CB4; Cationic cassia; FLOCCULATING AGENT; MICROALGAE; STARCH; BIODIESEL;

D O I：

10.1016/j.biortech.2013.10.035

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Green unicellular microalgae have a capacity to entrap CO2 to increase their biomass through photosynthesis and are important for the value added product. The presence of COOH and NH2 groups are responsible for imparting negative zeta value. The present work emphasizes on the synthesis of cationic cassia (CCAS) by the insertion of quaternary amine groups onto the backbone of cassia (CAS) from N-3-Chloro-2-hydroxypropyl trimethyl ammonium chloride (CHPTAC) which was further characterized via FTIR, SEM, elemental analysis and intrinsic viscosity. The optimal dosage of the synthesized cationic cassia is used to flocculate two different green fresh water algae viz. Chlamydomonas sp. CRP7 and Chlorella sp. CB4 were evaluated. 80 and 35 mg L-1 was optimized dose for dewatering of above algae, respectively. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：6 / 11

页数：6

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