Department of BioNano Technology, Gachon University, Seongnam-si, Gyeonggi-do 461-701, Republic of Korea.
Biomass and Waste Energy Laboratory, Korea Institute of Energy Research (KIER), Daejeon 305-343, Republic of Korea.
Bioresour Technol. 2015 May;184:63-72. doi: 10.1016/j.biortech.2014.10.145. Epub 2014 Nov 5.
Among the various steps entailed in the production of biodiesel from microalgae, the efficiency and cost-reduction of the cultivation and harvesting steps remain key obstacles to its practical commercialization. Recently, in order to overcome the technical bottlenecks and limitations with regard to both steps, nanoparticle engineering based on particles' unique physico-chemical and mechanical properties has been extensively applied as a powerful analytical and practical tool. These applications include the enhancement of cell growth and/or pigments by light back-scattering, the induction of intracellular lipid accumulation by nutritional competition and/or stress environment, the improvement of cell separation efficiency and processing time from culture broth, the multiple reuse of magnetic nanoparticle flocculant, and integrated one-pot harvesting/cell-disruption. This review presents and discusses the recent nanoparticle-engineering-based developments in the implementation of practical microalgal cultivation and harvesting processes.
在利用微藻生产生物柴油的诸多步骤中，培养和收获步骤的效率和成本降低仍然是其实际商业化的关键障碍。最近，为了克服这两个步骤的技术瓶颈和限制，基于颗粒独特的物理化学和机械特性的纳米颗粒工程已被广泛用作一种强大的分析和实用工具。这些应用包括通过光背散射增强细胞生长和/或色素、通过营养竞争和/或胁迫环境诱导细胞内脂质积累、提高细胞从培养液中的分离效率和加工时间、多次重复使用磁性纳米颗粒絮凝剂以及集成一锅收获/细胞破碎。本文介绍和讨论了基于纳米颗粒工程在实施实用的微藻培养和收获工艺方面的最新进展。
