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Meta-Analytic Review on Third-Generation Biodiesel
BioEnergy Research ( IF 3.1 ) Pub Date : 2021-01-12 , DOI: 10.1007/s12155-020-10232-6
Bruno Rafael de Almeida Moreira , Charlene Raquel de Almeida Viana , Victor Hugo Cruz , Paulo Renato Matos Lopes , Ronaldo da Silva Viana , Ricardo Alan Verdú Ramos

Microalgal biodiesel is technically viable to power diesel engines. This third-generation biofuel has great performance of combustion and can reduce emission of greenhouse gases into the atmosphere. However, its production is currently very expensive, relative to petrochemical diesel. Development and implementation of strategies to optimize productivity and quality of biomass and thus ensure this future-proof biofuel is economically feasible to fabricate and competitive with diesel oil on an industrial scale is challenging. This meta-analytic overview documents the diversity of fastest-growing, oil-accumulating microalgae; performance of cultures and systems; strategies for inducing lipids; and quality and economics of microalgal biodiesel. The microalgae, Neochloris oleoabundans, Scenedesmus obliquus, Desmodesmus sp., and Micractinium sp., are hyperaccumulators of lipids. The genre, Micractinium sp., is a thermophile, and thus it can resist hydrothermal streams. Complementarily, it is the fastest to grow and the most productive in both biomass and biodiesel. This should be of great importance to roll-out sustainable, high-performance algal systems in marginal lands in tropical zones, where the heat often makes the planning and management of projects difficult and expensive. Heat shock, nutritional starvation, and photoperiod are the most effective algae-specific strategies for inducing mechanisms for lipogenesis in Ankistrodesmus dimorphus, Chlorella vulgaris and Leptolyngbya sp., Cylindrotheca closterium and N. oleoabundans, and Amphora subtropica and Dunaliella sp., respectively. Rhodococcus sp. produces a significant amount of biomass at very low cost, relative to diesel oil. The concept of synergistically co-culturing microalgae with this photosynthetically active bacterium may be an option to save the producer the expenditures and uncertainties of third-generation biodiesel.



中文翻译:

第三代生物柴油的Meta分析综述

微藻生物柴油在技术上可以为柴油发动机提供动力。这种第三代生物燃料具有出色的燃烧性能,可以减少温室气体向大气中的排放。但是,相对于石化柴油,其生产目前非常昂贵。制定和实施战略,以优化生物质的生产率和质量,从而确保这种面向未来的生物燃料在经济上可行地进行制造,并且在工业规模上与柴油竞争具有挑战性。本荟萃分析概述记录了增长最快,富油的微藻的多样性。文化和制度的表现;诱导脂质的策略;以及微藻生物柴油的质量和经济性。微藻,新油菜斜生scenedesmusDesmodesmus sp。和Micractinium sp。是脂质的过度蓄积物。的流派,Micractinium属,是一种嗜热,并且因此它能抵抗水热流。作为补充,它在生物质和生物柴油中增长最快,生产力最高。这对于在热带地区的边缘地区推出可持续的高性能藻类系统非常重要,因为热带地区的高温经常使项目的规划和管理变得困难而昂贵。热休克,营养饥饿和光照是诱导脂肪生成的机制,最有效的藻类具体策略Ankistrodesmus二形小球藻Leptolyngbya sp。,Cylindrotheca closteriumN. oleoabundans以及亚热带油罐Dunaliella sp.。红球菌属。相对于柴油,它以非常低的成本生产了大量的生物质。与这种具有光合作用的细菌协同培养微藻的概念可能是一种选择,可以为生产者节省第三代生物柴油的支出和不确定性。

更新日期:2021-01-13
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