DOI: 10.1016/j.jcou.2019.01.007
Scopus记录号: 2-s2.0-85062169509
论文题名: Sustainability of carbon delivery to an algal biorefinery: A techno-economic and life-cycle assessment
作者: Somers M.D. ; Quinn J.C.
刊名: Journal of CO2 Utilization
ISSN: 22129820
出版年: 2019
卷: 30 起始页码: 193
结束页码: 204
语种: 英语
英文关键词: Biofuel
; Cellulosic sugar
; Hydrogen carbonate
; Microalgae
; Utilization
Scopus关键词: Algae
; Atmospheric chemistry
; Bioconversion
; Biofuels
; Carbon dioxide
; Cellulosic ethanol
; Climate change
; Microorganisms
; Organic carbon
; Pipeline terminals
; Pipelines
; Refining
; Sustainable development
; Waste utilization
; Energy and emissions
; Engineering systems
; High productivity
; Hydrogen carbonates
; Life Cycle Assessment (LCA)
; Micro-algae
; Pipe-line transportations
; Power plant wastes
; Life cycle
英文摘要: Supplementation of carbon is critical for high productivity cultivation of most microalgae. Moreover, using microalgae for atmospheric CO 2 mitigation to combat climate change is promising as waste sources and atmospheric CO 2 can be utilized to produce useful products. The challenge is developing technologies, processes, and strategies that utilize carbon efficiently such that the overall system is sustainable. Through engineering system modeling combined with techno-economic and life-cycle assessments, this study examined the implications of various delivery methods of carbon to a production-scale algal biorefinery. Five primary carbon sources were considered: atmospheric CO 2 ; CO 2 from direct chemical or power plant waste emissions; CO 2 that has been concentrated from waste sources and compressed; inorganic carbon in the form of hydrogen carbonate; and organic carbon in the form of cellulosic sugars derived from corn stover. Each source was evaluated assuming co-location as well as pipeline transportation up to 100 km. Sustainability results indicate that economics are more prohibitive than energy and emissions. Of the scenarios evaluated, only two met both the economic and environmental criteria of contributing less than 0.50 US-$ GGE -1 and 20 g CO 2-eq MJ -1 to the overall system, respectively: uncompressed, pure sources of gaseous CO 2 with pipeline transportation of 40 km or less; and compressed, supercritical CO 2 from pure sources for pipeline transportation up to 100 km. A first order scalability assessment of algal biofuels based on these results shows carbon to be a limiting nutrient in an algal biorefinery with a total US production capability of 360 million gallons of fuel per year. © 2019 Elsevier Ltd. All rights reserved. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/117290
Appears in Collections: 气候变化与战略
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Recommended Citation:
Somers M.D.,Quinn J.C.. Sustainability of carbon delivery to an algal biorefinery: A techno-economic and life-cycle assessment[J]. Journal of CO2 Utilization,2019-01-01,30