Toward lower cost cellulosic biofuel production using ammonia based pretreatment technologies

Mingjie Jin, Leonardo Da Costa Sousa, Christopher Schwartz, Yuxin He, Cory Sarks, Christa Gunawan, Venkatesh Balan, Bruce E. Dale

Research output: Contribution to journalArticle

  • 15 Citations

Abstract

In response to growing concerns about energy security, environmental sustainability and societal sustainability, cellulosic biomass refining technologies have been extensively developed in recent years. However, these technologies are not yet fully commercialized. High capital cost and high enzyme cost are two major bottlenecks. Capital cost and operating cost (excluding 33% feedstock cost) account for 34% and 33%, respectively, of the total biofuel production cost with enzyme cost alone representing about 47% of the operating cost. Therefore, reducing both capital cost and enzyme cost is imperative. Over the past eight years, with the support from US Department of Energy Great Lakes Bioenergy Research Center (GLBRC), we greatly improved our AFEX™ (Trade mark of MBI, International (Lansing, Michigan)) (Ammonia Fiber Expansion)-related processing technologies, leading to a 66% reduction in enzyme loading (current enzyme loading is as low as 7.5 mg protein per g glucan) and a 129% enhancement in ethanol volumetric productivity (>56% reduction in capital cost for enzymatic hydrolysis and fermentation).

LanguageEnglish (US)
Pages957-966
Number of pages10
JournalGreen Chemistry
Volume18
Issue number4
DOIs
StatePublished - 2016

Profile

Biofuels
Ammonia
biofuel
ammonia
cost
Enzymes
Costs
enzyme
Operating costs
Sustainable development
sustainability
Energy security
Trademarks
Enzymatic hydrolysis
Glucans
bioenergy
production cost
Fermentation
Feedstocks
Refining

ASJC Scopus subject areas

  • Environmental Chemistry
  • Pollution

Cite this

Toward lower cost cellulosic biofuel production using ammonia based pretreatment technologies. / Jin, Mingjie; Da Costa Sousa, Leonardo; Schwartz, Christopher; He, Yuxin; Sarks, Cory; Gunawan, Christa; Balan, Venkatesh; Dale, Bruce E.

In: Green Chemistry, Vol. 18, No. 4, 2016, p. 957-966.

Research output: Contribution to journalArticle

Jin M, Da Costa Sousa L, Schwartz C, He Y, Sarks C, Gunawan C et al. Toward lower cost cellulosic biofuel production using ammonia based pretreatment technologies. Green Chemistry. 2016;18(4):957-966. Available from, DOI: 10.1039/c5gc02433a
Jin, Mingjie ; Da Costa Sousa, Leonardo ; Schwartz, Christopher ; He, Yuxin ; Sarks, Cory ; Gunawan, Christa ; Balan, Venkatesh ; Dale, Bruce E./ Toward lower cost cellulosic biofuel production using ammonia based pretreatment technologies. In: Green Chemistry. 2016 ; Vol. 18, No. 4. pp. 957-966
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