SBE Special Section: Lignocellulosic Biofuels - Producing Biofuels via the Carboxylate Platform


The carboxylate platform ferments a wide variety of biomass feedstocks into mixed carboxylic acids and their salts, which in turn can be transformed into hydrocarbon fuels.


Author Bios: 

Mark Holtzapple

In 1978, Mark Holtzapple received his BS in chemical engineering from Cornell University. In 1981, he received his PhD in chemical engineering from the University of Pennsylvania. After obtaining his degrees, he served as a captain in the U.S. Army and worked to develop a portable air conditioning system that soldiers could wear to prevent heat stress while wearing chemical protective clothing. In 1986, he became a professor of chemical engineering at Texas A&M University. His research interests include fuels and chemicals from biomass, feed and food processing, water desalination,...Read more

Sagar Lonkar

Sagar Lonkar is a PhD candidate in the Department of Chemical Engineering at the Texas A&M University, College Station (Email: He obtained his B.E. in chemical engineering from Institute of Chemical Technology (formerly UDCT), Mumbai, India in 2011. Sagar is pursuing research on carboxylate platform of biofuels under the guidance of Dr. Mark Holtzapple. His research interests include maximizing medium-chain fatty acids production in mixed-culture fermentation and their selective extraction. ...Read more

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