Biodiesel Study in the International Context Using Technology Prospecting

Read the full post in the ACS Green Chemistry blog.

Concerns regarding the environment and growing necessity of technology to extract energy resources have been leading to a search for alternative energy resources, among which biofuels are the most studied nowadays. Biodiesel has been in the spotlight in the recent years.

Any vegetable oil extracted from oilseed can be used as a feedstock to biodiesel production (1). Recently, microorganisms have also been a topic of academic studies with the most diverse approaches, from the use of such microorganisms as lipid resources (2,3,4) to their genetic modification to produce biodiesel working as a biocatalyst (5). Some studies even suggest the use of animal fat wastes (AFWs) as feedstock in order to lower feedstock costs while simultaneously eschewing feedstock which might threaten food safety (6).Efforts have also been made to produce biodiesel using waste cooking oil.

Transesterification via basic homogeneous catalysis is the main industrial route for biodiesel production but today, different kinds of heterogeneous catalysts have been studied as a potential alternative to the previous method. Scientists have been searching for raw glycerin applications since raw byproduct generated during transesterification has a low value and its purification is sophisticated and expensive.(7) The aim of this work is to find the most relevant research and innovation concerning biodiesel all over the world and the perspectives about the future. An effective way to summarize these studies is by analyzing what the results indicate about the degree of maturity of the international biodiesel industry and how different regions of the globe are inserted in this scenario.

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