Abstract
Abstract There is a pressing need for renewable and optimal use of resources towards sustainable primary production and processing systems worldwide. Current technologies for food and feedstock production are held accountable for several environmental problems, such as for instance soil and water contamination due to the use of hazardous substances, generation of toxic products and even excess of biomass that is considered waste. To minimize or solve these questions in order to produce an adequate quantity of reliable and healthy food, fibers and other products and energy, new paradigms focusing on sustainable agriculture, bio-based industries or biorefineries have emerged over the last decades. Biorefineries integrate sustainable and environmentally friendly concepts of Green Chemistry with intelligent and integrated farming processes, optimizing the agricultural production. Thermochemical and biochemical processes are excellent alternatives for the production of new classes of renewable biofuels and feedstock, showing relatively small impact on greenhouse gas emissions and important pathways to obtain platform chemicals. This review discusses the current and incipient technological developments for using biomass to generate bio-based chemicals over the last decade, focusing on Green Chemistry concepts towards sustainable agriculture and processing models in Brazil.
Highlights
There is a pressing need for renewable and optimal use of resources towards sustainable primary production and processing systems worldwide
Primary production, and processing systems in Brazil In the face of an ever-increasing economy with competitive market policies, the demand for food, feed, fuel, and products can lead to serious problems in chemical processes due to excessive amounts of hazardous chemicals and the residues generated
Similar early twenty first-century initiatives focusing on biodiesel production such as the PROBIODIESEL and PNPB (Brazilian Biodiesel Production Program) have placed Brazil on one of the main biodiesel production spots, with estimates that show the country is responsible for more than 11% of global biodiesel production, the second biggest producer after the USA [17]
Summary
There is a pressing need for renewable and optimal use of resources towards sustainable primary production and processing systems worldwide. The authors stressed that the country has very favorable conditions to develop new trends in biomass conversion technologies for biofuels and bio-based products.
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