Jhuma Sadhukhan's Biorefineries and Chemical Processes: Design, Integration PDF

By Jhuma Sadhukhan

ISBN-10: 1119990866

ISBN-13: 9781119990864

Because the variety of feedstocks, procedure applied sciences and items extend, biorefineries becomes more and more complicated production platforms. Biorefineries and Chemical procedures: layout, Integration and Sustainability research offers technique modelling and integration, and full procedure lifestyles cycle research instruments for the synthesis, layout, operation and sustainable improvement of biorefinery and chemical tactics. issues lined comprise: advent: An creation to the concept that and improvement of biorefineries. instruments: incorporated listed below are the equipment for exact financial and environmental impression analyses; mixed monetary price and environmental effect research; lifestyles cycle evaluation (LCA); multi-criteria research; warmth integration and software approach layout; mathematical programming dependent optimization and genetic algorithms. strategy synthesis and layout: makes a speciality of glossy unit operations and leading edge method flowsheets. It discusses thermochemical and biochemical processing of biomass, construction of chemical compounds and polymers from biomass, and methods for carbon dioxide catch. Biorefinery platforms: offers biorefinery procedure synthesis utilizing entire approach research. It discusses bio-oil and algae biorefineries, built-in gas cells and renewables, and heterogeneous catalytic reactors. spouse web site: 4 case reports, extra workouts and examples can be found on-line, including 3 supplementary chapters which deal with waste and emission minimization, power garage and keep an eye on structures, and the optimization and reuse of water. This textbook is designed to bridge a spot among engineering layout and sustainability evaluate, for complicated scholars and working towards method designers and engineers.

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Extra resources for Biorefineries and Chemical Processes: Design, Integration and Sustainability Analysis

Sample text

A superstructure poses a great engineering and mathematical challenge to solve for optimal network configurations. 3 shows a network including some possible configurations mentioned and their combinations for biorefineries2 . It can be seen from this network that feedstocks can be converted to almost any platform in one or several steps. In addition, one particular product can be produced from different combinations of feedstocks and using different processing pathways. This facility can be integrated with utility systems to create a biorefinery design.

Sugar crops, for example, sugarcane and sugar beet, convert CO2 and solar energy into the readily fermentable sugars: glucose and fructose (C6 H12 O6 , known as C6 sugars) mainly forming the disaccharide sucrose (C12 H22 O11 ). Sugarcane in Brazil and sugar beet in the EU are used for bioethanol production. Starch. Cereals, for example, corn, wheat, sorghum; roots and tubers, for example, cassava and sweet potato; store energy in the form of minute granules of starch ((C6 H10 O5 )n ). Starch is a polymer of glucose and consists of amylose and amylopectin as the main structural components, which can be easily broken down to fermentable C6 sugars by enzymatic hydrolysis.

As a response, alternative feedstocks are being explored, including lignocellulosic residues, Jatropha curcas, algae, etc. Lignocellulosic feedstocks are seen as promising options if the technological barriers for the breaking of their complex structure into functional products are overcome. Crop residues have the advantage to be cheap and do not need added land for production. However, lignocellulose processing pathways are yet to be fully developed to reduce the environmental footprint, by learning from the successes and failures with the first generation crops and fossil resources.

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Biorefineries and Chemical Processes: Design, Integration and Sustainability Analysis by Jhuma Sadhukhan


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