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Renewable fine chemicals from rice and citric subproducts: Ecomaterials

Paper ID Volume ID Publish Year Pages File Format Full-Text
46926 46453 2011 6 PDF Available
Title
Renewable fine chemicals from rice and citric subproducts: Ecomaterials
Abstract

A vast amount of work has been carried out regarding the preparation of fine chemicals, with oxidation being one of the main paths followed. Based on those literature data, renewable value added chemicals were prepared in this work using solid and liquid agro-industrial wastes from rice and citrus production, as renewable raw materials, avoiding the use of substances toxic to the environment and achieving a reduction in energy expenditure. The whole process is consistent with a sustainable development.A combination of catalysts based on rice husk derived silica (RHS), iron oxide as source of active basic sites that act as antennae for dielectric heating, allows an environmentally sound transformation of limonene, a byproduct of the citrus industry, into value-added chemicals, which are also renewable, given their origin. Thus, the present investigation has demonstrated how the transformation of a low value subproduct into high value materials can be achieved with similar conversions and selectivities to those found in the literature for catalysts that have higher toxicities and are less environmentally friendly. Through the use of dielectric heating the process is rapid and thus avoids the formation of unwanted secondary byproducts and furthermore the energy requirements are greatly reduced.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Limonene (or orange peel oil) to oxygenates. ► Rice derived silica and FeOx. ► Sustainable technology.

Keywords
Renewable raw materials; Fine chemicals intermediates; Waste; Sustainable development; Rice husk silica; Ecomaterials; Citrus juice waste; Limonene; Carvone; Carveol; Limonene oxide; Carvacrol
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Renewable fine chemicals from rice and citric subproducts: Ecomaterials
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 106, Issues 3–4, 11 August 2011, Pages 488–493
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us