Materials, Chemicals, and Energy from Forest Biomass

Without a doubt, our society's concerns over increasing fuel prices, green house gas emissions, and the associated global warming have created a treme...
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Preface Without a doubt, our society's concerns over increasing fuel prices, green house gas emissions, and the associated global warming have created a tremendous interest i n the science and technologies that promise the sustainable production o f materials, chemicals, and energy from domestic resources. In this respect, lignocellulosic biomass has the unique ability to supply a l l o f the above because carbohydrates and lignin are among the most abundant organic compounds on the planet, representing a vast amount o f biomass (in the range o f hundreds o f billions o f tons). It is interesting to note that only 3% o f this vast resource is actually used by humans. Despite the fact that a significant amount o f research has been carried out aimed at augmenting the industrial use o f readily available carbohydrates as organic raw materials, the systematic exploitation o f this vast resource is still i n its infancy. The fundamentally different chemistries o f hydrocarbons and o f carbohy­ drates and lignins are perhaps pivotally important i n imposing serious difficulties for their use as organic raw materials. Our fossil carbonbased economy relies on distinctly hydrophobic hydrocarbon molecules that are devoid o f oxygen and functional groups. In contrast to hydro­ carbons, carbohydrates are highly functionalized and hydrophilic molecules. Because environmental pressures are mounting and our dependence on fossil fuel continues to grow, any prevailing economic, advantages for a petrochemical-based economy w i l l likely fade away within the next 50 years. O u r chemical and energy industry therefore needs to redevelop i n a major w a y i f it is to use lignocellulosic biomass as its feedstock. These considerations unambiguously dictate the need for practically oriented scientific research and development covering a wide range o f applications for the production o f Materials, Chemicals, and Energy from Forest Biomass, The literature is abundant with research accounts aimed at offering an understanding to these complex chemical processes. T o date no concerted effort has been made about bringing this knowledge

xi Argyropoulos; Materials, Chemicals, and Energy from Forest Biomass ACS Symposium Series; American Chemical Society: Washington, DC, 2007.

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together with the a i m to connect the past with the future. Consequently, during the Pacifichem meeting o f 2005 a Symposium was held i n H a w a i i , focused at bringing together the global expertise from academia, government, and industry w i t h the aim to disseminate their latest findings and to exchange their ideas for the future i n the realm o f Materials, Chemicals, and Energy from Forest Biomass. The present book attempts to offer the reader a thorough view o f the information presented at this meeting and beyond. Despite the fact that the material emerged from a symposium, it is not a collection o f fragmented research findings in the form o f conference proceedings. M o s t chapter contribu­ tors attempted to provide a good review o f the literature, creating a sound foundation for the science to be subsequently developed. Furthermore, a collection o f authoritative reviews is also provided at the onset o f the book prior to embarking on specific topics. In an effort to convey the material i n a coherent fashion the 33 chapters o f this book were divided into the following distinct sections that deal with: •

Critical Reviews



Materials from Forest Biomass



Chemicals from Forest Biomass



Energy from Forest Biomass



N o v e l A n a l y t i c a l Methods for the Structural Elucidation o f For­ est Biomass

The editor anticipates that this volume w i l l provide a resource for new ideas, guidance, and a good embarkation point for any future endeavors i n Materials, Chemicals, and Energy from Forest Biomass.

Acknowledgments This compilation is a product o f a concerted effort o f numerous individuals to w h o m the editor expresses his appreciation. Primarily, thanks are due to the many scientists who have contributed their time and effort i n documenting their research findings. Without their enthusiastic response and support this volume w o u l d not have been possible. N o book o f this nature w o u l d have been possible i f it were not for the support o f nearly 100 members o f the international scientific community w h o acted as critical reviewers to the submitted chapters. Their invaluable critical

xii Argyropoulos; Materials, Chemicals, and Energy from Forest Biomass ACS Symposium Series; American Chemical Society: Washington, DC, 2007.

and constructive comments ensured that each chapter was o f the highest scientific standard, reflecting the state o f the art, and was presented i n the best possible way. Last but not least, the numerous editorial and administrative contributions o f M s . E l i z a Root are gratefully acknowledged.

Dimitris S. Argyropoulos

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Department o f Forest Biomaterials Science and Engineering North Carolina State University Raleigh, NC 27695-8005

xiii Argyropoulos; Materials, Chemicals, and Energy from Forest Biomass ACS Symposium Series; American Chemical Society: Washington, DC, 2007.

Downloaded by 5.189.204.46 on July 2, 2016 | http://pubs.acs.org Publication Date: April 16, 2007 | doi: 10.1021/bk-2007-0954.pr001

Argyropoulos; Materials, Chemicals, and Energy from Forest Biomass ACS Symposium Series; American Chemical Society: Washington, DC, 2007.

Downloaded by 5.189.204.46 on July 2, 2016 | http://pubs.acs.org Publication Date: April 16, 2007 | doi: 10.1021/bk-2007-0954.pr001

Materials, Chemicals, and Energy from Forest Biomass

Argyropoulos; Materials, Chemicals, and Energy from Forest Biomass ACS Symposium Series; American Chemical Society: Washington, DC, 2007.