Dr. Pratima Bajpai is currently working as a Consultant in the field of Paper and Pulp. She has a vast 36 years of experience in this field. She has worked at National Sugar Institute Kanpur (India), University of Saskatchewan (Canada), University of Western Ontario (Canada), and Thapar Center for Industrial Research and Development (India). Dr. Bajpai’s main areas of expertise are industrial biotechnology, pulp and paper, and environmental biotechnology. She has contributed immensely to the field of industrial biotechnology and is a recognized expert in the field. Dr. Bajpai has written several advanced level technical books on environmental and biotechnological aspects of pulp and paper which have been published by leading publishers in the USA and Europe. She has also contributed chapters to a number of books and encyclopedia, obtained 11 patents, written several technical reports, and has implemented several processes in Indian Paper mills. Dr. Bajpai is an active member of the American Society of Microbiologists and is a reviewer of many international research journals. She has also handled several Sponsored Research Projects from industry and government agencies. She is an active member of the New York Academy of Science, American Society for Microbiology, and many more.

• 1. Introduction 2. Forest biorefinery options 2.1. Hemicellulose extraction prior to pulping 2.1.1 Production of ethanol from preextracted hemicelluloses 2.1.2 Production of chemicals, materials and polymers 2.2 Black liquor gasification 2.2.1 Gasification Processes MTCI Gasification Chemrec Gasification 2.3. Removal of lignin from black liquor 2.4 Other products (Tall oil, Methanol etc.) 3. Environmental Impacts of Forest Biorefineries

Dr. Pratima Bajpai is currently working as a Consultant in the field of Paper and Pulp. She has a vast 36 years of experience in this field. She has worked at National Sugar Institute Kanpur (India), University of Saskatchewan (Canada), University of Western Ontario (Canada), and Thapar Center for Industrial Research and Development (India). Dr. Bajpai’s main areas of expertise are industrial biotechnology, pulp and paper, and environmental biotechnology. She has contributed immensely to the field of industrial biotechnology and is a recognized expert in the field. Dr. Bajpai has written several advanced level technical books on environmental and biotechnological aspects of pulp and paper which have been published by leading publishers in the USA and Europe. She has also contributed chapters to a number of books and encyclopedia, obtained 11 patents, written several technical reports, and has implemented several processes in Indian Paper mills. Dr. Bajpai is an active member of the American Society of Microbiologists and is a reviewer of many international research journals. She has also handled several Sponsored Research Projects from industry and government agencies. She is an active member of the New York Academy of Science, American Society for Microbiology, and many more.

• 1. Introduction 2. Forest biorefinery options 2.1. Hemicellulose extraction prior to pulping 2.1.1 Production of ethanol from preextracted hemicelluloses 2.1.2 Production of chemicals, materials and polymers 2.2 Black liquor gasification 2.2.1 Gasification Processes MTCI Gasification Chemrec Gasification 2.3. Removal of lignin from black liquor 2.4 Other products (Tall oil, Methanol etc.) 3. Environmental Impacts of Forest Biorefineries

Dr. Pratima Bajpai is currently working as a Consultant in the field of Paper and Pulp. She has a vast 36 years of experience in this field. She has worked at National Sugar Institute Kanpur (India), University of Saskatchewan (Canada), University of Western Ontario (Canada), and Thapar Center for Industrial Research and Development (India). Dr. Bajpai’s main areas of expertise are industrial biotechnology, pulp and paper, and environmental biotechnology. She has contributed immensely to the field of industrial biotechnology and is a recognized expert in the field. Dr. Bajpai has written several advanced level technical books on environmental and biotechnological aspects of pulp and paper which have been published by leading publishers in the USA and Europe. She has also contributed chapters to a number of books and encyclopedia, obtained 11 patents, written several technical reports, and has implemented several processes in Indian Paper mills. Dr. Bajpai is an active member of the American Society of Microbiologists and is a reviewer of many international research journals. She has also handled several Sponsored Research Projects from industry and government agencies. She is an active member of the New York Academy of Science, American Society for Microbiology, and many more.

• 1. Introduction 2. Forest biorefinery options 2.1. Hemicellulose extraction prior to pulping 2.1.1 Production of ethanol from preextracted hemicelluloses 2.1.2 Production of chemicals, materials and polymers 2.2 Black liquor gasification 2.2.1 Gasification Processes MTCI Gasification Chemrec Gasification 2.3. Removal of lignin from black liquor 2.4 Other products (Tall oil, Methanol etc.) 3. Environmental Impacts of Forest Biorefineries