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Biomass power generation
Sugar cane bagasse and trash

Edited by: Suleiman José Hassuani Manoel Regis Lima Verde Leal Isaías de Carvalho Macedo

Published by: PNUD - Programa das Nações Unidas para o Desenvolvimento CTC - Centro de Tecnologia Canavieira

1st edition Piracicaba, Brazil 2005


PNUD - Programa das Nações Unidas para o Desenvolvimento SCN Quadra 2Bloco A Edifício Corporate Center - 7o andar Brasília - DF CEP 70712 - 900 Brazil Phone +55 61 3038 9300 Fax +55 61 3038 9009 CTC - Centro de Tecnologia Canavieira Fazenda Santo Antônio S/N Bairro Santo Antônio Piracicaba - SP CEP 13400-970 Cp. 162 Brazil Phone +55 19 3429-8199 Fax +55 19 3429-8106

H355b Hassuani, Suleiman José Biomass power generation: sugar cane bagasse andtrash / Suleiman José Hassuani, Manoel Regis Lima Verde Leal, Isaías de Carvalho Macedo - Piracicaba: PNUD-CTC , 2005. p. il. 27cm. (Série Caminhos para Sustentabilidade) ISBN 85-99371-01-0 1. Biomass 2. Sugar cane - Bagasse 3. Sugar cane - Trash 4. Gaseification I. Leal, Manoel Regis Lima Verde II. Macedo, Isaías de Carvalho III. Title. DDC 664.122 UDC 664.11

Technical revisor: Antonio CarlosFernandes Front cover design: Zoltar Design Typesetting and Layout: Mesly De Nadai Fernandes


This document summarizes the findings of Project BRA/96/G31 – Biomass Power Generation – Sugarcane Bagasse and Trash, conducted during the period of 1997 to 2005, with the purpose of evaluating and developing the technology for using sugar cane residues, bagasse and trash as fuel for theadvanced cogeneration system of biomass integrated gasification gas turbine (BIG-GT), integrated with sugar/ethanol mills. The Project funded by the Global Environment Facility – GEF ( and Copersucar further received the partnership of the Swedish National Energy Administration and the European Commission. The project, developed under the focal area of Climate Change, was implemented bythe United Nations Development Programme – UNDP having the Ministry of Science and Technology of Brazil – MCT ( as coordinator. Project development was undertaken by CTC, the Copersucar Technology Center, which belonged to a cooperative of 32 sugarcane mills and, in 2004, evolved into CTC – Centro de Tecnologia Canavieira (, a research center with more than a hundredassociates (including sugar cane mills and sugar cane growers associations). Gasification development, on its turn, was carried out by TPS – Termiska Processer AB (www.tps. se). The project’s relevance was recognized by several institutions, sugar cane mills and equipment manufacturers, a number of which assisted in various phases of the development (see acknowledgements in the following page).During project execution 98 reports were issued by CTC and 11 issued by TPS, describing all the activities performed and results attained. The process of information dissemination was one of the most successful activities of the project, with several results already being applied by the sugar cane sector. Project development indicated four main issues, namely: (i) trash recovery, processing and use,(ii) gasification of bagasse and trash, (iii) integration of the gasification and gas turbine to sugar cane mill and (iv) environmental impacts assessment and mitigation measures. Challenges, either technical or economic, are described and dealt with and trends and alternatives for implementation of the technology are indicated. Professor Francelino Grando Secretary of Technological Development andInnovation Ministry of Science and Technology


Copersucar and TPS would like to thank the following institutions that made possible the successful completion of Project BRA/96/G31. Global Environment Facility United Nations Development Programme Brazilian Ministry of Science and Technology European Commission Swedish National Energy Administration Açucareira Quatá...
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