1. INTRODUCTION
Thermochemical processing of biomass has received
significant recent attention as a platform for
economically producing energy and chemicals from
bio renewable resources 1,2. Biomass is an important
renewable source contributing to the world’s
economy, sustainability and energy security. In
developing countries, the use of biomass is of high
interest as these countries have economy largely
based on agriculture and forestry. The use of biomass
as raw material for bioenergy depends on the state of
the art of the technologies which are safe and
economical to transform biomass into manageable
value-added products 3.
Rice is one of the most abundant crops in Egypt, 2
million feddans with an average production of about
6.12 million tons per year and 9.5 tons per hectare in
2005.It is mainly cultivated in northern east part of
the country especially in Kafr El- Sheikh, Al- Sharkia