Rice Husk Resource for Energy and Cementitious Products with Low CO2 Contributions

Otto During M.Sc. 1 , Silu Bhochhibhoya Ph.D. 2 , Ramesh Kumar Maskey 3  and Rajendra Joshi 4
  • 1 RISE Built Environment Stockholm, , Sweden
  • 2 Department of Construction Management and Engineering, Univeristy of Twente Enschede, Netherlands
  • 3 Kathmandu University, , Dhulikhel, Nepal
  • 4 Department of Chemical Science and Engineering, Kathmandu University, Dhulikhel, Nepal

Abstract

Rice Husk Ash (RHA) is a well-known supplementary cementitious materials (SCMs) that can be used for concrete with reduced CO2 contributions. In 2016, only Nepal produced 5.2 million tonnes rice that gave about 1.14 million tonnes rice husk. The rice husk can also be used directly in a cement kiln as a fuel. This study analysis the potential CO2 reductions from three scenarios and emphasis strengths, weaknesses, opportunities and treats in the production systems for initiate a decision process with possibilities to get an industry project financed from the green climate found. The highest CO2 benefits were from rice husk used in a cement kiln were half of the yearly rice husk production in Nepal could reduce the climate impact with 808000 tonnes CO2.

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