Next Article in Journal
Hydrogen as Future Energy Carrier: The ENEA Point of View on Technology and Application Prospects
Previous Article in Journal
Potential Bioethanol Feedstock Availability Around Nine Locations in the Republic of Ireland
Article Menu

Export Article

Open AccessArticle
Energies 2009, 2(1), 134-149;

Energy Utilization and Environmental Aspects of Rice Processing Industries in Bangladesh

Farm Machinery and Postharvest Technology Division, Bangladesh Rice Research Institute, Gazipur-1701, Bangladesh.
Department of Mechanical and Chemical Engineering, Islamic University of Technology, Organization of the Islamic Conference (OIC), Board Bazar, Gazipur-1704, Bangladesh
Author to whom correspondence should be addressed.
Received: 23 January 2009 / Revised: 6 March 2009 / Accepted: 10 March 2009 / Published: 12 March 2009
Full-Text   |   PDF [326 KB, uploaded 17 March 2015]   |  


In this study, the energy utilization and environmental aspects of the rice processing industries in Bangladesh was analyzed. Rice husk, a milling by-product of rice, is used as a source of thermal energy to produce steam for parboiling of raw rice. The rice is mostly dried on a concrete floor under the sunshine. In mechanical drying, rice husks are used as a source of primary energy. In Bangladesh, the annual estimated energy used in 2000 for the drying of rice by sunshine was 10.7 million GJ and for drying and parboiling by rice husks it was 48.2 million GJ. These amounts will increase to 20.5 and 92.5 million GJ in 2030, respectively. Electrical energy consumption for mechanical drying and milling of rice was calculated as 1.83 million GJe and 3.51 million GJe in 2000 and in 2030, respectively. Biogenic carbon dioxide emission from burning of rice husk is renewed every year by the rice plant. Both the biogenic and non-biogenic carbon dioxide emissions in 2000 were calculated as 5.7 and 0.4 million tonnes, respectively, which will increase to 10.9 and 0.7 million tonnes in 2030. The demand of energy for rice processing increases every year, therefore, energy conservation in rice processing industries would be a viable option to reduce the intensity of energy by increasing the efficiency of rice processing systems which leads to a reduction in emissions and an increased supply of rice husk energy to other sectors as well. View Full-Text
Keywords: Rice parboiling; Drying; Rice milling; Energy; Emissions Rice parboiling; Drying; Rice milling; Energy; Emissions

Graphical abstract

This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

Share & Cite This Article

MDPI and ACS Style

Ahiduzzaman, M.; Sadrul Islam, A.K.M. Energy Utilization and Environmental Aspects of Rice Processing Industries in Bangladesh. Energies 2009, 2, 134-149.

Show more citation formats Show less citations formats

Related Articles

Article Metrics

Article Access Statistics



[Return to top]
Energies EISSN 1996-1073 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top