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Electrical Power Profile Prediction by Using Rice Statistics in Bangladesh

M. Amzad Hossain
Lecturer, Dept. of EEE, Jessore University of Science and Technology, Jessore, Banladesh

S. Yasmin
Assistant Professor, Dept. of CSE, University of Information Technology Sciences, Rajshahi, Bangladesh.

Nadia Afrin
Lecturer, Dept. of EEE, Pabna University of Science and Technology, Pabna, Banladesh

Abstract/ Executive Summary:

In a developing country like Bangladesh, the demand for electrical power is very higher than the available production. Bangladesh is an agriculture-based country and the production of rice is increasing in a tremendous amount in the last decade. Rice husk-based power plants are already installed in India, Indonesia and South Korea. However, there are some locations in which rice husk-based power station projects could be feasible in Bangladesh. By analyzing the previously collected data on the selected location, this work has been carried out to predict if these resources are sufficient for rice husk power, in the hope to extract electrical power. By analyzing this data, this work has been carried out to predict if these energy resources are sufficient for power extraction.

Keywords: Renewable energy, Rice Husk, Rice Clusters, Parboiling, Plants, Bangladesh, Bangladesh.

Location: Bangladesh

Start Date:

End Date:

Program Area: Resource Development and Management

Commodity: Rice

Objectives:

By analyzing the previously collected data on the selected location, this work has been carried out to predict if these resources are sufficient for rice husk power, in the hope to extract electrical power.

Methodology:

There are main two sectors of rice process such as household-level process and processed in rice mills. Husk obtained from the household-level process cannot be collected due to its widespread localization. Therefore, husk from the household-level process is not considered as a supply source of husk for electricity generation. Paddy processed in rice mill is considered the source of husk supply. There are several rice processing zones in the country. Major rice processing zones or ‘cluster’ areas are distinguished as - (i) Dinajpur (North Bengal) (ii) Sherpur (near Bogra) (iii) Ishawardi (Pabna) (iv) Naogaon and (v) Kaliakoir (near Dhaka), where most of the rice mills are located in close proximity to each other. To conduct the investigation three rice processing zones were selected to estimate potential husk available for electricity generation. The selected rice clusters are located at Naogaon, Bogra, and Ishawrdi. A survey questionnaire was used to collect the information on the monthly quantity of paddy processed, the amount of husk produced, the amount of husk consumed for rice processing purposes and the surplus amount of rice husk. Another study is conducted to estimate the total electricity generation from rice husk in Bangladesh. LEAP (Long-range Energy Alternative Planning System) tool is used to make three different scenarios for the consumption of energy. Bangladesh has reportedly over one hundred thousand Rice Mills - large, medium and small. They process paddy, using mostly the parboiling practice. The rice mills use the thermal energy of steam generated in boilers, which are fired by rice husk - a by-product of paddy processing in the rice mills and which is globally well-known as a very convenient source of dry biomass energy of reasonable heat value. With a few exceptions, presently most of the ‘boilers’, used in these rice mills of Bangladesh are very inefficient. This results in a huge wastage of rice husk, which is an important source of biomass. Preliminary estimates are indicative that at least 50% of the rice husk produced could be saved and made surplus for its better use as input for small power generation. Figure 4 shows the improved rice parboiling boiler which consumes less rice husk to boil each tonne of paddy. Rice husk consumption can be reduced by using an improved parboiling boiler. Figure 5 shows the simple schematic of the Rice Husk Collection for power generation. At present all boilers used are traditional types. In scenario-1, it is assumed that 95% of the traditional boiler is to be replaced by the improved boiler to reduce the husk consumption for the parboiled process. In scenario-2, coverage of the parboiled process is reduced to 50% from 90% (reference scenario). The husk consumption is reduced to 4.55 million tonnes (Scenario-1) and 3.20 million tonnes (Scenario-2) from 6.48 million tonnes (reference).

Source of Information: International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering Vol. 3, Issue 3, March 2014 ISSN (Print) : 2320 – 3765 ISSN (Online): 2278 – 8875

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The study results conclude that there is a potential to produce electricity from rice husk based on the available surplus husk after their own consumption in selected rice processing zones in Bangladesh. The power generated from rice husk is sufficient to meet the power needed for rice processing purposes. The selected rice clusters, Naogaon has better potential than Ishawrdi. Before launching a husk-based power generation technology, it is important to know the production and distribution of available rice husk resources at different locations. Another important issue is the sustainable supply of rice husk in the future for husk-based power generation plants. Technological improvement is going on; however, there are some constraints for the dissemination of the new technologies. The policymakers, technologists, extension personnel of government and non-government organizations need to give an urgent thrust for enhancing the dissemination of new renewable energy technologies among the stakeholders. More detailed studies can be done by collecting data from other rice clusters zone such as Dinajpur, Sherpur, Gazipur. Generated rice husk ash (RHA) can be analyzed or tested for a wide variety of applications like green concrete, high-performance concrete, refractory, ceramic glaze, insulator, roofing shingles, and biofertilizers industries.

Knowledge Management: Journal