iRASD Journal of Energy & Environment

The Implementation of Solar-Wind Cascading Power Station in Bangladesh

2023-01-27T06:33:51-05:00

Energy insufficiency is disturbing the improvement of Bangladesh. Since the sun light is not available always and the breeze does not blow constantly, solar and wind power alone are weaker power sources. Coupling solar as well as wind power sources along with storage batteries making up the full duration of time in the absence of wind or sun light supplies a pragmatic shape of power generation. In Bangladesh, breeze is not available most of the places. Only in the coastal areas, wind is sufficient to produce electricity. However, sunlight is available all over the year here. Although solar and wind alone power station has installed here but solar-wind cascading power station has not been installed yet.

Microbial Growth Rate Kinetics in Biogas Production by Anaerobic Digestion of Chicken Manure

2023-03-13T05:19:54-04:00

Kinetic study of microorganism’s growth in chicken manure (CM) when producing biogas is often studied for scale-up purposes. CM are considered as waste, and can cause serious environmental consequences when not properly disposed. The objective of the study is to know the characteristics of the bioreactor condition or environment responsible for CM degradation and biogas production. Methods involves serial dilution, pour plating, cell count and the determination of Monod parameters. POLYMATH regression results shows that CM of particle density 0.0163 g/cm3 gives a maximum specific growth rate, ?_max of 0.007316 hr^(-1) and half saturation constant, K_s of 3.8×?10?^8mg/l which points to substrate sufficiency for the survival of microorganisms and biogas production.

Environmental Impacts of Real Estate Project at Pallabi Eastern Housing Area in Dhaka City, Bangladesh

2023-01-12T09:30:42-05:00

Dhaka is the capital city of Bangladesh. Many people are migrating day by day. For their survival, the housing sector is being flourished day by day. The demand impacts the supplies. A number of people are doing housing business to support the situation, but on the contrary, they are grabbing a lot of green fields or water bodies from private properties and evacuating the owners. One of the ill examples is the Eastern Housing Pallabi 2nd Phase Project. The study aims to find the socio-economic status of the land owners and local inhabitants evicted from their land for the project. Concurring to the essential perception and data collected from diverse sources, roughly 350 families are migrated. Of The 45 relocated people placed under survey from the questionnaire survey by snowball sampling, it was found that most people were discovered to have been physically relocated from their original location. The income level, housing situation, and utility infrastructure are poorer than before the resettlement. They are too unaware of taking action against the developer for the deprivation in the land price. The research revealed various facets that shed light on how land developers abused the local population. Land developers, local oligarchs, local politicians, and locals were the four characters who actively participated in this relocation process and played various roles. A few scopes are identified to rehabilitate the victims to recover from their present situation. Government should adequately care about the reallocated people to compensate at the present rate considering the long period of suffering. There is scope for more intensive study on the topic.

Urban Population Growth, Per Capita Energy Use, and CO2 Emissions: Evidence from the World's fifth-most Populous Country

2023-03-05T10:32:40-05:00

Pakistan is the world’s 5th most populated country. This growing population is causing numerous social and environmental problems. By the increase in population, energy demand is increasing day by day. Pakistan, where majority of the population is living in rural areas is using uncleaned cooking fuel due to which CO2 emission is increasing that is further a cause of environmental degradation. Based on the data (for the period from 1980 to 2019) of World Development Indicators, this study intends to examine the association between urban population, and energy use with CO2 emission. Unit root test was applied to check stationarity of data and after checking the stationarity status of variables, ARDL (Auto regressive distributive lag model) techniques was applied on data. The outcomes of the study showed that trade openness, urbanization, and energy consumption have significant and positive effects on environmental degradation. This study suggest that government must plan population and take steps towards the use of clean cooking fuels to control environmental degradation.

The Role of Renewable Energy on the Environmental Degradation: Evidence from ASEAN Countries

2023-03-14T03:15:04-04:00

Environmental degradation (ED) is now a global problem because of expanded economic activities. This issue demands the academics’ and policymakers' intentions. Hence, the paper conducts an investigation the impact of renewable energy (RE) output, consumption, and energy import (EI) on the carbon dioxide (CO2) emissions in ASEAN region. The secondary data was collected using World Development Indicators (WDI) for 2008-2021. The research also investigates the association between the variables using the Methods of Moments-Quantile-Regression (MMQR) approach. The outcomes indicated the RE output, consumption, EI, EG, and population growth on the CO2 emissions in ASEAN economies. The paper gives directions to the policymakers while forming policies related to reduce CO2 emissions using RE production.