Md Bashirul Islam

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• M.Sc. in Civil Engineering
• Lecturer at Chittagong University of Engineering & Technology

A clear and lucid understanding of patterns and trends in sunshine duration is crucial for its application in energy research and climate prediction. This study employed the Mann–Kendall (MK) test and Innovative Trend Analysis (ITA) to assess trends in monthly, seasonal, and annual sunshine duration data from 1985 to 2022 across 25 stations in Bang...

Industrial pollution is a significant challenge for developing countries, particularly in Bangladesh, where the textile industry severely impacts water quality by discharging effluents containing toxic chemicals. This study aims to evaluate the pollutant load of effluents released by six textile industries in Chattogram City. Effluent samples were...

The production of cement is a major contributor to greenhouse gas emissions. Global emissions from the manufacture of cement stood at 1.7 billion metric tons of carbon dioxide (CO2). Geopolymer concrete (GPC) is a sustainable alternative to traditional cement-based concrete that can reduce the carbon footprint of construction. This research investi...

Climate change presents a significant challenge to global ecosystems and human well-being, primarily through alterations in temperature and precipitation patterns. Bangladesh is a low-lying deltaic country that experiences climate change impacts every year. So, understanding the interdependence between these crucial climatic parameters is essential...

Every year, Bhola, the largest island in Bangladesh, confronts severe natural disasters, primarily flooding, which significantly impacts human life, economic sectors, and the environment. Given the increasing frequency and intensity of these floods, assessing flood susceptibility has become crucial for mitigating losses related to land, crops, infr...

Temperature is a key weather factor, particularly relevant for Bangladesh, which is highly vulnerable to climate change impacts, including the increased frequency and intensity of extreme weather events. In recent years, the country has experienced a significant rise in average temperatures, leading to more frequent heatwaves. This study aims to id...

Solar radiation is a crucial indicator of solar energy potential, agricultural productivity, hydrological cycles, and precipitation patterns. This study employed three traditional approaches (Linear Regression Analysis (LRA), Mann-Kendall (MK)/Modified Mann-Kendall (MMK) tests, and Spearman Rank Correlation (SRC)) alongside Innovative Trend Analysi...

Temperature is a critical weather factor for Bangladesh, a nation highly vulnerable to climate change impacts, including extreme weather events. This study analyzed 73 years (1950–2022) of maximum temperature data from Jessore and Satkhira to identify the best-fitting probability distribution model. Nine models were tested, with parameters estimate...

Introduction: The classroom environment is crucial for fostering effective learning and safeguarding teacher-student health. This study assessed the Indoor Air Quality (IAQ) and noise levels in classrooms across three institutions: a university, a secondary and higher secondary school (called a school and college), and a primary school. Materials a...

The frequency of extreme hydrologic events such as floods, storm surges, droughts, heat waves, extreme precipitation, and other similar occurrences has been increasing in Bangladesh due to the impact of climate change. Therefore, the assessment of changes in future climates is essential for climate-induced risk management in the country to safeguar...

Rainfall and temperature are crucial weather parameters in addressing climate change. Understanding the magnitude and severity of extreme events is essential for mitigating the adverse effects of climate change. This study conducted a frequency analysis of monthly maximum rainfall and temperature data for Khulna station spanning 73 years (1950–2022...

Textile wastewater is one of the major contributors to environmental pollution, necessitating treatment before being discharged into nearby surface water bodies. In this study, laboratory-scale biological (anaerobic) co-treatment of textile and domestic wastewater was conducted at a temperature of 37°C for 14 days in a 1L batch reactor. The experim...

Worldwide, in the pursuit of optimizing resource utilization through efficient management strategies, the emphasis on waste minimization, recycling, and energy recovery has gained attention. Understanding the flow of municipal solid waste serves as the foundational step in assessing the effectiveness of implemented management strategies. This study...

This study was conducted in a controlled experimental environment using a two-dimensional wave tank to assess the effectiveness of submerged triangular breakwaters with varying heights and porosities. The experiments involved testing breakwaters at three varying heights (10 cm, 12 cm, and 14 cm) in a wave flume of 5 meters in length, 8 centimeters...

This study utilized the Mann-Kendall (MK) test and Sen’s slope (SS) to investigate the trend in annual and monthly rainfall and maximum (Tmax) and minimum temperature (Tmin) in the northwestern region of Bangladesh, encompassing six meteorological station data spanning the years 1982 to 2022, except for Sayedpur from 1991 to 2022. A serial correlat...

Non-ground granulated blast furnace slag (NGGBFS), a by-product of the iron industry, management and disposal have been identified as critical issues for industries in several nations. Ground granulated blast furnace slag (GGBFS) a modified form of NGGBFS, can effectively replace some of the fine aggregates in mortar. In the first section of this s...

This paper investigates the reliability of artificial neural networks (ANNs) in predicting the shear strength of shear-critical reinforced concrete (RC) beams using multi-layer back-propagation neural network (MBNN) and radial basis function neural network (RBFNN) paradigms. For this purpose, the ANN models are built, trained, and tested using an e...

With the growing demand for water, energy, and food in Bangladesh, understanding their interdependencies becomes crucial. The Water-Energy-Food (WEF) nexus is an emerging concept that aims to comprehend and explore the complex connections between these resources, capturing positive synergies while managing their potential trade-offs. This study fir...

Fires pose significant threats to urban settings, and understanding the specific risks in this densely populated area is essential for developing effective remedial measures. Through a field survey, this study identifies key fire hazard parameters, evaluates their potential risks, and proposes actionable remedial measures to enhance fire safety in...

Bangladesh's electricity sector has been facing significant environmental and economic challenges in recent years due to its heavy reliance on fossil fuels. In order to meet its climate change commitments and ensure long-term energy security, the government of Bangladesh has been working to transition to more sustainable options, such as renewable...

Bioenergy production from biomass through thermochemical conversion is an emerging technological advancement that can offset the use of petroleum products and reduce greenhouse gas (GHGs) emissions. This study investigated the potentiality of peat (partially decayed organic matter) called 2nd generation biomass as a bioenergy resource. The proximat...

Shrimp shell waste generated from shrimp processing industries is one of the leading issues contributing to environmental pollution and health hazards. The common practice for its management is disposal or burning of the waste, which is not environmentally safe due to the shells’ low degradability or burning capability. In this situation, transform...

Solid waste management is a major concern for authorities in developing countries due to population growth and industrialization, which degrade the environment and threaten natural resources, impeding sustainable development. Mismanagement and improper disposal of solid waste contribute to environmental degradation in many metropolitan cities, incl...

The largest delta basin Bangladesh over the world has been experiencing the adverse effects of climate change which is almost similar to other countries. Natural disasters with irregular precipitation and temperature patterns have all severely impacted the human health and water resource sectors across the country (particularly in coastal areas). T...

Microalgae harvesting is an expensive and energy-intensive process. The application of chitosan, a waste-derived natural flocculant, for microalgae harvesting and biocrude quality enhancement might overcome this challenge. This study explored the optimization of microalgae harvesting by shrimp waste-derived chitosan and the production of high-quali...

While wetlands have been extensively investigated for restoration and global warming concerns, less attention has been paid to utilizing them for clean energy generation. Another abundant renewable bio-resource currently polluting our environment is solid wastes, where 600 - 700 million tons/y of waste is exposed in an unmanaged way. To mitigate th...

Energy from waste-derived biomass through the HTL/co-HTL process is a promising concept throughout the world. In this study, domestic wastewater was used as a cultivation media for growing co-culture microalgae, chitosan extracted from shrimp shell waste used as flocculant for harvesting the microalgae, and faecal sludge used as co-substitute for p...

Faecal sludge (FS) and drained peatlands have become the hotspots research area in recent years, causing significant environmental pollution and greenhouse gas (GHGs) emissions. Hence, this study explored the co-hydrothermal liquefaction (co-HTL, 300ºC for 60 min) of peat (P) and FS at different ratios (100:0, 25:75, 50:50, 75:25, and 0:100 % of P:...

Bioenergy production from biomass through thermochemical conversion is an emerging technological advancement that can offset the use of fossil fuels and reduce greenhouse gas (GHGs) emissions. This study investigated novel co-hydrothermal liquefaction (co-HTL) using peat (P) and wastewater-grown microalgae (MA) for enhancing biocrude production as...

Cultivation and harvesting of microalgal biomass are energy-intensive and expensive processes. Hence, this study explored the effect of substituting microalgal biomass with faecal sludge (wet-waste) at different ratios (100:0, 25:75, 50:50, 75:25, and 0:100) for biocrude production through hydrothermal liquefaction. Among the various ratios, the co...

The present study emphasized the enhancement of microalgal productivity and quality (e.g., biochemical composition) using different colored photobioreactors (PBRs) exposed to ambient conditions. In this study, a unique approach had been applied to evaluate the microalgae co-culture (Chlorella vulgaris, Chlorella sorokiniana, and Scenedesmus simris0...

The co-culture system of microalgae and faecal sludge enables the simultaneous removal of nutrients from wastewater and enhancement of microalgal growth when they are mixed with the mutually beneficial condition. In this study, the effects of different microalgae-faecal sludge inoculation ratios on microalgal growth in anaerobically treated wastewa...

The wide application of low cost and highly available lead-acid batteries (LABs) is to supply power for vehicles (i.e., automobiles, electric vehicles, etc.). The development of the solar as well as the telecommunication system has increased the LABs demands. Due to the increase in the application of LABs, the pollution caused by the LABs waste is...

The rapidly increasing demand for energy depletes all fossil fuels available in the earth and searches for new alternative sustainable and renewable sources of energy. Among the different types of renewable sources of energy, microalgae are considered to be one of the potential feedstock for producing biofuels because of their primitive structure,...

This Presentation is the ICCESD 2020 conference presentation about the research work I have done on hydrothermal Liquefaction of microalgae.

The current technologies of algal biofuels production and wastewater treatment (e.g., aerobic) process are still in question, due to the significant amount of fresh water and nutrients requirements for microalgae cultivation, and negative energy balance in both processes, especially when considered in the context of developing counties around the w...

Everyday a lots of wastewater produced due to various water activities like domestic, industrial and agricultural activities which are directly discharged into water bodies without any proper treatment by an effective wastewater treatment/management system forming algal blooms in the waterbodies; and the fossil fuels which are the major source of b...

Every day a lot of wastewater is produced due to various water activities like domestic, industrial, and agricultural activities and is directly discharged into water bodies without any treatment, and so the waterways are covered with algal blooms due to the high amount of nitrogen and phosphorus that existed in wastewater. Hence the scarcity of a...