Debajyoti Bose

• Doctor of Philosophy (Chemical Engineering)
• Professor (Assistant) at Woxsen University

Microbial fuel‐cell performance depends primarily on five factors: the nature of the electrodes, pH, concentration, temperature, and period of operation. The present work describes work on optimization that has resulted in improved system performance of processes for energy recovery from wastewater by addressing these five parameters. This optimiza...

Wastewater from sewage sources contribute significantly to water pollution from domestic waste; one way to recover energy from these sources while at the same time, treating the water is possible using Microbial Fuel Cell. In this work, a two chambered microbial fuel cell was designed and fabricated with carbon cloth electrodes and Nafion-117 membr...

Significant amount of wastewater is generated from Sewage, and treating this wastewater consumes huge amount of energy. Microbial Fuel Cells can be used to treat this wastewater and generate electricity in the process. Traditionally, Platinum catalyst on Carbon Cloth is used as the cathode for oxygen reduction. In this work, an advanced cathode mat...

This chapter presents an overview on microbial fuel cells (MFCs) as a novel electrogenic reactor systems for simultaneous treatment of wastewater and generation of bioelectricity. MFCs work on the principle that organic matter present in wastewater serves as a primary substrate for the bacteria to consume and release electrons, facilitating the tre...

This paper highlights work done with a twin-screw reactor or auger reactor, with temperature profiles of near 500 °C, and sawdust and bagasse biomass. Analysis of the solid biofuel, i.e. biochar, is given, along with proximate and ultimate analysis of biomass feedstocks. System limitations are profiled and issues related to bio-oil production are a...

The bioactive compounds found in plants offer numerous therapeutic properties through protein and peptide molecules. The occurrence of diabetes has developed into a significant worldwide healthcare crisis because this metabolic disease continues to affect millions of individuals throughout the world while growing in numbers annually. The uncontroll...

Therapeutic potential of Hypericum oblongifolium from the biodiverse Himalayan region has not been widely reported. It is part of the Hypericum genus inhabiting the Western and Northern Himalayas. This work was aimed at extracting and analysing the chemical composition of essential oil (EO) from leaves of H. oblongifolium Wall. found in the Solan d...

The release of contaminants into water poses a significant threat to global clean water availability. This contaminated water contains toxic pollutants like heavy metals, posing risks to human health and the environment. To address this issue, treating contaminated wastewater before discharge is crucial. Conventional methods, such as ion exchange,...

The release of contaminants into water poses a significant threat to global clean water availability. This contaminated water contains toxic pollutants like heavy metals, posing risks to human health and the environment. To address this issue, treating contaminated wastewater before discharge is crucial. Conventional methods, such as ion exchange,...

The morphogenetic events leading to tissue formation can be recapitulated using organoids, which allows studying new diseases and modelling personalized medicines. In this review, culture systems comparable to human organs are presented, these organoids are created from pluripotent stem cells or adult stem cells. The efficient and reproducible mode...

Carbon capture and storage represented as CCS, is a technique that can be used to cut down on emissions of CO2 from industrial sources. These mechanisms can balance the excess fossil fuel usage and lead to effective carbon capture from the atmosphere and storing it in safe spaces. This can negate global warming and send the carbon back to geologica...

Candida albicans is resistant to various antifungal drugs, this presents a significant problem on a global scale. This study investigates a novel approach on the potential fungicidal effects of α-Phellandrene combinations with fluconazole and amphotericin B against antibiotic resistant C. albicans. The agar well diffusion experiment was used to mea...

The pattern in mortality and morbidity associated with infectious diseases can be linked to different variables. However, advancements in sanitation and public health, as well as the development of vaccines and antibiotics are among the most relevant of these factors. The emergence of antimicrobial resistance is a natural and unavoidable result of...

In plant microbial fuel cells or p-MFCs living plants photosynthesize between two electrodes. The plant exudes organic waste material from the roots. In the rhizosphere, bacteria consume these wastes by oxidizing them in contrast to the atmosphere that reduces it. This redox reaction along with photosynthesis can be harnessed as an energy source in...

In plant microbial fuel cells or p-MFCs living plants photosynthesize between two electrodes. The plant exudes organic waste material from the roots. In the rhizosphere, bacteria consume these wastes by oxidizing them in contrast to the atmosphere that reduces it. This redox reaction along with photosynthesis can be harnessed as an energy source in...

There has been a rise in the percentage of microbes that are resistant to antibiotics but no new and effective medications have been introduced in the market for a long time. This ultimately led to the need to search for alternative approaches that deal with infections caused by microbes that are resistant to drug treatments. In the context of the...

In plant microbial fuel cells (p‐MFCs) electrochemically active microbes present around the plant root convert rhizodeposits or the organic matter into electrons, protons, and CO2. This work covers the increasing trend in research with p‐MFCs with their mechanism of operation. Different plant species and their selection criteria are also covered. F...

Clean energy and water are major challenges to meet for sustainable development. Microbial Fuel Cells or MFCs can treat wastewater with the treatment process becoming a method for capturing energy in the form of bioelectricity. In this work, biomass derived Activated Carbon was used as the MFC cathode with carbon yarn as the brush anode. Sugarcane...

COVID‐19 pandemic is still one of the biggest obstacles to meeting the sustainable development goals (SDGs). Helping the world retrieve from the pandemic and reviving activities require expeditiously examining the comprehensive SDG schemes. This paper draws on existing information and a thorough examination of the research to emphasize continuing c...

Rhododendron, a fundamental flowering plant in the western Himalayas, holds significant commercial and ecological importance. Traditionally valued for its aesthetic and medicinal virtues, this review focuses on investigating Rhododendron arboreum as an additive in food formulations considering its potential as a natural food colorant and flavoring...

In sediment microbial fuel cells soil microbes are responsible for bioremediation by degradation of pollutants present in it. The microbial metabolism produces bioelectricity in the process. This work reports the use of Himalayan rock soil for such evaluations. Three substrates including organic matter, glucose and sucrose were utilized to evaluate...

The COVID‐19 pandemic presented a chance to investigate the effects of system‐wide emergencies on major global commodities such as water and energy. In terms of environmental policies and attaining supply security, these developmental goals are interrelated. Despite pandemic disruptions, there is a compelling need for a systematization in these are...

Biorefineries represent an integrated approach to facilitate biomass conversion to produce useful fuels, energy, and bulk chemicals from biomass. It employs microbes in the production process, employing methods that have a low carbon footprint. This chapter reviews the various approaches inside a modern biorefinery, from enhanced production of etha...

Renewable energy technologies are developing day by day. One of the novel renewable energy technologies is microbial fuel cells (MFC). MFCs are eco-friendly as it uses electroactive bacteria (exoelectrogens) to generate electricity by using organic and inorganic waste from the wastewater. Electricity generation and wastewater treatment are its prim...

Autonomous robots are designed to support humans in diverse ways including companionship and assistance, as technology evolves, the burden of physical tasks which were performed by humans in the past are getting reduced. Autonomous guidance and navigation are popular fields that use mobile robots to replace humans. These robots are widely used in s...

The TP53 tumor suppressor gene guides synthesis of a tumor protein called p53 by encoding a phosphoprotein, which is a key element in maintaining genomic stability and cellular apoptosis. This protein functions as a tumor suppressor thereby, preventing cell growth in an uncontrolled way. The current paper provides insights in the favor of increased...

Vitrimeric materials have emerged as fascinating and sustainable materials owing to their malleability, reprocessability, and recyclability. Sustainable vitrimeric materials can be prepared by reinforcing polymeric matrix with bioderived fillers. In the current work, a sustainable vitrimer is prepared by incorporating biomass-derived activated carb...

Algae have gained substantial importance as the most promising potential green fuel source across the globe and is on growing demand due to their antioxidant, anticancer, antiviral, antihypertensive, cholesterol reducing and thickening properties. Therefore, it has vast range of application in medicines, pharmaceutical, cosmetics, paper and nutrace...

Microorganisms that inhabits human digestive tract affect global health and enteric disorders. Previous studies have documented the effectiveness and mode of action of probiotics and classified as human-friendly biota and a competitor to enteric pathogens. Statistical studies reported more than 1.5 billion cases of gastrointestinal infections cause...

In the remote communities of India, government policies have allowed for an increase in the share of solar energy-based technologies used by consumers, making the low-income households in these areas an emerging market for decentralized energy distribution. Despite the policies and involvement of both public and private energy developers, this mark...

In the last decade India has seen an increase in the adoption of solar energy-based technologies by consumers, which has been supported by various government efforts and policies. The rural areas and low-income households that lack a proper electricity supply have emerged as a market for solar off-grid technologies, with private developers increasi...

In natural environments, voltage gradients can be created in soil or sediments from inherent microbial activity. Present work has utilized sediment microbial fuel cell or s-MFC for dark flocculent surface sediments to see bioelectricity generation potential at Jaipur, Rajasthan in India. Using a glucose rich substrate media and low external resista...

Power generation today has the most diversified energy generation techniques, from both conventional and non-conventional sources; however, with an ever-increasing burden of carbon emissions from combustion of fossil fuels, exploration of non-combustion based sources for power generation are of interest. Microbial Fuel Cells can serve this purpose,...

Power generation today has the most diversified energy generation techniques, from both conventional and nonconventional sources; however, with an ever-increasing burden of carbon emissions from combustion of fossil fuels, exploration of noncombustion-based sources for power generation are of interest. Microbial fuel cells can serve this purpose, b...

Among the various alternatives to fossil fuels, hydrogen and fuel cells have turned out to be the most consistent and promising. In this chapter, a review has been presented in terms of two major areas for fuel cell technologies to gain dominance in the energy markets: infrastructure and cost. An initial assessment of the existing technologies, bot...

Biomass utilization is expected to play a crucial role in sustainable development by addressing issues related to food security, climate change, and resource utilization. In this context, bioeconomy represents a pivotal concept for necessary innovations in the primary economic sectors. This article reviews the key drivers of bioeconomy—from biogas...

Reality Check

Energy for sustainable development through utilisation of low carbon footprint sources can benefit a nation both economically and prevent detrimental damage to the environment at the same time. Fuel cell technologies owing to their non-combustion method of power generation, with minimum emissions, have been widely used in various utility sectors; c...

Every household and industry generate significant amount of wastewater from everyday processes, these wastewater streams are treated in treatment plants using expensive chemicals. It is however possible to treat these wastewater sources by generating electricity from it. This is possible using Microbial Fuel Cells or MFCs. These systems can integra...

Wastewater treatment processes

Addressing the global energy needs and limited resources in the form of sustainable technologies should be ideally non-combustion based and have reduced net CO 2 emissions. Microbial Fuel Cells or MFCs can be part of this sustainable development and in the process support the water infrastructure as well. MFC research is evolving rapidly as a promi...

Renewable and clean forms of energy are one of society's most crucial needs. In the meantime, two billion individuals on the planet lack satisfactory sanitation and the monetary intends to breathe cost of it. In this work, we have attempted to address both of these human needs. Every year huge amount of expenses are carried out by industries to inc...

Of the 38000 million litres of sewage generated daily by Indian cities, only about 12000 million litres is treated. The untreated wastewater pollutes rivers, contaminates drinking water and threatens public health. This threat can be turned into an opportunity to generate electricity, says a team of Indian scientists. They employed microbial fuel c...

In this study, sewage was simultaneously treated and used to produce electricity using a two‐chambered microbial fuel cell (MFC) with carbon cloth electrodes having platinum coating on the cathode. Porous carbon electrodes are found to be the more suitable for MFCs as the power generation value is high when compared with nonporous surfaces and has...

Renewable power from sediment microbial fuel cells (SMFCs) are prospect to utilize and to operate low power devices like remote sensor etc., in the area where operation of low power devices is needed in regular human life. To scale-up the size we think of increasing the electrode surface area but it results in decreasing power density, which demons...

Aluminium mesh is a cheap option for oxygen reduction in microbial fuel cells (MFCs), but there is a need for improving its power production and longevity. This study showed the effect of aluminium mesh as cathode in a MFC system for wastewater derived from food sources. Maximum dissolved solutes removal was around 58%, which was initially 570±20 m...

Aluminium mesh is a cheap option for oxygen reduction in microbial fuel cells (MFCs), but there is a need for improving its power production and longevity. This study showed the effect of aluminium mesh as cathode in a MFC system for wastewater derived from food sources. Maximum dissolved solutes removal was around 58%, which was initially 570±20 m...

Concerns over energy shortage and environmental influence have led to improvements in renewable energy sources. Microalgae are potential energy carriers. Their biomass productivity is 5 – 30 times higher than other biomass. Algae exploit various nutrients present in wastewater such as local municipal wastes, diary, food processing industry, textile...

Microbial fuel cells with graphene based cathode and anode is the study of interest. Present work shows the capacity of sub-himalayan soil of Dehradun region of Uttarakhand, India holds potential to cater to power production from soil and organic waste matter. This can be speculated to power less energy intensive devices at the smallest level. Peak...

Topsoil microbial community primarily consists of bacterial species that can generate electricity if a microbial fuel cell is incorporated with it. Since such electron producing bacteria are abundant in nature, microbial fuel cells can be considered as clean source of electricity generation and a prospect for renewable energy growth. Here, the auth...

Industrialization becomes very significant for developing countries like India having large number of population. Rapid increase in urbanization and per capita income lead to high rate of municipal solid waste generation. In recent times, E-waste and plastic waste also contribute considerably to total waste stream due to utilization of electronic a...

Textile industries are the major source of environmental pollution In terms of quality as well as quantity. The textile industries consume large quantities of water (200 m 3 /ton of product) out of which around 90% is appeared as wastewater. Textile wastewater contains dye as the major pollutant which is not only recalcitrant but also imparts inten...

Given paper highlights a proposed model to troubleshoot vehicular parking problems by developing a universal user interface platform based on cloud computing which will enable users to park their vehicles without significant problems. System will show the users their parking spaces available throughout the city; users will have their own accounts w...

Energy from biomass has emerged as a promising source of decentralized energy production from developing countries. This paper highlights the importance of solid biofuel or pellets in the context of green energy. These can be used in co-firing with coal and other heating applications. Assessment is done for certain raw materials which do not create...

The present work deals with the setting up a hydrodesulfurization unit for petroleum naphtha. Estimating all the properties of the given petroleum fraction including its density, viscosity and other parameters. The process flow sheet which gives the idea of necessary equipment to be installed, then performing all material and energy balance calcula...

The inception of biofuels have induced the need for technologies such as pyrolysis, gasification and related. With flash pyrolysis (non-catalytic) and the obtained product yields in bio-oil are discussed with regard to the effect of hydrothermal pretreatment of biomass or the effect of catalyst's type (zeolitic or mesoporous). A review of catalytic...

Oil refining and petrochemical manufacture involves extensive heating of hydrocarbon and other fluids. Depending on the temperature required, this heating is achieved either by steam or direct heating. In the latter case, the fluid under pressure is contained in tubes which are heated from the outside by direct exposure to flames. These heaters com...

The present work reviews the setting up of a hydrodesulphurization unit for petroleum naphtha. Estimating all the properties of the given petroleum fraction including its density, viscosity and other parameters. The process flow sheet which gives the idea of necessary equipment to be installed, then performing all material and energy balance calcul...

Oil refining and petrochemical manufacture involves extensive heating of hydrocarbon and other fluids. Depending on the temperature required, this heating is achieved either by steam or direct heating. In the latter case, the fluid under pressure is contained in tubes which are heated from the outside by direct exposure to flames. These heaters com...

Hydrogen is the cleanest fuel known to man and the most prominent alternative to carbon-based fuels, although it is not available as a free gas on earth, it can be produced from various sources using the correct combination of pressure and temperature. The deep time that our planet has given life has allowed it to grow from a tiny seed of genetic p...

Hydrogen is the cleanest fuel known to man and the most prominent alternative to carbonbased fuels, although it is not available as a free gas on earth, it can be produced from various sources using the correct combination of pressure and temperature. The deep time that our planet has given life has allowed it to grow from a tiny seed of genetic po...

Energy security, economic growth and environmental protection are the three paramount entities that encompass the proliferation of a nation's forthcoming. The dwindling community of fossil fuels apart from leaving us with its destructive cumulative effects will put an enormous strain on energy infrastructure and life itself. Such catastrophic outco...

Energy from biomass has emerged as a promising source of decentralized energy production from developing countries. This paper highlights the importance of solid biofuel or pellets in the context of green energy. These can be used in co-firing with coal and other heating applications. Assessment is done for certain raw materials which do not create...