Lakhveer Singh

Lakhveer Singh
Sardar Patel University, Mandi, HP

Dr

About

165
Publications
99,594
Reads
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4,640
Citations
Introduction
(1) MICROBIAL FUEL CELL FOR COMBINED WASTEWATER TREATMENT AND HYDROGEN PRODUCTION FROM PALM OIL MILL EFFLUENT (POME). UMP Research Grant (2) FUNDAMENTAL STUDY OF IMMOBILIZED-CELL REACTOR TECHNOLOGY FOR ENHANCED SUSTAINABLE BIO- ENERGY AND TREATMENT EFFICIENCY OF PALM OIL MILL EFFLUENT. FRGS research Grant (3) DEVELOPMENT OF COMBINED DARK-PHOTO FERMENTATION IMMOBILIZATION CELL SYSTEM FOR ENHANCED BIO ENERGY PRODUCTION AND TREATMENT EFFICIENCY OF WASTEWATER. Science Fund Grant
Additional affiliations
December 2013 - present
Oregon State University
Position
  • Senior Researcher
Description
  • No

Publications

Publications (165)
Article
Full-text available
The extraction of municipal solid waste (MSW) provides a significant opportunity to manage MSW while bolstering energy security. As a result, research in this area has gained traction over the last few decades. It appears that this route carries the potential to reshape the future of energy and environmental management. However, the technological,...
Book
Full-text available
Multifaceted Bio-sensing Technology introduces different types of biosensors, their construction materials, configurations, production methods, and uses in bioelectrochemical fuel cells (BEFC). The book focuses on recent progress in the production of biosensing platforms/interfaces, their integration, design and fabrication, and their multifaceted...
Article
Full-text available
Oxygen reduction reactions (ORRs) are unanimously a key factor of system performances in bioelectrochemical systems (BESs), low-temperature fuel cells, and generally in several electrochemical platforms. Platinum (Pt)-based catalyst is the finest electrocatalyst for ORR in BESs; however, it is constrained by its low abundance, high price, and poor...
Article
Full-text available
In the present laboratory scale experiment, we report the fabrication of chlorophyll sensitized (BiO)2CO3/CdWO4/rGO (BCR) photo-catalyst. The green approach has been adopted for boosting the optical activity by chlorophyll as a sensitizer. The functionality, nature and surface compositions of synthesized photo-catalyst have been identified by FTIR,...
Chapter
Sustainable management through recycling of the food waste into animal feedstock is one of the promising approaches to overcome the food wastage-related issues. However, this action has been limited in some developed countries due to the lack of safety and security issues. Food waste contains high moisture content and it causes the spread-out of ba...
Article
Full-text available
The leather-making process necessitates large amounts of water and consequently generates tons of liquid waste as leather tannery wastewater (TWW) is disposed of directly in the open environment. Open disposal of untreated TWW into the natural environment causes an accumulation of various polluting compounds, including heavy metals, dyes, suspended...
Book
Full-text available
Nanocomposites derived from biorenewable sources have emerged as an important material for applications as diverse as energy storage, medicine, and environmental remediation. These nanocomposites have a high surface-to-volume ratio, facilitating easy fabrication, useful mechanical properties, and high thermal stability. As part of a two-volume set...
Book
Full-text available
Nanocomposites derived from biorenewable sources have emerged as an important material for applications as diverse as energy storage, medicine, and environmental remediation. These nanocomposites have a high surface-to-volume ratio, facilitating easy fabrication, useful mechanical properties, and high thermal stability. As part of a two-volume set...
Article
2D transition metal carbides, nitrides, and carbo‐nitrides, known as MXenes, have emerged as a versatile class of nanomaterials. MXenes are hailed as remedies to a plethora of global problems. Some of the remarkable ideal properties of MXenes that can transcend the boundaries of current technology, particularly in the field of sensors, include meta...
Article
Plastic, a non-biodegradable material has always been a concern to the environment and people. This single-use item generates waste to landfills and it persists for centuries once disposed. The urge of transforming such material into a highly valuable product has sought attention from many researchers. This study emphasizes on a nanotechnological a...
Article
Full-text available
In the electrocoagulation wastewater treatment process, extremely polluted water treatment requires an effective technique, and using high current is one of those. This study aims to optimize electrocoagulation parameters such as operation time, electrodes gap and the initial pH by applying high current intensity to treat palm oil mill effluent (PO...
Article
Full-text available
As a powerful tool, nanoenzyme electrocatalyst broadens the ways to explore bioinspired solutions to the world's energy and environmental concerns. Efforts of fashioning novel nanoenzymes for effective electrode functionalization is generating innovative viable catalysts with high catalytic activity, low cost, high stability and versatility, and ea...
Article
Full-text available
Sugarcane bagasse is an abundantly available agricultural waste having high potential that is still underutilized and mostly burnt as fuel. There are various processes available for bagasse utilization in improved ways and one such process is anaerobic digestion (AD) of bagasse for biogas production. The complex structure of biomass is recalcitrant...
Article
Microbial fuel cells (MFCs) are biochemical systems having the benefit of producing green energy through the microbial degradation of organic contaminants in wastewater. The efficiency of MFCs largely depends on the cathode oxygen reduction reaction (ORR). A preferable ORR catalyst must have good oxygen reduction kinetics, high conductivity and dur...
Article
Bioelectrochemical systems (BESs) are highly evolved and sophisticated systems that produce bioenergy via exoelectrogenic microbes. Artificial intelligence (AI) helps to understand , relate, model, and predict both process parameters and microbial diversity, resulting in higher performance. This approach has revolutionized BESs through highly advan...
Article
Full-text available
MXenes are novel transition‐metal‐carbide‐ and/or nitride‐based 2D materials that attract considerable attention in the field of energy storage and conversion because of their unique layered structures, electronic properties, and surface chemistries, which facilitate various electrochemical reactions. MXenes have been rarely investigated as probabl...
Article
Full-text available
High commercial electricity consumption is one of the disadvantages in the operation of lengthy electrocoagulation processes. To cater to this problem, this study develops an integrated photovoltaic-electrocoagulation system in treating oil palm mill effluent (POME). This system has successfully reduced 23,837 mg/L of chemical oxygen demand (COD) a...
Book
Addressing Pollution Issues with MOFs. Metal−organic frameworks (MOFs) have emerged as highly customizable catalysts based on their unique features. Recent studies have developed specific MOFs for many applications. As part of a three-volume set (1393−1395), this volume provides an overview on MOFs used in environmental remediation, including synth...
Book
Applications for Biomass Conversion and CO2 Capture. Metal−organic frameworks (MOFs) have emerged as highly customizable catalysts based on their unique features. Recent studies have developed specific MOFs for many applications. As part of a three-volume set (1393−1395), this volume provides an overview on MOFs used in electrochemical applications...
Book
Quantifying Contaminants with MOFs. Metal−organic frameworks (MOFs) have emerged as highly customizable catalysts based on their unique features. Recent studies have developed specific MOFs for many applications. As part of a three-volume set (1393−1395), this volume provides an overview on MOFs used in environmental sensing, including synthesis, c...
Chapter
Single-atom catalysts are promising heterogeneous catalysts, having significant characteristics including selectivity, stability, and higher atomic efficiency. The maximized atomic efficiency and geometric and electronic structures of single-atom catalysts has led to broader applications including electrochemical CO 2 reduction. Single-atom catalyt...
Article
Full-text available
Microbial electrochemical processes are primary platforms for generating electricity or value-added products by relying on the interaction between electroactive microorganisms and electrodes by utilizing electron carriers like hydrogen and enzyme through the oxidation–reduction reactions. Microbial electrosynthesis (MES), initially introduced as el...
Article
In this work we report the fabrication of novel magnetic ternary PANI/LaFeO3/CoFe2O4 (PLC) heterojunction through in situ polymerization of aniline. As fabricated photo catalyst has been characterized by using FT-IR, XRD and XPS. The surface as well as internal morphologies has been studied by SEM and TEM. The optical activities have been investiga...
Article
Global warming, management of soil health, remediation of contaminated wastewater, and sustainable alternate source of energy are the major challenges of the 21 st century. Biochar has an enormous potential in addressing these global issues and can act as a catalyst in achieving sustainable development goals (SDGs). Biochar produced from waste biom...
Article
In the current scenario, alternative energy sources are the need of the hour. Organic wastes having a larger fraction of biodegradable constituents present a sustainable bioenergy source. It has been reported that the calorific value of biogas generated by anaerobic digestion (AD) is 21e25 MJ/m3 with the treatment which makes it an excellent replac...
Article
In present study, a simple, effective and rapid green method using leaf extract of Melia azedarach was explored for the synthesis of Cu-ZnO nano heterojunction particles. The leaf extract of Melia azedarach acts as a reducing agent and prevents the agglomeration of nanoparticles. Different standard analytical techniques were used to study the morph...
Article
Maintaining high current densities is a key challenge in scaling-up microbial electrolysis cell (MEC) reactors. In this study, a novel 10 L MEC reactor with a total electrode surface area > 1 m² was designed and evaluated to maximize the current density and H2 recovery. Performances of the reactor suggest that the longitudinal structure with parall...
Article
Full-text available
The first hypothetical hydrogen (H2) production from biological means was proposed in the early of nineteenth century. However, the biological H2 production technology did not received much attention until the anticipation of H2 production was practically reported through anaerobic digestion of cellulose using microbes present in the ruminant tract...
Article
Full-text available
This study aims to investigate the effect of the ultrasonic, microwave, and combined ultrasonic-microwave pretreatment of palm oil mill effluent (POME) sludge before fermentation to analyze hydrogen (H2) production and chemical oxygen demand (COD) removal efficiency in batch fermentation. Experimental results showed that the pretreatment of sludge...
Chapter
Full-text available
As a renewable energy carrier, hydrogen gains international recognition, with the ability to substitute fossil fuels. A state-of-the-art technology called a microbial electrolysis cell (MEC) can produce viable, clean hydrogen energy and also treat wastewater using various renewable carbon sources. The key substrates tested include wastewater, ferme...
Chapter
The bioelectroactive fuel cells (BFC) or bioelectrochemical systems (BES) are regarded as a potent source for producing green and sustainable energy. The two major BFCs studied extensively are the enzymatic fuel cells and the microbial fuel cells. The main difference between them is the bioactive source that catalyzes the electrochemical reaction i...
Chapter
Wastewater treatment and reduction of metal pollutants are potent applications of bioelectroactive fuel cells (BFC) to reduce waste and reuse otherwise unavailable resources. This method is considered to be much simpler and faster compared with the conventional wastewater treatment in treatment plants which requires a rigorous physical, chemical, a...
Chapter
Waste from fish-processing units have been customarily disposed of through dumping at landfill sites or water bodies. Disposing of fish waste can be considered unbefitting waste management practice because the fish waste represents a valuable source of nutrient and energy. This chapter aims to summarize the microbial fuel cell approaches used for t...
Chapter
Bioelectrochemical systems (BESs) convert chemical energy into electrical energy using metabolic activities of microorganisms. This technology has gained tremendous interest and it is evolving not only for bioremediation of different wastewaters but also for production of bioenergy. The main aim of this chapter is to introduce the principles of the...
Article
Full-text available
Application of electroactive extremophiles as a biocatalytic agent inside microbial electrochemical systems (MES) holds promises for worldwide practical implementation with improved/enhanced performance under extreme environmental conditions. The MES are microbe catalysed electrochemical platforms that can turn the chemical energy stored inside org...
Chapter
Heavy-metals removal and recovery from wastewater is a sustainable approach for wastewater treatment and environmental sustainability. This is also helpful to meet the strict effluent discharge norms. Acknowledging that wastewater presents a useful resource and the value of precious, semi-precious and heavy-metals has made it interesting to recover...
Article
Phthalates are a group of emerging xenobiotic compounds commonly used as plasticizers. In recent times, there has been an increasing concern over the risk of phthalate exposure leading to adverse effects to human health and the environment. Therefore, it is necessary to not only understand the current status of phthalate pollution, their sources, e...
Article
Full-text available
Biogas production from anaerobic co-digestion (ACoD) of palm oil mill effluent (POME) and cattle manure (CM) is getting a lot of attention due to its wide availability and relatively simple energy conversion technology. The ACoD process is extremely complex to model with conventional mathematical modeling methods and requires the use of advanced co...
Book
2D nanomaterials, or graphene equivalents, possess an exceptional array of characteristics due to their unique structure, configuration, and properties. Such materials have gained attention for countless applications due to their progression into wide varieties of crystallographic structures via abundant elemental compositions. These characteristic...
Chapter
Full-text available
Currently, water sources across the world are highly contaminated by pollution with heavy-metal contaminants, synthetic dyes, and other hazardous materials emitted by large industries rather than usual domestic waste. This contamination requires sufficient control for the protection of natural water bodies. There are numerous methodologies for trea...
Article
Full-text available
The present study embarked on investigating the photo-fermentative bio-H2 production kinetics and statistical optimization of operational parameters using immobilized inoculum from dark fermented palm oil mill effluent (DPOME). The statistical optimized values of initial pH, inoculum-substrate percentage (ISP), and light intensity were achieved by...
Chapter
Full-text available
Palm oil mill effluent has become a serious concern to society, which needs intensive care and treatment for the environmental pollution removal and preservation of the inadequate water source. The electrocoagulation treatment process has earned special attention in treating palm oil mill effluent (POME) because it has great versatility and ecologi...
Article
Recent bioinspired efforts of designing novel nanoenzyme-based electrocatalysts are driven by the urgency of making bioelectrofuels more affordable and efficient. Unlike natural enzymes, nanoenzyme-modified electrodes with large surface areas enclose numerous biomimicking active sites to facilitate enhanced microbial growth followed by increased re...
Chapter
The energy sector is currently the most important area of research due to the depleting petroleum resources, the ever-increasing world population, and the need to solve the problem of climate change by reducing the emission of greenhouse gases (GHGs). These necessitate the search for an energy source that is environmentally sustainable and can help...
Book
Bioreactors: Sustainable Design and Industrial Applications in Mitigation of GHG Emissions presents and compares the foundational concepts, state-of-the-art design and fabrication of bioreactors. Solidly based on theoretical fundamentals, the book examines various aspects of the commercially available bioreactors, such as construction and fabricati...
Chapter
In the current global scenario, the problems of the depletion of fossil reserves, increasing waste generation, climate change, and the need for energy security are matters of prime concern. All these issues are inevitable in any economy today due to the absolute reliance on fossil fuels for fulfilling energy requirements. A global movement toward c...
Book
Full-text available
Bioelectrochemical systems evolved from microbial fuel cells that generate electricity from catalytic electrode (both anodic and cathodic) processes. The paramount potential of such systems is the range of materials (nature and type) of the catalytic materials that are increasingly used with varied substrates for energy recovery coupled with waste...
Article
The presence of homoacetogenesis and hydrogen production-consumption loop significantly hinders the efficient hydrogen recovery in single chamber microbial electrolysis cells (MECs). However, no effective inhibition method has been proposed against homoacetogens hitherto. In this study, we demonstrated the effectiveness of chloroform as a homoaceto...
Chapter
Full-text available
Water resources are gradually decreasing and most of water is polluted by different pollutants from household, agricultural and industrial sources. Previously, the main focus of bioremediation treatment technologies was on the use of free microbial cells. Recently, immobilized microbial cells for the bioremediation of pollutants from wastewater hav...
Article
The present study intends to evaluate the potential of co-digestion for utilizing Organic fraction of Municipal Solid Waste (OFMSW) and sewage sludge (SS) for enhanced biogas production. Metagenomic analysis was performed to identify the dominant bacteria, archaea and fungi, changes in their communities with time and their functional roles during t...
Chapter
Present 21st century world has started facing several challenges (such as waste management, bioresource scarcity, food/and energy security, climate change, global warming and health risks) as a heavy price of reckless usage/or exploitation of natural resource. In such a scenario, the implementation of circular economy model (based on use, produce,...
Article
During electrocoagulation of palm oil mill effluent (POME), operating parameters as electrolysis time, current intensity, inter-electrode distance and initial pH have a profound influence on floc growth and structure. These characteristics can be determined by microscopical and particle size analysis. The microscopical analysis revealed pollutant p...
Cover Page
Full-text available
The book also emphasizes on nafion modified electrode surface, its selective bioelectrocatalytic H2O2 reduction and sensing function in addition to novel bioelectrocatalytic strategies based on immobilized redox metalloenzymes on tailored electrodes. This book will aid in understanding the critical constraints of the conventional electrode materia...
Cover Page
Full-text available
In view of the rapidly depleting fossil reserves, towering environmental pollution, coupled with economic and diplomatic problems owing to limited fossil reserves and uneven distributions. There is a global concern to ascertain alternative energy sources and to tackle voluminous waste generated. In this context, there has been a heightened interest...
Book
Extensive use of fossil fuels for energy have negatively contributed to the environment owing to the emission of carbon dioxide and other harmful gases as serious atmospheric pollutants and particulates, and has resulted in soaring global warming. At the same time, various waste products from domestic, agricultural, animal facilities, refineries an...
Article
Pretreatment is significant for the bioenergy yield enhancement by anaerobic co-digestion (ACoD) process. Oxidization by hydrogen peroxide (OHP) had substantial impacts on biological break down through pretreatment of substrate and bioenergy production by ACoD methods. It is considered as an environmentally friendly and economical pretreatment meth...
Article
In an era of electronics, recovering the precious metal such as gold from ever increasing piles of electronic-wastes and metal-ion infested soil has become one of the prime concerns for researchers worldwide. Biological mining is an attractive, economical and non-hazardous to recover gold from the low-grade auriferous ore containing waste or soil....
Article
The key objective of this research was to investigate the potential of the co-digestion of palm oil mill effluent (POME) with cattle manure (CM) in a solar-assisted bioreactor (SABr) to produce enhanced biogas. The solar panel first converted solar radiation into electricity, which then warmed up the POME and CM mixture to maintain the required rea...
Chapter
Globally population explosion and food security have resulted in increased use of various toxic pesticides to prevent cash food crops from various diseases and yield loss. These xenobiotic compounds have a hazardous effect on human health as well as our surrounding environments. The current chapter aims to channelize the innate ability of soil micr...
Article
This paper investigates the production of hydrogen (H2) and methane (CH4) from palm oil mill effluent (POME) using an integrated approach of thermophilic continuous stirred tank reactor (CSTR) and mesophilic microbial electrolysis cell (MECs). CSTR reactor was operated at pH 5.5, 80rpm, 2 days HRT, 60g COD L-1 d-1 organic loading rate (OLR) and 55°...
Chapter
This chapter highlights the role of biocathodic microorganisms that is, electrotroph in biocommodities production through bioelectrochemical systems, such as microbial fuel cells and microbial electrolysis cells. However, electrotrophic biofilms on cathode which are capable of reducing CO2 are more difficult to grow, and consequently make it harder...
Article
The distribution of internal resistance in most microbial electrolysis cells (MECs) remains unclear, which hinders the optimization and scaling up of the technology. In this study, a method for quantifying the effects of design and operation decisions on internal resistance was applied for the first time to MECs. In typical single chamber MECs with...
Book
Full-text available
With no emissions and water as a byproduct, the globe could imagine a sustainable and resilient human kind that obliterates any possible chances of future climate change. With increased globalization, there has been an unprecedented escalation in production processes thus generating valued products and byproducts. A significant quantum of the waste...
Article
Biomass can be a sustainable choice for bioenergy production worldwide. Biohydrogen production using fer-mentative conversion of biomass has gained great interest during the last decade. Besides being an efficient transportation fuel, biohydrogen can also be also be a low-carbon source of heat and electricity. Microbes assisted conversion (bioconve...
Article
Full-text available
Hydrogen is known to be an ideal alternative to fossil fuels because of its high energy density (142 MJ/kg) by mass and a clean combustion product. Using fermentative anaerobic bacteria to degrade biomass and produce renewable hydrogen is receiving a great attention. One of major obstacles of dark fermentation for high-yield hydrogen production is...
Chapter
Excessive use of phosphorus (P) based fertilizers for improved agricultural productivity has resulted in nutrient enrichment and consequent deterioration of surface and ground waters. Naturally, available soil microbes in an agricultural set-up are capable of mineralization of organic P and/or solubilisation of inorganic P thus making it bioavailab...
Article
Electrocoagulation process using high current intensity to treat palm oil mill effluent (POME) was investigated in this study. Various operating parameters such as electrolysis time, inter-electrode distance and initial pH were carried out to determine the efficient process condition on the removal of chemical oxygen demand (COD), biological oxygen...
Article
Full-text available
Microbial electrolysis for hydrogen production exhibited great advantages over many other biohydrogen production techniques in terms of hydrogen yield (HY) and energy efficiency (EE). With the elimination of methanogens, homoacetogens could thrive as the major hydrogen sink to impair HY and EE. However, the determination of hydrogen loss in microbi...
Article
This contribution presents the technical possibilities for hydrogen and methane production from micro‒algal biomass residual wastes. Algal biomass is rich in carbohydrates which can be utilized as a promising source of substrate for dark fermentation. It becomes more significant when biomass is produced by capturing atmospheric greenhouse gas, CO2....