Anurag Mudgal

• PhD
• Professor (Associate) at Pandit Deendayal Petroleum University

Forward osmosis (FO) is an emerging process in the field of water/wastewater treatment. Water treatment using the FO process will address the ongoing problem of water scarcity. The commercial application of the FO system is very limited due to several issues like low water flux, concentration polarization, draw solution availability and regeneratio...

Growing concerns of climate change have made it imperative to look for clean energy sources for a sustainable future. Energy security is also a prime concern for any rising economy. One such source of energy that has gained the spotlight in the recent times is green hydrogen (H2). One way to produce green H2 is by water electrolysis using renewable...

Abiotic stress‐induced reactive carbonyl species (RCS) accumulation in plants stimulates oxidative stress by DNA adduct formation, protein carbonylation, and antioxidant pool depletion, triggering senescence or programmed cell death. RCS accumulation under abiotic stress has rarely been studied in halophytic plants that are adapted to highly saline...

A novel solar‐assisted cascade Rankine cycle‐driven reverse osmosis (RO) system is proposed and evaluated using conventional and advanced exergy analysis. The system comprises a solar collector as a heat input, steam Rankine cycle (SRC), and organic Rankine cycle (ORC) to generate turbine work and RO units for brackish water treatment. Water and R1...

Energy, exergy, economic and environmental analysis is applied to a novel FO system. The system is designed to achieve minimal/zero liquid discharge with low specific energy consumption. Up to 43 % recovery is obtained with desired output in terms of salinity of diluted draw solution and concentrated feed solution. The specific energy required to p...

Groundwater salinization is a problem affecting access to water in many world regions. Though desalination by conventional reverse osmosis (RO) can upgrade groundwater quality for drinking, its disadvantages include unmanaged brine discharge and accelerated groundwater depletion. Here, we propose a new approach combining RO, forward osmosis (FO), a...

The scarcity of freshwater is one of the biggest issues in the world, as a result of which more attention is given to the thermal distillation process for seawater and as well as brackish water distillation which removes almost all types of contaminants. Multiple effect distillation makes the process economical by recycling the latent heat of vapor...

Hybridization of electrodialysis (ED) and batch reverse osmosis (BRO) process is used to reduce the brine volume and water production cost. The ED process has the benefit of high water volume recovery in brackish water desalination, while reverse osmosis can produce pure water at a low production cost. Here, a simple hybrid process layout is prefer...

The resources of water are contaminated by discharging of various pollutants from sources including industrial and domestic zones. A variety of physical, chemical, and biological processes are implemented for treating pollutants. Adsorption is the most accustomed process due to its high efficiency, simple procedure, and cost-effectiveness. Adsorpti...

This review includes many studies of Electrocoagulation (EC) process in dairy wastewater (DWW) treatment and make comparison among these experimental results in absolute terms of chemical oxygen demand (COD) removal. To do that unit COD removal indicator (CODi-t) is calculated. Recently, EC technique gained immense attention due to its efficiency....

Heavy metals (HMs) entered in water due to industrial activities like mining, glass, fertilizer, paper, textile, Pharmaceuticals production and others. These HMs in water above threshold level are toxic and affects soil fertility and crop productivity. HMs are biologically magnified in the upper trophic levels and pose risk to animal and human heal...

Waste heat recovery is an efficient tool to reuse waste energy to provide useful energy products. This method addresses the practical solution for sustainable products, which reduces CO2 emissions. The organic Rankine cycle is the most desirable option for waste heat recovery systems as it operates with low heat source temperature, which is auspici...

Design and experimental performance of a detachable shell vertical tube evaporator with variation in feed water temperature is performed. The modified evaporator operates with a thin film of evaporating feed water on the outer surface of fluted tubes, resulting in high heat transfer coefficient for performance. Also, salt deposits on the outer surf...

Enhancement of heat transfer coefficient in evaporation processes using axially fluted surfaces compared to smooth surfaces is prominently displayed over several decades. Experimental research shows that with the help of a vertical tube evaporator, high heat transfer coefficient in the range from 10,000 to 20,000 W/m2K can be achieved. Heat transfe...

Design methodology of small-scale single effect LiBr (Lithium bromide)/water absorption refrigeration system with a capacity of 1.5 Ton is prepared and tested. The system delivers cooling by using solar thermal or any low-grade thermal energy. A double-helical coil heat exchanger works as a condenser and solution heat exchanger. Helically coiled he...

With the daily rise in environmental issues due to the use of conventional fuels, researchers are motivated to use renewable energy sources. One of such waste heat and low‐temperature differential driven energy sources is the Stirling engine. The performance of the Stirling engine can be improved by finding out the optimum operating and geometrical...

Effect of flow velocity and cell-pair thickness in electrodialysis (ED) is studied. The production cost includes pump energy, while the size of the system is considered as an output variable. The performance of ED system depends on three categories of process parameters namely water quality data, stack configuration and flow characteristic inside t...

Energy, economy, and ecological (3E)‐based analysis of steam cycle power plant evaluated through multiobjective investigation. The Montazer Ghaem steam‐based power plant situated in Iran is considered for investigation. Cycle efficiency, total cost, and ecological function of steam power cycle are treated as the 3E objective in the analysis. Simult...

The desalination of brackish ground water using cascade Rankine cycle is proposed. A pair of a Rankine cycle like steam Rankine cycle (SRC) and organic Rankine cycle (ORC) as a waste heat recovery. The single stage steam turbine for the SRC unit while the scroll expander for ORC unit is selected. Simulation of cascade RO system performance is consi...

For brackish water desalination, there is necessity to reduce the volume of saline waste water generated in existing processes due to scarcity of water and to cope up with increasing water demand. The electrodialysis process typically known for its higher water recovery rate with competitive energy consumption per unit volume of clean water produce...

Rapid industrial growth and urbanization will be the major causes of environmental pollution, wastewater, and water quality deterioration. However, the technological advancement in water purification and the water treatment area will be the breakthrough. In recent ten years, membrane-based technology evolved for wastewater treatment, water desalina...

A growing population with depleting water resources has increased the requirement for desalination systems. Large‐scale desalination plants have seen a growth in the recent period; however, the small‐scale (SS) decentralized desalination plants' need has not been realized for the rural population. Low specific heat consumption for multieffect desal...

The thermoeconomic behaviour of a nanoparticle seeded single effect LiBr‐H2O absorption refrigeration system (ARS) is investigated for a small scale application. In the proposed method, alumina nanoparticles with volume concentrations of 3%, 5%, and 7% are dispersed into an aqua lithium bromide solution. The multiobjective heat transfer search algo...

To help address this emergency, an atmospheric water extracting (AWE) device is developed and investigated as a part of present work. The AWE device is working on vapour compression refrigeration cycle. The air moisture condenses over the evaporator coil. The amount of condensate depends on psychrometric condition of incoming air. In this paper, th...

This work presents the analysis of a modified liquid desiccant dehumidification incorporated vapour compression refrigeration system based on thermo-economic approach. The thermal model of the proposed system is developed and optimized by considering the co-efficient of performance and the total annual cost of the system as objectives. To focus on...

During past five decades, the energy requirement has been mounting steadily and researchers believe that this will increase with time. Therefore, the amount of harmful emission gases will increase and cause global warming. In this study, we have green synthesized Fe3O4 NPs from waste Ziziphus mauritiana seeds and utilized these NPs to improve the j...

Renewable energies are sustainable and expected to play the significant role for pollution-free energy supply soon. Most traditional renewable energies are solar energy, wind energy, bioenergy, geothermal energy, tidal energy, and hydro-energy. Moreover, solar energy is characterized by their intermittent nature, as it is not available all the time...

The solar air heater (SoAH) absorbs the solar radiation and convert it into thermal energy. The drawback of solar radiation is its uneven distribution in time and it is the main roadblock for further expansion of solar energy. The technical feasibility of SoAH with thermal energy storage in the phase change material (PCM) is demonstrated in the...

In recent years, energy demand has increased many folds, and to overcome the demand and solve various environmental issues, the available energy is required to be stored in the form of Phase change materials (PCMs) due to its high latent heat capacity. But the heat transfer gets reduced due to low thermal conductivity of various PCMs. Hence, variou...

With day by day increasing of pollution due to using of conventional fuels, and other environmental issues motivates us to the usage of renewable energy sources. Stirling engine is the one of the power generation unit which can be works on the waste heat or low temperature differential energy resources and it works based on the regeneration and was...

The present study compares the thermal performance of various alternative refrigerants with conventional refrigerant operating on a vapour compression cycle with energetic, exergetic and advanced exergetic approaches. Appropriate alternative refrigerants are selected for the analysis and R1234yf is recommended as the best suitable refrigerant to re...

A cascade refrigeration system operating with CO 2 in the low temperature circuit and NH 3 as well as C 3 H 8 in the high temperature circuit are investigated for the thermo-economic optimization. Optimization results are used for the comparative analysis of both the refrigerant pairs (NH 3 /CO 2 vs. C 3 H 8 /CO 2 ). Optimization problem is formula...

This paper presents a rigorous investigation for efficiency, thrust, and fuel consumption optimization of a subsonic/sonic turbojet engine. A thermal model of the turbojet engine is developed for optimization investigation. A many-objective optimization problem is formed by considering maximization of thermal efficiency, propulsive efficiency, spec...

This study was conducted to compare plant growth, nodulation and legheamoglobin content in Kabuli and Desi cultivars of chickpea (Cicer arietinum (L.)) under saline conditions. All the varieties expressed greater adverse effects on the plant height, dry weight of shoot and root at 30 and 60 DAS whereas the deleterious effects of the salinity minimi...

A thermodynamic optimization analysis of single effect LiBr-H2O vapour absorption cooling system of 1 TR capacity is conducted based on first and second laws. Mathematical models derived from thermodynamics theory, are employed in engineering equation solver to perform the calculations. Minimum generator temperature required to operate the system t...

A thermodynamic analysis of single effect LiCl-H2O vapour absorption cooling system of 1 TR capacity is conducted based on first and second laws. Mathematical models derived from thermodynamics theory, are employed in engineering equation solver to perform the calculations. It is found that maximum exergy destruction in system occurs in the absorbe...

In the present study, the energy and exergy investigation of absorption refrigeration system (ARS) in LiBr - H2O solution is modelled and analysed for each component. An optimization criterion applied to the generator temperature in order to enhance energy and rational efficiency and also, most exergy destruction components are identified. The resu...

This paper presents a rigorous investigation of many-objective (four-objective) thermodynamic optimization of a Stirling heat engine. Many-objective optimization problem is formed by considering maximization of thermal efficiency, power output, ecological function and exergy efficiency. Multi-objective heat transfer search (MOHTS) algorithm is prop...

Desalination is a costly means of providing freshwater. Most desalination plants use either reverse osmosis (RO) or thermal distillation. Both processes have drawbacks: RO is efficient but uses expensive electrical energy; thermal distillation is inefficient but uses less expensive thermal energy. This work aims to provide an efficient RO plant tha...

The aspects of fabrication, design and operation with design optimization of various components of the small scale multiple effect distillation (MED) unit have been discussed in part I of the paper. The MED system can be operated as n effects + condenser (n + C), where 1 ≤ n ≤ 9. Extensive experiments were carried out respectively using 9 + C, 6 +...

Removal of dissolved salts and toxic chemicals in water, especially at a few parts per million (ppm) levels is one of the most difficult problems. There are several methods used for water purification. The choice of the method depends mainly on the level of feed water salinity, source of energy and type of contaminants present. Distillation is an a...

Overall Heat Transfer Co-efficient (OHTC) is the governing factor for heat transfer and depends on surface area utilized for heat transfer and temperature difference. The aspects of fabrication, design and operation along with design optimization of various components of the small scale multiple effect distillation (MED) unit have been discussed in...

Metal ions such as iron and copper are among the key nutrients that must be provided by dietary sources. In developing countries, there is an enormous contribution of human activities to the release of toxic chemicals, metals and metalloids into the atmosphere. These toxic metals are accumulated in the dietary articles of man. Numerous foodstuffs h...

Polyphenols are substances of plant origin that occur in numerous fruits and vegetables, wine, tea, olive oil, chocolate and other cocoa products. They show antioxidant properties in vitro and many of their biological actions have been attributed to their intrinsic reducing capabilities. Research on the effects of dietary polyphenols on human healt...

Among abiotic stresses, high salinity stress is the most severe environmental stress, which impairs crop production on at least 20% of irrigated land worldwide. Understanding the mechanism of stress tolerance along with genes involved in stress signaling network is important for crop improvement. The growth reduction is recorded as a main morpholog...

Metal ions such as iron and copper are among the key nutrients that must be provided by dietary sources. In developing countries, there is an enormous contribution of human activities to the release of toxic chemicals, metals and metalloids into the atmosphere. These toxic metals are accumulated in the dietary articles of man. Numerous foodstuffs h...

Metal ions such as iron and copper are among the key nutrients that must be provided by dietary sources. In developing countries, there is an enormous contribution of human activities to the release of toxic chemicals, metals and metalloids into the atmosphere. These toxic metals are accumulated in the dietary articles of man. Numerous foodstuffs h...

Objectives: To analyze differences in sensitivity to saline stress among kabuli and desi cultivars of chickpea. Methodology and results: From ten genotypes of chickpea, three cultivars were screened in saline soils; two of them are kabuli (PUSA-1053, PUSA-939) and one desi types (BG-256). The seeds of the different cultivars were inoculated wit...