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Prakash Parthasarathy

Prakash Parthasarathy

Ph.D

About

53
Publications
9,564
Reads
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1,375
Citations
Citations since 2016
42 Research Items
1286 Citations
20162017201820192020202120220100200300400
20162017201820192020202120220100200300400
20162017201820192020202120220100200300400
20162017201820192020202120220100200300400
Additional affiliations
March 2015 - February 2016
Yonsei University
Position
  • PostDoc Position
March 2015 - February 2016
Yonsei University
Position
  • PostDoc Position
August 2010 - December 2014
National Institute of Technology Tiruchirappalli
Position
  • Researcher
Education
July 2010 - June 2013
July 2005 - June 2007
July 2000 - May 2007
SASTRA University
Field of study
  • chemical

Publications

Publications (53)
Article
Full-text available
Camel dung (CM) and date stone (DS) are biomass resources that are abundant across the Gulf region and have the potential to produce sustainable renewable fuels and specialty products. Copyrolysis of camel dung with DS is an intriguing research approach to boosting both the production and quality of pyrolysis products, particularly biochar. The cur...
Article
Full-text available
In comparison to other methods, valorising food waste through pyrolysis appears to be the most promising because it is environmentally friendly, fast, and has a low infrastructure footprint. On the other hand, understanding the pyrolytic kinetic behaviour of feedstocks is critical to the design of pyrolysers. As a result, the pyrolytic degradation...
Article
Full-text available
In this study, an empirical model for the pyrolysis of major oil palm wastes (OPW) such as palm kernel shell (PKS), empty fruit bunches (EFB), and oil palm frond (OPF), and their blends is developed. Moreover, the techno-economic feasibility of the wastes is investigated to determine the type of waste that would be suitable for the commercializatio...
Article
Full-text available
The study provides a review of various applications of biomass-derived biochars, waste-derived biochars, and modified biochars as adsorbent materials for removing dyestuff from process effluents. Processing significant amounts of dye effluent discharges into receiving waters can supply major benefits to countries which are affected by the water cri...
Article
Biochar is a highly rich carbonaceous material, which when applied to soil renders numerous benefits to plants and the environment. The role of biochar in agriculture is expected to expand rapidly as the need to protect the climate, manage organic waste, and produce food has risen significantly. Hence, continuous research on the production and appl...
Chapter
This chapter presents an overview of the biochar and modified biochar applications as adsorbents for the removal of dyes from effluents. Due to the current water crisis and the predicted vast water-stressed regions of the world, the treatment of the large volumes of colored effluents into receiving waters can provide a significant relief to many co...
Article
Full-text available
Prior information on the pyrolysis product behaviour of biomass components-cellulose, hemicellulose and lignin is critical in the selection of feedstock as components have a significant influence on the pyrolysis products yield. In this study, the effect of biomass components on the yield of slow pyrolysis products (char, bio-oil and syngas) is inv...
Article
Full-text available
Pharmaceutical products in water, also known as personal pharmaceutical products or PCPPs, are developing contaminants that have the potential to impair human health and the environment in a variety of ecosystems. In this work, waste date stones, a waste product obtained from the seedless dates manufacturing industry, were used to make acid-activat...
Article
Full-text available
The amount of food waste that is generated all over the world is enormous. As food wastes are rich in nutrients and organics, they serve as a potential source for the generation of many value-added commodities and energy. In most countries, food wastes are predominately dumped in open lands or incinerated, along with other combustible materials suc...
Article
Full-text available
Understanding the co-pyrolytic thermal behaviour and kinetics of feedstocks is important for the design of pyrolysers. In this study, the pyrolytic degradation of camel dung, date stones, and their blend (1:1 wt.%) has been investigated under non-isothermal conditions using a thermogravimetric analyser. The Coats-Redfern (CR) and distributed activa...
Chapter
Livestock manure is one of the most abundant agro-wastes worldwide. Most of the manures are landfilled or composted to produce fertilizers, which raises concerns associated with the possible pollution of air and contamination of groundwater. Meanwhile, Hydrothermal liquefaction (HTL) is attracting growing attention to valorise wet wastes as an alte...
Chapter
The Middle East and North Africa region (MENA) is the largest global producer of dates, with an annual production of more than 8 million tonnes. The date palm has been an iconic part of this region’s culture since 3000 BC and played a key role in its development over the centuries. Incidentally, date pits account for approximately 10% of the fruit,...
Article
Full-text available
An alternate and sustainable utilisation of camel dung waste has been investigated in this study. The pyrolysis degradation characteristics of camel dung have been investigated using a thermogravimetric analyser and the same has been compared with the gasification decomposition behaviour of the dung. The pyrolysis analyses were performed at heating...
Article
In this work, the sustainable valorisation of camel manure has been studied using thermogravimetric analysis. The gasification tests were performed from ambient conditions to 950 °C at 10, 20, and 50 °C/min under an O2 environment. The TGA data were applied to determine the kinetics of the O2 gasification. Single-heating rate models (Arrhenius and...
Article
Full-text available
Information on the pyrolysis degradation kinetics of feedstock is critical for the design and fabrication of pyrolysis reactors. In this study, the pyrolytic behaviour of a novel biomass, camel manure, has been studied in a non-isothermal thermogravimetric analyser. The thermal analyses were performed from room temperature to 950 °C at different he...
Article
Livestock manures significantly contribute to greenhouse gas emissions and soil contamination if not valorised or disposed properly. Meanwhile, hydrothermal liquefaction has emerged as a promising technology for the conversion of wet wastes into value-added products. As such, this study investigates the potential of hydrothermal liquefaction of cam...
Article
Full-text available
Water pollution, from industry and agriculture, is a major threat to water security in the light of decreasing global potable water resources. Adsorption is one potential treatment technology for the removal of different contaminants from polluted water. Hard lignocellulose-containing materials with high carbon content, such as date stones, are exc...
Preprint
Full-text available
Pharmaceutical products in water, frequently referred to as personal pharmaceutical products, PCPPs are regarded as problematic emerging pollutants with the potential to cause damaging health and environmental impacts to several ecosystems. In this study, an acid activated carbon has been produced from waste date stones, the waste product obtained...
Article
Full-text available
Large quantities of fruit wastes are generated during the consumption and processing of fruits. The disposal of fruit wastes in an environmentally benign way is a challenging task. The biochar production from fruit wastes by pyrolysis is receiving huge attention because it can alleviate pollution of fruit wastes and provide a supply of biochar sust...
Article
Microwave and thermal treatment methods have been applied in order to produce two derived active carbons using waste date pits/stones from a date syrup processing plant. The adsorption properties of the two products have been tested for the adsorption of the toxic Malachite Green dye, which is commonly applied in the textile and plastics industry....
Article
Full-text available
Bamboo is found worldwide but is especially concentrated in tropical and subtropical areas with the major producing nations being China, Indonesia and Thailand with an annual production of 12 million tonnes. It has found uses in many applications such as: furniture, flooring, roofing, fencing, interior design and scaffolding in the construction ind...
Conference Paper
Full-text available
Livestock manure is a significant contributor to methane emissions which are released upon the decomposition of manure under anaerobic conditions. Besides, the mismanagement of manure may lead to serious water and soil contamination. In Qatar, camels are commonly domesticated for their meat and milk. Its camel population generates around 120,000 to...
Article
Full-text available
Gasification has emerged as a prominent technique to convert biomass, coal, plastic, and municipals wastes sludge (generated from agriculture, industrial, and domestics, urban centers) into energy in the form of gaseous products. However, co-gasification of these materials has many advantages, such as desired product yield and uninterrupted feedsto...
Article
Full-text available
This study covers the removal of a widely used toxic dye – malachite green, MG. from water. Waste date stones have been used to produce microwave activated carbons and used to adsorb the highly toxic dye; the MG removal capacity studies are reported. There is a significant health risk to humans, as MG is a Class II Health Hazard, toxic to human cel...
Article
An ASPEN plus model for coconut coir pith and its char gasification was developed. • Sensitivity analysis was conducted for both coconut coir pith and its char. • Techno-economic analysis of coconut coir pith and its char gasification was done. • Steam gasification of char can generate syngas of high yield and quality. • Coconut coir pith char gasi...
Chapter
Full-text available
Adsorption techniques are widely used for the removal of various classes of pollutants from water due to their mild and facile operating conditions. The operations involved in the adsorption techniques are environmentally friendly, economical, highly selective on pollutants, highly efficient and easily operative. However, the adsorption of heavy me...
Chapter
As effects of climate change and resource scarcity disturb the modern world, there is an urgent need to shift from the traditional fossil fuel-based economy towards a more sustainable future. Transitioning towards a bio-economy can serve waste reduction and energy diversification objectives. Whilst technologies continue to develop that are capable...
Chapter
Food waste is generated in enormous quantities globally. Due to its organic- and nutrient-rich composition, food waste is a potential feedstock for the production of energy and value-added products. In many countries, food wastes are currently landfilled or incinerated together with other combustible municipal wastes for possible recovery of energy...
Article
The application of nanotechnology has become inevitable in almost all sectors such as pharmaceuticals, food and beverages, electronics, transport, etc. The continuous development in the area has led to the emergence of the polymer nanocomposites. The polymer nanocomposites due to their improved mechanical, thermal, electrical, optical, and magnetic...
Article
Full-text available
The thermal efficiency of conventional solar air heaters could be significantly improved by making some design configurations. In this study, a solar chimney air heater was employed and the effect of glazing, fins and convection (natural/forced) on the thermal efficiency of the heater was investigated. It was found that the incorporation of glazing...
Article
Full-text available
As coals are fast depleting, suitable means of substituting coal need to be explored. In this work, a feasibility study of co-firing lignite with char was investigated. Some locally abundant biomass were slow pyrolyzed. The pyrolyzed chars were characterized and their fuel properties were compared with that of Neyveli lignite. The study indicated t...
Article
Full-text available
This study investigates the effect of controlling parameters of slow pyrolysis and steam gasification on the generation of hydrogen. Some native biomass wastes were first slow pyrolyzed and generated chars were then steam gasified to generate hydrogen. In slow pyrolysis, parameters such as temperature, residence time and particle size were optimize...
Article
Land applied disposal of waste tires has far-reaching environmental, economic, and human health consequences. Pyrolysis represents a potential waste management solution, whereby the solid carbonaceous residue is heated in the absence of oxygen to produce liquid and gaseous fuels, and a solid char. The design of an efficient conversion unit requires...
Article
Full-text available
As coal is fast depleting, suitable means of substituting coal need to be explored. In this work, a feasibility study of co-firing lignite with char was investigated. Some locally abundant biomasses were slow pyrolysed. The pyrolysed chars were characterized and their fuel properties were compared with that of Neyveli lignite. The study indicated t...
Article
The decomposition kinetics of low grade coals was studied and compared with the kinetics of higher grade coals using thermogravimetric analysis. The effect of atmospheres (air, O2 and N2) on coal decomposition kinetics was also investigated. Experiments were carried out under non-isothermal conditions from room temperature to 950 °C at a heating ra...
Chapter
Adsorption techniques are widely used for the removal of various classes of pollutants from water due to their mild and facile operating conditions. The operations involved in the adsorption techniques are environmentally friendly, economical, highly selective on pollutants, highly efficient and easily operative. However, the adsorption of heavy me...
Article
Waste tyres have become a grave concern as their accumulation is aggregating every year. Not only the size of waste tyre has to be reduced, but also some useful energy has to be recovered out of it as the world badly requires energy from alternate sources. Pyrolysis is one such method to extract energy potential products from waste tyres. It is ext...
Article
Full-text available
Thermochemical and biochemical routes are the two potential energy recovery modes from biomass. Irrespective of the methods employed, a better understanding of biomass fuels is essential as it projects storage, handling, and transportation issues. Knowledge on the properties of biomass also helps in the design of process equipment, prediction of pr...
Article
Full-text available
In this work, the effect of temperature on the char yield of untreated rice husk, cellulose removed (hemicellulose + lignin), hemicellulose removed (cellulose + lignin), and lignin removed (cellulose + hemicellulose) is investigated. The work compares the performance of acid and alkaline hydrolysis in the context of lignin removal as well. The effe...
Article
The present work on microwave pyrolysis of bagasse aims at maximizing the bio-oil and gas yield by optimizing reaction time, biomass to microwave absorber ratio, and microwave input power. Further, the performance of two microwave absorbers, glycerol and char, are compared. Experiments are conducted with varying: contact time (5, 10, 20, 30, and 60...
Article
Composting can be used to break down the complex biomass components which can influence slow pyrolysis products. In this work, the effect of composting on slow pyrolysis products of rice husk and wheat husk at different temperatures is investigated. It was found that in rice husk, composting yielded a 2.63–16.33% increase in char yield. In wheat hu...
Article
Lignin, cellulose and hemicellulose are the major components of biomass. The chemical reactivities of the biomass are affected by the difference in chemical structures making the knowledge of their composition, essential to predict the efficiency of the biomass conversion process for utilizing bio-energy, which is of immense importance for successf...
Article
The present work aims at improving the generation of H2 from sugarcane bagasse in steam gasification process by incorporating slow pyrolysis technique. As a bench scale study, slow pyrolysis of sugarcane bagasse is performed at various pyrolysis temperature (350, 400, 450, 500 and 550 °C) and feed particle size (90<DP <212, 212< DP <355, 355<DP <50...
Article
Full-text available
The comparative performance of a solar still and a solar still-flat plate collector system has been studied for the actual environmental conditions of Trichy, Tamilnadu, as a measure to improve the efficiency of the solar still. Performance of a solar still with fresh tap water and saline water has been studied followed by a combined solar still-fl...
Article
Hydrogen, the inevitable fuel of the future, can be generated from biomass through promising thermochemical methods. Modern-day thermochemical methods of hydrogen generation include fast pyrolysis followed by steam reforming of bio-oil, supercritical water gasification and steam gasification. Apart from the aforementioned methods, a novice techniqu...
Article
Steam gasification is considered one of the most effective and efficient techniques of generating hydrogen from biomass. Of all the thermochemical processes, steam gasification offers the highest stoichiometric yield of hydrogen. There are several factors which influence the yield of hydrogen in steam gasification. Some of the prominent factors are...
Article
In this work, thermogravimetric analysis is carried out on four different biomass samples such as bagasse, coir–pith, groundnut shell and casuarina leaves to study their thermal behaviour. Analysis is put through in an inert nitrogen atmosphere from ambient temperature to 800°C at a heating rate of 10°C/min. Three reaction zones corresponding to de...
Article
Full-text available
The performance of an indirectly heated natural convection solar dryer on banana has been studied in this work. The work is focused at reducing the moisture content of ripened banana to the permissible limit. The system is a passive system as no external energy is employed for its operation. Banana is chosen as the matter of study because of its ab...
Article
Full-text available
Inclined solar water distillation systems (ISWDS), one with bare plate and the other with black cloth wick are designed and tested under actual environmental conditions of Trichy, Tamilnadu, India. In basin type solar still systems, the feed water falls down on the absorber plate and fresh water and hot water are produced simultaneously. In the inc...

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Projects (3)
Project
The project aimed at producing value-added biochar product from food waste. Hence, it helped create a market for waste instead of dumping a type of waste that is generated in abundance globally. It is based on the use and application of the concept of "circular economy." A number of papers have resulted from this research work. Please check them, download, read, cite and share with interested researchers.
Archived project