Jyoti Mittal

Maulana Azad National Institute of Technology, Bhopal | MANIT · Department of Chemistry

This study explores the detailed characterization of a biosorbent (Hen Feather) and its efficient use in eradicating the azo dye Metanil Yellow (MY) from its aqueous solutions. Effects of a range of experimental parameters, including pH, initial dye concentration, biosorbent dosage and contact time on the adsorption, were studied. A detailed physic...

Pesticides are being employed for large-scale agricultural purposes, leading to global environmental issues. Organochlorine pesticides (dieldrin, DDT, and aldrin) are persistent due to their stable nature. Organochlorine pesticide (OCPs) residues present in various foodstuffs, blood serum, air, water, soil and sediments have generated a global surg...

2,4-Dinitrophenol (2,4-DNP) is a toxic compound that is widely used in many industrial and agricultural processes. This compound has low biodegradability in the environment due to its aromatic structure, and it is unsuccessfully eliminated by other chemical methods. Therefore, in this study, an integrated oxidation and reduction method was used to...

Paper reports the improved adsorption efficiency of Fe-based MOF in the dye removal of Eosin using Cu doping. We used the solvothermal route to synthesize the Cu-Fe-BDC MOF and used multiple techniques for its structural and microstructural characterization including FTIR, XRD, SEM, EDS, and TEM. The effect of various process parameters such as pH...

Incessant advancement of industry and agriculture has amplified organic pollutants contents in recent years causing grave threat to environmental well-being. With time, adsorption has established as an effective and financially advantageous process for the elimination of organic contaminants, like dyes, phenolics, pesticides, polynuclear aromatics...

The rapid population growth in the world has resulted in industrial growth, deforestation, and increased use of synthetic agricultural chemicals, thus resulting in pollution of water bodies and land. Pesticides are widely used in agricultural practices and are being known to provoke a major environmental problem worldwide. The pesticides which are...

Herein, we report the synthesis of a novel bio-nanocomposite (Alg-Cst/Kal) for the effective removal of the dye “Crystal Violet” from its aqueous solutions. In order to observe the surface morphology and functional groups, the bio-nanocomposite was characterized using various techniques such as SEM, EDX, TEM, FTIR, XRD, and TGA. The effect of param...

The present report is an outcome of investigations to assess the adsorptive potential of a synthesized metal- and halide-free variant of ordered mesoporous carbon (OMC) towards an anionic azo dye, Methyl Orange. The results of preliminary studies, carried out in batch mode, helped in setting up the process variables to achieve optimum adsorption co...

Adsorption is a very promising and efficient technology for the removal of hazardous pollutants from water. In this regard, clay minerals have gained prime importance because of their natural origin, widespread existence and their unique features. Halloysite is a 1:1 clay mineral which is highly abundant in nature and has proven to be a bio-compati...

Worldwide consumption of hen eggs is quite high, which results into availability of large amount of discarded egg wastes, particularly egg shell (ES) and egg shell membrane (ESM). Disposal of ES and ESM is always a problem particularly to the authorities of food, bakery and poultry units. In recent years, attempts have been made to utilize ES and E...

This chapter outlines the role of Hen Feather as a potential adsorbent for the eradication of the hazardous azo class of dyes from wastewater. It first describes the imperative need for clean water for mankind and the importance of the adsorption technique over other physicochemical methods in the removal of hazardous pollutants from water. In the...

Chromium is one of the hazardous pollutants in industrial effluents. The aim of this research is to investigate feasibility of using waste eggshells for the removal of Cr(VI) ions from its aqueous solutions. Characterization of crushed and sieved eggshell have been carried out using scanning electron microscope, Fourier transform infrared spectrosc...

The present paper is aimed to investigate and develop adsorption methods for colour removal from wastewater using waste material a non-carbon adsorbent Nano alumina (NA). The unique properties of Nano materials have promisingly exhibited in solving many environmental issues. The high surface area and unique adsorption capacity of NA were successful...

The prepared YVO4:Eu3+ nanoparticle was successfully used for the removal of highly toxic Cd2+ metal ion. Batch experiments were performed as a function of various experimental parameters such as effect of pH (2–8), contact time (5–120 min), initial Cd2+ concentration (25–200 mg L−1), and temperature (25–40°C). The equilibrium was established withi...

Removal and recovery of a hazardous halogen-containing dye Eosin Yellow were investigated using Bottom Ash as adsorbent. During the studies various essential factors influencing the adsorption, like sieve size of adsorbent, adsorbate concentration, amount of adsorbent, pH of the solution, contact time, and temperature have been monitored. Attempts...

The adsorption of dye Bismark Brown R has been investigated at 30, 40 and 50 °C temperatures. Various essential factors affecting the extent of adsorption like, adsorbent dosage, dye concentration, pH and contact time have been analyzed. On the basis of Langmuir adsorption isotherms feasibility of the ongoing adsorption has been ascertained and the...

Removal of an anionic azo dye Congo red has been carried out from its aqueous solutions by using hen feathers as potential adsorbent. In the present paper, detailed chemical and physical analysis of hen feathers and its characterization through scanning electron microscope (SEM), X-ray diffractophotometer (XRD), and (infra red) IR measurements has...

The main focus of this research is to develop a systematic method for the removal of a hazardous dye Eosin Yellow from its aqueous solutions by adsorption process. Eosin Yellow is an anionic halogen containing dye which belongs to Flouorescein class. During the batch studies it has been found that Eosin Yellow showed a decrease in adsorption over D...

The discharge of heavy metal pollutants, particularly Cr(VI) ions emerging out from the industries into water, has become a serious concern. In the present study, feasibility of eggshell membrane has been tested for the removal of Cr(VI) ions from its aqueous solutions. The membrane was separated from the eggshells, dried at 40°C for about 3 h and...

Rose Bengal is a halogen-containing fluorescein water soluble dye, which is widely used for medical purposes. The dye, however, is highly toxic and can cause irritation, itching etc. to the human skin and eyes. It is therefore considered worthwhile to develop a systematic method for the removal of Rose Bengal by adsorption processes. The present in...

Attempts have been made to remove toxic dye Yellow ME7GL using electrochemical and adsorption techniques. Both techniques are capable of reducing toxicity and producing clean water for reuse. The electrochemical removal is carried out at platinum electrode and cyclic voltammograms of the dye solutions have been recorded at different pH, concentrati...

This article describes the use of bottom ash [a power plant waste] and de-oiled soya [an agricultural waste] as effective adsorbents for the removal of a hazardous azo dye [Chrysoidine Y] from its aqueous solutions. This paper presents an experimental study and discussion of the adsorption characteristics of this dye on the two adsorbents. The adso...

The adsorption performance of the materials bottom ash (BA), a power plant waste, and de-oiled soya (DOS), a soya bean industry waste for removal of crystal violet dye, has been investigated through batch and column experiments. Batch studies have been performed to describe the impact of parameters such as pH, amount of adsorbent, dye concentration...

Dyes are usually present in trace quantities in the treated effluents of many industries. The effectiveness of adsorption for dye removal from wastewaters has made it an ideal alternative to other expensive treatment methods. This study investigates the potential use of coconut husk (CH), for the removal of Quinoline Yellow dye from wastewater and...

An agricultural industry waste, deoiled soya, and a waste of thermal power plants, bottom ash, have been tested for their adsorption ability to remove Light Green SF (Yellowish) dye from wastewaters. The effects of various essential experimental parameters (dye concentration, mesh size, temperature, and pH) have been investigated. A study of four i...

Bottom ash, a waste of thermal power plants, and deoiled soya, an agricultural waste material, were employed for successful removal and recovery of hazardous phenol red dye from wastewaters. The adsorption characteristics and operational parameters were determined by monitoring different parameters such as effect of pH, effect of concentration of t...

The present study deals with the application of bottom ash, a power plant waste, and deoiled soya, an agricultural waste, for the adsorptive removal of carmoisine A dye from its aqueous solutions. This paper incorporates a comparative study of the adsorption characteristics of the dye on these effective adsorbents along with effects of time, temper...

Deoiled soya, an agricultural waste material, and bottom ash, a waste of power plants, have been successfully used for the removal and recovery of the hazardous water-soluble dye brilliant green from water. To remove the dye from water, batch adsorption studies have been carried out by observing the effects of pH, concentration, amounts of adsorben...

De-Oiled Soya, an agricultural waste material and Bottom Ash a waste of power plants, have been used as adsorbents for the removal and recovery of a triarylmethane dye Fast Green FCF from wastewater. Batch studies have been carried by observing the effects of pH, temperature, concentration of the dye, amount of adsorbents, sieve size of adsorbent,...

Basic fuchsin, a triaminotriphenylmethane dye, was removed by adsorption utilizing two waste materials--"bottom ash," a power plant waste material, and "deoiled soya," an agriculture waste product. The adsorbents were characterized through IR spectroscopy and differential thermal analysis (DTA). Batch adsorption experiments were carried out by meas...

Bottom Ash and De-Oiled Soya have been used as adsorbents for the removal of a hazardous azo dye-Metanil Yellow from its aqueous solutions. Adsorption of Metanil Yellow on these adsorbents has been studied as function of time, temperature, concentration and pH. Batch adsorption studies, kinetic studies and column operations enabled extraction of le...

Bottom Ash a power plant waste material and De-Oiled Soya, an agricultural waste product have been successfully used for the removal and recovery of a hazardous triphenylmethane dye-Methyl Violet, from wastewaters. The characterization of each adsorbent has been carried out by I.R. and D.T.A. curves. Batch adsorption studies have been made by measu...

De–Oiled Soya, an agricultural waste material and Bottom Ash a waste of power plants; have been utilized for the batch removal of a hazardous organic dye Fast Green FCF dye from wastewaters. Under the studies effects of pH, concentration, amount of adsorbents etc. have been observed to optimize the conditions for the effective removal of the dye th...

De-Oiled Soya a waste of Soya oil industries and Bottom Ash a waste of thermal power plants have been used as effective adsorbent for recovery and removal of hazardous dye Methyl Orange from wastewater. During the studies effects of amount of dye and adsorbents, pH, sieve sizes, column studies etc. have been carried out. Adsorption of the dye over...

Tartrazine, a yellow menace, is widely being used in cosmetics, foodstuffs, medicines and textile. It is carcinogenic and also catalyzes allergic problems. In the present work the ability to remove Tartrazine from aqueous solutions has been studied using waste material-hen feathers, as adsorbent. Effects of pH, concentration of the dye, temperature...

The aim of this study is to exploit the hen feathers as adsorbent for the removal of a hazardous dye, Indigo Carmine from simulated aqueous solutions of the dye. Effects of various experimental parameters like pH of the solution, initial concentration of the dye, amount of adsorbent, temperature and contact time have been investigated using a batch...

Erythrosine is a popular dye that is widely used in cosmetics, foodstuffs, medicines, and textiles. It is highly toxic to mankind and can lead to many diseases including carcinogenicity. Removal of erythrosine has been carried out using waste material--hen feathers--as adsorbent. The effects of pH, concentration of the dye, temperature, and adsorbe...

Erythrosine is a water-soluble xanthene class of dye. It is widely used as colorant in foods, textiles, drugs and cosmetics. It is highly toxic, causes various types of allergies, thyroid activities, carcinogenicity, DNA damage behaviour, neurotoxicity and xenoestrogen nature in the humans and animals. The photochemical and biochemical degradation...

An inexpensive adsorption method has been developed for the removal of indigo carmine, a highly toxic indigoid class of dye from wastewater. Waste materials--bottom ash, a power plant waste and de-oiled soya, an agricultural waste--have been used as adsorbents. Attempts have been made through batch and bulk removal of the dye and both the adsorbent...

Adsorbents, Bottom Ash (a power plant waste) and De-Oiled Soya (an agricultural waste) exhibit good efficacy to adsorb a highly toxic dye, Tartrazine. Through the batch technique equilibrium uptake of the dye is observed at different concentrations, pH of the solution, dosage of adsorbents and sieve size of adsorbents. Langmuir and Freundlich adsor...

Two waste materials—bottom ash, a power plant waste, and de-oiled soya, an agricultural waste—are meticulously and successfully used as adsorbent for the removal and recovery of a hazardous triphenylmethane dye, Brilliant Blue FCF. Both the materials were characterized by chemical analysis, IR, DTA, SEM and XRD studies. Their physical characteristi...

An azo dye, Acid Orange 7 [p-(2-hydroxy-1 naphthylazo)benzene sulfonic acid] was removed by adsorption over two waste materials, namely, bottom ash, a power plant waste, and de-oiled soya, byproduct obtained during the processing of soybean in soya oil extraction mills. Both waste materials showed excellent adsorption abilities and can be treated a...

The paper describes the effect of red mud filler on dielectric constant of polymethyl methacrylate. The studies were carried out in the temperature range 35-80°C and frequency range 400 Hz to 100 KHz. The results also show that the filling of red mud increases the magnitude of dielectric constant of polymethyl methacrylate.

Temperature variation is investigated for the dielectric constant of polar polymer, pure polymethyl methacrylate (PMMA). Measurements were carried out in the temperature range 35-80°C at various applied a.c. frequencies. The obtained results indicate that the dielectric constant and dielectric loss increases with increase in temperature due to enha...

A systematic and detailed study of the transient charging and discharging currents on unstretched and stretched polypropylene (PP) films was carried out. Based on the results, the effects of temperature, poling field and stretching percentage on these films were clarified.