Dipika Jaspal

Symbiosis Institute of Technology · Applied Science

During the transportation of oil, various oil‐spill incidents are reported. The utilization of oil sorbents for the treatment of oil spills is a promising approach among the all‐existing solutions. Nonbiodegradability and non‐renewability are the two major issues in the case of synthetic oil sorbents. In this review, the use of biodegradable polyme...

As the population continues to grow, the preservation of the world's water resources is becoming a serious challenge. The seawater desalination process is considered a sustainable option for the future. The two most common technologies used in desalination are reverse osmosis (RO) and membrane distillation (MD). However, membrane fouling caused by...

Excessive application of fertilisers and illegal land disposal of untreated industrial wastewater leads to mounting nitrate content in surface and ground water sources. Conventionally explored methods have their own limitations giving rise to the need for advanced methods which are cost-effective and cause complete destruction of nitrate. In t...

Aluminium doped zinc oxide (AZO) nanomaterials (Al x Zn 1-x O) with x fraction varying as 0.02 and 0.04 were synthesized using the auto-combustion method using glycine as a fuel. The synthesized catalysts were characterized with X-ray diffrac-tion (XRD), UV-Visible Spectroscopy (UV-Vis), Raman spectroscopy, Photoluminescence (PL) spectroscopy, and...

Currently, as the population continues to grow, the preservation of the world’s water resources is becoming a serious challenge. The seawater desalination process is considered a sustainable option for the future. The two most common technologies used in desalination are reverse osmosis (RO) and membrane distillation (MD). However, membrane fouling...

Role of Bacteria for the Recovery of Precious Metals from E-waste Dipika Jaspal, Smita Jadhav & Prashant Mahajan Chapter First Online: 02 March 2023 156 Accesses Abstract Electronic waste (e-waste) is the fast-growing waste produced all over the world, which is estimated to be 20–50 million tons. Printed circuit boards (PCBs) and other electronic...

Zinc oxide nanoparticles were synthesized using glycine nitrate solution combustion synthesis. The character ization was carried out using powder X-ray diffraction (XRD), Fourier transform infrared spectra (FT-IR), pho toluminescence and Ultraviolet –Visible (UV–Visible) and Field emission SEM (FESEM) techniques. X-ray diffraction and Fourier tran...

Disposal of treated effluents in water bodies or centralized effluent treatment plants may serve an immediate purpose of wastewater remediation, but this does not curtail the fate of contaminant build-up over a long period. The existing methods of treatment of different wastewaters should be modified in such a way that the wastewater is suitable fo...

Research in the field of nanoscience and nanotechnology has witnessed significant progress in the last few years. The synthesis of nanoparticles and microparticles for the improvement of functionality of several processes has paved ways for innovation into uninvestigated methods of developing these particles. Significance should be given to such me...

The phosphorus (P) removal performance of Constructed Wetlands (CWs) depends on the utilization of suitable material as the substrate. In this study, the focus has been drawn on the screening, leading to the use of waste materials for removal of P from wastewater in CWs, which will have an additional benefit of reuse to promote sustainability of re...

Cheminformatics has entrenched itself as a core discipline within chemistry, biology, and allied sciences, more particularly in the field of Drug Design Discovery and Development. The article begins with a patent analysis of the progressing field of cheminformatics from 1996 to early 2021 using the Relecura and Lens patent database. It proceeds wit...

Rapid industrialization has led to an increase in the number of textile industries. The effluent from these industries comprises of several contaminants majorly dyes, which are let into the water streams untreated. There have been several techniques and materials tested for the elimination of these contaminants. The adsorption technique is one of t...

With the increase in industrialization, there has been a rise in the number of textile industries. Effluent from these textile industries is disposed in various water streams and water bodies. Textile wastewater carries a mixture of several substances, predominantly dyes, and heavy metals. Dyes and heavy metals present in textile wastewater are tox...

The foibles in extant wastewater treatment technologies release untreated nitrate and ammonia containing compounds into different potable water sources. The toxicity and fatal effects of entrained nitrate and ammonia produce lethal health consequences upon being consumed. Novel methods obtained by combining light, electrical, and chemical energy ha...

Cheminformatics has entrenched itself as a core discipline within chemistry, biology, and allied sciences, more particularly in the field of Drug Design Discovery and Development. The article begins with a patent analysis of the progressing field of cheminformatics from 1996 to early 2021 using the Relecura and Lens patent database. It proceeds wit...

Constructed Wetland (CW) has gained popularity as an eco‐friendly technology for ease of operation and maintenance. This paper critically reviews and summarises the research carried out to date on several approaches for integration of CW with other methods of treatment, exploring several novel modes of operation and factors, to improve the remediat...

Research related to phosphorus (P) removal in domestic wastewater treatment has increased manifolds due to stress on freshwater resources globally. Constructed Wetlands (CWs) have gained popularity as an innovative, sustainable, and cost-effective technology in this direction. This review summarizes the various patenting patterns and innovations re...

Clean water is one of the most essential components for almost all industries. Reuse of wastewater is becoming the only weapon to combat the growing scarcity of clean water. Materials such as mineral sorbents, activated carbons, peat, chitin, etc., have been used as adsorbents for the treatment of textile wastewater. Activated carbon has been comme...

Worldwide textile industry is one of the most dominating industries among all-existing, contributing to 14% of the total industrial production and to the economy. Even though textile industries have enriched our lives by giving us valuable products, at the same time these have also led to environmental pollution. Textile waste contains dyes along w...

There has been an exceptional rise in the number of industries in recent times, resulting in a leap in pollution caused, in addition to a large amount of waste being generated. Industrial pollution affects the entire ecosystem, predominantly the air, water, and soil. Remediation of air, water, and soil from industrial pollutants thus becomes a matt...

Phosphorous (P) has been a component causing eutrophication of the water bodies. Adsorption has been broadly acknowledged as one of the best techniques for phosphate elimination and retrieval. Commonly used materials for adsorption of P have shown low removal capacity, creating the need to explore more efficient adsorbents. The present work aims to...

The wastewater treatment industry is constantly evolving to abate emerging contaminants and to meet stringent legislative requirements. The existing technologies need to be modified, or new innovative treatment techniques need to be developed to ensure environmental protection and secure sustainability in the future. Emphasis is mainly on nutrient...

Artificial intelligence (AI) is nowadays an upcoming technology. It is a practice of simulating human intelligence for varied applications. When compared with the standard practices, AI is developing at a rapid rate. AI has proved its worth in several areas such as agriculture, automobile industry, banking and finance, space exploration, artificial...

A bibliographic study of the different publication trends in waste water treatment have been carried out from 2000-2019, and presented in the manuscript. The study revolves around publications considering waste water treatment of insecticide, pesticide, dyes, heavy metals, containing waste water. The growth of research in waste water treatment in t...

In the quest to find an eco‐friendly, cost‐effective and efficient alternative to expensive and non‐biodegradable activated charcoal (AC), in the current study the potential of a weed, parthenium hysterophorus (PH), has been explored as a bio‐adsorbent for purification of textile wastewater. Root, stem and leaves of PH weed have been used as bio‐ad...

Textile wastewater purification is a challenging process. Conventional wastewater treatment methods either lack in efficiency, cost‐effectiveness or leads to the generation of secondary pollutants. Additionally, some treatment methods are time‐consuming. The research presented in the manuscript is a blend of filtration, biosorption, aeration, solar...

In the present research Polyaniline (PANI) has been prepared by chemical polymerisation using oxalic acid (OA) as a dopant. Removal of Methyl Orange (MO), (Sodium 4-{[4-(dimethylamino) phenyl] diazenyl} benzene-1-sulphonate), from wastewater, has been carried out using Oxalic acid (OA) doped Polyaniline. Breakthrough curves have been obtained from...

n adsorbent doped polyaniline (PANI) has been explored for the elimination of a cationic azodye, basic red 46 (BR-46), from textile effluent. Essential factors from batch mode have been studied to investigate their effect on the removal of BR-46. The investigated data have been applied to two prevalent adsorption isothermal models (i.e., Langmuir a...

A facile and a novel method for synthesis of poly(o-toluidine)-Li nanocomposite, in an aqueous medium, by in-situ method, has been reported. The composite has been synthesized using green route method and explored as a material for energy storage. Characteristics of the synthesized nanocomposite have been studied using Fourier transform infraredspe...

The present invention relates to a method (100) of purification of textile wastewater effluent by adsorbing a textile dye over a surface of a modified adsorbent. The modified adsorbent in this case is a modified polyaniline (PANI) adsorbent. The method may comprise various steps such as adding (102) of the textile wastewater, adjusting (104) the co...

Today the world is facing a major problem of getting rid of wastewater safely so that it does not disrupt the environment. The existing infrastructure and management systems are not adequate to cater to the increasing volume and changing quality of pollutants. Therefore, it becomes essential to manage wastewater and to use appropriate technologies...

The present invention relates to a method (100) of purification of textile wastewater effluent by adsorbing a textile dye over a surface of a modified adsorbent. The modified adsorbent, in this case, is a modified poly (N-ethylaniline) (PNEA) adsorbent. The method may comprise various steps such as adding (102) of the textile wastewater, adjusting...

S Lithium-ion nanoparticles have been prepared by using natural binding material as a capping and reducing agent. The characterization was carried out using UV-visible spectroscopy, X-ray diffraction (XRD), FTIR, and SEM techniques. The First Emission Scanning Electron Microscopy (FE-SEM) analysis portrayed the granular morphology of the synthesize...

Finding an economical, efficient and easy handling alternative for commercial grade activated charcoal (AC) in textile wastewater treatment is a dire need. To address this, a noxious weed water hyacinth (WH) has been explored as a 'biosorbent' for the decolorization of the hazardous textile dye, Remazol Brilliant Red 3BS (RBR 3BS) in wastewater. A...

The focal point of the study lies in the comparative evaluation of the kinetic data involved in the eradication of toxic dyes from waste waters using adsorption technique. The investigation reveals the dynamic adsorption behavior of two hazardous textile dyes viz. Metanil Yellow and Methyl Orange over Bottom Ash, an industrial waste material. The i...

The present disclosure relates to a system (100) and method (200) for treatment of a textile wastewater effluent by decolorization and removal of textile dyes. The decolorization and removal of textile dyes is achieved by adsorbing the textile dyes over a surface modified weed bio-sorbent unit (103). The biosorbent unit (103) comprising a surface m...

Augmentation and operative facilitation of English grammar pedagogy has been the primary motive behind writing this paper is the. Focus has been laid on varied tools; which can be easily used in a language classroom for effective language learning. As Grammar is the foundation stone for effective speaking as well as writing in a language; it plays...

The review deals with different kinds of composites which have been used for wastewater treatment. The use of different types of composites ranging from nanocomposites, activated charcoal composites, polymer composites, oxide-based composites, hybrid composites, and biosorbent composites, etc. has been dealt with in detail, and presented as a centr...

The manuscript presents a bibliographic study of the research carried out in wastewater treatment from 2000-2019. The paper makes a particular reference to the elimination of dyes, heavy metals, insecticides, and pesticides. The data available in the databases, namely Scopus, Web of Science, have been taken under consideration and analyzed. The tre...

A potential polymeric adsorbent, doped polyaniline (PANI) has been investigated for the eradication of the hazardous dye tartrazine from textile effluent. During the adsorption process, the influence of the acidic character of the adsorbate, pH, dose of the adsorbent, dye concentration and time of contact between the adsorbent and adsorbate were ev...

The present disclosure relates to a system (100) and method (200) for treatment of a textile wastewater effluent by decolorization and removal of textile dyes. The decolorization and removal of textile dyes is achieved by adsorbing the textile dyes over a surface modified weed bio-sorbent unit (103). The biosorbent unit (103) comprising a surface m...

The delicate balance maintained by natural activities in the environment has been drastically affected by several anthropogenic activities. Different industries consume hazardous synthetic substrates and release their effluent, which leads to contamination and deterioration of the natural resources in which they are expelled. Human, as well as flor...

An unmodified natural adsorbent, Xanthium Strumarium, was explored for its decoloration potential for treatment of textile effluents. Batch mode experimentation was carried out to optimize several process parameters with the well characterized adsorbent. For proper assessment of optimized pathway of adsorption, adsorption isotherms were implemented...

Decolorisation of a complex mixture of two different classes of textile dyes Direct Red 81 (DR81) and Rhodamine B (RHB), simulating one of the most important condition in real textile effluent was investigated onto deoiled Argemone Mexicana seeds (A. Mexicana). The adsorption behaviour of DR81 and RHB dyes was simultaneously analyzed in the mixture...

The reaction rate of enolisation of p-Chloroacetophenone has been studied in the presence of amino acids viz. β-alanine, DL-alanine, L-alanine and Glycine. Maximum reaction rate was observed in the case of β-alanine at 22 M concentration. The effect of parameters such as effect of ketone concentration, effect of dielectric constant, effect of catal...

Treatment of polluted water has been considered as one of the most important aspects in environmental sciences. Present study explores the decolorization potential of a low cost natural adsorbent Xanthium strumarium L. seed hull for the adsorption of a toxic xanthene dye, Rhodamine B (RHB). The characterization of the adsorbent revealed the presenc...

Poly(N-ethyl aniline)/iron nanocomposite has been successfully synthesized using interfacial polymerization processCharacterization of the prepared material was carried out by UV-Vis Fourier transform infrared spectroscopy (FTIR), XRD, scanning electron microscope, energy-dispersive X-ray analysis, and transmission electron microscopy (TEM) techniq...

Intrusion of synthetic textile dyes in the ecosystem has been recognized as a serious issue worldwide. The effluents generated from textiles contain large amount of recalcitrant unfixed dyes which are regarded as emerging contaminants in the field of waste water study. Removal of various toxic dyes often includes diverse and complex set of physico-...

Poly (N-ethyl aniline)/Ag organic–inorganic composite has been synthesized by a single step in situ chemical oxidative polymerization method. The synthesis of Poly (N-ethyl aniline)/Ag nanocomposite has been confirmed by X-ray diffraction (XRD), Ultraviolet-Vis Spectroscopy (UV-visible), Fourier transform infrared analysis (FTIR) and FE-SEM investi...

The present study aims at exploring the potential of the seeds of a tropical weed, Argemone mexicana (AM), for the removal of a toxic xanthene textile dye, Rhodamine B (RHB), from waste water. Impact of pH, adsorbent dosage, particle size, contact time and dye concentration have been assessed during adsorption. The weed has been well characterized...

A low cost adsorbent has been tested for its adsorption ability to remove a hazardous dye from textile wastewater. The present paper assesses the results pertaining to the investigation conducted on removal of a di azo sulphonated dye, Direct Red 81 by adsorption onto a natural adsorbent, Argemone mexicana. The adsorption studies were carried out i...

Heavy metals and dyes are major contributors in contamination of water streams. These contaminants enter into our eco- system, thus posing a significant threat to public health, ecological equilibrium and environment. Thus a combined discharge of these contaminants results in water pollution with high chemical oxygen demand, biological oxygen deman...

Water plays a vital and essential role in our ecosystem. This natural resource is becoming scarce, making its availability a major social and economic concern. Use of a large variety of synthetic dyes in textile industries has raised an hazardous environmental alert. About 17 - 20% of freshwater pollution is caused by textile effluents. These efflu...

Treatment of textile waste water has emerged as a great matter of concern amongst scientific community because of essentiality and scarcity of this valuable natural resource. Various techniques have been employed for waste water treatment, amongst which use of natural materials have made a significant contribution in the area of sustainable environ...

We the Department of Chemistry, Scott Christian College (Autonomous) putforth the National Conference on Innovations in Chemical Sciences and Technology NCICST- 2015 covering the concepts in order to update the various version of chemistry. It is the sincere hope of organizers of NCICST 2015, that the deliberations and proceedings of the conference...

Eco-friendly synthesis of iron nanoparticles was achieved by a novel, facile green route method using Abelmoschus esculentus as a reducing and capping agent. The successful formation of iron nanoparticles has been confirmed by X-ray diffraction, UV-visible, FTIR, FE-SEM and TEM analysis. The prepared nanoparticles have been tested for antibacterial...

A facile, green route method has been developed for the synthesis of silver nanoparticles. A single step ecofriendly approach has been employed usinga natural polymer, okara juice (Abelmoschus esculentus) as a binding agent, along with mandelic acid as reducing agent. UV-visible absorption spectrum recorded for the solution has shown significant ba...

A power plant waste material, bottom ash, has been used for the adsorptive removal of hazardous Azo dyes, Methyl Orange and Metanil Yellow from wastewater. In the present research the adsorption characteristics determined from the primary studies help in developing an efficient dye removal methodology. Theoretical aspects of isothermal models, calc...

Amino acids have been used as catalysts for the study of kinetic of enolisation of m-Methylacetophenone, in which iodination has been the chosen method. Several parameters like effect of ketone concentration, effect of dielectric constant, effect of catalysts etc. have been investigated for their effect on enolisation kinetics. The study is focused...

Water is the most vital element for life on earth. Almost 70% of the earth's surface is covered with water but still the useful portion is very low. Therefore it becomes essential to reuse this fundamental element. Fast urbanization and industrial development in the industries like textile, rubber, paper, leather and plastic has resulted in the rel...

m-Nitroacetophenone was chosen for the study of kinetics of enolisation. The rate of the reaction was studied by iodination. The kinetics of the reaction was monitored under several conditions of variation of ketone concentration, dielectric constant of the medium , temperature, effect of catalyst etc. In addition to this four different amino acids...

Synthesis of nano materials using novel and ecofriendly methods is under expedition. A novel green route method has been adopted for the preparation of silver nanoparticles, using Abelmoschus esculentus (Okra) juice as a natural binder. XRD, FTIR, UV-Vis, FE-SEM and TEM have been employed for characterization. UV-Vis analysis of the nanomaterial ga...

The world’s ever increasing population and the progressive adoption of an industrial based life style has inevitably led to an increased anthropogenic impact on the environment. Textile waste water is a source of pollution which has its effects on the ecology and environment. Synthetic textile dyes used are lost during manufacture and processing op...

Biomolecules (Amino Acids) have been used as catalysts for the study of kinetics involved in enolisation of acetophenone and p-bromoacetophenone, and comparative study has been carried out. The process of enolisation has been studied by halogenation reactions using iodine. The stoichiometery was determined in each case and the kinetic reactions hav...

An in-situ technique has been developed to synthesized a Poly(N-ethyl aniline)-ZnO nanocomposite, which exhibits a superlative ethanol gas sensing. ZnO nanoparticles were synthesized by using natural bio-polymer. An ammonium per sulphate as oxidant and (DL) Tartaric acid as reductant to form the Poly(N-ethyl anilne)-ZnO nanocomposite. FTIR, SEM, UV...

The adsorption of the brilliant green (BG), fast green FCF (FCF) and phenol red (PR) dyes over waste materials like bottom ash (BA) and de-oiled soya (DOS) was investigated. Subsequent desorption was carried out using a suitable eluent. The eluent emerging out of the column was analyzed spectrophotometerically. The percentage saturation of the colu...

This article describes the use of a power plant waste-Bottom Ash, as effective adsorbent for the removal of toxic Azo dyes Carmoisine and Chrysoldine Y from their aqueous solution. The paper incorporates comparative study and discussion of the adsorption characteristics of these dyes on the economically effective adsorbent with special emphasis on...

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...

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...

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,...

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...