Search
713 articles for “specificity”
-
Chromatography for Chemical Separation: Types and Uses
Abstract: Chromatography is an analytical tool that is used for separating a variety of chemical mixtures. This technique was developed somewhere during the 1940s to 1950s. Initially, the technique had low efficiency with prolonged time of analysis and reduced detection range. Later, the technique was modified and improved to meet the demands of chemical separation technology. Chromatography is broadly categorized into analytical or preparative. Analytical chromatography is used for small sample …
Published in International Journal of Chemical Separation Technology · Vol. 2, Issue 1, 2016 · pp. 24–25 Read article
-
The Performance of Microbial Lipase Immobilized onto Ion Exchange Resins and onto the Natural Zeolite Clinoptilolite
Abstract: The paper describes a study into the performance of a microbial lipase immobilized on to four different ion exchangers. Lipase from the yeast Candida rugosa was immobilized onto the anionic ion exchange resins Dowex MWA-1, Purolite A109, and Amberlite IR45. The performance of the immobilized lipase in each case was evaluated by measuring the immobilization efficiency and by following the reaction kinetics of hydrolysis of a tri-glyceride ester to free …
Published in International Journal of Chemical Separation Technology · Vol. 2, Issue 2, 2016 · pp. 24–32 Read article
-
Production of Waste Animal Bone as a Heterogeneous Solid Base Catalyst for Transesterification of Jatropha Oil
Abstract: Heterogeneous catalyst plays a vital role in transesterification process, especially in view of cost and reusability. In this study, heterogeneous solid base catalyst was prepared by impregnating the waste animal bone with different weight percent (wt%) KOH solution followed by drying and calcination at 900 °C for 3 hr. Having screened the catalytic performance and basicity of animal bone loaded with different K-compounds, 12 wt% KOH loaded on animal bone …
Published in International Journal of Chemical Separation Technology · Vol. 5, Issue 1, 2019 · pp. 28–48 Read article
-
Synthesis, Characterization and Optimization of Essential Oil from Pumpkin Seed
Abstract: The main aim of this research work was extraction, characterization and optimization of essential oil from pumpkin seed, cucurbita pepo variety using ethanol as a solvent. The extraction was carried out by using a Soxhlet, leaching method and oil was separated from solvents by using rotary evaporator. Pumpkin seed was analyzed for proximate analysis and found that moisture content of 5.21 , crude proteins content of 22.50.31%, crude fat content …
Published in International Journal of Chemical Separation Technology · Vol. 7, Issue 1, 2021 · pp. 6–27 Read article
-
Chemical Separation Techniques
Abstract: The compound partition is utilized to decrease the amount of possibly harmful or risky materials released to the climate. Also, divisions that lead to reuse, recuperation, or reuse of materials likewise forestall release. It can help with settling a portion of the natural difficulties, so it turned out to be more significant for scientists, specifically, natural trained professionals. Subsequently, this article expected to assortment data about the compound partition to …
Published in International Journal of Chemical Separation Technology · Vol. 7, Issue 1, 2021 Read article
-
Nanofiltration a chemical separation technique
Abstract: Nanofiltration innovation has made considerable progress since its first commencement in the last part of the 1980s. The essential diaries detailing articles on nanofiltration are the Journal of Membrane Science, Desalination and Separation and Purification Technology. There has been a clear development in the space of natural dissolvable nanofiltration, drug, and organic applications, plan and financial aspects of nanofiltration cycles, and survey articles.Nanofiltration (NF) with benefits of high productivity and …
Published in International Journal of Chemical Separation Technology · Vol. 7, Issue 2, 2021 · pp. 34–38 Read article
-
An Analytical Approach to Calculate the One-Dimensional Drift Velocity in Bubble Columns
Abstract: The design and scale-up of a bubble column reactor require a complete understanding of its complex hydrodynamics, which is influenced by the physical properties of the phases, the operating variables, and the design parameters. Current design procedures for bubble columns involve several steps of pilot-plant experimentation, which is expensive and time-consuming. One of the critical unknown parameters involved in designing any gas-liquid system is the gas holdup. The gas holdup …
Published in International Journal of Chemical Engineering and Processing · Vol. 5, Issue 2, 2019 · pp. 1–9 Read article
-
Parametric Analysis and Optimization of Nuclear Assisted Electrolytic Hydrogen Production System for On-site Applications
Abstract: The use of compact water electrolyser units as an alternative source of hydrogen to the high pressure hydrogen cylinder banks used at present in nuclear and thermal power reactors for turbo-generator rotor cooling applications has been analysed in this work. Financial metrics have been used for assessment of the technology substitution in the nuclear industry in India, primarily by comparing the levelised costs of onsite hydrogen generation in small generators …
Published in International Journal of Chemical Engineering and Processing · Vol. 6, Issue 1, 2020 · pp. 14–26 Read article
-
Chemical Safety in Solid Waste Management
Abstract: Solid waste disposal is a burning issue now-a-days. Municipal solid waste consists of wastes like paper, plastics, glass, metal, food, etc. These wastes come from various sources, may be houses, industries, hotels, etc. This paper focuses specifically on the chemical waste disposal. It is observed that in society many times illegal dumping of toxic chemical waste is done. This is not a good practice. This can pose serious hazard to …
Published in International Journal of Environmental Chemistry · Vol. 1, Issue 2, 2015 · pp. 4–8 Read article
-
Development of Predictive Model on Corrosion of Metals in Swampy Soil Environment
Abstract: The research carried out to examine the usefulness of corrosion in metals in swampy soil. It also reveals the weight loss and corrosion rate in a metal. The following physicochemical parameters which include BOD, COD, pH and microbial activities were modelled. The extent of metal corrosion in swampy soil is dependent on many different and often interrelated factors, trying to predict what may happen to a specific object after wrecking …
Published in International Journal of Environmental Chemistry · Vol. 6, Issue 1, 2020 · pp. 15–29 Read article
-
A REVIEW ON SOUND WAVES AND ITS EFFECTS ON PLANTS
Abstract: The overall performance and development of cell is due to the elongation and proliferation of cell. The interconnection among various phenomena’s and sound waves is a significant topic to study in order to check the various pros and cons of sound waves on different functions of cell. Experiments show that sound waves of various frequencies, SPLS and of different kinds greatly affect the plants. Certain frequency sound waves such as …
Published in International Journal of Environmental Chemistry · Vol. 6, Issue 1, 2020 · pp. 1–14 Read article
-
Electronic Waste Vs Environmental Sustainability: Global Ultimatum to Society
Abstract: We often suppose that the risks of electronic waste solely have an effect on us which come back directlywith it and are in the main a consequence of inappropriate handling. Obviously, this can be right andthere are many studies that proof the risks ensuing from direct contact with harmful materialscomparable to lead, metal or chromium. The studies together alert us concerning however differentelements, let's say brominated flame retardants generate toxic …
Published in International Journal of Environmental Chemistry · Vol. 7, Issue 1, 2021 · pp. 1–5 Read article
-
Deforestation: Causes and Consequences of the Global Crisis
Abstract: Climate change is unavoidable due to the dynamic character of global ecosystems. The reasons of these environmental changes are both man-made and natural. Human activities have always had an impact on the environment. As economic activity and population expansion have risen to the point that they can no longer be disregarded or seen in isolation, the consequences of mankind just on environment could no longer be ignored or examined in …
Published in International Journal of Environmental Chemistry · Vol. 8, Issue 1, 2022 · pp. 29–34 Read article
-
Study of Corrosion Rate in Water Treatment Plant in Oil field
Abstract: The high cost of corrosion, the corrosion engineers concern and its reduction in oil, gas and petrochemical countries is essential about 10% of the cost of producing a barrel of crude oil cost. Corrosion rates in the world costs 42–80 cents a barrel for crude oil is produced, specific climatic conditions, history of the country's refineries and oil production are the main factors affecting the cost of corrosion in oil …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 3, Issue 1, 2017 Read article
-
The new method of purification of the industrial waste waters
Abstract: The main problem in the all existing electrofloatation methods of cleaning is the increase of the alkalization space near the cathode that leads to formation of the salts sediments on the cathode as a result of passing of the electric current through the water environment. The salts so tightly cover cathode’s surface that can cause the total curtailment of the process of electrofloatation. This can be explained by the fact …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 4, Issue 1, 2018 · pp. 34–44 Read article
-
Synthesis and Characterization of Polyurethane in Powder Form
Abstract: Polyurethanes (PUs) are defined as a class of versatile materials with great potential for use in different applications, especially based on their structure-property relationships. Their specific mechanical, physical, biological, and chemical properties are attracting significant research to tailor made PUs for various applications. Enhancement of the properties and performance of PU-based materials are achieved through altering the production process or the raw materials used in their fabrication or via the …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 4, Issue 2, 2018 · pp. 22–27 Read article
-
Magnification of the Mechanism of Enzyme Catalyzed Reaction through Geometric Model
Abstract: The geometric model is dealing with correlation between the “five events for enzyme catalyzed reaction” and “triple point event serving groups on the circle” in triangle obtained for thegraphical presentation of the double reciprocal (1÷S versus 1÷V) for magnification of the mechanism of enzyme catalyzed reaction. This model is based on the nine point circle in triangle of the double reciprocal plot. The five significant points resulted for the circle …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 6, Issue 2, 2020 · pp. 1–25 Read article
-
Synthesis of Various Products from Different Feed Stocks–an Insight Into Application of Biotechnology
Abstract: Synthesis of various products in energy efficient manner with minimum environmental foot print is important area of research in chemical engineering. Chemical pathways are energy intensive and many of the reactions are high temperature reactions. Many compounds like ethanol, amino acids, and acetic acids can be synthesized by biological methods. Biochemical reactions are low temperature reactions under mild conditions. Use of waste material as feedstock for production of useful compounds …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 7, Issue 2, 2021 · pp. 18–21 Read article
-
Several Phases of Binary Liquid Mixture
Abstract: The system’s overall composition, heat, and stress can all be changed independently. Instead of using parameters like the coordinates of a three-dimensional phase diagram, we often generate a twodimensional phase transformation that is either a thermal diagram at a specified pressure or its composition graph at a fixed temperature. The location of the system points on one of these diagrams correlates to a certain heat, stress, and normal phenomenon. As …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 8, Issue 1, 2022 · pp. 30–34 Read article
-
Fluorescence Detection Measurement of Quinine Sulphate Concentration
Abstract: For investigative study and analytical scientific applications, fluorescence spectroscopy analysis is a fantastic instrument. In additional to mineralogy, fluorescent labelling, sensors, and forensics applications, it is often utilised in biological, chemical, pharmaceutical, and medicinal applications. Additionally, it is employed for environmental monitoring, laser-induced chlorophyll fluorescence for agricultural yield evaluations, and the detection of proteins, organic substances, oils, and dyes. Quinine sulphate at a concentration of 10-5 M in 1 M …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 8, Issue 1, 2022 · pp. 25–29 Read article