Search
920 articles for “environmental”
-
Bacterial Exopolysaccharides and Their Applications: A Short Review
Abstract: Extracellular polymer substances (EPS) are metabolic products of bacteria which accumulate on thecell surface and serve as a protective layer against harsh environmental condition. EPS also serve asa source of energy during the starvation of bacteria. The major structural component of EPS ispolysaccharide, commonly known as exopolysaccharide, is either neutral or polyanionic in nature.Polysaccharides in EPS found different in sugar compositions and moieties, chain length, repeatingunits and substitutions in the …
Published in International Journal of Analytical and Applied Chemistry · Vol. 7, Issue 1, 2021 · pp. 40–46 Read article
-
Designing Brake Fluids for Modern Cars; Key Aspects
Abstract: The advancement of technology in almost all areas such as materials, electronics, communication, Information Technology, machines, electronics, instrumentation, control systems, etc. made it possible to have the modern cars of the type that were not possible decades ago. There exist materials today that are much lighter than the metals but at the same time stronger than metals. This helped in attaining higher speeds on the one hand and much superior …
Published in International Journal of Analytical and Applied Chemistry · Vol. 9, Issue 2, 2023 · pp. 1–14 Read article
-
Lantana camara Leaves: An Important Source of Allelochemicals
Abstract: Allelopathy may provide alternatives to synthetic herbicides for weed control. Allelopathy is a unique, natural and an environment-friendly technique that may be used for weed control. Lantana camara has allelopathic properties which effect in the germination and growth of surrounding plants. The aqueous leaf extract of L. camara was found to have inhibitory effect on germination of Parthenium hysterophorus. The results indicated that the inhibitory effect was much more pronounced …
Published in International Journal of Chemical Separation Technology · Vol. 1, Issue 2, 2015 · pp. 5–9 Read article
-
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
-
Rheological Study of Waste Polyethylene Terephthalate with Bitumen Mix in Pavement Construction
Abstract: Plastic bags which are composed of polyethylene terephthalate (PET) is commonly used as for soft drink, water bottles and many other applications. However, disposal of this waste PET in large quantities constitutes an environmental problem, as it is considered as non-biodegradable materials. This study investigated rheological study of waste PET to be mixed with bitumen use as a raw material for pavement construction. The effect of temperature was varied from …
Published in International Journal of Chemical Separation Technology · Vol. 4, Issue 1, 2018 · pp. 36–48 Read article
-
Comparison study on effect of ethanol and HOME biodiesel blends on the Performance and emission characteristics of CI engine with and without Preheat
Abstract: The internal combustion engines used in Propulsion, Transportation and marine applications, will leads to socio economical growth of any country. The emissions from the fossil fuels leads too several environmental issues like inexperienced homes impact, gas depletion etc. This paper depicts the use of biodiesel as an alternative source of energy for an IC engine. The experimental investigation were carried out on single cylinder 4-stroke compression Ignition (CI) engine operating …
Published in International Journal of Chemical Separation Technology · Vol. 4, Issue 2, 2018 · pp. 19–26 Read article
-
Distribution Parameter Concentration of Alkalinity and Total hardness in Stagnant Water Environment: The Concepts of Oil and Gas Emission Influence
Abstract: Model for predicting the distribution parameter concentration of alkalinity and total hardness in stagnant water environment upon the influence of oil and gasemission was investigated in this paper. The model was formulated from the basic principle of mass and momentum concept which was resolved to obtain an ordinary differential equation. A mathematical tool known as the least square method was applied to resolve the differential equation to obtain quadratic equation …
Published in International Journal of Chemical Separation Technology · Vol. 6, Issue 1, 2020 · pp. 14–22 Read article
-
Current applications for functionalized silver nanoparticles: A Review
Abstract: Nanotechnology in today’s scenario plays a pivotal role in various fields. Metal nanoparticles are becoming important in various disciplines of catalytic application, environmental remediation, etc. Functionalization of metal nanoparticles has been performed either by biomolecules or chemical functional groups that not only provide stability to the nanoparticles but also surface functionalities which makes them important for various applications. Silver nanoparticles are functionalized with amino acids in order to achieve a …
Published in International Journal of Chemical Separation Technology · Vol. 6, Issue 1, 2020 · pp. 6–13 Read article
-
Development of Momentum Transfer and Kinetic Model for Hydrocarbon Degradation in a Flowing Stream
Abstract: ABSTRACTA momentum transfer and kinetic model for prediction of individual hydrocarbon degradation in a flowing stream system has been developed in this study. This model was developed to monitor, predict and simulate degradation of individual hydrocarbon in most flowing streams in the Niger Delta region of Nigeria. The model was developed from first principle using plug flow reactor concept. It was simulated with MATLAB R2007b software using data of crude …
Published in International Journal of Chemical Separation Technology · Vol. 6, Issue 2, 2020 · pp. 17–34 Read article
-
Resourced morphological issued to gallium
Abstract: AbstractThis article summarizes some formatives over gallium (Ga) form associated minerals and waste electronic goods. Geological resource has considerations over sea-in-basins performor natural beneficiation from products of volcanic disruptions. Ga as by-product has extracted from fly ash, slags, scraps and wastes, mine tailings, mineral deposits those associate Ga, wastes from Zn, Al plants, flue dusts, and coal ashes. Leaching methods are more protocoled than pyrolysis. Locked in quartz Ga deposits …
Published in International Journal of Chemical Separation Technology · Vol. 6, Issue 2, 2020 · pp. 12–16 Read article
-
RECENT DEVELOPMENTS ON VOLATILE DEEP EUTECTIC SOLVENTS FOR APPLICATION IN CRYSTALLIZATION OF PHARMACEUTICAL COMPOUNDS.
Abstract: Crystallization is one of the most effective separations and purification methods used in the pharmaceutical and fine chemical industries. Volatile organic solvents are widely used in the crystallization of pharmaceutical compounds. Some properties of these solvents such as volatility, instability, combustibility,unpredictable nature, and toxicity are undesirable. In therecent years solvents known as ionic liquids and deepeutectic solvents (DES) derived from ionic liquidsgain importance due to the interesting properties as solvents. …
Published in International Journal of Chemical Separation Technology · Vol. 8, Issue 1, 2022 · pp. 20–26 Read article
-
Optimization and Control of Evaporative Separation Processes
Abstract: Evaporative separation processes are widely used in various industries, including chemical manufacturing, petroleum refining, and food and beverage processing, to separate components based on their vapor pressures. These processes involve the use of equipment such as distillation columns, evaporators, and membrane-based systems, and are critical for ensuring product quality and process efficiency. However, the complexity of evaporative separation processes and the inherent variability in feedstock composition and quality make it …
Published in International Journal of Chemical Separation Technology · Vol. 8, Issue 2, 2022 · pp. 27–31 Read article
-
Electrochemical Sensors: An Intense Mechanism in Scientific World
Abstract: Potentiometric, amperometric and conductometric electrochemical sensors have found a numeral of exciting uses in the areas of environmental, industrial, and clinical analyses. This review presents an overall outline of the three main kinds of electrochemical sensors, relating fundamental characteristics, improvements and their involvement to the area of analytical chemistry, concerning appropriate characteristics of the development of electrochemical sensors.
Published in International Journal of Chemical Engineering and Processing · Vol. 3, Issue 1, 2017 · pp. 41–45 Read article
-
Air Pollution – Its Effects on Health and Environment
Abstract: Air pollution can harm us when it accumulates in the air in high enough concentrations. Millions of Americans live in areas where urban smog, particle pollution, and toxic pollutants pose serious health concerns. People exposed to high enough levels of certain air pollutants may experience Irritation of the eyes, nose, and throat, wheezing, coughing, chest tightness, and breathing difficulties, Worsening of existing lung and heart problems, such as asthma and …
Published in International Journal of Environmental Chemistry · Vol. 1, Issue 1, 2015 · pp. 1–9 Read article
-
Square Wave Pulsed Electrodeposition of Chromium from Deep Eutectic Solvent (DES) Based on Choline Chloride
Abstract: Electrodeposition of chromium from hexavalent chromium ion is very toxic, carcinogenic, not environmentally benign, cathodic efficiency is low, and the quality of coating is very poor (due to H2 evolution). Ambient temperature Deep Eutectic Solvent (DES) can be formed by reacting choline chloride (HOC2H4 (CH3)3Cl) with metal salts. These low cost DES are not sensitive to air and moisture and have good electro-conductivity and they do not have vapour pressure. …
Published in International Journal of Environmental Chemistry · Vol. 2, Issue 1, 2016 · pp. 26–33 Read article
-
Manufacturing and Recycling of Plastic Versus Paper bags: Implications on the Environment
Abstract: Disposable bags although convenient for daily use but they have several risk factors associated when it comes to the environment. As per the estimates of Environmental Protection Agency, approximately five hundred billion and one trillion disposable bags are used each year around the world. Disposable bags and other bags used for day-to-day need are available in diverse types, based on the material they are made of. Here, is an outline …
Published in International Journal of Environmental Chemistry · Vol. 3, Issue 1, 2017 · pp. 9–12 Read article
-
Modeling the Diffusion Characteristics of Sawdust in Crude Oil Medium
Abstract: Over the years, oil spill pollution has become an important issue of concern due to its serious environmental impact; Therefore natural organic sorbent such as Abura sawdust was used for oil spill cleanup due to its availability, eco-friendliness and low cost, and was selected as the preferred sorbent and the effects of sorbent contact time and its particle size on oil adsorption capacity were evaluated for the systems of dry …
Published in International Journal of Environmental Chemistry · Vol. 4, Issue 1, 2018 · pp. 44–57 Read article
-
Existing pollutants reaching the Ganga River: A Mini Review
Abstract: Water is very essential for all forms of life. Rivers can be considered to be the main source of surface water. Most of the time our civilizations were generated on the river bank. However in recent times, the conditions of rivers are very badly affected. The reasons for this due to increase in population growth, rapid industrialization and agriculture methods resulting deterioration of waterquality.The Ganga river system has combined length …
Published in International Journal of Environmental Chemistry · Vol. 6, Issue 1, 2020 · pp. 47–50 Read article
-
Air Pollution: A mini review
Abstract: As per World Resources Institute (1996) World’s population is around 7.06 billion and is expected togrow 10 billion by 2030. Due to the advancement of industrial revolution the polluted gas is pumpedinto the atmosphere which leads to warming the planet earth and rise in sea level which may result inserious food shortage. The global warming resulting from the emission of greenhouse gasesespecially CO2, has become a major concern in the …
Published in International Journal of Environmental Chemistry · Vol. 7, Issue 1, 2021 · pp. 23–26 Read article
-
Assessment of Knowledge and Participation on Households Solid Domestic Waste Management in Some Selected Communities in Bo Southern Sierra Leone
Abstract: A well-managed, effective waste management program increases the health and environmental quality of the country. Therefore, the overall aim of this study was to investigate the knowledge and participation of household solid domestic waste management in some selected communities in Bo city Southern Sierra Leone. The study's objectives were: to determine the different methods of solid wastedisposal, to determine existing household solid waste management practices, to determine the risk factors …
Published in International Journal of Environmental Chemistry · Vol. 8, Issue 1, 2022 · pp. 8–17 Read article