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213 articles for “Contamination”
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Eco Friendly Water Purifier through UV+RO in Rural Areas
Abstract: ABSTRACTA study on the performance of raw water or tap water purifier was conducted between January to May in 2016. The Raw water or tap water was treated through the “advanced biotech techniques” i.e., solar panel TDS meter, UV lamp, RO membrane, TDS controller and UF (Ultra filtration). It was observed that raw water or tap water is more unhygienic which is very harmful for us. RO membrane and UV …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 5, Issue 2, 2019 · pp. 1–9 Read article
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Improving the growth and yield of Oyster Mushroom (Pleurotus ostreatus) using 1-Naphthaleneacetic Acid
Abstract: Oyster mushrooms (Pleurotus ostreatus) are believed to be capable of stimulating the immune system to fight cancer and constitute a rich source of protein, minerals, and vitamins C and B; however; they are very scarce in the market due to lack of knowledge on the cultivation techniques in South Africa. Therefore, the objective of the study was to investigate the production practices that can encourage the usage of oyster mushrooms, …
Published in International Journal of Agrochemistry · Vol. 5, Issue 2, 2019 · pp. 38–49 Read article
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Phytoremediation: Its Background and Global Scenario
Abstract: Phytoremediation is an evolving in situ remediation technology that utilizes plants to clean polluted soil, groundwater and wastewater. Phytoremediation is defined as that branch of science that utilizes inherent abilities of green plants to remove, contain, or render harmless environmental contaminants such as heavy metals, metalloids, organic compounds, trace elements, and radioactive substances present in soil or water. The plants used in this technology include trees, shrubs, grasses and even …
Published in International Journal of Green Chemistry · Vol. 2, Issue 1, 2016 · pp. 27–29 Read article
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Effects of Air Pollution on Human Health
Abstract: Fresh air is the major requirement to sustain a healthy life. Air pollution occurs when toxic gases, dust, smoke or odor are introduced into the atmosphere which makes it harmful to human, animals and plant. Both natural and human activities have the potential to pollute the air. Man is to blame for the environment's overall degradation. Globally, our atmosphere is very contaminated. Due to the expansion of industry, there has …
Published in International Journal of Analytical and Applied Chemistry · Vol. 9, Issue 1, 2023 · pp. 17–20 Read article
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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
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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
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Automobile Wash Water Treatment Using Date Seed Adsorbent & Bio-Sand Filtration System
Abstract: From past few years, recycling of car wash water is getting more importance due to the lack of fresh water resources and also the demand of water is increasing day by day. In many industries including car wash industry, one of the major challenge to find an economic and efficient treatment solution for removing oil, soap, waxes oil, grease and contaminated water of car wash as these wastewater consists of …
Published in International Journal of Environmental Chemistry · Vol. 4, Issue 2, 2018 · pp. 22–28 Read article
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Assessment of the Physiochemical Parameters of Aluu Crude Oil Polluted Soil Environment in Niger Delta.
Abstract: Investigation was carried out to examine the effect of Crude oil contamination of Aluu soil and some of the physiochemical parameters. The physiochemical parameters studied were temperature, pH value, electrical conductivity and available phosphorus. The result obtained revealed the significant effect of the crude oil contamination on the physicochemical parameter investigated. The statistical analyses used were analysis of variance (ANOVA) and regression analysis. The time has effect on temperature and …
Published in International Journal of Environmental Chemistry · Vol. 5, Issue 2, 2019 · pp. 30–37 Read article
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TRACE METALS IN SURFACE WATER AND SEDIMENTS OF LOWER NEW CALABAR RIVER, RIVERS STATE, NIGERIA
Abstract: The concentration of trace metals in surface water and sediments of lower New Calabar River was investigated. The results obtained showed that the trace metals Pb, Cd, Fe, Zn, Co and Cu occurred in both surface water and sediments. There was high distribution of the trace metals according to the sample locations attributed to both anthropogenic and natural resources. The concentration of trace metals in surface water followed the trend …
Published in International Journal of Environmental Chemistry · Vol. 6, Issue 2, 2020 · pp. 39–52 Read article
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Effective Utilization of Agricultural Waste for Removal of Heavy Metals from Waste Streams
Abstract: The progress of industrialization and urbanization poses a great threat to the comfort of people's lives. The production and disposal of large amounts of toxic pollutants have severely polluted our environment. The most hazardous contaminants in soils and surface waters include some organic compounds, like synthetic dyes (SD) and toxic substances (heavy metals). It is of great interest worldwide due to its toxicity to many organisms. An important topic is …
Published in International Journal of Environmental Chemistry · Vol. 8, Issue 2, 2022 · pp. 1–11 Read article
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Effect of Temperature on Fungi Concentration in Crude Oil Remediation in an Aerated Bioreactor
Abstract: This research work was conducted to demonstrate the significance of temperature on the characteristics of fungi growth of crude oil degradation in fresh and salt water media. Comparison of fresh and salt contaminated water media was examined, the effect of temperature on crude oil degradation and the characteristics of total heterotrophic bacteria and fungi action. For Total Heterotrophic Fungi (THF) were Aspergillus niger, Aspergillus flavus, mucor sp, penicillium sp, Aspergillus …
Published in International Journal of Environmental Chemistry · Vol. 8, Issue 2, 2022 · pp. 12–21 Read article
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Investigation into the Kinetics of Biodegradation of Crude Oil Hydrocarbon in Different Soil Types Using Aloe Vera
Abstract: A pilot study was conducted on three different soil type contaminated with crude oil bio-simulated with Aloe vera juice to examine the effect of the stimulant on the rate of degradation of the crude oil by the indigenous microbes. Soil contaminated with crude is deficient of the essential nutrients which are needed to boast the activities of the microbes which feed on the crude. These nutrients are found in Aloe …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 4, Issue 2, 2018 · pp. 10–21 Read article
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Eco-friendly Color Production for Holi Celebration: A Mini Review
Abstract: Many synthetic colours formed from chemicals have adverse effects on environment. Biocolours are nowadays used in holi festival. Colours are also becoming integral part of modern day life. Use of colours are becoming a part of our everyday life. There is need of nontoxic colours in order to remove substances like lead, cadmium, chromium and cobalt entering in the food chain. Biocolours are mainly prepared from plant origins. The current …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 8, Issue 1, 2022 · pp. 7–12 Read article
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The Environmental Impact of Soil Pollution on Human Health
Abstract: Soils are shaped by the decomposition of rock and organic matter over several years. Soil properties vary from place to place with difference in bedrock composition, climate and other factors. Certain chemical elements occur naturally in soils as components of minerals, yet may be toxic at some concentration. Various other potentially harmful substance may end up mixing with soils through human activities. This may lead to soil contamination which in …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 3, Issue 2, 2017 · pp. 29–34 Read article
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Solid Waste Management by adopting Incineration
Abstract: Incineration has been employed extensively for waste disposal, involving household, harmful, and medical waste but there is escalating public concern over the advantages of combusting the waste against the health risk from pollutants produced in combustion. Waste Incineration and Public Health advises the rising debate with the latest information accessible on incineration, pollution, and human health alongside with expert conclusions and commendations for advance research and enhancement of such areas …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 7, Issue 1, 2021 · pp. 13–25 Read article
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Predicting Dispersion Rate of Nitrobacter Pressured by Potassium Deposition in Silty Clay Formation at Wetland Area of Port Harcourt
Abstract: This study predict the dispersion rate of Nitrobacter in silty clay, the study were developed to determine the rate of dispersions under the pressure of phosphorus in the study area, coastal deposition were observed to develop lots of Nitrobacter contaminant in the coastal environment, investigation carried out by other experts proof abortive in monitoring and evaluation of dispersion rate in the costal location, based on this factors, it becomes imperative …
Published in International Journal of Water Resources Engineering · Vol. 4, Issue 1, 2018 · pp. 45–51 Read article
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Water Quality Monitoring System
Abstract: For water resources to be used in a safe and sustainable manner, water quality monitoring is crucial. In this article, we present a comprehensive system for tracking a variety of metrics, such as pH, temperature, conductivity, total dissolved solids, and others, in water quality. Sensors and other analytical instruments are used in the system to gather data, which is then wirelessly transmitted to a central database for analysis and storage. …
Published in International Journal of Analog Integrated Circuits · Vol. 8, Issue 2, 2022 · pp. 28–33 Read article
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Application of Solar Nano-photocatalysis in the Pretreatment of Reverse Osmosis Seawater Desalination
Abstract: The reverse osmosis membrane is very sensitive to contaminations present in seawater which makes the pre-treatment step very important to ensure maximum efficiency of the RO process. The photocatalysis can be used to replace the conventional chemical pretreatment process. Semiconductors photocatalysts are used to oxidize contaminated seawater. It can decompose organic matter into smaller compound and low poisonousness inorganic matter thereby increase life span of RO membrane. This research aims …
Published in International Journal of Applied Nanotechnology · Vol. 3, Issue 1, 2017 · pp. 11–17 Read article
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Chemical Risks of Explosive Weapons and Their Long-Term Effects
Abstract: Explosive weapons, such as bombs, rockets, and landmines, are known to cause destruction and fatalities in conflict zones around the world. However, the use of such weapons also produces hazardous chemicals that can have long-lasting environmental and health impacts on people and ecosystems. These chemicals can be released into the air, soil, and water, contaminating the surrounding environment and potentially exposing civilians to toxic substances. The chemicals produced by explosive …
Published in International Journal of Energetic Materials · Vol. 8, Issue 2, 2022 · pp. 31–35 Read article
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Creating Awareness on Toxic Nature of Lead
Abstract: In our day-to-day life, we come across in contact with hundreds of substances such as natural or synthetic which are toxic. In recent time, the number of chemical substances in use as increased drastically. Lead is one such element that contaminates the environment and also enters the human body. Heavy metals have relatively high density and are toxic even at ppb levels which include Pb, As, Hg, Cd, Zn, Ag, …
Published in International Journal of Metallurgy and Alloys · Vol. 7, Issue 2, 2021 · pp. 44–47 Read article