Erratum Shift in Palm Oil Mill Effluent Disposal and its Utilization in Agricultural Soil
Article in Press
Palm oil mill effluents from producing centres have affected all spheres of live including the agricultural soil. In the study, soil samples were impacted with 10%, 50% and 100% (v/w) of the palm oil mill effluents. Soil physicochemical properties, soil stress marker enzymes, soil bacteria populations were studied using standard methods. Analysis of the physicochemical properties of the POME showed that POME in the...
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Water pollution is characterized by the presence of a wide variety of substances found in significant quantities in this environmental compartment, which requires the installation of high-performance treatments. Among the multiple technics of treatment, one can mention the adsorption on activated carbons which enable the retention of organic molecules. This led to the development of high-cost granular activated carbons to...
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The solvent extraction of bismuth (III) from nitric acid solutions with two different extractants, tri-n-butylphosphate (TBP) and Di (2-ethylhexyl) phosphoric acid (D2EHPA) in n-heptane were investigated under different experimental conditions that could affect the beneficiation of bismuth metal. The effect of the following parameters; acid concentration, extractant concentration, temperature, pH and contact time were...
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The biosorption potential of Opuntia fragalis for detoxification of Zn (II) ions from human blood plasma was investigated. The influence of biosorbent dose, concentration of Zn (II) ions, pH and rate of biosorption was examined at constant physiological temperature(370C). FTIR results of the biosorbent revealed that –C-Br, -C-N, -N-O, -N-H, -C?C- and –OH functional groups were responsible for the biosorption of Zn (II)...
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ABSTRACT Land use changes, mainly from natural vegetation to cultivated land brought about rapid nutrient depletion. The main objective of this study was to assess the effect of land use change and soil depth on selected soil physicochemical properties at Dale Sedi District western Ethiopia. Eighteen soil samples were collected randomly at (0-20cm and 20-40 cm) depth from the cultivated, forest and grazing lands. Then,...
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This paper presents a study on the spatial and seasonal/temporal variation of the water quality of Dal Lake and its tributaries based on some physicochemical parameters (viz. temperature, pH, EC, TDS, NO3--N, NH3-N, total phosphorus, PO43-, Na+, K+, COD, DO, BOD, oil and grease, Ca2+, Mg2+, total hardness, SO42- and heavy metals (viz. Cu, Fe, Mn, Pb, Cd, Zn, and As). Four inlets (viz. Botkoul, Telbal Nallah, Pishpav...
Fish gills as morphological indicators of exposure to four environmentally relevant pharmaceuticals.
Article in Press
Pharmaceuticals are a fast-emerging class of environmentally relevant contaminants of concern, due to their ubiquitous presence in surfaces waters consequent on human and veterinary use. Their relatively unknown effects on non-target organisms and probable deleterious effects on ecosystem health and complexity make it necessary to develop the use of simple early warning detection systems to validate their probable...
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The objective of this work is to determine the methanogenic potential of landfill waste. To do this, two types of tests were carried out. The first one is the pre-test of anaerobic digestion by incubation carried out in a 500 mL flask in which 50 g of waste is placed in contact with 350 mL of water and the second one is the pre-test of the anaerobic digestion by fermentation also carried out under the same conditions as...
Hydrogeology and groundwater modeling of Middle Darb El Arbaein, South Western Desert, Egypt
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The watering industry was the main development in Darb El Arbaein. The confioned Nubian aquifer is composed of Taref and Kiseiba formation, which capped by Dakhla shale. The aquifer geology, hydrogeology, and hydrogeochemistry were collected, contoured, discussed, and modeled by ARCGIS procedures. The hydrogeological condition of the aquifer was worse by low permeability. The potentiometric head during 2012 decline from 21...
Researches on soil degradation in the criÅŸurilor plain
Article in Press
The present paper aims to study complex degradation processes and an assessment of these processes by presenting the soils affected by degradation as well as quantifying the intensity. The surveys on the identification and mapping of degraded soils have been carried out between 2012 and 2017. Following the correlation of field data with laboratory analyses and previously existing scientific information, the soils of the...
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Paraquat is the most common contact and non- selective herbicide for exterminating vegetative pest. Fish are ideal sentinels for detecting aquatic pollutants and are largely used as bio indicators of environmental pollution. This study is aimed to determine the behavioural changes, lethal concentrations (LCs) and mean lethal time (MLT) of paraquat exposed to Clarias gariepinus. A 96 hours renewable bioassay was conducted...
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The Present study was carried out to assess the heavy metals concentration on domestic birds consumed in Camp2 Community of Akamkpa, Cross river state, Nigeria. A Total of twelve (12) local domestic birds (males) (6 from Camp2 and 6 from control ugep). The blood samples were collected through the wing feather. Heavy metals analysis was carried out using atomic absorption spectrophotometer (AAS) after a wet digestion. Heavy...
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Exposure to microcystin poses a potential health hazard to humans and other living organisms. This results from eutrophication and warrants an investigation to the problem of microcystin toxicity in Lake Victoria. This survey was conducted in Homa Bay, Kisumu, Siaya and Busia counties to understand the effects of microcystin toxicity among fisherfolk and lake riparian communities. Data collection involved 90...
Implication of traditional coffee processing waste on rivers water quality in Ethiopia
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Coffee is processed in Ethiopia both by dry and wet processing. All coffee processing plants practice in efficient traditional approach though it consumes huge amount of water resulting in water pollution and low coffee quality. The aim of this study is to review and synthesis the implication of wet coffee processing waste on rivers water quality in Ethiopia. Implication of traditional coffee processing on water is...
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Human beings eat clay for various reasons, yet the very many possible health benefits/defects of its consumption remains under study and very much debated. This work posits at unraveling the health benefits and risks associated with the consumption of clays among the natives of Somorika, Edo State; Nigeria. This was achieved by investigating the elemental composition of some selected clay samples collected from Ososo...
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This study was undertaken in order to determine the concentration of heavy metals in selected personal care products purchased within Akure city, Nigeria. It was undertaken to make a comparative metal composition in personal care products with information reported in different literature. Samples were anlysed for heavy metals using Atomic Absorption Spectroscopy (AAS) after dry ashing. The mean concentration was analysed...
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Heavy metals such as; Nickel (Ni), Lead (Pb), Chromium (Cr), Iron (Fe), Cadmium (Cd), Manganese (Mn), Zinc (Zn), Copper (Cu) and Vanadium (V) were assessed in water, sediment and crab (Callinectes amnicola) from three stations along Ijala creek. The creek receives effluents discharges from Industrial activities and few human settlements within the area. Samples of water, sediment and crab (Callinectes amnicola) were...
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The different levels of some heavy metals content of Rivers Niger, Benue and their confluence points were determined and compared for one calendar year from April 2016 to March 2017. Five sampling stations were located along River Niger, River Benue, Confluence point and their post Confluence Points. Two water samples were collected from each of the station once monthly and analyzed. The result of the analyzed data showed...
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Experiments were conducted to determine the toxicity of potassium cyanide (KCN) on juvenile Heteroclarias following a 96h static renewal bioassay method. Test specimens were acclimatized for 21-days prior to their exposure; the acute toxicity (LC50) was determined to be 0.96 mg/L. Fractions of LC50 (1â„5, 1â„4, 1â„3 and ½) in triplicates were estimated for sub-lethal studies in a 21-day exposure/ recovery periods....
Assessment of Drinking Water Quality & Human Health Risk in District Mirpur, Azad Kashmir
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A study was carried out to assessment the quality of drinking water supplied by Public Health Engineering Department (PHED) Azad Kashmir of District Mirpur. The water samples of all sources like, storage tanks, supply tanks, tube wells and springs of above mentioned town are collected, preserved scientifically in the months of May and June, 2014 and analysed in EPA lab. Physicochemical parameters (pH, turbidity, hardness...
Article in Press
Heavy metal contamination of aquatic ecosystems has been recognised as a serious pollution problem.. In the present study an attempt has been made to estimate the accumulation of heavy metals like iron, chromium, copper, cadmium and lead (Fe, Cu, Cr, Cd and Pb) in water samples as well as in the fish sample, (Mystus gulio) in Vattakkayal, Ashtamudi lake, Kollam district, South India. Heavy metals in water are particularly...
A Review of Impacts of White Pollution on Aquatic Environment
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Aquatic environment is undoubtedly important to human existence and it constitutes the largest portion of the earth surface. White pollution is a major global threat to the environment, causing impairment of its structure and function, ultimately with adverse effect on man. Many forms of human activities has continued to introduce plastic waste into the global waters since the inception of “plastic ageâ€, causing...
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This study focuses on the comparative assessment of the environmental dynamics of dissolved organic carbon in subtropical wetlands. DOC was determined using persulphate UV-visible spectrophotometric method. The averaged values for DOC during the one-year samplings ranged from 7.454±0.73 to 13.686±1.50 mg/l, in the wetlands studied. These values are above the 4 mg/l, limits set for DOC in water. SUVA values in the...
Assessment of copper levels along the Namibian marine coastline
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Elevated trace metal in the aquatic environment is a global challenge. In this investigation, copper (Cu) levels were assessed using inductively coupled plasma optical emission spectrometry (ICP-OES) during winter and summer months of 2012. The aim of this study was to determine the pollution status of Central Namibian coastline using copper levels in black mussel, sediments and water as indicators. Results indicated that...
Monitoring of Heavy Metal Levels in High Traffic Areas and Abattoirs in Benin Metropolis, Nigeria
Article in Press
Increasing reports of Pollution of soils of high traffic areas and abattoirs all over the world with heavy metals have become worrisome. This study assessed the heavy metal contamination of soils of selected urban high traffic areas (HTAs) and abattoirs in Benin metropolis. A total of 168 soil samples were collected along high traffic density areas and abattoirs with 84 samples each from sample locations a period of 6...
Study on the Reduction of Properties of Wastewater Using Water Hyacinth
Article in Press
Industrial sewage management is a serious issue in most of the cities in developing countries. Though many physio – chemical techniques have been set up, they seem to be expensive and laborious. Hence, it is necessary to find a simple low cost - effective treatment method for removing the pollutants in the water. In the present study, an investigation is conducted on dry water hyacinth and its biosorption property on...
Antialgal properties of Zinc oxide nanoparticles (ZnO) on different freshwater algae
Article in Press
Abstract The toxicological risk of such metal oxide nanoparticles in the environment is hard to evaluate due to a lack of knowledge on the mechanisms of these nanoparticles interaction with biological systems. In this study, we investigated the effect of nano-ZnO on three different freshwater blue green algae such as Microcystis sp., Anabaena sp. and Tribonema sp. Nano-ZnO had a negative effect on freshwater aquatic algae,...
Article in Press
The effects of water soluble fraction (WSF) of crude oil from Afiesere oil field on haematological and biochemical parameters in juveniles of Clarias gariepinus were studied. The 96 h-LC50 of crude oil determined by probit regression was 224.74mg/l. Fish were exposed to 4 sub-lethal concentrations (30, 45, 60 and 75% of the LC50 corresponding to 67.42, 101.13, 134.84 and 168.56 mg/l respectively) of the oil and a control....
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