Journal of
Environmental Chemistry and Ecotoxicology

  • Abbreviation: J. Environ. Chem. Ecotoxicol.
  • Language: English
  • ISSN: 2141-226X
  • DOI: 10.5897/JECE
  • Start Year: 2009

JECE Articles in press

Potential for anaerobic digestion by incubation and anaerobic fermentation of landfill waste: case of the city of Lomé (Togo)

Article in Press

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...

Author(s):Edem Komi Koledzi, Kokou Semeho Hundjoe, Nitale M’Balikine Krou

Hydrogeology and groundwater modeling of Middle Darb El Arbaein, South Western Desert, Egypt

Article in Press

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...

Author(s):Mohamed ElKashouty

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...

Author(s):Octavian BERCHEZ

Behavioural responses and mortality of Clarias gariepinus Juveniles exposed to acute concentrations of Paraquat.

Article in Press

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...

Author(s):Okey, I. B., Ayotunde, E. O. and Patrick, B. U

Histological and cytotoxic evaluation of carica papaya seed oil and its potential biodiesel feedstock

Article in Press

Carica papaya is a fruit known for it great economic values in tropical Africa due to it diverse industrial, medicinal and nutritional benefits. In this study, oil was extracted from dried powdered Carica papaya seeds using n-hexane as extraction solvent and the percentage oil yield determined. The physiochemical characterization of C. papaya seed oil extract was investigated using Association of Official Analytical...

Author(s):Taiwo Toyin Oshin, Rasaq Adekunle Kareem, Oluwafemi Fadayini and Johnson Oshiobugie Momoh

Assessment on the Contamination of domestic birds with Heavy Metals Using the Haematological Indices in Camp2 village, Akampka Local Government Area, Cross River State, Nigeria

Article in Press

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...

Author(s):Eteng O E., Victor Ekam., Joe Enobong., Iwara Arikpo., Savour Ufot., kenyoh Abam., Grace Ekpo., Eyong Ubana

An analysis of knowledge, attitudes and practices of communities in Lake Victoria on microcystin toxicity

Article in Press

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...

Author(s):Cecilia Githukia, David Onyango, Dorcas Lusweti, Rose Ramkat Chrispin Kowenje, Jared Miruka, Henry Lung’ayia and Paul Orina

Implication of traditional coffee processing waste on rivers water quality in Ethiopia

Article in Press

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...

Author(s):Getachew Meka

Geochemical Investigation and Health Implications of Geophagic Clays from Somorika area of Edo State, Nigeria

Article in Press

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...

Author(s):ADEDAPO Jepson Olumide and AKINROLUYO Ayodeji

Assessment of Heavy Metals in Selected Personal Care Products in Akure Metropolis, Nigeria and risk for human health

Article in Press

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...

Author(s):Abata, E. O; Akinwamide, A. J; Oyekanmi, K. C; Makinde, S.A

Assessment of water, sediment and crab (Callinectes amnicola) contamination by heavy metals IN Ijala creek, Ekpan, Delta state, Nigeria

Article in Press

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...

Author(s):Baba Rani Issa

Comparative study of heavy metal concentration of Rivers Niger, Benue and the confluence points for sustainable fish production in Lokoja, Kogi State

Article in Press

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...

Author(s):Department of Water Resources, Aquaculture and Fisheries, Federal University of Technology, Minna, Niger State, P.M.B. .

Effect of exposure to sub-lethal potassium cyanide (kcn) on growth rate, survival rate, and histopathology in juvenile heteroclarias (Heterobranchus longifilis♀ x Clarias gariepinus♂)

Article in Press

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 (1⁄5, 1⁄4, 1⁄3 and ½) in triplicates were estimated for sub-lethal studies in a 21-day exposure/ recovery periods....

Author(s):Aniche Donald Chukwudi

Assessment of Drinking Water Quality & Human Health Risk in District Mirpur, Azad Kashmir

Article in Press

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...

Author(s):NAZIR ASHFAQ

TRACE METAL POLLUTION ON WATER, SEDEMENT AND FISH FAUNA OF VATTAKKAYAL, A PART OF ASHTAMUDI LAKE IN SOUTH INDIA

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...

Author(s):seethal Lal. S, Jaya D.S, Sherly Williams

A Review of Impacts of White Pollution on Aquatic Environment

Article in Press

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 age”, causing...

Author(s):TEMIDAYO EBENEZER OLAGUNJU, STEPHEN OLUFEMI BABALOLA, TAIWO ADEWALE ADEBOYE

Comparative Assessment of the Environmental Dynamics of Dissolved Organic Carbon and characterisation of DOM in Subtropical Wetlands of some Northern Nigerian States.

Article in Press

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...

Author(s):SHAIBU YUSUF

Assessment of copper levels along the Namibian marine coastline

Article in Press

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...

Author(s):EDOSA OMOREGIE, Emmanual Captain Vellemu, Festus Pandu Nashima, Brian Mudumbi, Gadaffi Liswaniso, Kaspar Shimooshili

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...

Author(s):ALEX AJEH ENUNEKU, EKENE BIOSE

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...

Author(s):D.V.S. Bhagavanulu, D. Srinivasa Murthy, Ms. C. Anjali

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,...

Author(s):TRUPTIMAYEE BEHERA

Haematological and Biochemical changes in Clarias gariepinus exposed to sub-lethal concentrations of Water Soluble Fractions of Crude Oil

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....

Author(s):OCHUKO JOSHUA ERIEGHA, BAMIDELE OMITOYIN

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