Advances in Environmental Studies

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Table of Content: Volume 5, Issue 1

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Research/Review Article Pages 416-436

A Critical Review of the Guyana EIA Process for the Emerging Oil and Gas Sector

Authors: Paulette Bynoe and Denise Simmons

Abstract: In Guyana, the environmental impact assessment process (EIA) is a legal requirement of the Environmental Protection (EP) Act of 1996 (amended in 2000). In May 2015, ExxonMobil announced its first significant oil discovery approximately 190 kilometres offshore Guyana in the Liza-1 well. This initial announcement was followed by subsequent discoveries. In accordance with the EP Act, ExxonMobil’s affiliate in Guyana, Esso Exploration and Production Guyana Limited (EEPGL) submitted an application for environmental authorisation to the Guyana Environmental Protection Agency (EPA) in July

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Research Article Pages 404-415

Removal of Heavy Metal Cations (Copper, Lead, Zinc) from Water Runoff by Calcium Silicate Hydrate: Effect of the Co-Ion and Competition of Ions in Ternary Mixtures

Authors: M Brogat, S Pontvianne, L Sigot and C Vallières

Abstract: The sorption behavior of calcium silicate hydrate (CSH) with respect to lead, copper and zinc was studied to consider its application to remove metal from water runoff. A series of kinetics of removal and isotherms were undertaken with single metal and mixture solutions. The sorption occurred by ion exchange with calcium. Sorption kinetics were modelled using pseudo-second order model.

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Research/Review Article Pages 394-403

Integrated Geochemical Investigations on Fe-Mn Nodules, Polymetallic Sulfides and Fe-Mn Oxides Recovered from Marine Sediments of Carlsberg Ridge, Northwest Indian Ocean

Authors: Samuel Olatunde Popoola and Akinnigbagbe Edward Akintoye

Abstract: The research and exploration of submarine minerals have increased exponentially due to the requirement for rare and critical metals (cobalt, silver, platinum) as additional supplements to the gradually depleting terrestrial metal source. Manganese nodules, Fe-Mn oxides and polymetallic sulfides represent the most important source of these aforementioned critical metals

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Orginal Research Pages 382-393

Characterization and Optimization of Incinerated Municipal Solid Waste Fly Ash as a Cement Substitute Material in Concrete at Reppie Waste to Energy Plant, Ethiopia, East Africa

Authors: Abebe Simegn, Sisay Abebe and Abebe Worku

Abstract: Incinerated municipal solid waste fly ash is a byproduct of Reppie Waste to Energy Plant Technology found after generation of power and electricity. The disposal of this ash in the form of particulate matter is already causing serious environmental problems to the city. This research was, therefore, conducted to examine the potential of incinerated municipal solid waste fly ash as a cement substitute material.

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Research Article Pages 376-381

Characterization of Jatropha Oil and its Biodiesel

Authors: Aigba PI, Anyadiegwu FC and Ogoke JC

Abstract: The ever-increasing demand in consumption of fossil fuel strongly contradicted by its depletion in reserves coupled with the Green House Gas effect associated with the combustion of hydrocarbon has opened a channel for the inevitable desire for an environmentally friendly and a renewable source of energy like bio-fuel. Oil extracted from Jatropha curcas, a non edible plant looks good to be one of the solutions of the problems associated with energy consumption in recent time.

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