Heterogeneous Catalyst HZSM5 in Biodiesel Production from Rapeseed Oil in Batch Process

M. Mohammadpour; G. D. Najafpour; M. Rahimnejad; M. Kiakojouri

Volume 8, Issue 2 , April 2017, Pages 95-101


  In this paper, HZSM5 zeolite was synthesized through reflux method on support material CaO (25, 35 and 45 wt%) in two specific methods: microwave and impregnation at high temperature. The zeolite catalyst was modified with impregnation of NaOH (2, 4, 8, 12 wt%) at room temperature. The modified zeolite ...  Read More

An Investigation on Soil Quality and Heavy Metal Levels in Soil of Rajbandh Waste Disposal Site at Khulna, Bangladesh

K. Fahmida; I. M. Rafizul

Volume 8, Issue 2 , April 2017, Pages 102-112


  The principle objective of this study was to evaluate the soil quality and the level of contamination of soil by heavy metals adapting various  developed  index  in  a  selected  waste disposal  site  at  Rajbandh,  Khulna,  Bangladesh. To theses ...  Read More

Composition of Waste at an Early EU-Landfill of Torma in Estonia

Y. Jani; M. Kriipsalu; K. Mikk Pehme; J. Burlakovs; M. Hogland; G. Denafas; William Hogland

Volume 8, Issue 2 , April 2017, Pages 113-117


  Landfills represent a continuous environmental threat due to the emission of different greenhouse gases, which are mainly responsible for the climate changes, and the contaminated leachate that affects the surface and ground water recipients. The circular economy approach appeared as a useful solution ...  Read More

An investigation on Removal Efficiency of Direct Blue 71 by ZnO Nano-Particles and Activated Carbon Produced from Agricultural Wastes

S. N. Larimi; B. Ayati

Volume 8, Issue 2 , April 2017, Pages 118-126


  The present study used the adsorption process of activated carbon produced from agricultural wastes and the photocatalytic process of nano-ZnO to break down complex compounds available in removing Direct Blue 71 (henceforth,  DB71). The two processes were done under three varied circumstances- adsorption/photocatalytic, ...  Read More

Activated Carbon from Fenugreek Seed: Characterization and Dyes Adsorption Properties

D. Basrur; J. Ishwara Bhat

Volume 8, Issue 2 , April 2017, Pages 27-35


  In this study the preparation of activated carbon from agricultural product were reported. The fenugreek seeds were activated by chemical and microwave activation methods.  The characterization of carbon materials were carried out using different techniques like   Fourier Transform Infrared Spectroscopy ...  Read More

Synthesis of Fe3O4/Eggshell Nanocomposite and Application for Preparation of Tetrahydrobenzo[b]Pyran Derivatives

M. Naghizadeh; P. Mohammadi; H. Sheibani; M. A. Taher

Volume 8, Issue 2 , April 2017, Pages 136-141


  This work is reported on the synthesis of Fe3O4/eggshell nanocomposites in the absence of any stabilizer or surfactant. Fe3O4 magnetic nanoparticles were established on the egg shell nano-composite. The nanocompositeshave shown high catalytic activities in the synthesis of Tetrahydrobenzo[b]pyran. ...  Read More

Sulphated Zirconia Catalyst Prepared from Solid Sulphates by Non-aqueous Method

E. J. Eterigho; T. S. Farrow; S. E. Ejejigbe

Volume 8, Issue 2 , April 2017, Pages 142-146


  Non-crystallinesulphated zirconia catalysts were synthesised by a non-aqueous and non-conventional method. The effect of varying the molar ratio of sulphating agent to zirconium source was also investigated. The samples were characterized by X-ray diffraction, Energy Dispersive X-ray (EDX), Infra-red ...  Read More

Strom Water Management: An Energy Efficient Bypass Technology

P. Hartwig

Volume 8, Issue 2 , April 2017, Pages 147-151


  The water quality in a river is influenced by discharge from the sewerage network. Through increased efficiencies of the wastewater treatment plants, the main deterioration comes from combined water overflow. In view to a reduction of the discharge from combined water outflow the increase of the influent ...  Read More

Comparative Assessment of Total Hydrocarbon Content and Bioaccumulation of Heavy Metals in Sarotherodon Melanotheron at Atlas Cove Area and Okobaba of Lagos Lagoon

S. O. Ayoola; G. T. Olorunsanmi; A. O. Oke

Volume 8, Issue 2 , April 2017, Pages 152-159


  Industrial waste discharge has increased the hazard of water pollution. The total hydrocarbon content and bioaccumulation of heavy metals in Sarotherodon melanotheron at Atlas cove area and at Okobaba end of Lagoon Lagos were assessed between November, 2014 and January, 2015. The physicochemical parameters ...  Read More

Outgoing Longwave Radiation over Iraq using Atmospheric Infrared Sounder

A. M. AL-Salihi; S. A. AL-Kinani

Volume 8, Issue 2 , April 2017, Pages 160-169


  The present paper involves Outgoing longwave radiation (OLR) under clear-sky condition modeling employing three measured meteorological parameters (Air surface temperature, Relative humidity and Cloud fraction). Dataset retrieved from NASA Atmospheric Infrared Sounder (AIRS), from 2003 to 2015 was employed ...  Read More

Determination of Particulate Matter and Toxic Gaseous in Ambient Air Adjacent to Industrial Area

R. M. S. R. Mohamed; A. A. Al-Gheethi; M. A. B. Fahira; H. Fahimah; N. Z. Yahaya; H. K. Amir

Volume 8, Issue 2 , April 2017, Pages 170-180


  Air quality in the residential areas adjacent to the industrial regions is of great concern due to the association with particulate matter and toxic gaseous which has adverse effects on human health. Therefore, the present study aimed to investigate the air quality in term of PM10 concentrations and ...  Read More