Volume 3, Issue 4 (2007) | American Journal of Environmental Sciences

Comparison Between Biological Treatment and Chemical Precipitation for Nitrogen Removal from Old Landfill Leachate

Long Tengrui — 2007-12-31

American Journal of Environmental Sciences, Published online: 31 December 2007; doi:10.3844/ajessp.2007.183.187

The study reports the results of a laboratory scale investigation aimed at evaluating the effectiveness of mature municipal landfill leachate treatment by a biological stage (used SBBR as a biological...

Analysis of Cross and Single Sided Naturally Ventilated Rooms Using CFD

K. Visagavel — 2007-12-31

American Journal of Environmental Sciences, Published online: 31 December 2007; doi:10.3844/ajessp.2007.188.192

Natural ventilation contributes to the improvement of thermal comfort and quality conditions of the internal air, while at the same time it is recognized as a very efficient technique that, when appli...

Detoxification of Heavy Metal Contaminated Soils

Floarea Damian — 2007-12-31

American Journal of Environmental Sciences, Published online: 31 December 2007; doi:10.3844/ajessp.2007.193.198

The concentration of the heavy metals in the soils from the strong affected zones because of the mining and metallurgical industry, Baia Mare and Zlatna (Romania), is significant due to the high value...

Necessary Geomorphologic Information For Roads Safety, With Emphasize Soleghan Road In West Of Tehran, Iran

Ebrahim Moghimi — 2007-12-31

American Journal of Environmental Sciences, Published online: 31 December 2007; doi:10.3844/ajessp.2007.199.204

This paper review some of the aspects of necessary disciplines of geomorphology and roads, with emphasize Soleghan road. For building this road didn’t consider geomorphology process carefully. so th...

Removal of Dye from Textile Wastewater Using Plant Oils Under Different pH and Temperature Conditions

A.S. Mahmoud — 2007-12-31

American Journal of Environmental Sciences, Published online: 31 December 2007; doi:10.3844/ajessp.2007.205.218

The effectiveness of five plant oils (cottonseed, olive, canola sunflower and used cooking oil) for the removal of dye from textile wastewater was evaluated. The study revealed that the dye removal ef...

Vulnerability and Pollution Risks in the Alluvial Aquifer of Tebessa-Morsott

S. Kachi — 2007-12-31

American Journal of Environmental Sciences, Published online: 31 December 2007; doi:10.3844/ajessp.2007.219.224

We studied the vulnerability and risks of pollution of the alluvial aquifer of Tebessa-Morsott that ranks amongst the major groundwater reservoirs of the region. The method used to asses groundwater v...

Ambient Levels of Primary and Secondary Pollutants in a Residential Area: Population Risk and Hazard Index Calculation over a Three Years Study Period

S. Al-Salem — 2007-12-31

American Journal of Environmental Sciences, Published online: 31 December 2007; doi:10.3844/ajessp.2007.225.229

This paper aims at presenting data collected over the period of three years (2004-2006) in a residential area in the state of Kuwait. The data collected include ambient levels of primary and secondary...

Use of 2D Multi Electrodes Resistivity Imagining for Sinkholes Hazard Assessment along the Eastern Part of the Dead Sea, Jordan

Abdallah S. Al-Zoubi — 2007-12-31

American Journal of Environmental Sciences, Published online: 31 December 2007; doi:10.3844/ajessp.2007.230.234

Sinkholes and subsidence are natural phenomena can be occurred in shallow geology sediments at different regions in the world. Sinkholes assessment is one of the most difficult near subsurface investi...

Evaluation of the Use of Rice Bran Compost for Eco-friendly Weed Control in Organic Farming Systems

M.A.I. Khan — 2007-12-31

American Journal of Environmental Sciences, Published online: 31 December 2007; doi:10.3844/ajessp.2007.235.240

Rice bran compost (RC) was evaluated under greenhouse and field conditions for eco-friendly weed control of vegetable crops in organic farming systems. RC was applied 7 days before spinach seed sowing...

Evaluation of Sorghum Density As Affected By Two Water Qualities Under Drip Irrigation System

B.A. Ould Ahmed — 2007-12-31

American Journal of Environmental Sciences, Published online: 31 December 2007; doi:10.3844/ajessp.2007.241.246

Pot experiment was conducted under glasshouse conditions during 2005 at the Arid Land Research Center, Tottori University in Tottori, Japan. The study presented here was aimed to evaluating the respon...

Effect of Mixing on the Biological Degradation of Toluene under Aerobic Conditions

Abdel E. Ghaly — 2007-12-31

American Journal of Environmental Sciences, Published online: 31 December 2007; doi:10.3844/ajessp.2007.247.258

The effectiveness of in-vessel bioremediation in reducing the concentration of toluene in contaminated soil under continuous and intermittent mixing conditions using invessel composting system. The re...

Methods of Utilizing Tropical Peat Land for Housing Scheme

Youventharan Duraisamy — 2007-12-31

American Journal of Environmental Sciences, Published online: 31 December 2007; doi:10.3844/ajessp.2007.259.264

This paper discusses some of the methods and recent technologies in utilizing cheap marginal land such as tropical peat for housing scheme. Buildings on peat are usually suspended on piles, but ground...