Gas Sensing and Structural Properties of a Nano-structure MoO3-based Hydrogen Sensor

S. Farzi kahkesh; A. Fattah; M. B. Rahmani

Volume 10, Issue 4 , December 2019, Pages 230-234

  In this research, thin films of molybdenum trioxide were deposited on a glass substrate using Doctor Blade method. Ammonium Heptamolbudate tetrahydrate (NH4)6Mo7O24 powder is considered as a precursor to this study. Growth of the samples in three main directions of (020), (040) and (060) showed the formation ...  Read More

Alkali Enzymatic Extraction of Keratin Protein from Chicken Feather Waste in Bangladesh

M. Nur-E-Alam; N. Akter; S. Chakma; K. Fatema; A. K. Azad; M. Jaman Chowdhury; M. Abu Sayid Mia

Volume 10, Issue 4 , December 2019, Pages 235-241

  Keratin is a highly specialized fibrous protein, which is found in feathers, hair, wool and nails. Bioremediation of these waste materials is an issue requiring serious attention regarding environmental concern. In the present research work keratin protein is extracted from poultry chicken feather which ...  Read More

Remediation of Phenol-contaminated Aqueous Solutions by Synthesized Organoclay

S. Nasrollahpour; D. Yousefi Kebria; M. Ghavami

Volume 10, Issue 4 , December 2019, Pages 242-247

  Phenol and its metabolites are among the hazardous organic compounds, due to their carcinogenicity, toxicity, long term persistence in the environment. The purposes of this study are the synthesis of organoclay as an adsorbent with high physicochemical stability, environmental compatibility and its application ...  Read More

Behaviour of Early Age Shrinkage of Concrete with Binary and Ternary Combination of Fly Ash and Pond Ash with Addition of Glass Fiber

B. Rath; S. Deo; G. Ramtekkar

Volume 10, Issue 4 , December 2019, Pages 248-255

  Fly ash and pond ash are two by-products of thermal power stations. These industrial wastes require a lot of landfill area and are also causing harm to the environment. By using locally available fly ash and pond ash as partial replacement of cement and fine aggregate, a green concrete shall be produced. ...  Read More

Bioremediation of Oil Contaminated Soils by Washing under Static Conditions

Z. Ghorbani Kharaji; M. H. Fazaelipoor

Volume 10, Issue 4 , December 2019, Pages 256-259

  In this research five different solutions were used to wash an oil contaminated soil with the initial TPH (Total Petroleum Hydrocarbon) content of 46 g kg-1 (grams of TPH per kg of dry soil). The solutions were a basal mineral medium (solution I), the basal mineral medium inoculated with petroleum degrading ...  Read More

Utilization of Soil Temperature Modeling to Check the Possibility of Earth-Air Heat Exchanger for Agricultural Building

H. Faridi; A. Arabhosseini; G. Zarei; M. Okos

Volume 10, Issue 4 , December 2019, Pages 260-268

  The commonly used energy in Iranian greenhouses is provided from gas or diesel fuel. As fossil fuels will be finished in the coming years, the utilization of renewable energies could be quite significant. In this research, the thermal potential of the soil profile was studied in Kouhsar, Alborz province, ...  Read More

Current Status, Future Potential and Barriers for Renewable Energy Development in Ethiopia

A. Belay Kassa

Volume 10, Issue 4 , December 2019, Pages 269-274

  Ethiopia is a land locked country, located in Horn of Africa. The country power generation does not meet the national demand of the people. The aim of the paper is to review a current status, future potential and barriers on development of renewable energy for power generations in Ethiopia. The approaches ...  Read More

Drought Utilization Management of Surface and Ground Water (Case study: Qaryat-Al-Arab Watershed)

E. Fadaei-Kermani; G. A. Barani; R. Memarzedeh

Volume 10, Issue 4 , December 2019, Pages 275-280

  Inattention to water as a key parameter of sustainable development, leads the long-term and planned management for the water to be marginalized. In this regard, proper and optimal utilization planning and management of surface and ground water resources is very important. In this study drought utilization ...  Read More

Analyzing the Sustainability of Urban Water Supply and Distribution System; In Case of Assosa Town Water Supply and Distribution System, Benishangul Gumuz National Regional State, Western Ethiopia

A. A. Genetie; D. B. Beyene; A. K. Befekadu

Volume 10, Issue 4 , December 2019, Pages 281-287

  The main objective of the study is to analysis sustainability of water supply and distribution system of Asossa town. While conducting this research, both primary and secondary data were collected and software such as water GEMSV8i, ArcGIS version10.4.1 and GPS Garmin72 were used. The water supply source ...  Read More

Impact of Meteorological Parameters on Dispersion Modeling of Sulfur Dioxide from Gas Flares (Case Study: Sirri Island)

M. A. Mirrezaei

Volume 10, Issue 4 , December 2019, Pages 288-295

  In this study, in 2011 for the duration of two months, the dispersion of a major air pollutant, sulfur dioxide from gas flares of an oil field, in Iran, was investigated. Due to the complexity of meteorological parameters in modeling area, California Puff (CALPUFF) model was used in this study. CALPUFF ...  Read More

Reuse of Reverse Osmosis Membranes - Case Study: Tajoura Reverse Osmosis Desalination Plant

B. Brika; A. A. Omran; N. Greesh; A. Abutartour

Volume 10, Issue 4 , December 2019, Pages 296-300

  Libya is currently experiencing a major challenge in water supply due to reduction in the groundwater, especially around the coastal region. This problem is likely to create challenges for drinking water supply and the agricultural sector. Environmental desalination technology and wastewater treatments ...  Read More