Scientific Journal of Environmental Sciences

Scientific Journal of Environmental Sciences

Basic info

  • Publisher: Sjournals
  • Country of publisher: iran, islamic republic of
  • Platform/Host/Aggregator: Sjournals
  • Date added to EuroPub: 2017/Feb/20

Subject and more

  • LCC Subject Category: Soil Sciences, Environmental Sciences, Environmental Toxicology, Epidemiology,
  • Publisher's keywords: Soil Sciences, Environmental Sciences
  • Language of fulltext: english
  • Full-text formats available: PDF

Publication charges

  • Article Processing Charges (APCs): Yes 100 EUR
  • Submission Charges: No
  • Waiver policy for charges? Yes

Editorial information

Open access & licensing

  • Type of License: Other
  • License terms
  • Open Access Statement: Yes
  • Year open access content began: 2012
  • Does the author retain unrestricted copyright? True
  • Does the author retain publishing rights? True

Best practice polices

  • Permanent article identifier: DOI
  • Content digitally archived in: LOCKSS
  • Deposit policy registered in: None

This journal has '51' articles

y: 2016 n: 7

Authors: Saeromi Lee| Environmental and Plant Engineering Research Institute, Korea Institute of Civil Engineering and Building Technology, South Korea., Chang...

The photocatalyst is not directly applied to the water, because the form of nanoparticle. In this study, we developed a photo-oxidation ball to the improvement of water quality in stagnant water. And we used real-time monitoring data of chl-a to verify the water purification ability of developed balls. TiO2 coated EPS balls were applied to the stagnant channel. We monitored during the algae bloom period. As a result, we could be confirmed that chlorophyll-a was decreased in the installation places the ball during the daytime. However, at night, chlorophyll-a was increased. Algae control by the photo-oxidation balls in the open space was more of a growth inhibition than a remove.

Keywords: TiO2, Algae blooms, Chlorophyll-a real-time data, TiO2 coated balls

y: 2016 n: 9

Authors: Zeynep Cansu Ozturk*| Environmental Engineering Department, Engineering Faculty, Selcuk University, Konya, Turkey., Sukru Dursun| Environmental Engine...

Water is the main source of life for all living creatures and water resources should be protected from draining away. There are two main sources of water that is used for water supply such as ground water and surface water. Both of them are fed by precipitation water in order to stay stable for providing consumption requirements. Thus, only one drop of precipitation water should not be wasted so storm water management practices come to light. Two of the mostly known storm water management practices are low impact development (LID) which works with nature to manage stormwater at place closer to its source and green infrastructure which uses natural processes to provide infiltration and evapotranspiration or reuses runoff on the generation area. There are many LID practices that have been used to adhere to these principles such as bio retention facilities, rain gardens, vegetated rooftops, rain barrels and permeable pavements. Green infrastructure can be used in wide range of landscapes in addition to more traditional stormwater control systems to support the principles of LID. In this research, definition and main features of LID and green infrastructure was investigated, main practices used for implementation of these methods were reviewed and two methods were compared according to their benefits.

Keywords: Low impact development, Green infrastructure, Storm water, Management, Runoff

y: 2016 n: 9

Authors: Thanudkij Chareerat*| Department of Chemical Engineering, Faculty of Engineering, Ubon Ratchathani University, Thailand., Prinya Chindaprasirt| Sustai...

Nowadays, due to the ecological issue is worldwide - critical concerned and various attempts have been done in order to reduce the global warming phenomenon. This paper, therefore, present some of attempting in order to apply the environmental friendly concrete in Thailand for better environmental applications. The various environmental applications viz., housing sidewalk, cover of gutter, gardening decoration, urban footpath, and alternative application for greening the roof with hydroponic cultivation technique or irrigation channel is now being attractively used in Thailand.

Keywords: Environmental friendly concrete, Porous concrete, Applications

y: 2016 n: 9

Authors: Chao-Yin Kuo| Department of Safety Health and Environmental Engineering, National Yunlin University of Science and Technology, 123 University Rd., Sec...

A series of Bi2O3/TiO2 composite photocatalysts (T, 0.5BT, 1.0BT, 2.0BT, 4.0BT, 6.0BT and 8.0BT) were synthesized and used to degrade aqueous bisphenol A (BPA) under simulated sunlight irradiation. The structures of the photocatalysts were extensively characterized using X-ray diffraction (XRD) and UV-visible diffuse reflectance spectroscopy (UV-vis DRS). UV-visible spectral analysis indicated that all of the Bi2O3/TiO2 photocatalysts shifted their absorption band toward visible light, and reduced energy gap. The experimental results indicated that aqueous BPA with a Bi-Ti atomic ratio of 4:96 was the most effective in degrading BPA under simulated sunlight irradiation.

Keywords: Photocatalysis, Bismuth oxide, Titanium dioxide, Simulated sunlight, Bisphenol A

y: 2016 n: 11

Authors: Keng Boon Lim| Professional Officers’ Division, Singapore Institute of Technology, Singapore., Peng Cheng Wang*| Engineering, Singapore Institute of T...

This study aims to investigate the changes in output permeate flowrate of ultrafiltration hollow fibres with double - end configuration. Different parameters such as packing density, feed pressure and location of feed inlet are studied using Computational Fluid Dynamics (CFD). This study adopts the numerical approach to predict how each of the factors influence the output (i.e. flowrate) of the filtration process. Preliminary studies were done to validate the numerical predictions against existing literature, showing good agreement with available data. The effect of packing density on hollow fibre with double-end configuration was then investigated. The ratio of allowable spaces between fibres, denoted by ε, was used to quantify the packing density. 2 sets of numerical model for double-end hollow fibre with ε ranging from 0.2 to 0.8 were simulated for fibre length of 1 metre and 2 metre respectively. Results showed that a higher ε value used in for the packing of hollow fibres lead to higher permeate flowrate. However, this increment stagnates even as ε is increased beyond 0.6. Other factors such as inlet positioning and fibre length, which affects feed pressure distribution were also investigated. Simulation results concluded that feed pressure distribution and output flowrate varies depending on where the inlet is situated. The proposed new inlet located along the fibre length also improves the uniformity of the feed pressure distribution along hollow fibres. This makes positioning of the inlet crucial to the overall performance of the ultrafiltration module.

Keywords: Hollow fibres, Ultrafiltration, Packing density, CFD, Numerical simulation

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