نتایج جستجو برای: desalination

تعداد نتایج: 3514  

2013
Rasool Kalbasi Mehdi Nasr Esfahani

Solar stills are very simple to construct and to operate but their efficiency and productivity are fairly low. To increase the yield from stills different methods were adopted. In this paper, an experimental investigation on single and double effect desalination systems are reported and effects of some parameters such as water depth, input radiation intensity and salinity on the productivity of...

2011
A. K. Ghosh R. C. Bindal S. Prabhakar P. K. Tewari

Thin Film Composite – Polyamide (TFC-PA) are commonly used reverse osmosis (RO) membranes in water desalination and waste water applications. Their poor chlorine tolerance and fouling characteristics constrain the life and performance leading to stringent chemical pretreatment requirements. In this context, development of fouling resistant and chlorine tolerant RO membranes would be relevant to...

Journal: :environmental health engineering and management 0
zabihollah yousefi [email protected] ramazan motallebi department of water engineering, islamic azad university, bandar abbas branch, hormozgan, iran afshin takdastan environmental technologies research center, ahvaz jundishapur university of medical sciences, ahvaz, iran

background: reverse osmosis (ro) is an increasingly common method of desalination. a full scale water desalination system by membrane technology (ro) evaluated in a southern city (jask) in iran. methods: first, data collection on water supply and network were performed. analysis on most of the water quality parameters (turbidity, ph, ec, cl-, na+, alkalinity, ca, na, k, no3, no2, fe, mg, mn, nh...

Journal: :global journal of environmental science and management 0
m. sepehr department of marine biology, science and research branch, islamic azad university, tehran, iran s.m.r. fatemi department of marine biology, science and research branch, islamic azad university, tehran, iran a. danehkar department of environmental sciences, faculty of natural resources, university of tehran, tehran, iran a. mashinchian moradi department of marine biology, science and research branch, islamic azad university, tehran, iran

given the reduced freshwater supplies across the world, seawater desalination is one of the appropriate methods available for producing freshwater. selecting an optimal location is crucial in the installation of these plants owing to the environmental problems they cause. the present study was conducted to identify optimal locations for installing desalination plants in the coastal areas of sou...

2006
Yongqing Wang Noam Lior

Humidified gas turbines (HGT) have been identified as a promising way of producing power. The use of the steaminjected gas turbine (STIG) HGT cycle in a combined power and water desalination system was analyzed using energy and exergy performance criteria. A brief description and rationale of the background of HGT cycles and dual-purpose power and water systems is given. A thermal desalination ...

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Making potable water through desalination plants is a very important process in Iran where clean water is highly required. On the other hand, large amount of fossil fuel sources leads to the development of gas turbine power plants all over the country. Furthermore, Persian Gulf in the south and Caspian Sea in the north could be the main sources for supplying potable water in water scarcity area...

2016
Gaetan Blandin Arne R.D. Verliefde Joaquim Comas Ignasi Rodriguez-Roda Pierre Le-Clech

Forward osmosis (FO) is a promising membrane technology to combine seawater desalination and water reuse. More specifically, in a FO-reverse osmosis (RO) hybrid process, high quality water recovered from the wastewater stream is used to dilute seawater before RO treatment. As such, lower desalination energy needs and/or water augmentation can be obtained while delivering safe water for direct p...

Alireza Zirakrad, Mohammad Taghi Ghaneian , Seyed Jamalodin Hashemian,

Introduction: Reverse osmosis (RO) is best known for its use in desalination (removing the salt from seawater to get fresh water), but since the early 1970s it has also been used to purify fresh water for medical, industrial, and domestic applications. The aim of this research was the performance study of reverse osmosis plants for water desalination in Bandar-Lengeh, Iran. Materials and Meth...

Journal: :Water research 2012
Erica L Seubert Shane Trussell John Eagleton Astrid Schnetzer Ivona Cetinić Phil Lauri Burton H Jones David A Caron

The occurrence and intensity of harmful algal blooms (HABs) have been increasing globally during the past few decades. The impact of these events on seawater desalination facilities has become an important topic in recent years due to enhanced societal interest and reliance on this technology for augmenting world water supplies. A variety of harmful bloom-forming species of microalgae occur in ...

Journal: :journal of membrane science and research 0
leila karimi institute for energy & the environment (iee), new mexico state university las cruces, nm, usa abbas ghassemi institute for energy & the environment (iee), new mexico state university las cruces, nm, usa

operating parameters and membrane characteristics strongly affect the performance of electrodialysis reversal systems. the most impactful factors are applied voltage, flow rate, temperature, initial feed composition, and ion exchange membrane characteristics; the ph of the feed also has an effect, although to a lesser extent. to determine more precisely how all of these factors impact performan...

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