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Mohammad Sadegh Tale Masoule and Ali Ghahremaninezhad
This study investigates the hydration, microstructure, autogenous shrinkage, electrical resistivity, and mechanical properties of Portland cement pastes modified with PEG-PPG triblock copolymers with varied molecular weights. The early age properties inc...
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Helen K. French, Mona C. Hansen, Kamilla G. Moe and Julie Stene
In cold climates, the use of de-icing chemicals in the winter can lead to groundwater contamination, especially when used in large quantities, such as at airports. Oslo Airport, Gardermoen, is situated on Norway?s largest rain-fed aquifer. Potassium form...
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Igor Motovoy,Sergiy Artemenko,Olga Khliyeva,Vitaly Zhelezny,Yury Semenyuk,Aleksey Paskal
Pág. 6 - 12
Nanofluids are promising heat carriers, which contribute to the overall efficiency of energy systems. The main obstacle to the practical application of nanocoolants based on aqueous propylene glycol solutions is the lack of accurate data on their thermop...
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Ghofrane Sekrani and Sébastien Poncet
Nanofluids are considered a promising way to improve the heat transfer capability of base fluids. Water is the most commonly-used heat transfer fluid. However, in refrigeration systems, it may be necessary to mix water with either ethylene- or propylene-...
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Shenghua Liu, Wei Chen, Zengqiang Zhu, Sa Jiang, Tongtong Ren and Hejun Guo
Biodiesel is regarded to be a renewable, CO2 neutral and thus sustainable biological alternative diesel fuel. With attention to the reduction of petroleum import, PM 2.5 aerosol particles and the greenhouse effect gas CO2, biodiesel has drawn great resea...
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Gema Sakti Raspati, Hanna Kristine Haug Lindseth, Tone Merete Muthanna and Kamal Azrague
Organic de-icing chemicals, such as propylene glycol and potassium formate, cause environmental degradation in receiving water if left untreated, due to the high organic load resulting in oxygen depletion. Biofilters are commonly used for the treatment o...
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Lan-mu Zeng, Ming-yuan Du and Xiao-lin Wang
The forward-osmosis (FO) processes have received much attention in past years as an energy saving desalination process. A typical FO process should inclu de a draw solute recovery step which contributes to the main operation costs of the process. Therefo...
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D. Rizos, D.A. Kenny, W. Griffin, K.M. Quinn, P. Duffy, F.J. Mulligan, J.F. Roche, M.P. Boland and P. Lon
Pág. 688 - 699
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