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Now showing items 121-130 of 514
The effects of environmental innovations on CO2 emissions: Empirical evidence from Europe
(
Elsevier Ltd
, 2021 , Article)
Environmental innovations are key enablers of transition towards greener economies. Despite their importance, empirical studies examining the effect of green technologies on CO2 emissions are still limited. Using an ...
Pilot-scale petroleum refinery wastewaters treatment systems: performance and microbial communities' analysis
(
Elsevier
, 2020 , Article)
This study evaluated firstly the performance of the Continuous Stirred Tank bioReactor system (CSTR) for the treatment of highly toxic petroleum refinery wastewaters at the pilot-scale. The reduction of the COD, BOD5, ...
Dry sliding tribological properties of a hard anodized aa6082 aluminum alloy
(
MDPI AG
, 2020 , Article)
The applications of aluminum and its alloys are still limited by low hardness and low wear resistance properties. Surface modifications, such anodizing and plasma electrolytic oxidation, represent a feasible way to overcome ...
Seasonal and body size-dependent variability in the bioaccumulation of PAHs and their alkyl homologues in pearl oysters in the central Arabian Gulf
(
Elsevier
, 2022 , Article)
Spatiotemporal concentration patterns for 19 parents and their alkyl homologues were measured in Pinctada radiata from 7 locations in the central Arabian Gulf around Qatar in the winter, spring and summer (2014–2015).
The ...
Machine Learning for Capillary Pressure Estimation
(
Society of Petroleum Engineers (SPE)
, 2022 , Article)
Capillary pressure plays an essential role in controlling multiphase flow in porous media and is often difficult to be estimated at subsurface conditions. The Leverett capillary pressure function J provides a convenient ...
Biodegradation of hydrocarbons and biosurfactants production by a newly halotolerant Pseudomonas sp. strain isolated from contaminated seawater
(
Elsevier
, 2021 , Article)
A strain NAPH6 of Pseudomonas aeruginosa, isolated from contaminated seawater taken from the fishing harbor of Sfax, Tunisia, was able to degrade almost completly the naphthalene (200 mg/l) and the aliphatic hydrocarbons ...
Energy consumption and environmental impact assessment of desalination plants and brine disposal strategies
(
Institution of Chemical Engineers
, 2021 , Article)
Nowadays, desalination plants are considered as tools to utilize water from different natural resources such as seawater and brackish water. Globally, the number of desalination plants are increasing to achieve the high ...
Study of microbial communities and environmental parameters of seawater collected from three Tunisian fishing harbors in Kerkennah Islands: Statistical analysis of the temporal and spatial dynamics
(
Elsevier Ltd
, 2022 , Article)
Surface seawater, collected from three fishing harbors during different seasons of the years 2015, 2016 and 2017, were assessed for physico-chemical analyses. Results showed that seawater was mainly polluted by hydrocarbons ...
Hitchhiking of encrusting organisms on floating marine debris along the west coast of Qatar, Arabian/Persian Gulf
(
Elsevier
, 2021 , Article)
The floating marine debris (FMD) and the associated rafting communities are one of the major stressors to ecosystem services, global biodiversity and economy and human health. In this study, assemblages of encrusting ...
Geopolitics of the New Middle East: Perspectives from Inside and Outside
(
Routledge
, 2021 , Article)
In the last decade, the broader Middle East and North Africa (MENA) regional security environment has been shaped by the cycle of insecurity and instability. The structural transformation in the MENA has unleashed such ...