College of Arts & Sciences: المرسلات الحديثة
السجلات المعروضة 1401 -- 1420 من 3507
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Novel bioadsorbents based on date pits for organophosphorus pesticide remediation from water
( Elsevier Ltd , 2020 , Article)The aim of the study was to examine the efficiency of date pits as an adsorbent to remove the organophosphate pesticide (profenofos) from water. A thermodynamic study was carried out to determine the homogeneity and ... -
Investigating the effect of temperature on calcium sulfate scaling of reverse osmosis membranes using FTIR, SEM-EDX and multivariate analysis
( Elsevier B.V. , 2020 , Article)Membrane fouling is one of the major hurdles in widespread use of seawater reverse osmosis (SWRO) in desalination industry. There are various factors that affect the inorganic fouling or scaling of Reverse osmosis (RO) ... -
Water reuse: Brackish water desalination using Prosopis juliflora
( Elsevier B.V. , 2020 , Article)Prosopis juliflora is a plant species that have the potential to yield significant environmental and economic benefits. It is used widely as a source of biofuel, food, feed and as an adsorbent in water treatment. In this ... -
Effects of soaking, acidity and temperature on cadmium and lead removal from rice
( Elsevier Ltd , 2020 , Article)In this research, effect of soaking time, acidity and temperature on the removal of lead and cadmium from rice was investigated. Different rice treatments were involved i.e. three soaking times (0, 15, and 30 min), three ... -
Determination of aflatoxins in coffee by means of ultra-high performance liquid chromatography-fluorescence detector and fungi isolation
( Taylor and Francis Ltd. , 2020 , Article)In this study, fourteen coffee samples were collected from local markets in Doha, Qatar according to different variables i.e. packed or unpacked, beans or powder, roasted or raw bean samples. The coffee samples were subjected ... -
Enhancement of flocculation and shear resistivity of bentonite suspension using a hybrid system of organic coagulants and anionic polyelectrolytes
( Elsevier B.V. , 2020 , Article)In this study, the influence of the hybrid coagulation-flocculation system on the flocculation and shear resistivity of bentonite suspension has been investigated. Two short-chained coagulants, polyamine and polyDADMAC, ... -
Potential application of microalgae in produced water treatment
( Desalination Publications , 2018 , Article)The current study examines pollutant removal efficiency from the produced water of a local petroleum industry by five different local microalgae species. The five microalgae strains Monoraphidium, Chlorella, Neochloris, ... -
Energy efficiency of direct contact membrane distillation
( Elsevier B.V. , 2018 , Article)Membrane distillation (MD) is a promising technology due to its ability to function using low temperature differences and low-quality heat sources, thus allowing it to operate on solar or waste heat. The flux and energy ... -
Investigating the microorganisms-calcium sulfate interaction in reverse osmosis systems using SEM-EDX technique
( Elsevier Ltd , 2020 , Article)Membrane fouling affects the performance of membrane technologies such as reverse osmosis (RO), in water treatments and desalination industries. The membrane fouling is a multifaceted phenomenon and various components of ... -
Multivariate analysis for FTIR in understanding treatment of used cooking oil using activated carbon prepared from olive stone
( Public Library of Science , 2020 , Article)In this study, activated carbons prepared from the green and black olive stone (green OSAC and black OSAC) were used as adsorbents to investigate their removal efficiencies for oxidation products and polar compounds from ... -
Guidelines for the use and interpretation of adsorption isotherm models: A review
( Elsevier B.V. , 2020 , Article)Adsorption process is considered as one of the most used separation and purification processes, in which adsorption occurs by the formation of the physical or chemical bonds between a porous solid medium and a mixture of ... -
Removal of pesticides from water and wastewater: Chemical, physical and biological treatment approaches
( Elsevier B.V. , 2020 , Article)The levels of pesticides in water have increased due to their excessive use in the modern agricultural domain. Choosing a suitable water treatment method for pesticide removal depends on the type of pesticide and the ... -
Interaction of seawater microorganisms with scalants and antiscalants in reverse osmosis systems
( Elsevier B.V. , 2020 , Article)In this research, the interactions of seawater microorganisms with scalants (minerals like calcium sulfate) and antiscalants in the reverse osmosis (RO) systems were investigated. The interaction of seawater microorganisms ... -
Physiochemical characterization and systematic investigation of metals extraction from fly and bottom ashes produced from municipal solid waste
( Public Library of Science , 2020 , Article)Incineration has emerged as one of the acceptable ways to treat municipal solid waste (MSW) due to its potential in reducing the mass and volume of the waste. However, it produces two major by-product residues, namely ... -
Smart Synthesis of Trimethyl Ethoxysilane (TMS) Functionalized Core–Shell Magnetic Nanosorbents Fe3O4@SiO2: Process Optimization and Application for Extraction of Pesticides
( MDPI AG , 2020 , Article)In the current study, a smart approach for synthesizing trimethyl ethoxysilane–decorated magnetic-core silica-nanoparticles (TMS-mcSNPs) and its effectiveness as nanosorbents have been exploited. While the magnetite core ... -
Functionalization of reverse osmosis membrane with graphene oxide and polyacrylic acid to control biofouling and mineral scaling
( Elsevier B.V. , 2020 , Article)The polyamide reverse osmosis (RO) membrane was modified with graphene oxide (GO), followed by polymerization of acrylic acid (used as an antiscalant) for the reduction of both biofouling and mineral scaling. After ... -
Functionalization of reverse osmosis membrane with graphene oxide to reduce both membrane scaling and biofouling
( Elsevier Ltd , 2020 , Article)In this paper, commercially available graphene oxide (GO) was used as nanomaterials to modify polyamide reverse osmosis (RO) membrane surface. After functionalization, the membrane surface properties were improved as the ... -
Potential for native hydrocarbon-degrading bacteria to remediate highly weathered oil-polluted soils in Qatar through self-purification and bioaugmentation in biopiles
( Elsevier B.V. , 2020 , Article)Petroleum-derived contamination events constitute a unique environmental issue in the arid areas because of the weathering processes, accentuated due to harsh conditions and representing the main origin of failure of ... -
Lead (Pb) bioaccumulation and antioxidative responses in Tetraena qataranse
( Nature Research , 2020 , Article)Lead (Pb) is the second most toxic metal on Earth and is toxic to humans and other living things. In plants, Pb commonly inhibits growth when it is at a concentration in the soil of 30�mg/kg or more but several Pb tolerant ... -
Experimental measurements and modelling of viscosity and density of calcium and potassium chlorides ternary solutions
( Nature Research , 2020 , Article)Measured viscosity and density data for ternary aqueous solutions of CaCl2 and KCl are presented at temperatures between 293 and 323�K with 5�K increment. A modified Jones?Dole was introduced by adding extra terms and ...