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RISSynthesis and Crystal Structure of a New N-(2,6-Dichlorobenzoyl)-N',N''-bis(pyrrolidinyl)-phosphoric Triamide As a Carrier and Competitive Bulk Liquid Membrane Transport of Six Metal Cations
The competitive metal ion transport experiments of Co+2, Cd+2, Ag+, Pb+2, Ni+2, and Cu+2 were carried out by N-(2,6-dichlorobenzoyl)-N',N''-bis(pyrrolidinyl)-phosphoric triamide as a carrier in organic membrane phase. 2,6-Cl2C6H3C(O)NHP(O)[NC4H8...
Effects of the preparation conditions on ethylene/vinyl acetate membrane morphology with the use of scanning electron microscopy
copolymer membranes were investigated with scanning electron microscopy and nitrogen gas
permeability tests. Flat sheet membranes were prepared
through a thermal–wet phase-inversion method. Scanning
electron microscopy pictures showed...
Metal-ion recognition-competitive bulk liquid membrane transport of transition and post-transition metal cations using a thioether donor acyclic ionophore
The competitive bulk liquid membrane transport of Cr3+, Co2+, Cu2+, Zn2+, Cd2+, Ag+ and Pb2+ metal cations with a new synthetic sulfur donor acyclic ligand (pseudo-cyclic ionophore), i.e. 1-(2-[(2-hydroxy-3-phenoxypropyl)sulfanyl]ethylsulfanyl)-3...
Membrane processes used for removal of pharmaceuticals, hormones, endocrine disruptors and their metabolites from wastewaters: a review
The presence of pharmaceuticals, hormones, endocrine disruptors, and their metabolites in aquatic environments has recently attracted particular attention due to their potential risks and adverse health effects. Membrane processes as widely used...
Polyethersulfone/Poly(D,L-lactide) Blend Membranes: Preparation, Characterization, and Performance
Polyethersulfone (PES) was blended with poly(D,L-lactide) (PDLLA) to prepare
asymmetric membranes using the phase inversion method. The effects of the
blend ratios and poly(ethylene glycol) (PEG) as additive on the membrane structure...
The effect ofsupport membrane hydrolysis on the characteristics and performance of polyacrylonitrile supported thin film composite membranes
The effect of chemical structure of polyacrylonitrile -PAN- support membrane on the reverse osmosis performance of thin film composite -TFC- membrane was studied. Accordingly, PAN support membrane was hydrolyzed using alkaline at different contact...
Influence of casein on flux and passage of serum proteins during microfiltration using polymeric spiral wound membranes at 50آ°C
Polyethersulfone/poly (butylene succinate) membrane: Effect of preparation conditions on properties and performance
In this study, biodegradable polymer of poly (butylene succinate) (PBS) was blended with
polyethersulfone (PES) to prepare a novel semi-biodegradable membrane. The effect of blend ratio
and coagulation bath temperature (CBT...
Metabolic changes in cows with or without retained fetal membranes in transition period
Metabolic changes in cows with or without retained fetal membranes in transition period...
Investigating and modeling the cleaning-in-place process for retrieving the membrane permeate flux: Case study of hydrophilic polyethersulfone (PES)
) of hydrophilic polyethersulfone
(PES) membrane were investigated. It is found that BPNN has better ability in predicting the PFR performance than RBFNN. The best architecture of BPNN was a network consisting of 1 hidden layer with 15 neurons, which...