[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Yaroshchuk, 2008 - Google Patents

Negative rejection of ions in pressure-driven membrane processes

Yaroshchuk, 2008

View PDF
Document ID
9891275396660809833
Author
Yaroshchuk A
Publication year
Publication venue
Advances in colloid and interface science

External Links

Snippet

Negative rejections of ions in pressure-driven membrane processes can be caused by several distinct mechanisms. In a number of cases, in a final count, the phenomenon is brought about by increased concentration of an ion in the membrane phase. In the case of …
Continue reading at www.academia.edu (PDF) (other versions)

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis, ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis Electro-ultrafiltration
    • B01D61/44—Ion-selective electrodialysis
    • B01D61/46—Apparatus therefor
    • B01D61/50—Stacks of the plate-and-frame type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis, ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane formation
    • B01D67/0023—Organic membrane formation by inducing porosity into non porous precursor membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis, ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or pososity of the membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • B01D71/024—Oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material

Similar Documents

Publication Publication Date Title
Yaroshchuk Negative rejection of ions in pressure-driven membrane processes
Garcia-Aleman et al. Permeation of mixed-salt solutions with commercial and pore-filled nanofiltration membranes: membrane charge inversion phenomena
Yaroshchuk et al. Solution-diffusion-film model for the description of pressure-driven trans-membrane transfer of electrolyte mixtures: One dominant salt and trace ions
Rezaei et al. Wetting prevention in membrane distillation through superhydrophobicity and recharging an air layer on the membrane surface
Jiang et al. Water electro-transport with hydrated cations in electrodialysis
Epsztein et al. Role of ionic charge density in donnan exclusion of monovalent anions by nanofiltration
Mohammad et al. Prediction of permeate fluxes and rejections of highly concentrated salts in nanofiltration membranes
Escoda et al. Influence of salts on the rejection of polyethyleneglycol by an NF organic membrane: pore swelling and salting-out effects
Han et al. Ion hydration number and electro-osmosis during electrodialysis of mixed salt solution
Paugam et al. Mechanism of nitrate ions transfer in nanofiltration depending on pressure, pH, concentration and medium composition
Afonso et al. Streaming potential measurements to assess the variation of nanofiltration membranes surface charge with the concentration of salt solutions
Pages et al. Rejection of trace ionic solutes in nanofiltration: Influence of aqueous phase composition
Shirazi et al. Evaluation of commercial PTFE membranes in desalination by direct contact membrane distillation
Zhu et al. Fouling of reverse osmosis membranes by aluminum oxide colloids
Strathmann Electrodialysis, a mature technology with a multitude of new applications
Caprarescu et al. San copolymer membranes with ion exchangers for Cu (II) removal from synthetic wastewater by electrodialysis
Garba et al. Ion transport modelling through nanofiltration membranes
Ortiz-Albo et al. Phenomenological prediction of desalination brines nanofiltration through the indirect determination of zeta potential
Shefer et al. Enthalpic and entropic selectivity of water and small ions in polyamide membranes
Martın et al. Zeta potential of membranes as a function of pH: Optimization of isoelectric point evaluation
Artuğ et al. A comprehensive characterization of commercial nanofiltration membranes
Morão et al. Modelling the separation by nanofiltration of a multi-ionic solution relevant to an industrial process
Escoda et al. Assessment of dielectric contribution in the modeling of multi-ionic transport through nanofiltration membranes
Déon et al. Transport of salt mixtures through nanofiltration membranes: numerical identification of electric and dielectric contributions
Hilal et al. A combined ion exchange–nanofiltration process for water desalination: II. Membrane selection