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Anion exchange

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Journal Articles
Journal: Corrosion
Corrosion 60 (03).
Paper Number: NACE-04030219
Published: 01 March 2004
.... Corresponding author. E-mail: h.n.mcmurray@swan.ac.uk. * Materials Research Centre, School of Engineering, University of Wales Swansea, Singleton Park, Swansea SA2 8PP, United Kingdom. Inhibition of Filiform Corrosion on Organic-Coated Aluminum Alloy by Hydrotalcite-Like Anion-Exchange Pigments H.N. McMurray...
Journal Articles
SPE J. 18 (03): 207–218.
Paper Number: SPE-6595-PA
Published: 01 June 1978
...D.R. Zornes; G.P. Willhite; M.J. Michnick The separation of petroleum mono- and disulfonates on an anion-exchange column using high-pressure liquid chromatography (HPLC) was investigated as a method /or the determination of sulfonate concentrations in aqueous or hydrocarbon solutions. Quantitative...
Journal Articles
J Pet Technol 36 (06): 1027–1032.
Paper Number: SPE-11001-PA
Published: 01 June 1984
... with the chloride ion for exchange sites on the anionic resin. Lowering the pH of the leachate to 6.5 by CO2 gas addition, however, increased loading to 8 Ibm U3O8/cu ft resin [128 g/dm3]. The pH-lowering effect worked especially well at relatively high salt concentration. The same leachate, with its chloride...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206088-MS
... complexation reactions. Then, wettability alteration is modeled as a set of anion exchange reactions between wettability modifiers, like SO 4 2 − and Gly − , and adsorbed carboxylic acids. Finally, analytical solutions are presented for the coupled two-phase and multicomponent reactive...
Proceedings Papers

Paper presented at the SPE International Oilfield Scale Conference and Exhibition, May 11–12, 2016
Paper Number: SPE-179902-MS
... techniques using anion exchange cartridges for sulphonated species in our labs as detailed in our previous works in SPE 131100. [ 1 ] In addition, chromatographic techniques including Gel Permeation Chromatography (GPC) [ 2 ] and various other methodologies (described in the literature as 2 nd and 3 rd...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference, February 28–March 2, 1988
Paper Number: SPE-17198-MS
... with the basal plane of the crystallites. The surface interacts with these anions through an ion exchange mechanism, similar to that of anion exchange resin or clay mineral. The MMLHC that is being utilized in this application consists of very small particles having dimensions of approximately 0.05 microns...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-11633
... PBAT with LDH fillers a type of anion exchanged clays also known as hydrotalcite, with a brucite like structure; having a general formula [MII1-xMIIIx(OH)2x]x+(An-)x/n.mH2O, where MII represents a divalent metal, MIII a trivalent metal, and An- an anion will help to increase the corrosion resistance...
Journal Articles
Journal: Corrosion
Corrosion 59 (02).
Paper Number: NACE-03020112
Published: 01 February 2003
... pigments.2-4 They are inorganic oxides with a comparatively high surface area loaded with ionic corrosion inhibitors by ion-exchange with surface hydroxyl groups. The ion-exchangers are chosen for their acidic and basic properties to provide cation or anion exchangers, thus usually silica is used...
Proceedings Papers

Paper presented at the 5th World Petroleum Congress, May 30–June 5, 1959
Paper Number: WPC-8409
... ABSTRACT. This paper describes the use of ion exchange resins for separating traces of organic acids and bases, and pyrrolic nitrogen compounds from petroleum distillates. The bases are adsorbed by cation exchange resins, while the acids and pyrrolic nitrogen compounds are absorbed by anion...
Proceedings Papers

Paper presented at the SPE Annual Fall Technical Conference and Exhibition, October 9–12, 1977
Paper Number: SPE-6871-MS
... of fluoride ion is pumped into the formation. This solution will contact acidic clay particles and combine with protons previously adsorbed to generate hydrofluoric acid on the clay minerals. In addition, some anion exchange will occur whereby fluoride ions (F-) will substitute for the anions natural...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 13–16, 2017
Paper Number: SPE-188806-MS
... investigation, but one theory is that anion exchange with decreasing SO4 −− concentration in the injected brine changes the wettability to increased water wetness and improves the oil recovery. Chemical reactions could be used to represent this ion exchange and the resulting wettability alteration...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, April 23–26, 2019
Paper Number: SPE-195363-MS
... of electrocoagulation followed by reverse osmosis to desalinate the produced water and remove aromatic hydrocarbons. Boron removal would be accomplished by use of a boron-specific anion exchange resin downstream of the reverse osmosis membranes. The pilot treatment system would be designed and installed to comply...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, February 20–22, 1991
Paper Number: SPE-21049-MS
... are discussed below. Halide Properties Although the halides are naturally present in most oil field brines, their use as water tracers Is well documented. Since anion exchange with many formation materials appears to be small, little delay in transport of the halides through porous media exists. In addition...
Proceedings Papers

Paper presented at the CORROSION 2014, March 9–13, 2014
Paper Number: NACE-2014-4150
... corrosion issue inside the muffler in a certain region. In order to know whether the aggressiveness of the condensates varies depending on the regions, the condensates were collected from the test car in two different regions. The analysis of the recovered condensate using an anion exchange ion...
Proceedings Papers

Paper presented at the CORROSION 2010, March 14–18, 2010
Paper Number: NACE-10244
... using anion exchange resins, whereupon the separated technetium species can be collected, converted to Tc metal, and immobilized into a waste form for long-term storage or transmutation 4,5,6 . Motivation to immobilize metallic Tc into a fixed ratio of SS 85 Zr 15 at various weight loading percentages...
Proceedings Papers

Paper presented at the SPE International Health, Safety & Environment Conference, April 2–4, 2006
Paper Number: SPE-98550-MS
... and anion exchange capacity of natural clayey soils to adsorb barite and chloride from drilling cuttings, and by submitting the resulting material to thermal processes in order to volatize their organic constituents. The resulting material could well be used as brick or tiles by the building industry...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, February 20–22, 1991
Paper Number: SPE-21005-MS
... SPE Member Abstract This paper compares two ion-chromatography (IC) methods for the analysis of phosphate-based scale inhibitors in oil field brines. Both methods use an anion-exchange column with a nitric acid mobile phase for component separation, followed by mixing phase for component...
Journal Articles
SPE Prod & Oper 3 (04): 619–624.
Paper Number: SPE-14284-PA
Published: 01 November 1988
... to remove corrosive oxygen from injection waters. Palladium-impregnated anion-exchange resin beads in a packed column are used as reaction sites for H 2 and O 2 to form water. 22 9 1985 14 9 1987 23 10 1987 1 11 1988 1 11 1988 Copyright 1988, Society of Petroleum Engineers...
Adsorption isotherm of COO −  and Gly as a function of a) glycine <span class="search-highlight">anion</span> con...
Published: 15 September 2021
Figure 7 Adsorption isotherm of COO − and Gly as a function of a) glycine anion concentration and b) total glycine concentration with their corresponding k values for the anion exchange reaction in Equation 9 . More
Hyamine 1622 calibration of formulated polymer 4 concentration in sea water...
Published: 14 May 2014
Figure 6 Hyamine 1622 calibration of formulated polymer 4 concentration in sea water after weak anion exchange cartridge pre-treatment More

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