GMT3D - coupling MT3D and MODPHRQ for modelling mulitcomponent reactive transport

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dc.contributor.authorGuerin, Men_AU
dc.contributor.authorZheng, Cen_AU
dc.date.accessioned2024-06-14T02:25:31Zen_AU
dc.date.available2024-06-14T02:25:31Zen_AU
dc.date.issued1997-09-29en_AU
dc.date.statistics2024-05-17en_AU
dc.descriptionPhysical copy held by ANSTO Library at DDC: 519.6/7en_AU
dc.description.abstractReactive transport models have been undergoing development for several decades. Many codes have been documented in the literature and applied to various problems [3] especially in the natural resources, mining and radioactive waste disposal industries. GMT3D is a new three-dimensional multicomponent reactive transport model developed to simulate the aqueous transport and equilibrium geochemistry of multiple chemical species in solution. The code couples MT3DMS [13], a multicomponent version of the three-dimensional transport code MT3D [12], with the equilibrium geochemical code MODPHRQ MODPHRQ is an extended and updated version of the USGS code PHREEQE. Three major conceptual choices were made in developing GMT3D. The first choice was for the type of geochemical model, the choices being kinetic or equilibrium type models. Equilibrium chemistry was chosen over kinetic chemistry since thermodynamic data is more extensive and much better documented than kinetic data. The second choice was for a conceptual model for the transport of aqueous solutes. The deterministic PDE describing advective-dispersive transport was chosen. The final choice was on how to couple the transport PDE’s with the non-linear equations describing equilibrium chemistry. Details on the coupling are presented in Section 3. © World Scientificen_AU
dc.identifier.booktitleComputational techniques and applications: CTAC 97 : proceedings of the eighth biennial conference : University of Adelaide, Adelaide, Australia, 29 September-1 October 1997en_AU
dc.identifier.citationGuerin, M., & Zheng, C. (1997). GMT3D - coupling MT3D and MODPHRQ for modelling multicomponent reactive transport. Paper presented to Computational techniques and applications: CTAC 97: proceedings of the eighth biennial conference : University of Adelaide, Adelaide, Australia, 29 September-1 October 1997. In Noye, J. (ed) Computational techniques and applications: CTAC 97 : proceedings of the eighth biennial conference : University of Adelaide, Adelaide, Australia, 29 September-1 October 1997, (pp. 265-272).en_AU
dc.identifier.conferenceenddate1997-10-01en_AU
dc.identifier.conferencenameComputational techniques and applications: CTAC 97 : proceedings of the eighth biennial conferenceen_AU
dc.identifier.conferenceplaceAdelaide, Australiaen_AU
dc.identifier.conferencestartdate1997-09-29en_AU
dc.identifier.editorsNoye, J.en_AU
dc.identifier.isbn9810235194en_AU
dc.identifier.pagination265-772en_AU
dc.identifier.urihttps://apo.ansto.gov.au/handle/10238/15639en_AU
dc.language.isoenen_AU
dc.publisherWorld Scientificen_AU
dc.subjectMiningen_AU
dc.subjectPorosityen_AU
dc.subjectGeochemistryen_AU
dc.subjectReaction kineticsen_AU
dc.subjectEquilibriumen_AU
dc.subjectAqueous solutionsen_AU
dc.subjectEquationsen_AU
dc.titleGMT3D - coupling MT3D and MODPHRQ for modelling mulitcomponent reactive transporten_AU
dc.typeConference Paperen_AU
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