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dc.contributor.authorZhang, Huibo
dc.contributor.authorJing, Guolin
dc.contributor.authorLuo, Jian
dc.contributor.authorTang, Yuening
dc.contributor.authorYu, Qiming Jimmy
dc.contributor.authorZheng, Chen
dc.contributor.authorWang, Mengqi
dc.description.abstractPolyacrylamide (PAM) was studied in two characteristic soils in Daqing City: chernozem and saline soil. 120 mg L−1 of KBr was used as a conservation tracer to estimate diffusion coefficients and pore velocities of chernozem and saline soil by using the breakthrough curves (BTCs) of Br–. Isothermal adsorption equations were coupled with the traditional two-site model to establish the transportation equation of PAM. The results of comparing the simulation curve with the BTCs of PAM at different rates showed that the transportation equation of PAM could simulate the transport process of PAM in soil column accurately. PAM behaved as non-equilibrium adsorption in both soils by calculating the kinetic parameters in this equation. The results of this work not only confirmed the kinetic parameters of PAM in both soils, but also found that there is a good liner relationship between the mass transfer coefficient and pore velocity. The R2 values of the two linear equations are 0.983 and 0.979. These linear equations provide a good prediction basis for site prediction. In addition, it was found that organic matter is the main influence factor for the adsorption capacity of chernozem causing significantly larger than that of saline soil.
dc.publisherTaylor & Francis
dc.publisher.placeUnited Kingdom
dc.relation.ispartofjournalEnvironmental Technology
dc.subject.fieldofresearchEnvironmental Sciences
dc.subject.fieldofresearchBiological Sciences
dc.subject.keywordsT-S model
dc.subject.keywordsmass transfer coefficient
dc.subject.keywordsnon-equilibrium adsorption
dc.subject.keywordspore velocity
dc.titleAssessment of transportation processes of polyacrylamide in chernozem and saline soil by numerical model
dc.typeJournal article
dc.type.descriptionC1 - Articles
dcterms.bibliographicCitationZhang, H; Jing, G; Luo, J; Tang, Y; Yu, QJ; Zheng, C; Wang, M, Assessment of transportation processes of polyacrylamide in chernozem and saline soil by numerical model., Environmental Technology, 2019, pp. 1-11
gro.description.notepublicThis publication has been entered into Griffith Research Online as an Advanced Online Version.
gro.hasfulltextNo Full Text
gro.griffith.authorYu, Jimmy J.

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