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10.1038/srep33086 http://scihub22266oqcxt.onion/10.1038/srep33086 C5018885!5018885!27615371     free     free     free       Sci+Rep 2016 ; 6 (ä): ä Nephropedia Template TP {{tp|p=27615371|t=2016. The dynamic nature of crystal growth in pores |pdf=|usr=}}{{27615371}} gab.com Text The dynamic nature of crystal growth in pores JO: Sci Rep http://www.kidney.de/pget.php?&tw=1&pmid=27615371 #FOAvip The kinetics of crystal growth in porous media controls a variety of natural processes such as ore genesis and crystallization induced fracturing that can trigger earthquakes and weathering, as well as, sequestration of CO2 and toxic metals into geological formations. Progress on understanding those processes has been limited by experimental difficulties of dynamically studying the reactive surface area and permeability during pore occlusion. Here, we show that these variables cause a time-dependency of barite growth rates in microporous silica. The rate is approximately constant and similar to that observed on free surfaces if fast flow velocities predominate and if the time-dependent reactive surface area is accounted for. As the narrower flow paths clog, local flow velocities decrease, which causes the progressive slowing of growth rates. We conclude that mineral growth in a microporous media can be estimated based on free surface studies when a) the growth rate is normalized to the time-dependent surface area of the growing crystals, and b) the local flow velocities are above the limit at which growth is transport-limited. Accounting for the dynamic relation between microstructure, flow velocity and growth rate is shown to be crucial towards understanding and predicting precipitation in porous rocks. Twit Text FOAVip The dynamic nature of crystal growth in pores ????Sci Rep http://www.kidney.de/pget.php?&tw=1&pmid=27615371 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=27615371 #FOAvip English Wikipedia <ref>{{Cite pmid|27615371}}</ref> The dynamic nature of crystal growth in pores #MMPMID27615371 Godinho JRA; Gerke KM; Stack AG; Lee PD Sci Rep 2016[]; 6 (ä): ä PMID27615371show ga The kinetics of crystal growth in porous media controls a variety of natural processes such as ore genesis and crystallization induced fracturing that can trigger earthquakes and weathering, as well as, sequestration of CO2 and toxic metals into geological formations. Progress on understanding those processes has been limited by experimental difficulties of dynamically studying the reactive surface area and permeability during pore occlusion. Here, we show that these variables cause a time-dependency of barite growth rates in microporous silica. The rate is approximately constant and similar to that observed on free surfaces if fast flow velocities predominate and if the time-dependent reactive surface area is accounted for. As the narrower flow paths clog, local flow velocities decrease, which causes the progressive slowing of growth rates. We conclude that mineral growth in a microporous media can be estimated based on free surface studies when a) the growth rate is normalized to the time-dependent surface area of the growing crystals, and b) the local flow velocities are above the limit at which growth is transport-limited. Accounting for the dynamic relation between microstructure, flow velocity and growth rate is shown to be crucial towards understanding and predicting precipitation in porous rocks. äThe dynamic nature of crystal growth in pores (epmc).pdf DeepDyve Pubget Overpricing