Measurement of Reaction Rate of Gelled Acids and Calcite with the Rotating Disk Apparatus

Authors: Yunhu Liao, Dezheng Zhang, Jianfeng Peng, Hao Liang, Yunlei Gong

An investigation has been made to study the reaction kinetics of gelled acids with calcite using a rotating disk apparatus. The rheological experiments revealed that all gelled acids behaved as non-Newtonian shear thinning fluids. With the rotating disk apparatus, the reaction kinetics parameters, activation energy, and effective diffusion coefficients were determined. It was found that the reaction of gelled acid with calcite was mass transfer limited at low polymer concentration and moving toward surface reaction limited at higher polymer concentration. And the diffusion rate marginally decreased, with increasing the polymer concentration.


Journal: Natural Resources
DOI: 10.4236/nr.2017.88035

Paper Id: 78186 (metadata)

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