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Non-aqueous supercritical CO2 (scCO2) fracturing stimulation techniques have acquired much attention in the development of tight gas reservoirs recently. However, few researches have devoted to the impact of scCO2 fracturing fluid on permeability and relevant mechanisms. In this study, phase behaviors of thickener polydimethylsiloxane (PDMS) and co-solvent kerosene in scCO2 were studied. The regained...
Porous carbons were prepared from Shengli petroleum coke (SPC) and Minxi petroleum coke (MPC) by different activation methods with H 2 O, KOH and/or KOH+H 2 O as active agents. The porous carbons were characterized by nitrogen adsorption at 77K. It has been found that activation method and component of petroleum coke, of which different kinds of transitional metals on petroleum coke...
In China, the generation of municipal solid waste (MSW) incineration solid residues is expected to increase significantly in the future. Because of ever-increasing generation rates and the concentrations of potentially hazardous heavy metals, which may endanger the ambient environment, these solid residues are of particular concern. Thus, such issues have necessitated the study of the characterization...
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