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Fine particle aggregating and flotation behavior induced by high intensity conditioning of a co_2 saturation slurry

Mining Science and Technology 2009年第4期19卷 483-488页

作者： SUN Wei DENG Mei-jiao HU Yue-hua School of Minerals Processing and Bioengineering Central South University Changsha Hunan 410083 China

The influence on fine particle aggregation and flotation behavior induced by high intensity conditioning(HIC) from saturated of the slurry with co2 saturation was *** size measurements were *** effect of dissolved gas,xanthate addition and agitation speed on fine sphalerite particle aggregation-and flotation-behavior were *** results show that during HIC in air or co2 saturated water xanthate acts as a *** dissolved gas content in the pulp and HIC play a synergistic role in promoting fine particle aggregation and hence flotation;a significantly enhanced aggregation of fine sphalerite particles in a co2 saturated slurry by HIC is *** aggregate size increased when the agitation speed was increased from 700 r/min to 1500 r/*** the HIC speed to 1500 r/min caused a positive impact on flotation *** increasing the speed to 2000 r/min resulted in an adverse effect on flotation kinetics.

关键词： co2 saturation high intensive conditioning cavitation aggregation flotation

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Geophysical monitoring technology for co_2 sequestration

引用

Applied Geophysics 2016年第2期13卷 288-306,417,418页

作者：马劲风李琳王浩璠谭明友崔世凌张云银曲志鹏贾凌云张树海大陆动力学国家重点实验室西北大学地质学系西安710069 中国石油化工股份有限公司胜利油田分公司物探研究院东营257022 中国石油化工股份有限公司中原油田分公司物探研究院濮阳457001

Geophysical techniques play key roles in the measuring, monitoring, and verifying the safety of co2 sequestration and in identifying the efficiency of co2-enhanced oil recovery. Although geophysical monitoring techniques for co2 sequestration have grown out of conventional oil and gas geophysical exploration techniques, it takes a long time to conduct geophysical monitoring, and there are many barriers and challenges. In this paper, with the initial objective of performing co2 sequestration, we studied the geophysical tasks associated with evaluating geological storage sites and monitoring co2 sequestration. Based on our review of the scope of geophysical monitoring techniques and our experience in domestic and international carbon capture and sequestration projects, we analyzed the inherent difficulties and our experiences in geophysical monitoring techniques, especially, with respect to 4D seismic acquisition, processing, and interpretation.

关键词： Carbon capture and storage geophysical monitoring 4D seismic monitoring co2 saturation reservoir pressure

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