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Uncertainties in the Mercury Mass Balance in a Coal-Based IGCC Power Plant (Puertollano, Spain)

Energy Engineering 2021年第4期118卷 1223-1235页

作者： José María Esbrí Alba Martinez-Coronado Sofía Rivera Jurado Eva García-Noguero pablo higueras Instituto de Geología Aplicada(UCLM) Pl.Manuel Meca1Ciudad Real13400Spain

Mercury(Hg)is a global pollutant that is subject to strict regulations to reduce anthropogenic *** production of energy represents an important activity that leads to Hg emissions into the *** all the systems used,IGCC plants are the most promising for reducing Hg emissions,since it is possible to remove Hg from syngas prior to *** aim of the present work was to evaluate the presence of Hg in the main streams of an experimental IGCC plant(ELCOGAS,Puertollano)in order to quantify Hg emissions and investigate the possibility of reducing *** main streams of the system were sampled for three consecutive days and both the solids,i.e.,raw material(coal and petroleum coke),fine and coarse slags,fly ash,sulphur,and the liquids,i.e.,slag system,Venturi scrubber and saturator,were *** results show that an average of 12.9%of the Hg that enters the IGCC power plant is eliminated with solid waste and only 0.08%with liquid *** is still an average of 87.12%of Hg that is not accounted for in the mass balance and that could remain in the system and/or be eliminated in the streams that were not *** it is impossible to offer an explanation for the final fate of the Hg lost in the system based on the obtained results,the data suggest that sulphur byproducts could be primarily responsible for the elimination of Hg from the syngas,and that a major proportion of Hg should be emitted via the chimney after the syngas combustion process.

关键词： Mercury IGCC power plant mass-balance hypercinnabar

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Use of Platelet Rich Plasma (PRP) in the Treatment of Acute Post Intubation Tracheal Rupture: Report of Two Cases

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International Journal of Clinical Medicine 2015年第7期6卷 487-495页

作者： Patricio Rioseco S Sergio Tapia Z Verónica Céspedes S Juan pablo Silva C Paulina Lozano F Respiratory Unit Hospital Las Higueras Talcahuano Chile Transfusional Medicine Unit Hospital Las Higueras Talcahuano Chile Internal Medicine Universidad de Concepciòn Concepciòn Chile

The use of PRP involves a complex network of molecular events which accelerate tissue regenera-tion due to its richness in growth factors plus a variety of biologic mediators. Several communica-tions tell us about its usefulness on the dental implantology field, plastic surgery, orthopedics and peripheral nerve regeneration after trauma. We have presented our successful experience of its use in pneumology when treating severe hemoptysis, respiratory fistulae, spontaneous pneumothorax and one tracheal rupture. In this article we present two cases of post intubation tracheal rupture successfully treated with the local instillation of PRP on one of them and with the injection of PRP along the lips of the tracheal wound on the other. Tracheal rupture is a rare but life threatening complication of emergency intubation requiring an effective response in order to avoid the risk of patient death due to secondary mediastinitis and sepsis. Up to now there is no general consensus in the treatment of this condition and alternatives in use are not universally accepted. The use of local autologous PRP in our experience has demonstrated a favorable performance in such cases, turning it in a highly promising tool for the treatment of conditions such as this, in which a rapidly effective and minimally invasive handling is required.

关键词： Tracheal Rupture Endotracheal Intubation Platelet Rich Plasma

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