黄金科学技术
黃金科學技術
황금과학기술
GOLD SCIENCE AND TECHNOLOGY
2013年
5期
81-85
,共5页
载金炭%方解石%吸附%解析
載金炭%方解石%吸附%解析
재금탄%방해석%흡부%해석
gold loaded active carbon%calcite%adsorption%resolution
炭浸厂活性炭经多次循环使用,活性明显降低,为查明原因,采用光学显微镜和扫描电镜等手段研究了载金炭微观结构。微观研究表明,方解石在炭表面、表层及近表层孔隙中大量存在,且含量呈由表及里减少的趋势。铜吸附以炭片空的孔隙及非孔隙部位为主。活性炭碘值最大影响因素是含钙量,其次是含铜量。根据活性炭吸附和解析原理,结合载金炭微观研究,提出改善活性炭性能的措施。
炭浸廠活性炭經多次循環使用,活性明顯降低,為查明原因,採用光學顯微鏡和掃描電鏡等手段研究瞭載金炭微觀結構。微觀研究錶明,方解石在炭錶麵、錶層及近錶層孔隙中大量存在,且含量呈由錶及裏減少的趨勢。銅吸附以炭片空的孔隙及非孔隙部位為主。活性炭碘值最大影響因素是含鈣量,其次是含銅量。根據活性炭吸附和解析原理,結閤載金炭微觀研究,提齣改善活性炭性能的措施。
탄침엄활성탄경다차순배사용,활성명현강저,위사명원인,채용광학현미경화소묘전경등수단연구료재금탄미관결구。미관연구표명,방해석재탄표면、표층급근표층공극중대량존재,차함량정유표급리감소적추세。동흡부이탄편공적공극급비공극부위위주。활성탄전치최대영향인소시함개량,기차시함동량。근거활성탄흡부화해석원리,결합재금탄미관연구,제출개선활성탄성능적조시。
Having been repeated used in carbon -in -leach plant,the actived carbon’s activity decreased significantly,to find out the cause,author study on gold loaded actived carbon microstructure by optical microscope,SEM and other means.The microscopic study shows that lots of calcite exists in the carbon surface,the surface and near surface pores,and the content of calcite has a decreasing trend from the outside to the inside,and the copper adsorption mainly happened in carbon empty pores and non pore.The biggest factor that affecting the activated carbon’s iodine value is the calcium content,followed by copper content.According to the activated carbon adsorption and desorption principle,and the study on gold loaded actived carbon,the authors proposed the methods to improve the properties of active carbon.