%0 Journal Article
%T Adsorption and degradation of phenol on natural manganeseore surfaces<br>天然矿物锰矿砂对苯酚的界面吸附与降解研究
%A ZHENG Hong
%A TANG Hongxiao
%A <br>郑红
%A 汤鸿霄
%J 环境科学学报
%D 1999
%I 
%X Inthispaper,theadsorptionand degradationofphenolon naturalmanganeseore werestudied. Theresultsindicatethat manganeseoreparticlesareexcellentadsorbentsforphenol.Highertemperature, low pHand higher massratio ofsolid/phenolarefavorabletoadsorptionofphenolon manganeseoresur faces.Second order kinetics were observed during adsorption process.The adsorption isotherms are linearised accordingto Langmuir model.Conditionaladsorption constantsandtotal manganese oresurface siteconcentration ofsurfacecomplexesofphenol with manganeseoreparticles werecalculatedbyasimpli fiedsurfacecomplexation model.Removalpercentage ofphenolon manganeseoresurfaces underthe best condition wasover80% ,in whichsunlightphotolysispercentage wasabout6% .p benzoquinone was main oxidized product underacidicpHconditions.Lightisfavorabletotheredox reaction oninterface.Possible degradation mechanisms were discussed.
%K natural minerals
%K manganese ore
%K phenol
%K adsorption
%K degradation<br>天然矿物
%K 锰矿砂
%K 苯酚
%K 吸附
%K 降解
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=A7CA601309F5FED03C078BCE383971DC&jid=03A55E61A8750ACAC6AF81EF9E2AC838&aid=7D4A92983A5418AC&yid=B914830F5B1D1078&vid=2A8D03AD8076A2E3&iid=B31275AF3241DB2D&sid=06D504E5261AB652&eid=23F919F7BAF87909&journal_id=0253-2468&journal_name=环境科学学报&referenced_num=24&reference_num=2