|
OALib Journal期刊
ISSN: 2333-9721
费用：99美元
|
|
|
|
tio2/竹炭复合体光催化材料的孔隙结构及分布
DOI: 10.3969/j.jssn.1000-2006.2010.03.024, PP. 117-120
Keywords: 纳米tio2,竹炭,纳米改性竹炭,比表面积,孔隙结构
Abstract:
采用比表面积及孔径分析技术，测定了浸渍法制备的tio2/竹炭复合体光催化材料的氮吸附等温线，进而运用bet理论计算了其比表面积、总孔容积和平均孔径分别为359.81m2/g、0？3172cm3/g和3.526nm。同时，依据bjh模型分析了其中孔的孔隙结构参数和孔径分布。结果表明：经过纳米tio2改性的竹炭不仅保留了竹炭固有的孔隙结构，而且其比表面积、孔容积、孔径都有所增加。经纳米tio2改性制备的光催化材料的中孔孔容积比竹炭提高了65.86%。
| [1] | ojedaml,esparzajm,camperoa,etal.oncomparingbjhandnldftpore？sizedistributionsdeterminedfromn2sorptiononsba15substrata[j].physicalchemistrychemicalphysics,2003,5(9):1859-1866.
|
| [2] | 刘振宇,郑经堂,王茂章,等.pan基活性炭纤维的表面及其孔隙结构解析[j].化学物理学报,2001,17(7):473-480.
|
| [3] | mastalerzm,drobniaka,ruppj.meso？andmicroporecharacteristicsofcoallithotypes:implicationsforco2adsorption[j].energy&fuels,2008,22(6):4049-4061.
|
| [4] | minor？péreze,mendoza？sernar,méndez？vivarj,etal.preparationandcharacterizationofmulticomponentporousmaterialspreparedbythesol？gelprocess[j].journalofporousmaterials,2006,13(1):13-19.
|
| [5] | murraykl,seatonna,dayma.anadsorption？basedmethodforthecharacterizationofporenetworkscontainingbothmesoporesandmacropores[j].langmuir,1999,15(20):6728-6737.
|
| [6] | brunauers,demingls,demingwe,etal.onatheoryofthevanderwaalsadsorptionofgases[j].jamchemsoc,1940,62(7):1723-1732.
|
| [7] | 近藤精一.吸附科学[m].李国希,译.北京:化学工业出版社,2006.
|
| [8] | 陈凤婷,曾汉民.几种植物基活性炭材料的孔结构与吸附性能比较――(1)孔结构表征[j].离子交换与吸附,2004,20(2):104-109.
|
| [9] | 郝晶玉,刘宗怀.纳米二氧化钛光催化剂的研究进展[j].钛工业进展,2007,24(1):36-41.
|
| [10] | 陈建.纳米材料二氧化钛的研究进展[j].化工时刊,2009,23(1):49-52.
|
| [11] | 卢克阳.竹炭吸湿性能的初步研究[j].木材工业,2006,20(3):20-22.
|
| [12] | 赵振国.吸附作用应用原理[m].北京:化学工业出版社,2005.
|
| [13] | nilssonm,mihranyana,valizadehs,etal.mesoporestructureofmicrocrystallinecellulosetabletscharacterizedbynitrogenadsorptionandsem:theinfluenceonwater？inducedionicconduction[j].thejournalofphysicalchemistryb,2006,110(32):15776-15781.
|
| [14] | sonwanecg,bhatiask.characterizationofporesizedistributionsofmesoporousmaterialsfromadsorptionisotherms[j].thejournalofphysicalchemistryb,2000,104(39):9099-9110.
|
Full-Text
|
|
Contact Us
service@oalib.com QQ:3279437679 
WhatsApp +8615387084133
|
|
