【正文】
2 h ou rs4 h ou rs6 h ou rsua rtzAAna lcim ePZe ol ite PD Di op sid eintensity / counts2 ? / degree AAAAAAAAAAAPPPPPADD8 h ou rs ( a ) ( b) 25 ? m 2 ? m ( d ) ( c) ( e ) ( f ) 5 ? m 3 ? m 5 ? m 5 ? m 反應(yīng)過程及機(jī)理 不同反應(yīng)階段形貌變化: ( a)水熱反應(yīng)前陶粒光滑的表面; ( b)溶解作用在反應(yīng)界面形成的小坑; ( c) ~( f)沸石相的晶化和聚集 多級(jí)孔隙結(jié)構(gòu) (mmμm nm) ~1mm 陶粒宏觀孔洞 μm 沸石相形成的網(wǎng)狀結(jié)構(gòu) nm 級(jí) 沸石內(nèi)部硅鋁骨架結(jié)構(gòu) (c) 沸石陶粒對(duì)重金屬鉛的吸附: ( a)鉛離子濃度隨吸附時(shí)間的變化 ( b) 鉛離子初始濃度與去除率之間的關(guān)系 ( c) 鉛離子的吸附等溫線 0 2 4 6 8 10 12 14 16020406080100 Ct / C0 for Pb2+ (%)ad so rp tio n t ime (h )0 100 200 30050100150200 qe (mg/g)Ce (mg /L) ex pe rime nt da ta lan gm uir fit fo r e x pe rime nt da ta( a ) ( b ) ( c ) 0 100 200 300 400 500707580859095100105 Pb2+ removal ratio (%)in iti al c on ce ntr ati on of Pb2+ (mg /L) 0 2 4 6 8 10 12 14 16020406080100 Ct / C0 for Pb2+ (%)ad so rp tio n t ime (h )0 100 200 30050100150200 qe (mg/g)Ce (mg /L) ex pe rime nt da ta lan gm uir fit fo r e x pe rime nt da ta( a ) ( b ) ( c ) 0 100 200 300 400 500707580859095100105 Pb2+ removal ratio (%)in iti al c on ce ntr ati on of Pb2+ (mg /L) 0 2 4 6 8 10 12 14 16020406080100 Ct / C0 for Pb2+ (%