仲恺农业工程学院学报
仲愷農業工程學院學報
중개농업공정학원학보
JOURNAL OF ZHONGKAI UNIVERSITY OF AGRICULTURE AND TECHNOLOGY
2012年
2期
42-45
,共4页
王品%尹国强%杜建军%王新爱%黄帮裕%唐俏云%彭天保
王品%尹國彊%杜建軍%王新愛%黃幫裕%唐俏雲%彭天保
왕품%윤국강%두건군%왕신애%황방유%당초운%팽천보
丙烯酰胺%高吸水树脂%重金属离子%选择性吸附
丙烯酰胺%高吸水樹脂%重金屬離子%選擇性吸附
병희선알%고흡수수지%중금속리자%선택성흡부
acrylamide%superabsorbent polymer%heavy metal ion%selective adsorption
以自制和市售的3种丙烯酰胺型高吸水树脂为试样,通过静态吸附法,就树脂对Cd2＋、Cu2＋和Ni2＋等3种重金属离子的吸附行为以及树脂吸附Cu2＋后在1 mol/L的HCl溶液中的解吸附性能进行了研究.结果表明,离子浓度越大,丙烯酰胺型高吸水树脂对Cd2＋、Cu2＋和Ni2＋的吸附量也越大,最大吸附量分别达到1.66 mmol/g、3.42 mmol/g和1.31 mmol/g.树脂在3种重金属离子的混合溶液中呈现一定的选择性吸附,吸附量大小依次为Cu2＋〉Cd2＋〉Ni2＋.3种树脂吸附Cu2＋后在1 mol/L的HCl溶液中解吸附3 min时,解吸附率分别达到98.62%、98.45%和83.87%.
以自製和市售的3種丙烯酰胺型高吸水樹脂為試樣,通過靜態吸附法,就樹脂對Cd2＋、Cu2＋和Ni2＋等3種重金屬離子的吸附行為以及樹脂吸附Cu2＋後在1 mol/L的HCl溶液中的解吸附性能進行瞭研究.結果錶明,離子濃度越大,丙烯酰胺型高吸水樹脂對Cd2＋、Cu2＋和Ni2＋的吸附量也越大,最大吸附量分彆達到1.66 mmol/g、3.42 mmol/g和1.31 mmol/g.樹脂在3種重金屬離子的混閤溶液中呈現一定的選擇性吸附,吸附量大小依次為Cu2＋〉Cd2＋〉Ni2＋.3種樹脂吸附Cu2＋後在1 mol/L的HCl溶液中解吸附3 min時,解吸附率分彆達到98.62%、98.45%和83.87%.
이자제화시수적3충병희선알형고흡수수지위시양,통과정태흡부법,취수지대Cd2＋、Cu2＋화Ni2＋등3충중금속리자적흡부행위이급수지흡부Cu2＋후재1 mol/L적HCl용액중적해흡부성능진행료연구.결과표명,리자농도월대,병희선알형고흡수수지대Cd2＋、Cu2＋화Ni2＋적흡부량야월대,최대흡부량분별체도1.66 mmol/g、3.42 mmol/g화1.31 mmol/g.수지재3충중금속리자적혼합용액중정현일정적선택성흡부,흡부량대소의차위Cu2＋〉Cd2＋〉Ni2＋.3충수지흡부Cu2＋후재1 mol/L적HCl용액중해흡부3 min시,해흡부솔분별체도98.62%、98.45%화83.87%.
The adsorption properties of three kinds of acrylamide superabsorbent polymers,both of sale and self-prepared,for Cd2＋,Cu2＋ and Ni2＋ were discussed.The desorption behavior of adsorbed polymers for Cu2＋ in 1 mol/L HCl solution were studied.The results showed that the adsorption capacities for Cd2＋,Cu2＋ and Ni2＋ were increased with the increase of the concentration of heavy metal ions,and the maxima were found to be 1.66 mmol/g,3.42 mmol/g and 1.31 mmol/g,respectively.The polymers showed that the selective adsorption in ternary metal ion solution,and the sequence of the adsorption capacies were Cu2＋〉Cd2＋〉Ni2＋.The desorption ratios of Cu2＋ on the three kinds of polymers were 98.62 %,98.45 % and 83.87 %,respectively,in 3 minutes.
