摘要
Solutions of Mg(NO3)2·6H2O, Al(NO3)3·9H2O, NaOH and Na2CO3 were mixed in a rotating liquid memb rane reactor. The crystal growth process of Mg Al CO3 hydrotalcite was then studied by adding different amounts of water to the resulting slurry during the crystallizing process. The initial 6 hours of the crystallization was found to be the key period controlling crystal growth. Adding 150 to 250mL of water to the reaction system at the beginning of crystallization affords Mg Al CO3 hydrotalcite with relatively small particle size and large aspect ratio.
Solutions of Mg(NO3)(2) (.) 6H(2)O, Al(NO3)3 (.) 9H(2)O, NaOH and Na2CO3 were mixed in a rotating liquid-membrane reactor. The crystal growth process of Mg-Al-CO3 hydrotalcite was then studied by adding different amounts of water to the resulting slurry during the crystallizing process. The initial 6 hours of the crystallization was found to be the key period controlling crystal growth. Adding 150 to 250mL of water to the reaction system at the beginning of crystallization affords Mg-Al-CO3 hydrotalcite with relatively small particle size and large aspect ratio.
出处
《无机化学学报》
SCIE
CAS
CSCD
北大核心
2002年第11期1156-1160,共5页
Chinese Journal of Inorganic Chemistry
基金
北京市基金资助项目(No.2002016)。
