CAJ | 학술논문

NaY分子筛是水热条件下人工合成的八面沸石,水热合成有两个基本过程：硅铝酸盐水合凝胶的生成和水合凝胶的晶化。晶化过程过长容易产生P型杂晶。晶化时间的长短与成胶胶团粒径的大小有直接关联。超声波辅助液相合成NaY,实现溶液浓度和周围温度的快速均匀化,使成胶胶团颗粒变小,缩短胶团溶解时间,另一方面促进晶核的形成。结果表明：超声波条件下NaY分子筛晶化速率加快、晶化时间缩短；产品结晶度高,粒度分布变宽,小晶粒增多。
NaY분자사시수열조건하인공합성적팔면비석,수열합성유량개기본과정：규려산염수합응효적생성화수합응효적정화。정화과정과장용역산생P형잡정。정화시간적장단여성효효단립경적대소유직접관련。초성파보조액상합성NaY,실현용액농도화주위온도적쾌속균균화,사성효효단과립변소,축단효단용해시간,령일방면촉진정핵적형성。결과표명：초성파조건하NaY분자사정화속솔가쾌、정화시간축단；산품결정도고,립도분포변관,소정립증다。
NaY molecular sieve is faujasite by artificially synthesized under the condition of hydrothermal. There are two basic processes in the hydrothermal synthesis: the generation of silicon aluminate hydration gel and the crystallization of hydration gel. If the crystallization procession is too long, it will produce P type of mix crystal. The length of the crystallization time is connected to the size of the gel micelle particle size directly. The ultrasonic made liquid phase NaY’s synthesis, to realise the rapid homogenization of the solution’s concentration and surrounding temperature, to make the gel micelle particles smaller, and shorten the micelle dissolution time, to promote the formation of crystal nucleus on the other hand. The velocity of NaY molecular sieve crystallization expedited, the crystallinity of the production was higher, the distribution of particle size became wider, made more small particles, and shortened the crystallization time under the condition of ultrasonic.