CAJ | 학술논문

以废弃氧化铝催化剂为原料，通过添加晶化导向剂，在水热合成条件下，合成无磷洗涤助剂4A沸石。实验考察了废催化剂的氧化铝转化率、合成4A沸石的晶化导向剂加入量、成胶时间、陈化时间、晶化时间对钙离子交换度的影响，确定了最佳的工艺条件，经X射线衍射检测，晶化产物结晶度高， 4A沸石离子交换度在310 mg(CaCO3)/g(沸石)以上。该工艺降低了原料成本，提高了产品质量，缩短了反应时间，得到了优质洗涤剂用4A沸石。
이폐기양화려최화제위원료，통과첨가정화도향제，재수열합성조건하，합성무린세조조제4A비석。실험고찰료폐최화제적양화려전화솔、합성4A비석적정화도향제가입량、성효시간、진화시간、정화시간대개리자교환도적영향，학정료최가적공예조건，경X사선연사검측，정화산물결정도고， 4A비석리자교환도재310 mg(CaCO3)/g(비석)이상。해공예강저료원료성본，제고료산품질량，축단료반응시간，득도료우질세조제용4A비석。
The synthesis of 4A zeolite is investigated in hydrothermal system with using amorphous crystallization directors and industry waste aluminium catalyst. The conversion rate of Al2O3 in waste catalysts， the quantity of amorphous crystallization directors，gelatification time，aging time and crystallization time have been optimized. The crystalline and products with high crystallization are verified by X-ray diffractometry. The calcium exchangeability of the product is very high (>310 mg CaCO3/g zeolite ) by standard determination. The advantages of this technology are cost-effective， high quality product and short reaction period.