本文選題：煤系高嶺土　切入點：原位晶化　出處：《金屬礦山》2017年04期

【摘要】：為尋找優(yōu)質、價廉、適合合成FCC催化劑用的后備高嶺土資源,以淮北煤系高嶺土為原料,采用原位晶化法進行了合成NaY分子篩試驗。結果表明,提純后的淮北煤系高嶺土在導向劑添加量為9%、晶化時間為24 h、晶化溫度為95℃、合成體系的給料硅鋁比為9.72、合成體系的堿度為2時,合成的NaY分子篩結晶度為32.9%,硅鋁比為2.15,具有完好的晶型和較高的熱穩(wěn)定性,且孔隙發(fā)育,達到了制備煉油催化劑的要求。試驗結果為以淮北煤系高嶺土為原料合成FCC催化劑提供了技術依據(jù)。
[Abstract]:In order to search for the back-up kaolin resources suitable for synthesis of FCC catalyst with high quality, low price and suitable for synthesis, the synthesis of NaY molecular sieve was studied by in situ crystallization method with Huaibei coal series kaolin as raw material. After purifying Huaibei coal series kaolinite, the addition amount of guiding agent is 9, the crystallization time is 24 h, the crystallization temperature is 95 鈩，

本文編號：1669717