甘蔗渣灰和氢氧化铝污泥转化3A沸石的研究

Pattamaphorn Phungngamphan, R. Anuwattana, Worapong Pattayawan
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引用次数: 1

摘要

以甘蔗渣灰为原料,采用钾盐熔融法制备了一种3A沸石(K-LTA)。蔗渣灰和氢氧化铝污泥是碱熔水热法转化K-A沸石(3A沸石)的原料来源。将甘蔗渣灰分与钾盐按重量比1:1.2混合,550℃熔融1小时后进行水热处理。将氢氧化物溶液加入熔料浆中,在不锈钢反应器中105±3℃下充分搅拌。反应时间为1 ~ 6小时。结果表明,在含有氢氧化物溶液的混合物中,搅拌5小时,3A沸石转化率最高,约为62%。关键词:3A沸石;甘蔗渣;氢氧化铝污泥
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Conversion of 3A Zeolite from Bagasse Ash and Aluminium Hydroxide Sludge
This work aim to synthesis of a 3A zeolite (K-LTA) obtained by a fusion process of potassium salt, synthesized from the bagasse ash. The bagasse ash and aluminium hydroxide sludge were sources of starting materials for K-A zeolite (3A zeolite) conversion using the alkali fusion hydrothermal process. The bagasse ash and potassium salt were mixed at the weight ratio of 1:1.2 and then fused at 550 °C for 1 hour prior to the hydrothermal treatment. After that, the hydroxide solution was added to the fused material slurry and thoroughly stirred at 105± 3 °C in the stainless steel reactor. The reaction time was varied from 1 to 6 hours. The results showed that the highest yield of 3A zeolite conversion was approximately 62% and was obtained from the mixtures containing hydroxide solution, stirred for 5 hours. Keywords— 3A zeolite, Bagasse Ash, Aluminium Hydroxide Sludge, Fusion Method, Waste Utilization
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