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Barbara Gil, Łukasz Mokrzycki, Bogdan Sulikowski, Zbigniew Olejniczak, Stanisław Walas
Desilication of ZSM-5 and ZSM-12 zeolites: Impact on textural, acidic and catalytic properties  
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2.        µ±ÎÒ¶Áµ½ÕâÆªÎÄÕµÄʱºò£¬ÎÒ·¢ÏÖÁËËüÓü¶øÇÒÊÇÇâÑõ»¯ÄÆ£¬µÚÒ»¸Ð¾õÊÇÎ¥±³»¯Ñ§µÄ£¬ÄÇôÂÁÒ²»áÍѳýµÄ£¬²»·ûºÏ£¬µ«ÊÇËü¸øÎÒÃÇÁËÒ»¾äºÜ¾­µäµÄÈÏʶ¡°Treatment with alkaline solutions might bring about various results, depending on the conditions used. Treatment with diluted bases in the absence of the additional aluminium source results in the ultimate removal of silica from the zeolitic framework, decreasing Si/Al ratio, and consequently increasing concentration of the acid centres present¡±»¯Ñ§±¾ÖÊÊÇÓÐÌõ¼þµÄ£¡¿ÉÒÔÍѹ裬¶øÇÒ²»Ó°ÏìÍÑÂÁ£¬Õâ¸ö¹Ø¼üÊÇdiluted bases¡£ÕâÑùÈÃÎÒÓÐÐËȤ¶ÁÏÂÈ¥¡£
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