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Journal : Jurnal Zeolit Indonesia

INCREASING THE Si/Al RATIO OF NATURAL ZEOLITE MORDENITE AS BASIC MATERIAL OF CATALYST Handhoyo, Roocyta; Prijatama, Herry; Sofiyah, Siti; Nurlela, Iis; Yusianita, Nita; Amelia, R.; Komala, Ratna
Jurnal Zeolit Indonesia Vol 4, No 1 (2005)
Publisher : Jurnal Zeolit Indonesia

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Abstract

One of the application of zeolite as a multi-function mineral is the use as catalyst. Investigation to utilize Indonesian natural zeolite as a catalyst will increase the added value and gives a chance to reduce the dependency of imported catalyst. One of the main property, which allow zeolite to be used as a catalyst, is a high silica-alumina ratio, where Si/Al >10. As a preminalry stage to form a catalyst zeolite, research has been carried out to increase the Si/Al ratio of natural mordenite from Cikalong, Tasikmalaya. The method applied is dealumination process, which is followed by calcinations and ion exchange. This process is expected to modify the Na-zeolite from natural mordenit to be a NH4-zeolite which can be transformed to a catalyst zeolite. Dealumination process is carried out using HNO3, with variable concentration and time at temperature of 85°C. Thereafter, zeolite is calcined at 700°C and is followed ion exchange process using NH4NO3. The current stage of research has been succeeded to increase the Si/Al ratio of natural mordenite from Si/Al @ 5 to Si/Al > 10. The process condition applied is dealumination with 8N HNO3 for 24 hours at 85°°C and is followed by calcinations at 700°C for 2 hours. Ion exchange is proceeded with 5% NH4NO3 for 2 hours and is followed by another calcinations at 400°C for 2 hours.
Co-Authors Ade Suryanda Adinda, Ratu Celina Adisyahputra, A AGUNG SEDAYU Aini, Nurjibbah Akbar, Shohifa Aulia Akmala, Muthia Alamsyah, Rio Alfarizi, Muhammad Rafi Annisa Ramadhani Annisa Ratu Aryanto, Glorio Brian Aulia Azmi Aulia, Megarizka Azzahra, Nadia Dermi, Devi Fauzia Dewi, Rima Merliana Diana Vivanti Sigit Eko Priyanto, Januar Evi Selvi Fahmie Firmansyah Faizatuluhmi, Silfi Faqih, Achmad Fariz, Sabrina Faros, Arrum Ardila Fauziah, Shifa fitria ningsih Fitriani, Upi Gynanjar, Rendy Hanum Isfaeni Harahap, Lia Junita Hekmawati, Shanti Herry Prijatama, Herry Hidayah, Rizka Rifaatul Ida Ayu Putu Sri Widnyani Iis Nurlela, Iis Ipikasari, Ipikasari Kentiasti, Rahmi Fitri kurniawan, herik Kurniawati, Evy Lestari, Alvita Dwi Lestari, Astri Magdalena, Sintia Erika Maryana, Kamilia Fadhilah Meilisza, Nina Mieke Miarsyah Mohamad Isnin Noer Murniasih, Siti Muslimin, Sayyid Izzuddin Nasywa, Fatihah Nita Yusianita, Nita Novita Anggraini Octavia, Desy Okinarum, Giyawati Yulilania Pradesti, Rahmadiva Prasetya, Priya Yuga Pratama, Sisi Hernanda Pratiwi, Riska Dian Purbaya, Sharaswati Putri, Nabillah Aisyah R. Amelia, R. Ramadhini, Kiky Rina Hirnawati, Rina Rizhal Hendi Ristanto Rizkia, Rinjani Ayu Roocyta Handhoyo, Roocyta Rose, Arine Ellen Rusdi Rusdi Rusdi, R Sari, Yusiana Fatika Selviana, Devia Seribulan, M.N M Siti Aisyah siti rodiah Solichah, Lili Suci Rahmawati, Suci Sukarman Sukarman Supiyani, Atin Supriyatin Sutrisno, Ananda Prastuti Syani, Mutiara Talia, Sarah Tri Aryono Hadi Tri Handayani Wardani, Surti Wibisono, Bagus Tito Widayat Wijaya, Citra Kusuma Wirdianti, Nina Zamroni, Mochammad