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Taufiqur Rohman
Program Studi Teknik Informatika, Fakultas Teknik, Universitas Trunojoyo Madura
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Medicine & Pharmacology Public Health Social Sciences Other

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Journal : Tropical Wetland Journal

 1 
HUMIC ACID CRACKING BY ACTIVATED CLAY CATALYSTS AND IDENTIFICATION OF ITS PRODUCTS Abdullah, Abdullah; Twinasty, Rina; Rohman, Taufiqur
TROPICAL WETLAND JOURNAL Vol 1, No 1 (2015)
Publisher : The Journal is published by Graduate Programe of Lambung Mangkurat University

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Abstract

Humic acid is a compound of colloidal, amorphous, and complex aromatic polymer with functional groups of -COOH (carboxyl), -OH (phenol), and C = O (carbonyl). The presence of these functional groups provides a rationale for assuming that humic acids have a potential to produce phenolic, carboxylic and carbonylic compounds through cracking process. In this study the cracking was done by isolating humic acids from peat soil, and facilitated by a clay catalyst which had been activated. Humic acids were isolated by extracting the acids from the peat with NaOH and HCl. The characterization of humic acids included the determination of the ash content by gravimetric method and the analysis of the functional groups of humic acids by Infrared spectrometer (FTIR). The clay to be activated was shaped into two forms, pellets and 20-40 mesh granules. The clay was activated by immersing it in HCl and NH4NO3, and then calcined. The characterization of catalysts included the determination of acidity and the Si/Al ratio gravimetrically, as well as the analysis of the pore volume, maximum pore radius, surface area and average pore radius by Surface Area Analyzer NOVA-1000. Humic acid cracking was performed by a fixed-bed reactor system at a temperature of 400°C. The Liquid smoke, the product of cracking, was analyzed by GC and GC-MS to determine the number of compounds and major compounds contained in the liquid smoke. The results show that the isolated humic acid had ash content of 9.10%. Activated clay had acidity and Si/Al ratio higher than the clay before actifated.  Based on the analyses of GC and GC-MS it can be found out that the major compounds contained in liquid smoke, the product of humic acid cracking with 20-40 mesh catalyst at a temperature of 400°C were phenolic compounds (74.56%), and no carboxylic and carbonylic compounds as the major compounds. The activated clay can be used as the catalyst for humic acid cracking.Keywords: humic acid, catalyst, clay, cracking.
Co-Authors Aditia, M. Rifki Af'idah, Af'idah Ahmad Budi Junaidi Akbar, Hanif Shiddiqi Alimin Alimin, Alimin Arifin, Moh Arnone, Gioia Arofah, Erika Afifatul Assani', Saffana Assani, Saffana Azizah, Balkis Nur Azizia, Fatima Nur Chandrawati, Devy Dlifa'in, Alif Faza DZIKRI, MUHAMMAD Edi Mikrianto Ekasari, Paramita Ayu Ellys Kumala Pramartaningthyas, Ellys Kumala Fana, Atiul Findya Puspitasari Fu’adah, Layyin Helmy Boemiya Hendi, Ade Hermanto Hermanto Hikmah, Nawwal Huda, Nuru Husnul Yaqin Ifa Khoiria Ningrum Kasanah, Siti Uswatun Kurniawati, Alfani Dewi Laili Cahyani Leksani, Wahyu Iftita Lovika Ardana Riswari M. Ali Ghufron M. Jauharul Ma'arif Ma'arif, M. Jauharul Mahmud Mahmud Mahsus, Muhammad Miftahuddin Miftahuddin Muafidah, Zahrotul Muhamad Afif Effindi, Muhamad Afif Muhammad Abduh Muhammad Machmud Musfuji’atun, Siti Nu'man, Moh Nurul Hikmah Nurul Huda Nurul Huda Prabawa, Abi Fa’izzarahman Pratiwi, Ira Eka Purwoko, Agus Qathrun Naja, Nadia Rabiatul Adawyah, Rabiatul Rachma Indrarini Rahmawati, Sita Ramadhan, Mahendra Utama Cahya Rihayati, Rihayati Rilando, Yusril Alfalah Rini Rusmayanthi Romadlon, Muhammad Dafiq Sam'ani Sam'ani, Sam'ani Samsudin Haris, Mohamad Singgih Pamuji, Febri Siti Aisyah Slamet Untung Sunardi Sunardi Syafa'ah, Laily Twinasty, Rina Umi Baroroh Lili Utami Utami Irawati Wahju Wulandari Wahyuliana, Ida Wardani, Happy Kusuma Wati, Lisa Widi Aribowo Wulandari, Yenni Tyas Zulklifi, Zulkifli