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All Journal Reaktor JURNAL TEKNOLOGI LINGKUNGAN Jurnal Bahan Alam Terbarukan Waste Technology Bulletin of Chemical Reaction Engineering & Catalysis Journal of Engineering and Technological Sciences World Chemical Engineering Journal JURNAL INTEGRASI PROSES Teknika: Jurnal Sains dan Teknologi EduChemia: Jurnal Kimia dan Pendidikan Indonesian Journal of Science and Technology Jurnal Tirtayasa Ekonomika (Tirtayasa Economica Journal) Journal of Energy, Mechanical, Material and Manufacturing Engineering Angkasa: Jurnal Ilmiah Bidang Teknologi Jurnal Kartika Kimia International Journal of Research and Applied Technology (INJURATECH) Automotive Experiences Journal of Mechanical and Electrical Technology Fraction: Jurnal Teori dan Terapan Matematika Urecol Journal. Part D: Applied Sciences
Teguh Kurniawan
Universitas Sultan Ageng Tirtayasa
Aerospace Engineering Automotive Engineering 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 Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Other

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Journal : World Chemical Engineering Journal

 1 
ZEOLITE FOR AGRICULTURE INTENSIFICATION AND CATALYST IN AGROINDUSTRY Kurniawan, Teguh; Nuryoto, Nuryoto; Firdaus, Mochamad Adha
World Chemical Engineering Journal VOLUME 3 NO. 1 JUNE 2019
Publisher : Chemical Engineering Department, Engineering Faculty, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/wcej.v3i1.5507

Abstract

The role of renewable products is becoming important because the fossil resources in which most of our chemicals derived is vanishing. Agriculture as the renewable sources is needed to increase the production which is not only required to meet the food demands but also to replace chemicals that derived from fossil sources. Zeolite has a huge potential for agriculture intensification and conversion of agriculture products and by-products into chemicals. Indonesia has two kind deposit of natural zeolites, which are clinoptilolite and mordenite lies aligned volcanic mountain across Sumatra, Java, Nusa Tenggara and Sulawesi Islands. Zeolite has large surface area consisted of microporous and mesoporous structures. It could be utilized as an ion exchange agent, adsorbent and catalyst for applications in agriculture and agroindustry. Sustainable development of agricultural products could be also assisted by zeolite as slow-release fertilizer and controlling pests. Moreover, this review discusses about the integration of natural zeolite with chemical based wastes from livestock with nitrogen demand for cultivation is explained as a part of the idea of one-system-integrated farm and livestock. Storage and processing of agricultural products could be more efficient with the utilization of zeolite in drying, storage, processing and product preservation unit operations. Sucrose crystallization, catalytic reaction inulin to fructose, pinene isomerization and glycerol biodiesel by-product conversion is discussed in this review. As in general, zeolite porosity, topology, silicon to aluminium ratio, and acidity properties become an important factor on catalytic reactions to convert agricultural products into beneficial chemical substances
Kinetic Study of Ammonium Desorption using Natural Zeolites from Cikalong Abdusattar, Thareqa; Hadi, Abdul; Nuryoto, Nuryoto; Kurniawan, Teguh
World Chemical Engineering Journal VOLUME 5 NO. 1 JUNE 2021
Publisher : Chemical Engineering Department, Engineering Faculty, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/wcej.v5i1.12103

Abstract

Household liquid waste which contains ammonium is one of the major contributors to the wastewater effluent. The aim of investigation is to characterize and determine the adsorption capacity of natural zeolites from Cikalong for ammonium removal.  The effect of cations type, K+, Mg2+ and Ca2+, on ammonium desorptions was studied. Kinetic desorption study was also performed and fitted with various kinetic models. According to X-ray diffraction (XRD) pattern, the Cikalong natural zeolites were mordenite and clinoptilolite dominant type.  The morphology of the mordenite phase was appeared as needles shape. The ratio of Si to Al was 6.86 according to X-ray fluorescence (XRF). The surface area was 187 m2/g which was determined by Brunauer–Emmett–Teller (BET) model. Desorption using K+ solution showed the shortest time and the highest rate for ammonium desorption. The calculation using nonlinear method was carried out to optimize the desorption kinetic parameters. The pseudo 1st order desorption kinetics model showed the smallest error with sum of squared error (SSE) 0.00209.
Reverse Flow Reactor for Catalytic Oxidation of Lean Methane Kurniawan, Teguh; Budhi, Yogi Wibisono; Bindar, Yazid
World Chemical Engineering Journal VOLUME 2 NO. 1 JUNE 2018
Publisher : Chemical Engineering Department, Engineering Faculty, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/wcej.v2i1.3493

Abstract

Methane as a potential green house gases contributor which gives 21 GWP has to be mitigated to diminish the global warming effect. High concentration methane can be easily converted into CO2 by mean oxidation. However lean methane can only be oxidized in catalytic reaction system as the catalyst lowers the reaction temperature up to 400 oC. Nevertheless, this is still high temperature to achieve by low concentration and low temperature feed. It still needs preheating the feed until its reaction condition reached which can be supplied outside or within the system called auto thermal. One of promising auto thermal reactor is reverse flow reactor which is the reactor that its feed flow periodically switches to make the heat trapped inside the reactor. In this work we have designed reverse flow reactor by one-dimensional model, pseudohomogeneous for mass and heterogeneous for energy to burn lean methane from a station compressor. The critical parameter of switching time on the system of periodical reversal is also presented
Co-Authors Abdul Hadi Abdusattar, Thareqa ACHMAD RIFAI Adian Yoga Pradana Adiwibowo, Muhammad Triyogo Aisyah, Ratna Sari siti Alia Badra Pitaloka Andre Wibowo Anggara Diaz Ramadhan Anita Diyanah Anton Irawan Asep Bayu Dani Nandiyanto Bindar, Yazid Damar Abi Ramadani Darisman Darisman Dhimas Satria Dina Pujianti Endang Suhendi, Endang Erny Listijorini Fajar Gumelar Fauzan, Eka R. Fiandini, Meli Firdaus, Mochamad Adha Frans Romario Panjaitan Ghani Naufal Hafid Alwan Hafid Alwan Hairus Abdullah Handry Shantos Hanif Nur Purnamasari Hesti Prihastuti Ilham, Willy Aulia Imron Rosyadi Indar Kustingsih Indar Kustiningsih Jayanudin Jayanudin Juniafit Bima Saputra Kustiningsih, Indar Makiyi, Muhammad Marta Pramudita Mentari Putri Aprilia Muchamad Ismettulloh Muhammad Roil Bilad Muhammad Saifullah Abu Bakar Murni, Dewi Naibaho, Pipiet P.U. Nik Abdul Hadi Md Nordin Nindya Carolina C.S Nisa Aina Fauziah Novan Prihasa Nurwijayanti Nuryoto Nuryoto, Nuryoto Oki Muraza Putri, Berliana Tristati Putri, Martina Reza Raffli Nurmuhammad Ragadhita, Risti Rahmayetti Rahmayetti Rahmayetty Rahmayetty Ranggaweny Al-Ghani Ranggaweny Al-Ghani Ratna Sari Siti Aisyah Rina Lusiani Rosid Rosid Saepurahman Saepurahman Saepurahman Saepurahman Saepurahman, Saepurahman Saiful Bahri Salman, Nidya Jullanar Sari, Denni Kartika Selfira Arum Andadari Septian Arief Nur Rahman Sjaifuddin Sjaifuddin Slamet, Slamet Sri Agustina Tia Lestari Vicky Zayan Giffari Wahyudi Eko Pratomo Willy Aulia Ilham Yazid Bindar Yazid Bindar Yazid Bindar Yogi Wibisono Budhi Yuhelsa Putra