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All Journal VALENSI Reaktor Jurnal Ilmu Dasar Jurnal Sains dan Seni ITS Jurnal Online Mahasiswa (JOM) Bidang Ilmu Sosial dan Ilmu Politik Journal of Mathematical and Fundamental Sciences SEMIRATA 2015 Jurnal Zeolit Indonesia Inklusif: Jurnal Pengkajian Penelitian Syariah dan Ilmu Hukum Jurnal Kimia Riset Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Jurnal Rekayasa Bahan Alam dan Energi Berkelanjutan AKSIOLOGIYA : Jurnal Pengabdian Kepada Masyarakat Indonesian Journal of Chemistry Communications in Science and Technology Akta Kimia Indonesia Journal of Artificial Intelligence and Innovative Applications (JOAIIA) Maarif Jurnal Pengabdian kepada Masyarakat Nusantara Nusantara Science and Technology Proceedings INTERNATIONAL JOURNAL OF SOCIAL, POLICY AND LAW (IJOSPL) AbdiTechno (Jurnal Pengabdian Masyarakat) Automotive Experiences Makara Journal of Science El 'Aailah Muslim Politics Review DEVOTE: Jurnal Pengabdian Masyarakat Global Jurnal Pendidikan Islam Jurnal Media Birokrasi Capacitarea : Jurnal Pengabdian Kepada Masyarakat PIKAT Sewagati HIKMATUNA: Journal for Integrative Islamic Studies APPA : Jurnal Pengabdian Kepada Masyarakat TEKNOBIS : Jurnal Teknologi, Bisnis dan Pendidikan Hikmatuna Jurnal Pengabdian Masyarakat The Sociology of Islam SASI Journal of Informatics Development Kurva: Jurnal Ekonomi Manajemen Keuangan dan Bisnis

Hamzah Fansuri

Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia

Author-ID : 263666

Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry 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 Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences Other

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Nanoporous Carbon Prepared with MOF-5 as a Template and Activated using KOH for Hydrogen Storage Ratna Ediati; Tri Ana Mulyati; Amirul Mukminin; Dety Oktavia Sulistiono; Naimatul Khoiroh; Hamzah Fansuri; Didik Prasetyoko
Jurnal Kimia Valensi Jurnal Kimia VALENSI Volume 6, No. 1, May 2020
Publisher : Syarif Hidayatullah State Islamic University

A series of nanoporous carbon was prepared with MOF-5 as a template and furfuryl alcohol as an additional carbon source by carbonation at temperatures of 550 °C and 900 °C, respectively, with and without activation using KOH. XRD patterns of the obtained carbons before and after the activation process showed characteristic peaks at the same 2θ values, which corresponded to the XRD pattern of a ZnO. The Surface morphology of the MOF-5 templated carbon with a carbonation temperature of 550 °C was in the form of a cube. In contrast, the one carbonated at 900 °C had a cubic and circular morphology. The N2 adsorption-desorption isothermal showed that MOF-5 templated carbon had a larger specific surface area, pore diameter, and pore volume than those of the original MOF-5. Activation of the MOF-5 templated carbon using KOH resulted in a decrease in surface area and pore volume. All the materials were measured for their hydrogen adsorption at room temperature and atmospheric pressure using a gravimetric method.

INFLUENCES OF TIME AND RATIO OF Si/Al ON FORMATION ZEOLITE A FROM BOTTOM ASH CARBON FREE PLTU PT. IPMOMI WITH HYDROTHERMAL METHODS R. A. Syukuri Nikmah; Nurul Widiastuti; Hamzah Fansuri
Jurnal Zeolit Indonesia Vol. 7 No. 1 (2008)
Publisher : Jurnal Zeolit Indonesia

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This study aimed to utilize bottom-ash PLTU PT. IPMOMI, Probolinggo. Synthesis zeolite A conducted with directly method of hydrothermal. Initially, bottom-ash calcined at temperature of 800oC during 4 hours for eliminating residu of carbon from baking of coal, then it was dissolved with alkali NaOH, NaAlO2 and water deionization with comparison molar of 3.165 Na2O: Al2O3: 1.926 SiO2: 128 H2O. Crystallization of hydrothermal conducted by variation time (12-144 hours) and ratio molar of Si/Al (1; 1.2 and 1.4). The result XRD analysis showed that kinds form of zeolite is mixture of zeolite A, X, P and sodalite. The most form dominant of Zeolite with various variations condition hydrothermal is zeolite A with orthorombik structure which was formed at hydrothermal temperature of 160°C during 24 hours.

PENGARUH UKURAN PERUSAHAAN, PERTUMBUHAN PENJUALAN DAN PROFITABILITAS TERHADAP STRUKTUR MODAL PADA PERUSAHAAN TEKSTIL DAN GARMENT YANG LISTING DI BURSA EFEK INDONESIA Hamzah Fansuri; Mariaty Ibrahim
Jurnal Online Mahasiswa (JOM) Bidang Ilmu Sosial dan Ilmu Politik Vol. 5: Edisi I Januari - Juni 2018
Publisher : Fakultas Ilmu Sosial dan Ilmu Politik Universitas Riau

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This study aims to examine the persial and simultaneous influence of firm size, sales growth, and profitability of capital structure. Where independent variables in this study is the size of the company, sales growth, and profitability while the dependent variable is the capital structure. The sample used is secondary data derived from the financial statements of textile and garment companies listed on the Indonesia Stock Exchange (IDX) period 2009 to 2014. This study uses secondary data from the company's financial statements. Samples and sampling using purposive sampling technique. The classical assumption test in this research includes normality test, multicollinearity test, heterokedastisity test and autocorrelation test. Data analysis using multiple linear regression analysis, t test, F test, and test of coefficient of determination. Data analysis using multiple linear regression analysis with SPSS 20. The results of this study indicate that firm size variables persial (t test) affect the capital structure, while the variable sales growth and profitability does not affect the capital structure of textile and garment companies listed on the Indonesia Stock Exchange. The simultaneous test results (f) show the significant effect of firm size variable, sales growth, and profitability on capital structure in textile and garment companies listed in Indonesia Stock Exchange. Keywords : Company size, sales growth, profitability, and capital structure

Pore Structure and Morphology Characterizations of Mesoporous ZSM-5 Synthesized at Various Aging Time Djoko Hartanto; Tri Esti Purbaningtias; Hamzah Fansuri; Didik Prasetyoko
Jurnal ILMU DASAR Vol 12 No 1 (2011)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember

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Mesoporous ZSM-5 has been successfully synthesized at various aging time of 6, 12 and 24 h. Mesoporous ZSM-5 was synthesized using cetyltrimethylammonium bromide (CTABr) as a template. Synthesis was carried out hydrothermally with aging and crystallization temperature at 60oC and 150oC. XRD patterns of the resulted material showed diffraction lines at 2θ = 23o and at small angle (2θ < 5o) which is characteristic of the structure of ZSM-5 and the existing of the mesoporous material. It was found that crystallinity of the sample increased at longer aging time. The result of nitrogen gas sorption analysis showed that all samples have pore size about 3,8 nm. The porosity of ZSM-5 decreased with shorter of aging time. ZSM-5 synthesized at 6 h aging time has the highest porosity of 72.57%. Aging time also affected the particle size, the longer the aging time, the smaller the particle size. The particle size was ranging 1.25 – 1.0 μm.

Phase Transformation of Rice Husk Ash in the Synthesis of ZSM-5 without Organic Template Didik Prasetyoko; Neneng Ayunanda; Hamzah Fansuri; Djoko Hartanto; Zainab Ramli
Journal of Mathematical and Fundamental Sciences Vol. 44 No. 3 (2012)
Publisher : Institute for Research and Community Services (LPPM) ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/itbj.sci.2012.44.3.5

Phase transformation of rice husk ash in the synthesis of ZSM-5 without organic template at various crystallization times has been studied. Zeolite has been synthesized using the hydrothermal method at 175 °C with molar ratio 10Na2O : 100SiO2 : 2Al2O3 : 1800H2O with addition of silicalite-1 as seed. Solids were characterized using X-ray diffraction (XRD), infrared (IR) spectroscopy and scanning electron microscopy (SEM) techniques. Analysis of the results of XRD and IR spectroscopy indicated that ZSM-5 crystalstarted to form at 12 h of crystallization time, reaching high crystallinity after 24 h. With a crystallization time of more than 48 h, the ZSM-5 crystals had completely transformed into more stable quartz phase. Results indicated that phase transformation has occurred, in which an amorphous phase of rice husk ash has been transformed to ZSM-5 crystal phase during the early crystallization stage and continued to transform to disordered Î±-cristobalite phase and lastly quartz phases. SEM showed that the morphology of the ZSM-5 crystal was of an irregular hexagonal shape with particle size distribution around 3-7 Î¼m.

Influence of TiO2/TS-1 Calcination on Hydroxylation of Phenol Ratna Ediati; Maria Ulfa; Hamzah Fansuri; Zainab Ramli; Hadi Nur; Didik Prasetyoko
Journal of Mathematical and Fundamental Sciences Vol. 46 No. 1 (2014)
Publisher : Institute for Research and Community Services (LPPM) ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.math.fund.sci.2014.46.1.7

Titanium oxide (TiO2) was impregnated on the surface of titanosilicate-1 (TiO2/TS-1) and used as catalyst for hydroxylation of phenol with hydrogen peroxide. Calcination was conducted at various temperatures (400, 500, 600 and 700°C)in order to observe the effect on the structure and physicochemical properties towards catalytic activity for producing hydroquinone. The structure and physicochemical properties of the TiO2/TS-1 catalyst were characterized by several techniques, such as X-ray diffraction (XRD), infrared spectroscopy, nitrogen adsorption, pyridine adsorption and hydrophilic measurement. The results show that by increasing the calcination temperature,the surface acidity of the catalyst was also increased.TheTiO2/TS-1 catalyst calcined at 500°Cproved to be optimal for hydroquinone production, in which the anatase-rutile phase may be present dispersed on the MFI framework.

Comparative Study of Municipal Solid Waste Fuel and Refuse Derived Fuel in the Gasification Process Using Multi Stage Downdraft Gasifier Sigit Mujiarto; Bambang Sudarmanta; Hamzah Fansuri; Arif Rahman Saleh
Automotive Experiences Vol 4 No 2 (2021)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Municipal solid waste (MSW) is a type of general waste that includes households, traditional markets, commercial areas, and the rest from public facilities, schools, offices, roads, and so on. Refuse Derived Fuel (RDF) is obtained from the remnants of MSW which cannot be used anymore, which is flammable waste and is separated from parts that are difficult to burn through the process of chopping, sifting, and air classification. RDF has potential as an alternative energy source. In this study, RDF fuel was compared with MSW fuel both by proximate and calorific value, then the gasification process was carried out using a multi-stage downdraft gasifier to see gasification performance indicators such as syngas composition, LHV, cold gas efficiency, and tar concentration. The results showed that the gasification performance indicator for MSW biomass resulted in the syngas composition of CO = 19.08% v, H2 = 10.89% v, and CH4 = 1.54% v. The calorific value (Low Heating Value, LHV ) of syngas is 4,137 kJ/kg, cold gas efficiency is 70.14%, and tar content is 57.29 mg/Nm3. Meanwhile, RDF obtained the composition of CO gas: 18.68% v, H2: 9.5446% v, and CH4: 0% v. The maximum LHV syngas is 3365.08 kJ/kg, cold gas efficiency is 57.19 % and the smallest tar content is 80.24 mg/Nm3. When compared to RDF, MSW produces a better gasification performance indicator. However, RDF can still be used as an alternative energy source using the gasification process. The results of this study can be used to optimize the further RDF gasification process.

Kajian Karakteristik Kimia dan Fisika Abu Layang yang Menjadi Penentu Kekuatan Mekanik Perekat Geopolimer Berbahan Dasar Abu Layang Diah Kartika Sari; Endang Purwanti Setyaningsih; Hamzah Fansuri; Tri Eddy Susanto
Akta Kimia Indonesia Vol 3, No 2 (2018)
Publisher : LPPM, Institut Teknologi Sepuluh Nopember

Conversion of fly ash into geopolymers is one of the right ways to reduce the problem of coal ash waste which is hazardous and poisonous waste while its production continues to increase every year. In this study, fly ash from Pacitan power plant, Semen Gresik, Petrokimia Gresik, and Australia were used as the raw materials for making geopolymers. The geopolymers were made based on previous research. Geopolymer compressive strength that was measured at 7 days after curing was 46.71; 42.6; 42.6; 9.55 MPa, respectively. Analyses of phase composition and crystallinity, morphology and particle size and composition of fly ash constituents showed that the factor that had the strongest influence in this study was the size of fly ash particles. Fly ash with the largest particle size produces geopolymers with the lowest compressive strength. High calcium content produces a short setting time and all geopolymers that have high compressive strength are made from fly ash with a high content of Fe2O3

Mini-Review: Syngas Production Via Partial Oxidation of Methane Reaction and Its Potential Catalyst Silvana Dwi Nurherdiana; Reva Edra Nugraha; Rachmad Ramadhan Yogaswara; Hamzah Fansuri
Akta Kimia Indonesia Vol 6, No 2 (2021)
Publisher : LPPM, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25493736.v6i2.10720

Methane as a light gas was generally found in natural gas which was burned freely to gain a high quality of petroleum. This action truly impacted a worst condition in nature, namely greenhouse effect. This brief review described fundamental theory of the important process in methane conversion from natural gas into value-added chemical such as syngas (CO+H2). The methane conversion reaction was commonly divided into direct and indirect reaction. The indirect reaction such as partial oxidation of methane was mostly chosen due to the intermediate product (syngas) can easily generate many raw materials of petrochemicals. This paper also described a potential catalyst to be applied which in heterogeneous type such as perovskite oxide, metal oxide and zeolite.

Brief Overview of Perovskite Oxide: Synthesis and Its Performance as Oxygen Separator from Air Silvana Dwi Nurherdiana; Rachmad Ramadhan Yogaswara; Nove Kartika Erliyanti; Atika Nandini; Mutasim Billah; Sintha Soraya Santi; Hamzah Fansuri; Mohd Hafiz Dzarfan Othman; Yuly Kusumawati; Syafsir Akhlus
Nusantara Science and Technology Proceedings 2nd International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

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The aims of this brief overview are providing the knowledge about the physical and chemical properties of perovskite oxides in various synthesis method and the correlation of its performance for separating oxygen from air. Perovskite oxide showed excellent conductor of ion and electron, simultaneously through oxygen lattice in the crystal structure. In the present review, we have presented the detail on the crystal structure and the factor that affect the pseudo-crystal, various synthesis method i.e., solid-state, sol-gel, combustion, and co-precipitation. It has been completed with the discussion of the characteristic and the mechanism of the perovskite to separate oxygen from air

Co-Authors Abdul Munip Abdullah, Romario Achmad Otong Busthomi Adi Setyo Purnomo Afif Muamar Agung Muliawan Ahmad Rofii Ahyudia Malisa Ilham Aisah Aisah Al Mustaqim, Dede Amirul Mukminin Andriyani, Yani Anggaria Maharani Anita Karlina Arief Adhiksana Arief Firmansyah Arif Rahman Saleh Arvan Rahmanda Askur Rahman Astira, Dinia Aulia Indri Cahya Azaki Khoirudin Bahomaid, Saleh Abdoalgaader Ali Bambang Sudarmanta Bambang Sudarmanta, Bambang Bambang Wahyudi Cholifah Endah Royani Dahlan, Rahman Dani Hanif Rianto Dety Oktavia Sulistiono Devi, Serlina Oktavia Diah Kartika Sari Dian Farida Asfan Didik Prasetyoko Dinansyah Aditya Djoko Hartanto Djoko Hartanto Dong-ke Zhang Edy Setyawan Endang Purwanti Endang Purwanti Setyaningsih Enung Siti Nurhidayah Erliyanti, Nove Kartika Fadlan, Arif Fahimah Martak Faisal Farhanah Thalib Faridz Ravsamjani Fauziah, Difari Afreyna Gia Hung Pham Gunawan, Triyanda Gunawan, Triyanda Hadi Nur Hadi Nur Hafiz Dzarfan Othman, Mohd Hamdan Dwi Rizqi Harmami Harmami Hendiyani, Mesy Faridah Herdayanto Sulistyo Putro Hidayati, Ririn Eva Icha Sugiasari Iffan Maflahah Imam Machali Iqbal, Rendy Muhamad Karim Budiono Karunia, Sanuri Kemala, Yusnadia Khalid, Khalisah Khoirul Hidayat Kusumawati, Yuly Lestari, Witri Wahyu Lia Harmelia Lia Rachmawati Lisdayana, Nurmalisa Lukman Atmaja Maria Ulfa Mariaty Ibrahim Mashudi Mashudi Maya Machfudzoh Merry Jhoe Stefanny Moh. Sholehuddin Mohd Hafiz Dzarfan Othman Mohd Jumain Jalil Mojiono, M. Mojiono, Mojiono Muhamat Abdul Rohim Muhammad Amir Rudin Yusup Muhammad Arif Ramadhan Muhammad Rickyu Yudhistira Mukti, Rino Rakhmata Mutasim Billah Mu’tamar, M Fuad Fauzul Naimatul Khoiroh Naimatul Khoiroh Nandini , Atika Nandini, Atika Nasruddin Nasruddin Neneng Ayunanda Novia Dwi Permata Nugraheni, Zjahra Vianita Nugroho, Roshid Adi Nuni Widiarti Nur Ali Nurul - Widiastuti Nurul Widiastuti Oktavina Kartika Putri Perry Burhan, Perry Pratama, Jeesica Hermayanti Probowati, Banun Diyah Puspita, Diah Ayu Puspitasari, Melani Puji R. A. Syukuri Nikmah R. A. Syukuri Nikmah, R. A. R.Y. Perry Burhan, R.Y. Perry Raditia Vindua Rafli Azhari Ahmad Faisal Rahmad Widyanto, Alvin Rahmawati, Zeni Rakhmawati Rakhmawati Ratna Ediati Ratna Ediati Refdinal Nawfa Reva Edra Nugraha Ridho Bayuaji Rieswana, Yuried Diilan S. Sugiharto S. Supriyanto Safira Habiba Nuhaa Sandra Wibawanta Sekarayu Dianing Putri Sigit Mujiarto Silvana Dwi Nurherdiana Sintha Soraya Santi Stephen Maruli Tua Gultom Subaer - Suharbiansah, Rujito S. R. Supriadi, Warih Suri, Nabilah Atika Syafsir Akhlus Teguh Endah Saraswati Totok Trengginas Tri Ana Mulyati Tri Eddy Susanto Tri Esti Purbaningtias Vibriyanto, Norita Vivi Zulaicha Wahyu Prasetyo Utomo Wasman Wasman, Wasman Wiwik Fitria Ningsih Yani Dahliani Yogaswara, Rachmad Ramadhan Zainab Ramli Zainab Ramli Zainab Ramli Zaskiyanti, Aida Zetra, Yulfi Zulfiani, Utari

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