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All Journal Proceedings of Annual International Conference Syiah Kuala University - Life Sciences & Engineering Chapter Jurnal Teknik Kimia USU Jurnal Ilmu Kebencanaan : Program Pascasarjana Unsyiah Jurnal Serambi Engineering Jurnal Nasional Komputasi dan Teknologi Informasi Jurnal Sains dan Teknologi Reaksi Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Jurnal Pemerintahan dan Kebijakan (JPK) Jurnal Pusat Inovasi Masyarakat (JPIM) Jurnal Rekayasa Kimia & Lingkungan Aceh International Journal of Science and Technology Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Jurnal Pendidikan Sains Indonesia (Indonesian Journal of Science Education) JIPI (Jurnal IPA dan Pembelajaran IPA) Jurnal Teknik Sipil Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan

Suhendrayatna Suhendrayatna

Chemical Engineering Department, Faculty Of Engineering, Universitas Syiah Kuala, Banda Aceh, Indonesia, 23111

Author-ID : 389595

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 Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Physics Social Sciences Transportation Other

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Adsorption Of Cd(II) Ions From Aqueous Solution By A Low-Cost Biosorbent Prepared From Ipomea Pes-Caprae Stem Thaharah Ramadhani; Faisal Abdullah; Indra Indra; Abrar Muslim; Suhendrayatna Suhendrayatna; Hesti Meilina; Saiful Saiful
Aceh International Journal of Science and Technology Vol 9, No 3 (2020): December 2020
Publisher : Graduate Program of Syiah Kuala University

The use of a low-cost biosorbent prepared from Ipomoea pes-caprae stem for the adsorption of Cd(II) ions from aqueous solution at different contact times, biosorbent sizes, pH values, and initial Cd(II) ions concentration solution was investigated. The biosorbent was analyzed using Fourier-transform infrared spectroscopy (FT-IR) to find important IR-active functional groups. A scanning electron microscope (SEM) was used to examine the biosorbent morphology. The experimental results showed the highest Cd(II) ions adsorption was 29.513 mg/g under an optimal condition as initial Cd(II) ions concentration of 662.77 mg/L, 1 g dose, 80-min contact time, pH 5, 75 rpm of stirring speed, 1 atm, and 30 oC. Cd(II) ions' adsorption kinetics obeys the linearized pseudo-second-order kinetics (R2 = 0.996), and the adsorption capacity is based on the optimal condition, and the rate attained was 44.444 mg/g and 0.097 g/mg. Min, respectively. Besides, the adsorption isotherms were very well fitted by the linearized Langmuir isotherm model, and the monolayer adsorption capacity and pore volume determined was 30.121 mg/g and 0.129 L/mg, respectively. These results indicated the chemisorption nature

Study on the optimization of mercury ion (II) adsorption with activated carbon from a biomass combination of palm bunches and rice husk Suhendrayatna Suhendrayatna; Abdurrahman Abdurrahman; Elvitriana Elvitriana
Aceh International Journal of Science and Technology Vol 8, No 3 (2019): December 2019
Publisher : Graduate Program of Syiah Kuala University

This research deals with the adsorption of mercury ions [Hg (II)] using a combination of natural biomass between oil palm bunches and rice husks (PB-RH). After drying at 40oC, PB-RH biomass was carbonized by using a tube furnace for 2 hours at 500 °C and followed chemical activation with citric acid. Activated carbon formed was contacted with an aqueous solution containing Hg (II) ion and stirred at a constant rate of 150 rpm. The concentration of Hg (II) ions in the aqueous phase were analyzed with Atomic Absorption Spectrophotometer (AAS) and the Central Composite Design (CCD) method with Design-Expert software version 6.0.8 was conducted to calculate the optimization of adsorption capacity for mercury ion. The Hg ion adsorption capacity was estimated to observe the performance of the PB-RH biomass combination on the adsorption of Hg (II) ions with some variables, such as contact time, biomass weight, and activator concentration. Results showed that all variable response, contact time, biomass weight, and activator concentration influenced the mercury (II) ion adsorption capacity. The optimum condition of Hg (II) ion adsorption occurred at 30 g of activated PB-RH biomass with 0.6 mole/L concentration of activator during 99.88 minutes with 99.42 mg/L initial concentration of Hg (II). The adsorption capacity occurred at 10.1 mg/g as the optimum condition for the adsorption of Hg (II) ions by PB-RH.

Adsorption of Phosphate from Aqueous Solution by Calcination of Silicified Coal: Kinetic and Isotherm Studies Lisa Fandana; Faisal Abdullah; Abrar Muslim; Suhendrayatna Suhendrayatna; Hesti Meilina
Aceh International Journal of Science and Technology Vol 12, No 2 (2023): August 2023
Publisher : Graduate Program of Syiah Kuala University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/aijst.12.2.31967

Silicified coal (SC) consisting of SiO2 is promising raw material for adsorbent. The present study aimed to utilize the adsorbent of silicified coal bottom ash (SCBA) by calcination of the SC at the temperature of 600, 800 and 1000 oC for 1 hour. The FTIR result showed that the SCBA-600, SCBA-800 and SCBA-1000 had chemical functional groups such as the asymmetric Si-O-Si, the symmetric Si-O-Si and Si-O-Si bond rocking for adsorption of phosphate (PO43−) with the lowest percentage of transmittance of SCBA-1000. The adsorption test showed that a rapid adsorption occurred in the first 10-min of contact time, and it did not change significantly for the rest of contact time until reaching an equilibrium time of 30 min. The PO43− adsorption efficiency and capacity fluctuated over initial PO43− in solution in the range of 60.02–480.29 mg/L. The highest PO43− adsorption efficiency and capacity was at 480.29 mg/L, which was 95.49 % and 45.86 mg/g, respectively using the SCBA-1000. The adsorption kinetic fitted better to pseudo second-order kinetics model (average R2 = 0.999) with the adsorption capacity of 45.454, 45.662 and 45.872 for the SCBA_600, SCBA_800 and SCBA_1000, respectively, and the PO43− adsorption rate was 0.0007, 0.0008 and 0.001 g/mg.min, respectively. The adsorption isotherm followed Langmuir model (average R2 = 0.873) with the adsorption capacity being 2.357, 1.198 and 8.196 mg/g, respectively, and the pore volume being 0.0316, 0.0364 and 0.2103 L/mg, respectively

Co-Authors . Bahagia . Elvitriana . Marwan A.A. Ketut Agung Cahyawan W ABDUL GANI Abdul Gani Abdurahman Abdurrahman Abrar Muslim Abrar Muslim Ade T Afifuddin, Muhammad Al Harist, Al Harist Aman Yaman Asmaul Husna Bahagia Bahagia Bahagia Bahagia Darusman Darusman Dedi Sofriadi Donny Avrilan Edi Munawar Eldina Fatimah Elviani Elviani Erika L Faisal Abdullah Faisal Abdullah Fredinan Yulianda H Murni Halik Halimah Halimah Henny Marlina Heri Afriadi Aka Hesti Meilina Hesti Meilina Husni Husni Indra Indra Iqbalul Hadi Irhamni Irhamni Irma Yurni Kasturi Kasturi Kiman Siregar* L, Erika Laksono Trisnantoro Lisa Fandana Marwan Abu Bakar Marwan Marwan Monita Olivia Muhammad Afifuddin Muhammad Ikhsan Sulaiman Muhammad Syukri Muhammad Zaki Muhammad Zaki Muhammad Zaki, Muhammad Zaki Mulyadi Mulyadi Novia Novia Nurlaili Nurlaili Pardede Pardede Pardede, Pardede Putri Nurmala Rahmawati, Sri Rini Ermiana* Rini Safitri RITA ANDINI Rita Andini Sabrina Hayatun Nufus Saiful Saiful Sri Adelila Sari Sugianto Syaiful Huzni Syaubari Syaubari T, Ade Thaharah Ramadhani Vera Viena Wilda Khairuna Yundari, Yundari Zainal Abidin Muchlisin Ziana Ziana Zuhri, Sarika Zulkifli AK Zulkifli Ak

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