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All Journal Teknika: Jurnal Sains dan Teknologi IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Jurnal Inovator Kinetika Jurnal Pendidikan dan Teknologi Indonesia International Journal of Research in Vocational Studies (IJRVOCAS) Aptekmas : Jurnal Pengabdian Kepada Masyarakat Journal of Applied Agricultural Science and Technology
Abu Hasan
Politeknik Negeri Sriwijaya
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Journal : Kinetika

 1 
PEMBUATAN DAN UJI KARAKTERISTIK PAPAN SERAT DARI SERAT SABUT KELAPA DAN PLASTIK POLIPROPILENA DAUR ULANG Syahdilla Fadel Muhammad; Abu Hasan; Fadarina
KINETIKA Vol. 12 No. 2 (2021): KINETIKA 01072021
Publisher : Politeknik Negeri Sriwijaya

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The use of wood as industrial raw material has increased every year, while the availability of wood has decreased. Besides that, the increase in plastic waste is also a big problem. By making fiberboard from coconut coir fiber and recycled polypropylene plastic, it is hoped that it can increase the added value of coconut coir so that it can become a substitute material to replace the increasingly limited use of wood and also as a way to minimize polypropylene plastic waste in the environment. Based on the test results, the best fiberboard is a fiber board with a random arrangement of fibers with a pressing time of 60 minutes with a moisture content value of 1.18%, a density value of 0.48%, a water absorption value of 4.14%, a thick swelling value. amounted to 4.52%, the MOE value was 4050.80 kg/cm3, and the MOR value was 242 kg/cm3. Overall, the random fiber arrangement fiberboard with a pressing time of 60 minutes has met the SNI 03-2105-2006 standard, but only the MOE value has not met the standar
KINETIKA ADSORPSI KARBON AKTIF DALAM PENURUNAN KONSENTRASI LOGAM TEMBAGA (Cu) DAN TIMBAL (Pb) Ulfa Meila Anggriani; Abu Hasan; Indah Purnamasari1
KINETIKA Vol. 12 No. 2 (2021): KINETIKA 01072021
Publisher : Politeknik Negeri Sriwijaya

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Heavy metals cause environmental pollution and affect human health because they are toxic. Cu and Pb are heavy metals that are often found in environmental pollution. One of the methods to reduce Cu (II) and Pb (II) metal content is adsorption using activated carbon. The purpose of this study was to determine the ability of activated carbon to absorb Cu (II) and Pb (II) metals, as well as to calculate its kinetics and adsorption capacity. Activated carbon with a certain amount (1 g and 1.5 g) is added to 50 ml of Cu (II) and Pb (II) metal solution for a certain time (0 - 40 minutes). The results obtained after the adsorption process were analyzed using Atomic Absorption Spectrophotometry (AAS). From the results of AAS analysis, it was found that activated carbon with a mass of 1.5 grams and a contact time of adsorption for 40 minutes was the most effective in reducing the concentration of Cu (II) and Pb (II) metals. Cu (II) metal adsorption follows Freundlich adsorption isotherm model while Pb (II) metal follows Langmuir adsorption isotherm model. The adsorption kinetics pattern of Cu (II) and Pb (II) metals follows second order kinetic adsorptions
KINETIKA ADSORPSI LOGAM Cu DAN Zn PADA LIMBAH CAIR KELAPA SAWIT MENGGUNAKAN MEMBRAN SILIKA: ABSORPTION KINETIC OF Cu AND Zn METALS IN PALM LIQUID WASTE USING SILICA MEMBRANE Feni Sri Erani; Abu Hasan; Indah Purnamasari
KINETIKA Vol. 13 No. 03 (2022): KINETIKA 01112022
Publisher : Politeknik Negeri Sriwijaya

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Heavy metals can cause environmental pollution and affect human health. Cu and Zn are often found in the environment. One method to reduce Cu and Zn is to use the adsorption method. Adsorption has become a competitive method in the field of wastewater. Adsorption kinetics is one of the main factors that must be understood before the application of any adsorbent. In each adsorption process, linear or non-linear analysis of the kinetics was applied. A fit index (correlation coefficient or sum of squares) was applied to access the best model. The purpose of this study was to determine the adsorption equation model, to obtain the adsorption kinetics of Cu and Zn metals using a silica membrane. The methodology used is silica extraction by precipitation method and then the process of making PVA and PEG membranes as adhesives and solvents. For the analysis of metal concentrations of Cu and Zn, Atomic Absorption Spectrophotometry (AAS) was used, while for membrane morphology analysis, a Scanning Electron Microscope (SEM) was used. From the process of applying silica membrane to palm oil liquid waste, the results of Pseudo Order 1 absorption kinetics for Cu metal (artificial solution) with k value of artificial Cu metal (4M) 0.0596, and k value of artificial Cu metal (8M) 0.0022, while the Pseudo Order 1 absorption kinetics for Zn metal with a k value of Zn metal (4M) 0.0077, and a k value of Zn metal (8M) 0.0109.
Co-Authors Ade Silvia Handayani Afiifa Aaliyah Maharani Aida Syarief Aida Syarif Arfan Hasan Ayuni Lestari Bambang Irawan Fadarina Feni Sri Erani Husni, Nyayu Latifah Indah Purnamasari Indah Purnamasari1 Indarianti Utami Joniken Lesmana Julismi KA Ridwan Leila Kalsum M. Sobri Muhammad Yerizam Nasron Nasron Nedia Sandika Rafit Arjeni Rivaldo Arviando Robert Junaidi Rusdianasari Sabilal Rasyad Sopian Soim, Sopian Syahdilla Fadel Muhammad Ulfa Meila Anggriani Yohandri Bow