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Simparmin br Ginting
Jurusan Teknik Kimia, Fakultas Teknik, Universitas Lampung
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Review: The Use of Eco-Enzymes in Greywater Treatment Khotimah, Siti Nurul; Ginting, Simparmin Br; Arifaini, Nur; Mardhotillah, Nur Anisa; Puligadda, Lohit Krishna Pranav
Journal of Engineering and Scientific Research Vol. 6 No. 1 (2024)
Publisher : Faculty of Engineering, Universitas Lampung Jl. Soemantri Brojonegoro No.1 Bandar Lampung, Indonesia 35141

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jesr.v6i1.169

Abstract

Water pollution such as in rivers has become a concern due to its impact on health and the decreasing availability of clean water. There is a common assumption that industrial pollution is the main cause of water pollution. However, an interesting fact is that river pollution is largely dominated by contamination from household wastewater (domestic waste) discharged directly into drainage systems and ending up in rivers without prior treatment. Such cases are particularly prevalent in developing countries. Therefore, the challenge is to find solutions to treat domestic wastewater using simpler and cheaper technologies. Current research is focused on treating domestic wastewater especially greywater with eco-enzymes. Eco-enzymes are enzymes produced from the fermentation process of organic materials such as fruit peels or vegetable scraps for a minimum of three months. This paper will review the treatment of greywater using eco-enzymes, including the eco-enzyme production process, its characteristics, greywater characteristics, the methods employed, and the research findings. Finally, the paper will recommend possible avenues for further research related to the treatment of greywater using eco-enzymes
Kombinasi adsorben biji kelor - zeolit alam Lampung untuk meningkatkan efektivitas penjerapan logam Pb dalam air secara kontinu pada kolom fixed bed adsorber Simparmin Br. Ginting; Sebastian Djoni Syukur; Yeni Yulia
Jurnal Rekayasa Proses Vol 11 No 1 (2017): Volume 11, Number 1, 2017
Publisher : Jurnal Rekayasa Proses

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jrekpros.23154

Abstract

The mixture of adsorbents of moringa seed (BK) and natural zeolite of Lampung (ZAL) is placed in a fixed bed adsorber column arranged at a certain height according to the designed height ratio. BK is processed by extraction to remove its oil content while ZAL is activated by chemical and physical treatments. Composition ratio of BK-ZAL (cm/cm) was varied i.e.1:1, 1:2 and 1:3 and concentrations of Pb entering adsorber were 1 ppm and 2 ppm. The adsorption conditions were 20-35 mesh adsorbent size, 4 cm diameter column of adsorber, 5 cm bed height, and 8 liters/3 hours flowrate. Upflow adsorption was performed in a fixed bed adsorption column for 3 hours and Pb solution of output adsorber was taken at every 30 minutes. Analysis of Pb content was performed by Atomic Absorption Spectroscopy (AAS). Adsorbent BK before and after extracted, and after adsorption were characterized using Fourier Transmission Infra Red (FTIR). ZAL before and after activation were characterized using X-Ray Diffraction (XRD), X-Ray Fluorescence (XRF), and Fourier Transmission Infra Red (FTIR). The characterization results of XRD, XRF and FTIR showed that the crystalline phases of ZAL increased, the activation process of ZAL only caused a shift in the peak, no significant change in the structure of solids, and the content of impurities in ZAL reduced after activation, thereby enhancing its ability to adsorb Pb. AAS analysis results showed that the best combination adsorbent BK-ZAL (cm/cm) was 1: 2 with the highest effectiveness of the entrapment of Pb metal reached 99.90%. The adsorption capacity of adsorbent was 2.25 mg Pb/ gram adsorbent calculated using Freundlich equilibrium model.
Sintesis ZSM-5 dari coal fly ash (CFA) dengan sumber silika penambah yang berasal dari abu sekam padi: pengaruh rasio SiO2/Al2O3 terhadap kristalinitas produk Azlia Metta; Simparmin Br Ginting; Hens Saputra
Jurnal Rekayasa Proses Vol 8 No 2 (2014): Volume 8, Number 2, 2014
Publisher : Jurnal Rekayasa Proses

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jrekpros.11374

Abstract

Coal Fly Ash and rice husk ash can be utilized by converting it into ZSM-5 synthetic zeolite. One of the influencing factors of ZSM-5 synthetis is ratio of SiO2/Al2O3. Synthesis of ZSM-5 was carried out in an autoclave at a temperature of 180°C with a variation of the ratio of SiO2/Al2O3, namely 20, 30, 40, 50 and 60 mol/mol during 24 hour crystallization using TPABr template. Characterization of ZSM-5 was conducted using X-ray Diffraction, Scanning Electron Microscopy, Adsorption-Desorption Analysis of Nitrogen and Acidity. The results showed that the ZSM-5 was formed in all the variations of SiO2/Al2O3 ratios with the highest percent crystallinity of 52.83%, at the ratio of 50 mol/mol. All products are still in accompany with the formation of side products such as Analsime and Silica Oxide. The ZSM-5 crystal product was in hexagonal shape. Results from Adsorption-Desorption Analysis of Nitrogen indicated that all products were mesoporous materials.
Characterization and Application of HCl-Activated LTA Zeolite from Lampung Natural Zeolite (LNZ) for Bioethanol Purification Simparmin Br Ginting; Herry Wardono; Ulfa Islamia; Darmansyah .
Jurnal Rekayasa Kimia & Lingkungan Vol 17, No 2 (2022): Jurnal Rekayasa Kimia & Lingkungan (December, 2022)
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23955/rkl.v17i2.26692

Abstract

Lynde Type-A (LTA) zeolite as being molecular sieve and hydrophilic zeolite is used to dehydrate water in the purification of bioethanol. LTA zeolite from LNZ has a small surface area of 29,62 m2/g. Adding HCl activators to LTA Zeolite from LNZ was carried out to increase the surface area of LTA zeolite. The activation of LTA zeolite was carried through in a closed erlemeyer with various HCl concentration: 10% w/w, 15 % w/w, and 20% w/w and the ratio acid/LTA zeolite was 10 ml: 1 gram. The XRD analysis showed that the structure of LTA zeolite activated does not change despite the process of activation, and the highest percentage of crystallinity was obtained at 68.25% wt by concentration of HCl at 20 % w/w. The result of XRF analysis showed that the highest of impurity removal and the highest of decreasing ratio of Si/Al was in the LTA zeolite activated by HCl 20% w/w. The result of BET analysis showed the largest surface area at 45.67 m2/g obtained by adding 10% w/w of HCl activator, which was 45.67 m2/g, and the size of zeolites pore volume was 0.027 cc/g. The result performance of LTA zeolite activated obtained the highest purity of bioethanol by 99.74 % v/v at HCl concentration 20% w/w.
Ethanol Dehydration in Fixed Bed Column Using Pellet Adsorbent From Natural Zeolite Lampung Jonathan Kristian Adisaputro; Simparmin Br. Ginting
Jurnal Rekayasa Kimia & Lingkungan Vol 17, No 1 (2022): Jurnal Rekayasa Kimia & Lingkungan (June, 2022)
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23955/rkl.v17i1.24866

Abstract

This research is motivated by the reduced reserves of fossil fuels in Indonesia, so that fossil fuel substitutes are needed, one of which is ethanol. It's just that to make ethanol as a fuel substitute for fossil fuels, a 99% concentration is required, while the ethanol on the market only has a concentration of 96%. One of the processes that can be used to purify ethanol is the adsorption process. In this study, activation of Natural Zeolite Lampung (ZAL) was carried out to increase its adsorption ability to water contained in an ethanol-water solution. This zeolite modification process begins with ZAL pre-treatment, formation of ZAL in the form of pellets, then ZAL activation by calcination, the results of this modification are characterized through the FTIR, XRD, XRF, SEM, and BET mechanisms. ZAL has been successfully formed into pellets, this can be seen when ZAL is immersed and the ethanol-water solution is flowed, it does not change shape. The highest R2 value was obtained in the Adam Bohart equation model at a flow rate of 10 ml/minute with an R2 value of 0.9742 with the highest concentration achieved at a concentration of 98.797%.
Adsorpsi Logam Berat Menggunakan Selulosa Xanthat dari Bagas Tebu Dewi Agustina Iryani; Nisa Meutia Risthy; Simparmin Br. Ginting; Darmansyah Darmansyah
Jurnal Rekayasa Kimia & Lingkungan Vol 14, No 1 (2019): Jurnal Rekayasa Kimia & Lingkungan (June, 2019)
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23955/rkl.v14i1.12520

Abstract

The most effective way to reduce the pollution of heavy metal waste is the adsorption process using an adsorbent. Sugarcane bagasse is one of materials that has high affinity to absorb heavy metals. The adsorption capacity of sugarcane bagasse can be increased by converting it into cellulose xanthate by reaction of cellulose with carbon disulfide (CS2). Synthesis of cellulose xanthate consists of three stages, i.e isolation, alkalization, and xanthation. In this study, the preparation of cellulose xhantate was conducted by adding carbon disulfide (CS2) about 180% (w/w). The temperature of xhantation reaction was varied at 35C, 40C and 45C. The effect of temperature reaction into degree of substitution (DS), the degree of polymerization (DP) and the metal adsorption capacity of cellulose xanthate for Zn2+ and Pb2+ were determined by quantitative and qualitative analyze. Morphological characteristics of cellulose xanthate was characterized by SEM and the functional groups contained in the cellulose xanthate was characterized by FTIR. The result showed that cellulose xanthate synthesized at temperature of 35C have a highest value of DS, DP, and the adsorption capacity higher than two variations of temperature (40C and 45C). The value of DS, DP, and the adsorption capacity is 0.389, 299.27, 48.353 mg/g for Zn2+ metal and 51.763 mg/g for the metals Pb2+, respectively
Pengaruh Waktu Aging pada Sintesis Zeolit Linde Type-A (LTA) dari Zeolit Alam Lampung (ZAL) dengan Metode Step Change Temperature of Hydrothermal Simparmin Br. Ginting; Guntur Arya Perdana; Darmansyah Darmansyah; Dewi Agustina Iryani; Herry Wardono
Jurnal Rekayasa Kimia & Lingkungan Vol 14, No 1 (2019): Jurnal Rekayasa Kimia & Lingkungan (June, 2019)
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23955/rkl.v14i1.12093

Abstract

Zeolit Lynde Type-A (LTA) merupakan zeolit yang tergolong dalam kadar Si/Al rendah. Zeolit LTA memiliki berbagai kegunaan, antara lain sebagai adsorben, katalis, membran, penukar ion, maupun molecular sieve. Zeolit LTA sebagai molecular sieve memiliki kemampuan dehidrasi yang tinggi sehingga dapat digunakan untuk dehidrasi air pada campuran bioetanol-air agar diperoleh bioetanol yang sesuai dengan FGE (Fuel Grade Ethanol), yaitu kemurnian mencapai lebih besar dari 99%. Zeolit LTA dapat menyerap air di dalam bioetanol dikarenakan sifat Zeolit LTA yang hidrofilik. Penelitian ini mengkaji pengaruh waktu aging agar diperoleh persen kristalinitas relative zeolit LTA yang tinggi. Variasi waktu aging pada penelitian ini adalah 0 jam, 15 jam, 30 jam, dan 45 jam. Tahapan sintesis zeolit dilakukan pada sebuah water bath secara hidrotermal dengan metode step change temperature, yaitu pada suhu 90oC selama 1,5 jam dan 95oC selama 2,5 jam. Hasil sintesis dianalisis menggunakan SEM (Scanning Electron Microscopy), FTIR (Fourier Transmission Infra Red), BET (Brunaur, Emmet And Teller), dan XRD (X-Ray Diffracton). Berdasarkan analisis FTIR, hasil sintesis mempunyai ciri khas Zeolit LTA yaitu double rings pada bilangan gelombang 550-600 cm-1, persen kristalinitas relatif tertinggi yang didapatkan dari hasil analisis XRD adalah sebesar 66,15%, hasil analisis SEM menunjukkan morfologi Zeolit LTA berbentuk kubus, dan berdasarkan analisis BET didapatkan isotherm adsorpsi tipe ketiga.
PENGELOLAAN SAMPAH PLASTIK DENGAN KONSEP REDUCE, REUSE, DAN RECYCLE UNTUK MENINGKATKAN KESADARAN SISWA TERHADAP LINGKUNGAN DI SMAN 2 KOTA AGUNG Darni, Yuli; Utami, Herti; Lismeri, Lia; Lesmana, Donny; Ginting, Simparmin Br; Pandiangan, Kamisah Delilawati; Achmad, Feerzet
Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Vol 8 No 3 (2024)
Publisher : Lembaga Penelitian dan Pengabdian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jss.v8i3.538

Abstract

Kegiatan pengabdian ini bertujuan meningkatkan kemampuan Siswa dan Siswi SMAN 2 Kota Agung untuk mengelola sampah plastik menjadi suatu produk yang lebih bermanfaat. Selain untuk meningkatkan nilai tambah sampah plastik, upaya ini juga bertujuan untuk mengatasi masalah kebersihan lingkungan, sekaligus mendukung program pemerintah dalam zero waste program. Dalam kegiatan pengabdian ini dilakukan sosialisasi pengelolaan sampah dengan konsep Reduce, Reuse, dan Recycle (3R), dan peningkatan nilai ekonomis sampah plastik yang masih dapat dijual. Melalui kegiatan pengabdian ini mitra yang merupakan siswa dan siswi SMAN 2 Kota Agung mendapatkan pengetahuan yang bermanfaat dan memiliki kemampuan untuk memilah sampah, khususnya sampah plastik. Dengan demikian semakin banyak sampah yang dapat didaur ulang dan dimanfaatkan kembali menjadi produk lainnya. Kegiatan ini perlu dilakukan karena daur ulang sampah untuk mengurangi atau mengatasi terjadinya pencemaran lingkungan sangat membantu program pemerintah. Kata kunci: sampah plastik; metode 3R; siswa SMAN 2 Kota Agung; lingkungan
Sintesis dan karakterisasi zeolit LTA dari coal bottom ash teraktivasi dengan aging system Ginting, Simparmin Br
Jurnal Teknologi dan Inovasi Industri (JTII) Vol 1, No 1 (2020)
Publisher : Fakultas Teknik, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtii.v1i1.10

Abstract

Telah dilakukan sintesis Zeolit LTA (Linde Type-A) dari Coal Bottom Ash (CBA) terkalsinasi dengan metode step change temperature . Pada penelitian ini dikaji pengaruh waktu aging dan uji kinerja Zeolit LTA pada proses dehidrasi adsorptif etanol air agar diperoleh bioetanol yang sesuai dengan FGE (Fuel Grade Ethanol ). Coal Bottom Ash (CBA) dikalsinasi pada suhu 500oC kemudian ditambahkan dengan Al2O3 dan NaOH untuk membentuk larutan silika alumina serta diaging dengan variasi waktu aging 0, 12, 24, dan 36 jam. Larutan silika alumina disintesis menggunakan media botol polipropilen kemudian dianalisis menggunakan XRD (X-Ray Diffraction), SEM (Scanning Electron Microscopy), FTIR (Fourier Transmission InfraRed), dan BET (Brunaur, Emmet And Teller). Berdasarkan analisisis XRD diperoleh persen kristalinitas relatif tertinggi 43,88%, hasil analisis FTIR menunjukan ciri khas zeolit LTA pada bilangan gelombang 550-600 cm-1, hasil analisis SEM menunjukan pola morfologi standar berbentuk kubus, dan hasil analisis BET didapatkan loop histeris tipe III. Dari hasil uji performa Zeolit LTA pada etanol air diperoleh kadar penjerapan air akhir sebesar 76,84%. 
Synthesis of rubber seed shell-derived porous activated carbons for promising supercapacitor application Rustamaji, Heri; Prakoso, Tirto; Devianto, Hary; Widiatmoko, Pramujo; Febriyanto, Pramahadi; Ginting, Simparmin br; Darmansyah, Darmansyah
International Journal of Renewable Energy Development Vol 14, No 2 (2025): March 2025
Publisher : Center of Biomass & Renewable Energy (CBIORE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/ijred.2025.60869

Abstract

This work investigates synthesizing activated carbon obtained from rubber seed shells utilizing several activating agents (KOH, CaCl2, and ZnCl2) for supercapacitor applications. Activated carbon was produced from a rubber seed shell using hydrothermal carbonization at 275 °C for 60 minutes and a 120-minute activation treatment at 800 °C. Various activating agents pronounced impacted the pore architecture, surface area, crystallinity, and level of graphitization, which collectively determined the electrochemical characteristics of the resulting materials. Incorporating activation agents enhances the specific surface area and influences the extent of graphitization of activated carbon. The specific surface area of activated carbon products ranges from 367 to 735.2 m² g⁻¹. Further investigation through electrochemical analysis, conducted with a carefully engineered two-electrode system, demonstrated a peak electrode capacitance value of 246 F g-1 at 50 mA g-1 for an ACZn-based supercapacitor. Supercapacitor cells’ energy and power densities reached significant levels, measuring 5.47 Wh kg-1 and 246 W kg-1, respectively. The RSS-derived activated carbon-based supercapacitor exhibited remarkable longevity in a 5000-cycle test, with consistent capacitance retention and coulombic efficiency of 100.11% and 100%, respectively. This work presents a sustainable pathway for producing activated carbon electrodes, contributing to the global circular economy and demonstrating considerable industrial potential.
Co-Authors Achmad Ariyadi Anandati, Ghea Maulidaco Aviati S., Yuniar Azhar Azhar Azhar Azhar Azhar Azizah, Ara Annastasya Azlia Metta Azlia Metta Badaruddin, M. Damaru, Restu Damayanti, Sri Ismiyati Darmansyah Darmansyah . DARMANSYAH . Darmansyah Darmansyah Darmansyah Darmansyah Devi Permata Sari Devianto, Hary Dewi Agustina Iryani Dewi Agustina Iryani Dewi Agustina Iryani Dewi Agustina Iryani, Dewi Agustina Donny Lesmana Donny Lesmana Dwi Derti Sulistiowati Elida Purba Elistia Nursafitri Febriyanto, Pramahadi Feerzet Achmad Guntur Arya Perdana Harahap, Fahmi Alif Utama Harahap, Katrina Hens Saputra Hens Saputra Heri Rustamaji Heri Wardono Hermiyati, Ria Putri Hermiyati, Ria Putri Herry Wardono Herti Utami Herti Utami Herti Utami Herti Utami Heru, Heru Jonathan Kristian Adisaputro lialismeri Lismeri, Lia M. Praditia Ansor M. Yassien Nurfiqih Mardhotillah, Nur Anisa Marlina, Arlin Mayanti, Eva Miranda, Thalya Muhammad Hanif Muhammad Hanif Muhammad Haviz Nabilla Uliane Ni Luh Gede Ratna Juliasih Nisa Meutia Risthy Novaringga, Adellia Nugrahini, Panca Nur Arifaini Nur Hasanah Nurhasanah Husin Pandiangan, Kamisah Delilawati Pista, Annisa Fitria Puligadda, Lohit Krishna Pranav Putri, Erisha Putri, Yolanda Dwika Putriani, Eka Nanda Ria Putri Hermiyati Sebastian Djoni Syukur Sebastian Djoni Syukur Silviyanti, Serly Siti Nurul Khotimah Solly Aryza Sri Ismiyati Damayanti Sujoto, Vincent Sutresno Hadi Sulistiowati, Dwi Derti Sulistiowati, Dwi Derti Thalya Miranda Tirto Prakoso Ulfa Islamia Vincent Sutresno Hadi Sujoto Widi Astuti Widiatmoko, Pramujo Yeni Yulia Yeni Yulia Yolanda Dwika Putri Yuli Darni Yuli Darni Yuli Darni Zulaikha Setya Mega Sari