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All Journal Indonesian Journal of Chemical Analysis (IJCA) Jurnal Inovasi Penelitian International Journal of Social Science
Anggi Saputra
Department Of Agricultural Technology, Politeknik Negeri Lampung, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Education Environmental Science Health Professions Languange, Linguistic, Communication & Media Medicine & Pharmacology Public Health Social Sciences Other

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Material MOFs (Metal Organic Frameworks) dalam Aplikasi Fotokatalisis: Mini Review Rahmat Hidayat; Anggi Saputra; Murni Fitria
Indonesian Journal of Chemical Analysis (IJCA) Vol. 5 No. 2 (2022): Indonesian Journal of Chemical Analysis
Publisher : Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/ijca.vol5.iss2.art7

Abstract

MOFs (Metal Organic Frameworks) telah banyak dilaporkan berhasil diaplikasikan dalam berbagai bidang salah satunya fotokatalitik. MOFs tersusun dari ion logam atau cluster oksida logam, senyawa penghubung organik (linker), serta senyawa lain sebagai senyawa tamu (guest) yang memberikan banyak keunggulan jika digunakan sebagai material fotokatalis. Kemampuan menyerap foton dari cahaya serta porositas yang baik menyebabkan MOFs menarik untuk diaplikasikan sebagai fotokatalis. Kestabilan sifat kimia yang kurang baik dan tidak begitu sensitif terhadap sinar tampak menjadi pokok persoalan yang membuat MOFs masih mengalami banyak perkembangan. Berbagai metode dilakukan dengan memodifikasi ion logam, linker, maupun pada senyawa tamu untuk mendapatkan material MOFs dengan kestabilan sifat kimia yang baik, peningkatan luas area permukaan, dan mampu menyerap banyak sinar pada daerah tampak.
Analisis Protein Gen LCYB pada Mikroalga Laut Phaeodactylum tricornutum menggunakan Pendekatan Bioinformatika Murni Fitria; Anggi Saputra; Rahmat Hidayat; Niken Feladita
Indonesian Journal of Chemical Analysis (IJCA) Vol. 5 No. 2 (2022): Indonesian Journal of Chemical Analysis
Publisher : Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/ijca.vol5.iss2.art8

Abstract

LCYB merupakan gen yang memproduksi enzim Lycopene Beta Cyclase. Enzim Lycopene Beta Cyclase beperan dalam mengubah likopen menjadi ß-karoten. Gen LCYB terdapat pada diatom maupun mikroalga hijau. Berbeda dengan mikroalga hijau, penelitian mengenai struktur protein Lycopene Beta Cyclase selaku produk gen LCYB pada diatom masih minim publikasi. Dalam penelitian ini dilakukan prediksi struktur produk gen LCYB pada diatom P. tricornutum secara bioinformatika. Untuk menganalisis perbedaan produk gen LCYB pada diatom dan mikroalga hijau, produk gen LCYB pada diatom P. tricornutum dibandingkan dengan produk gen LCYB pada mikroalga hijau M. zofingiensis. Konstruksi pohon filogenetik dilakukan menggunakan perangkat lunak MEGA7. Analisis gen LCYB dan struktur produk gen LCYB dilakukan menggunakan beberapa perangkat bioinformatika. Analisis docking dilakukan untuk memperkuat prediksi adanya interaksi antara produk gen LCYB hasil prediksi dengan ligannya menggunakan AutoDocksTools-1.5.6. M. zofingiensis memiliki hubungan kekerabatan yang jauh dengan P. Tricornutum sehingga kemiripan gen dan produk gen LCYB hasil prediksi juga jauh berbeda. Mikroalga hijau M. zofingiensis mengandung protein transmembran yang tidak dimiliki pada diatom P. Tricornutum. Hasil docking menunjukkan adanya interaksi antara produk gen LCYB hasil prediksi dengan ligannya yaitu likopen.
EFFECTIVENESS OF ACTIVATED BAMBOO CHARCOAL TO REDUCE TSS AND NEUTRALIZE PH OF WASTE WATER IN KOLAM PENGENDAPAN LUMPUR (KPL) OF PT. BUKIT ASAM PELABUHAN TARAHAN LAMPUNG Oktaf Rina; Yatim Rahayu Widodo; Murni Fitria; Anggi Saputra; Rahmat Hidayat; Ajis Purnomo; Taty Silvia; Aang Haryadi; Syahdilla Anggiva Akhni
Jurnal Inovasi Penelitian Vol 3 No 8: Januari 2023
Publisher : Sekolah Tinggi Pariwisata Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47492/jip.v3i8.2420

Abstract

Water Treatment at PT Bukit Asam Pelabuhan Tarahan Lampung has carried out a waste treatment process in the Kolam Pengendapan Lumpur (KPL) which aims to purify or neutralize contaminated raw water into water that is categorized as clean according to quality standards. Bamboo charcoal was composed of carbon atoms which are known to have a high active surface area where it will increase along with the activation process. Activation of carbon can also be done by a combination of chemical and physical methods. In this study, the sorption capacity of activated bamboo charcoal was tested. ABT activity test on waste was carried out by batch method. In this method, ABT was put into an erlenmeyer flask containing liquid waste with a ratio of 1:50 (w/v). The mixture was then homogenized with a shaker at 150 rpm with a variation of soaking time of 10, 20, 30, 40, 50, and 60 minutes. The results concluded that the use of activated bamboo charcoal can reduce TSS to 15 mg/L and pH to 7.5. The use of activated bamboo charcoal can be recommended as a replacement component for alum in sewage treatment
CHARACTERISTIC PHYSICOCHEMICAL OF BAMBOO-BASED ACTIVATED CARBON FOR COAL RUN-OFF WATER TREATMENT USED AT PT.BUKIT ASAM SLUDGE SETTLEMENT POND Oktaf Rina; Anggi Saputra; Yatim R. Widodo; Syahdilla Anggiva Akhni Rarasati; Ajis Purnomo; Aang Haryadi
International Journal of Social Science Vol. 3 No. 1: Juni 2023
Publisher : Bajang Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53625/ijss.v3i1.6380

Abstract

The aim of this research were investigated bamboo-based activated charcoal (ABT)characteristics using Scanning Electron Microscopy (SEM) and Fourier Transform Infrared (FTIR). ABT has been successfully synthesized through physico-chemical activation at 700°C with H3PO4 10% solution as activator. The resulted were porous surface structure of bamboo charcoal causes an absorption interaction of pollutants (cations, anions, and suspended solids/TSS) in wastewater. Bamboo charcoal has different physical characteristics from charcoal from other types of raw materials because the structure with lignin composition is different from charcoal from other wood. The spectral patterns of AB and ABT are similar but differ in intensity. The functional groups detected in the two materials are the same, but there are differences in the absorption intensity where the ABT is relatively lower, especially in the hydroxyl functional groups at around 3400 and 1600 cm-1. This decrease in intensity is due to the dehydration process that occurs during both physical and chemical activation processes so that the hydroxyl groups come out of the bamboo charcoal structure
Synthesis of Bamboo-based Activated Carbon through Physico-chemical Activation for Coal-runoff Wastewater Treatment Anggi Saputra; Oktaf Rina; Rahmat Hidayat; Murni Fitria; Syahdilla Anggiva Akhni; Ajis Purnomo; Aang Haryadi
Indonesian Journal of Chemical Analysis (IJCA) Vol. 6 No. 2 (2023): Indonesian Journal of Chemical Analysis
Publisher : Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/ijca.vol6.iss2.art6

Abstract

Bamboo-based activated carbon (BAC) has been successfully synthesized through a physico-chemical technique. The characteristics of BAC were investigated using Scanning Electron Microscopy (SEM), Fourier Transform Infra-Red (FTIR), and X-Ray Diffraction (XRD). Evaluating BAC performance on coal-runoff wastewater was carried out by varying contact times and adding low-level alum on remediation of pH and Total Suspended Solid (TSS). The results confirm that BAC performs well in stabilizing pH, indicated by the neutral pH, after 10 minutes of interaction. The TSS with BAC treatment and 1% BAC-Alum combination reduced the TSS value from 880 mg/L to levels below the threshold for wastewater quality standards, 387 mg/L and 73 mg/L, respectively. This combination can be an alternative coal-runoff wastewater treatment technique for better environmental quality.
Co-Authors Aang Haryadi Aang Haryadi Ajis Purnomo Ajis Purnomo Ajis Purnomo Murni Fitria Niken Feladita Oktaf Rina Oktaf Rina Oktaf Rina Rahmat Hidayat Syahdilla Anggiva Akhni Syahdilla Anggiva Akhni Syahdilla Anggiva Akhni Rarasati Taty Silvia Yatim R. Widodo Yatim Rahayu Widodo