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Synthesis of Ion Imprinted Polymers (IIPs) Adsorbent Materials Using Fe(III) Leaching Process with Variation of Hydrochloric Acid Solvent Concentration and Heat Treatment Royani, Idha; Maimunah; Edianta, Jaya; Alfikro, Ihsan; Fiber Monado; Jorena; Satya, Octavianus Cakra; Virgo, Frinsyah
Science and Technology Indonesia Vol. 9 No. 2 (2024): April
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2024.9.2.336-344

Abstract

Fe(III)-IIPs material was prepared using a cooling-heating method with different leaching variations. The synthesis process used several chemical components, including EGDMA, MAA, and BPO as the crosslinker, functional monomer, and initiator. This study focused on the template formation process of IIPs with leaching variations, using parameters such as molarity concentration, solution mixture, and temperature to influence the amount of template formed in the polymer body. The spectra of XRD showed a widening value of FWHM as higher molarity was applied during the leaching process, with the widest one at 0.163 rad for IIPs 3 M. Fe(III) peak is located at 680-610 cm−1 or 1386-1350 cm−1 within the unleached sample, according to FTIR spectra. It also can be traced at minimum intensity in leached samples. SEM data processing showed that higher concentrations were essential in releasing Fe(III) ions from the polymer body. Meanwhile, heat treatment did not strongly impact the template formation sites of IIPs. Synthesized Fe(III)-IIPs materials had adsorption capacity, optimum time, and efficiency of 9.35 mg.g−1, 40 minutes, and 93.48%, respectively. Based on the results, Fe(III)-IIPs materials had great potential as adsorbents for removing metal pollutants from water.
Pemasangan Lampu Penerangan Jalan Utama Ponpes Darussalam Al-Fatah, Desa Binaan Tanjung Pering, berbasis PLTS Mini Assaidah, Assaidah; Menik Ariani; Erry Koriyanti; Khairul Saleh; Jorena; Yulinar Adnan
Jurnal Pengabdian UntukMu NegeRI Vol. 9 No. 1 (2025): Pengabdian Untuk Mu negeRI
Publisher : LPPM UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jpumri.v9i1.9100

Abstract

Lampu penerangan jalan umum (PJU) adalah hal yang sangat penting bagi masyarakat terutama yang beraktifitas pada malam hari. Hal ini krusial untuk menjaga keselamatan, keamanan dan kenyamanan warga yang melintas di sebuah jalan. Oleh karena itu, telah dilakukan kegiatan pengabdian pada masyarakat (PPM) tahun 2024 lalu berupa pemanfaatan pembangkit listrik tenaga surya (PLTS) untuk penerangan di sepanjang jalan masuk ke Ponpes Darussalam Al-Fatah, Desa Binaan Tanjung Pering, Indralaya, Ogan Ilir. Listrik yang dihasilkan oleh panel sel surya beserta sistem pendukungnya dapat menggantikan kebutuhan listrik konvensional yang selama ini diambil dari jaringan listrik PLN sehingga biaya operasional Ponpes menjadi lebih murah dan membebaskan ketergantungan terhadap sarana yang seharusnya disediakan pemerintah daerah. Lampu PJU tersebut dipasang pada 11 tiang listrik di sepanjang jalan 300m sehingga membantu warga pondok dan masyarakat yang berkebun di sekitar lokasi dalam beraktifitas di malam hari.
Co-Authors Alfikro, Ihsan Assaidah, Assaidah Edianta, Jaya Erry Koriyanti Fiber Monado Frinsyah Virgo Idha Royani Khairul Saleh Maimunah Menik Ariani Octavianus Cakra Satya Yulinar Adnan