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All Journal AL KAUNIYAH Journal of Degraded and Mining Lands Management Jurnal Informatika dan Teknik Elektro Terapan JOIN (Jurnal Online Informatika) English and Literature Journal MLJ Jurnal Penelitian Pendidikan IPA (JPPIPA) Al-Kimia Jurnal Teknologi Pertanian (Agricultural Technology Journal) Gema Kampus IISIP YAPIS Biak Journal of Stem Cell Research and Tissue Engineering Indonesian TESOL Journal CIVICS: Jurnal Pendidikan Pancasila dan Kewarganegaraan Jurnal Agrisistem International Journal of Educational Review, Law And Social Sciences (IJERLAS) Jurnal Bina Pengabdian Kepada Masyarakat Journal of Educational Management and Instruction (JEMIn) International Journal of Social Science, Educational, Economics, Agriculture Research, and Technology (IJSET) AJAD : Jurnal Pengabdian kepada Masyarakat ISTIQRA: JURNAL HASIL PENELITIAN LingPoet: Journal of Linguistics and Literary Research Riau Law Journal International Conference on Health Science, Green Economics, Educational Review and Technology (IHERT) Jurnal Teknik Transportasi Da'watuna: Journal of Communication and Islamic Broadcasting LAWPASS Science and Technology: Jurnal Pengabdian Masyarakat Journal of Soil Quality and Management International Journal of Law and Society Sains: Jurnal Kimia & Pendidikan Kimia Journal of International Islamic Law, Human Right and Public Policy Jurnal Dinamika Sosial dan Sains Edukasi dan Didatika: Jurnal Ilmiah Pendidikan Dasar Ekopedia: Jurnal Ilmiah Ekonomi Melayunesia Law
Dahlan
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Journal : Al-Kimia

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ADSORPSI KALSIUM AIR PAYAU SEBAGAI SUMBER AIR BERSIH BAGI MASYARAKAT PESISIR DENGAN SILIKA TERMODIFIKASI DARI ABU SEKAM PADI Kahar, Kaharuddin; Edihar, Muh; Harimu, La; Dahlan; Mutmainnah
Al-Kimia Vol 13 No 1 (2025): JUNE
Publisher : Study Program of Chemistry - Alauddin State Islamic University of Makassar

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Abstract

Many Indonesian residents have difficulty obtaining clean water, especially people who live in coastal areas. Those who live there can only consume brackish water which is considered to have side effects on health due to the excessive calcium content. This research offers a simple method, namely adsorption using abundant raw materials, namely rice husk ash from agricultural waste resulting from burning rice husks. Using husks directly has less effectiveness, so it needs to go through additional processes such as removing impurities and modifying the structure. This research aims to reduce calcium levels in brackish water using silica that has been modified from rice husk ash. The process of making adsorbents is carried out by sieving, heating, filtering, washing to obtain silica, then modifying and optimizing important parameters until its application to brackish water. The difference between pre-modified and modified silica can be seen in the characterization with FTRI at wave numbers from 470 cm-1 to 430 cm-1 1, namely deeper bending vibrations, which are also clarified by the surface condition with more structured pores seen in the SEM results. The modified silica works optimally at a mass of 0.4 grams, pH 7.5, contact time of 40 minutes and concentration of 50 ppm. It has an adsorption capacity of 3.2 mg/g and follows the Langmuir isotherm pattern.
Co-Authors Abdul Kadir Ahmad Ahmad Muzammil Alfiana Anas Laode andi mirza Andry Syafrizal Tnjung Asia Habby, Fihanas Permada AZHAR ANSI, AZHAR Azis H, Abd Aziz Sakti Nugroho Bachtiar Simatupang Bambang Fitrianto Desy Radhiyah Dini Rohmayani Djamil Hasim Eliana Etty Sri Wahyuni Etty Uyun Fachry Abda El Rahman Fadhil Rifgi Pratama fahrudin Fajar Fitriani , Andi Alya Fransiscus S. Rembon Gaffar, Syamsul Bakhri Gower Hargo Basuki Hasnur Ferya Khomaini Hasriyodan Hendrizal Henry Aspan Herdian, Freddy Hermanu Iriawan Idham Kholid Intan Chairun Nisa Irfan Harmain Irma Novianti Irwin Iwan Sahat Maruli Simanjuntak Jalal , Novita Maulidya kahar, kaharuddin Kaloko, Ilhamda Fattah La Harimu La Ode Ahmad Nur Ramadhan Laksana, Mohammad Alfi Nanda Laode Muhammad Harjoni Kilowasid Laode Sabaruddin Lestari Lamindo Limbong Listiana Sri Mulatsih M. Anas M. Jafar Mahyuddin, Reza Masykur Rauf, Masykur MAYANG SARI Muh. Edihar Muh. Said Hasan Muhammad Andi Muhammad Farhan Pratama Muhammad Juang Rambe MUHAMMAD RIZAL Mulyati Mulyati Muslim Nasrum Ninik Ayuhandika Parapa, Imelia Putra, Rian Rusmana Rachman, Muhammad Aimar Ramlan Randy Asmoro Dwi Purnomo Regina D. Krobo Rivai, Iskandar Riza Firdaus Robert Molenaar Ruland Rantung Rustam Musta Saida Rasnovi Saipan Sarah Fadilah Sulaeman Siti Nurhayati Sri Handayani Sri Sartini Muniaha Sukartono Sukmana, Uza Sumardi, Lalu Sumarno Susmihara Susmihara Syahruni Junaid, Syahruni Syaiful Dinata Syam, Rahmawati Tamara, Adrian Kristanto Tamaulina Br. Sembiring Taruna Prakarsa Tati Ernawati TAYIB, ADE SOPYAN HADI Teuku Muttaqin Mansur TRESJIA CORINA RAKIAN, TRESJIA CORINA Unsha, Fuji Attariq Veni Sofia Wa Ode Mulyana Wibisono, Gendoet Indarto Yopa Emalia Fajarini Yuliansyah, Riski Yusra Yusuf, Putri Zulfikar