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Journal : CHEMPUBLISH JOURNAL

Calcium Reduction Using Variations of Thickness and Retention Time of Cocoa Shell Activated Carbon Muadifah, Afidatul; Santoso, Arif; Ngibad, Khoirul; Martha, Rahma Diyan; Kholifah, Siti Nurriyatul
Chempublish Journal Vol. 7 No. 1 (2023): Chempublish Journal
Publisher : Department of Chemistry, Faculty of Science and Technology Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/chp.v7i1.24768

Abstract

High levels of hardness can lead to increased cases of kidney stones. Hardness levels can be reduced by using activated carbon from the cocoa rind as an adsorbent. The purpose of this research was to determine the variation of activated carbon thickness and optimum retention time in reducing the calcium content of dug well water, to determine the percent decrease in calcium ion levels at the optimum variation, and to determine the significance of the difference in the decreased in calcium levels between the treatment groups. The research method used the principle of adsorption of activated carbon from cocoa shells to calcium ions, which are activated by KOH. There were ten treatment samples with different variations of activated carbon thickness and retention time. The results showed that the thickness of activated carbon of 60 cm with a retention time of 50 minutes had the optimum ability to reduce the calcium content of dug well water. The percentage decrease in calcium levels reached 89,041 % with a decreased concentration of 234 ppm. The result of the statistical test showed a significance value of 0,05. The conclusion of the research is that activated carbon of cocoa shells can reduce calcium levels to the levels of soft water hardness, with variations in activated carbon thickness and retention time having a significant effect.
Co-Authors Abdul Azis, Asrul Adib Khusnul Rois, Adib Khusnul Adnan, Endy Amir Mahmud Ana Rima Setijadi Anas Fadli Wijaya Andarini, Sita Andromeda, Rossalyn Anggit Dwi Hartanto, Anggit Dwi Anggita, Dwi Anwar Muqorobin Arfiansyah, Mochammad Aris Asy'hari, Mohammmad Alif Candrakusuma, Muslih Choirul Huda Destiawan, Rian Anggia Diyan Martha , Rahma Djaharuddin, Irawaty Elisna Syahruddin Ema Utami Ermayanti, Sabrina Estiko Rijanto Fathoni, M. Faiz Fauzi Ahmad Muda Haryati Haryati Hendri Maja Saputra Hidayat, Moulid Ida Ayu Putu Sri Widnyani Imanez, Ketzia Adrian Infianto, Andreas Irandi Putra Pratomo IRFAN IDRIS Iskandar, Harun Jasminarti, Ida Ayu Joko Prayitno Susanto Kholifah, Siti Nurriyatul Kinasih, Tutug Kumalasari, Nurul Chamidah Kurniawan, Ferry Dwi Laksmi Wulandari Lihawa, Nurjannah Liong Boy Kurniawan, Liong Boy Lukmanul Khakim Lukni Maulana Martanty Aditya, Martanty MARTHA, RAHMA DIYAN Midriem Mirdanies Milenia Tasya, Syavira Muadhifah, Afidatul Muadifah, Afidatul Muhammad Ilyas Mulyamin, Winda Mustafa, Maulana Saggaf Nawa Suwedi Ngibad, Khoirul Ning Iriyanti Noni Novisari Soeroso Nurdian Susilowati Nurjanah, Mutia Hariani Nurjannah, Mutia Hariani Prasenohadi, Prasenohadi Pratiwi, Widya Wahyu Putra, Andika Chandra Putrawan, Harry Azka Putri, Amalia Eka Rahayu, Selvia Rahmawati, Rahmawati Ratu, Modestus Reba Anindyajati Pratama, Reba Anindyajati Riastus Nayanti Rizqi Andry Ardiansyah Roni Permana Saputra Safitri, Yunita Diyah Santoso, Andintia Aisyah Sari Lestari Sari, Puji Novita Sari, Trianita Setyawan, Ungky Agus Sri Melati Munir Sri Suwarni Sukma Aditya Sulastri Sulastri Syukroni, Azid Teguh Pudji Purwanto Tokumo, Kentaro Tri Rahardjo Sutardi Vikita Windarwati Vita Susanti Widaningsih, Yuyun Wiriansya, Edward Pandu Wulandari, A. Ratna Yustisia, Ika Zaini, Jamal