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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 'Aini, Febriana Devi Nur - Fatimah Adisyaningrum, Ega Nurgia Aena Laili Afidatul Muadifah Afidatul Muadifah Ahmad Yudianto Algafari Bakti Manggara Amalia Putri Eka Anas Fadli Wijaya Anisa Azizah Annisah Mahanani Aprilia, Chatrina Apriliani, Herlina Arif Santoso Arif Santoso Asmarani Kusumawati Atiqoh Zummah Ayu Insa Ayu Insa Fajri Azriel Restu Azriel Restu Chairil Anwar Choirul Huda Choirul Huda Danar Danar Danar Danar Danar, Danar Dara Pranidya Tilarso Dita Arindea Tunggal Putri Dyah Setyaningrum, Dyah Ega Nurgia Adisyaningrum Ega Nurgia Adisyaningrum Elen Vikelavianis Elen Vikelavianis Ema Krismawar Sari Ema Krismawar Sari Fadila, Natasya Nurul Fajri, Ayu Insa Fatimah Fatimah Fatimah Fatimah Fatimah fatimah Fatimah Fuzianingsih, Eka Novia Hesty Parbuntari ika Rachutami Ika Rachutami Ita Rhosida Ita Rhosida Jalu Prakoso Jalu Prakoso Kartika Arum Wardani Kharisma, Mei Nabila Revina Kholifah, Siti Nurriyatul Kristianto, Sonny Kristina Handayani Kumalasari, Nurul Chamidah Lestari, Nasa Bela Dwi Maida, Margarita Claudya Mashudi Mashudi Maya Diva Maya Diva Siswidiani Muadifah, Afidatul Muadifah, Afidhatul Mutia Hariani Murjanah Mutia Hariani Nurjanah Nasa Bella Ngibad, Khoirul Niken Desi Wulandhari Nurin, Wachidatun Nurjanah, Mutia Hariani Nurul Chamidah Kumalasari Nurul Chamidah Kumalasari Nurul Chamidah Kumalasari Nurul Chamidah Kumalasari Parbuntari, Hesty Parbuntary, Hesty Putri, Amalia Eka Rahmadani, Anindita Mutiara Rahmawati, Ayu Sintya Citra Ramadhani, Melati Apriliana Retnosari, Rini Rian Anggia Wijaya Rury Eryna Putri Safitri, Yunita Diyah Sefrina Sefrina Siti Awwalul Amanatur Rohmah Siti Nurriyatul Kholifah Sri Wahyuningsih SULASTRI Sulastri Sulastri Tilarso, Dara Pranidya Tutik Dwi Wahyuningsih Ulayya, Nida Asma vifta, rissa laila Widayanti, Sindi Dwi Wimbuh Tri Widodo Winnugroho Wiratman, Manfaluthy Hakim, Tiara Aninditha, Aru W. Sudoyo, Joedo Prihartono Wulandhari, Niken Desi Yuliandari, Fadhira Yulindasari, Armita Regina Putri