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Journal : REKAYASA

Adsorption, Kinetic and Thermodynamic Studies for the Adsorption of Cadmium onto Combination of Chitosan and Coffee Ground Activated Carbon Nurhidayanti, Nisa; Riyadi, Agus
Rekayasa Vol 17, No 1: April, 2024
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/rekayasa.v17i1.20364

Abstract

The presence of cadmium in water due to its natural mobility can cause the nature of the water to become toxic and threaten the surrounding ecosystem when it accumulates in the food chain. The aim of this study was to investigate the maximum adsorption capacity using an isothermal model, to determine the rate of adsorption kinetics using chitosan and coffee powder adsorbents in reducing cadmium concentrations in industrial wastewater, and to investigate its thermodynamic magnitude. The research method was applied with laboratory experiments followed by quantitative data analysis to determine the isothermal model and adsorption kinetics. The results showed that the adsorption isotherm follows the Langmuir isotherm model with a correlation coefficient of 0.9970 and a maximum adsorption capacity of 0.7546 mg.g-1, which indicates that the chemical adsorption occurs in a monolayer, where the  adsorption sites are homogeneously distributed with the adsorption energy. Permanent and negligible interactions between cadmium molecules (adsorbate) and adsorbent. Thus the pseudo second order kinetic model is a better way to explain the reaction rate for cadmium in combination chitosan and coffee ground activated carbon. Negative ΔGo values indicate that the adsorption reaction takes place spontaneously, ΔHo of 0.3467 indicates an endothermic reaction, and ΔSo of 3.5296 indicates an increase in the randomness of the adsorption process at the adsorbent interface and cadmium during adsorption.
Co-Authors Abdul Karim Abdul Rozak Achmad Tubagus Surur adawiyah Adawiyah, Rabiya Tul Adelina Hasyim Adeni, Adeni Adi Slamet Kusumawardana Adissa, Kurnia Nur Aeni, Melinda Sandra Afiani, Kiki Dhea Ahmad Anas Ahmad Faqih Alamsyah, Sirhan Ali Murtadho Ali, Mukti Alif, Aslikhatul Ummah Sofi Amalia, Nadwa Mutiara Ananta, Sabri Andri Firmansyah ANDRIANI, KIKI Anggun Sari, Putri Apriliani, Alma Aroyandini, Elvara Norma Artamevia, Neng Syifa Aryapranata, Aryawan Asaniah, Alwah Aulia, Sulthon Awaludin Pimay Azhari, Faiz Barokah, Sulih Nur Bimantara, Adrian Budiman, Surya Fajar Candra, Firman Adi Dedy Susanto Devita Gantina Eko Purwanto Elma Fitriani, Nanda Evita, Chandra Fachrur Rozi Fajri Fajri Fajriani, Sania Dina Fatimah, Titim Siti Haeruddin Hamsa Haryono, Joko Hasanuddin, H. Muh. Iqbal Hashim, Mohmadisa Hatta Abdul Malik, Hatta Hendri Hermawan Adinugraha Hikmah, Nadia Nur Hutagalung, Husen Ilma’nun, M. Lulu Ilyas Supena Imam Anas Hadi, Imam Anas Irfal, Irfal Isnani Jauza', Nur Faridatul Juhadi Juhadi Kamelia Cindy Astuti Karim, Abdul Karmiati, Karmiati Karmiati, Karmiati Kasmuri Kasmuri Kasmuri Kasmuri, Kasmuri Khair, Fatimah Arifatul Khasanah, Hidayatul Labib, Refa Mughni Leengaedayee, Paisul Lijea, Isma. Ae. Lukmanul Hakim Lutfiyanah, Lutfiyanah Mahat, Hanifah Malik Ibrahim Masruroh, Emas Matori, Matori Maulidah, Sopi Napilah Mawarni, Aprilia Tri Mochammad Imron Awalludin Mudhofi, M. Mudhofi, Mudhofi Muhamad Ridwan Muhammad Syaifudin Muhammad Syarifuddin Munadi Munadi Mursyid, Achmad Yafik Mustafirin Mustafirin, Mustafirin Mustolehudin Mustolehudin Musyafak, Najahan Najwa Zain, Aulia Neng Fitria Nida, Nushrotun Nilam Sari, Dewi Nugraha, Rahmat Mulya Nugroho, Endarto Adi NUR HAMID Nurhidayanti, Nisa Nurmalinda, Elda Nurohman, Nurohman Octarina, Dian Oktavia, Riska Pangkerego, Eduard R Parida, Hasna Pradhipta, RMW Agie Puadah, Sri Samrotul Purwo susongko Pusparani, Pusparani Putra, Muhammad Rinaldy Putri, Fitri Ariana Putri, Nanda Kartika Rachman, Arief Faizal Rahayu, Nurti Rahmani, Tafida Kayla Respati, Iklima Nur Rianto Rianto Rina Susanti Riska Amelia Rizqi , Anggi Maulana Rizqi, Anggi Maulana Robiatul Adawiyah Rohmah, Umi Amanatur Rusmadi Rusmadi Saerozi Saerozi, Saerozi Sahib, Muzdalipah Samsul Bahri Santoso, Muh. Arbai Saputri, Jihan Irwana Sari, Nur Nilam Sari, Putri Anggun Shulthoni , Muhamad Sobaruddin, Miftah solihat, siti Sugiarso, Sugiarso Sugirin Sugirin Sulistiawati Sulistiawati Sulistio Sulistio Sulton Djasmi Suprihatiningsih, Suprihatiningsih Tri Djoko Sulistiyo, Tri Djoko Verdino, Fadhel Wahyuni, Andi Indri Wigati, Yunika Indah Winastu, Hadna Trie Wisnu Wardani, Dewi Ayu Wulandari, Ayu Niken Yudan Hermawan Yuli Nurkhasanah, Yuli Yuliani, Trika Yulianti Yulianti Yusup Iswanto, Ahmad Zamroni, Hakim Zulfikar Ganna Priyangga