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All Journal Ecotrophic, Journal of Environmental Science Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Jurnal Ilmu Lingkungan Jurnal Reka Lingkungan REKAYASA Jurnal Sains & Teknologi Lingkungan Jurnal Tekno Insentif AMALIAH: JURNAL PENGABDIAN KEPADA MASYARAKAT Journal of Information System, Applied, Management, Accounting and Research JPKMI (Jurnal Pengabdian Kepada Masyarakat Indonesia) Jurnal Pengabdian kepada Masyarakat Nusantara Pelita Teknologi : Jurnal Ilmiah Informatika, Arsitektur dan Lingkungan Jurnal Ilmiah SIGMA: Informatics Engineering Journal of UPB Jurnal Pengabdian Masyarakat Akademisi Journal of Practical Computer Science (JPCS) Jurnal Informatika Teknologi dan Sains (Jinteks) JURNAL POLI-TEKNOLOGI Jurnal Pengabdian Pelitabangsa Jurnal Nusantara Mengabdi Jurnal Lentera Pengabdian Proceeding International Pelita Bangsa VIDHEAS: Jurnal Nasional Abdimas Multidisiplin JMMR (Jurnal Medicoeticolegal dan Manajemen Rumah Sakit) Jurnal Pelita Pengabdian Jurnal Pengabdian Masyarakat (Jupemas) SAINTEK JPMAS : Jurnal Pengabdian Masyarakat
Nurhidayanti, Nisa
Program Studi Teknik Lingkungan, Universitas Pelita Bangsa, Bekasi
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Journal : REKAYASA

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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 Agus Jatnika Effendi Agus Riyadi Agus Riyadi Akhmad Khawari Amali, Amali Ana Fitrotun Nisa Andini Putri Riandani Angga Bahrul Fahmi Arum Tarina Asep Muhidin Aswan S Sunge Ayu Wahyuningtyas Budiarto, Eko Cici Arinih Dadang Heri Kusumah Daspar Daspar Dema Puji Lazuardini Deni Rusli Dewi, Rahma Dhonny Suwazan Dhonny Suwazan Dhonny Suwazan Dhora Jati, Erwika Dodit Ardiatma Dyah Wulandari Putri Edi Widodo Efendi L, Rudi Endah Yaodah Kodratillah Erina Rulianti Febrinasari, Tantry Halomoan, Nico Harry Fadillah Pratama Helbi Nurul Huda Hendrian Nunggu Huda, Miftakul Ika Juhriati Ikhsan Romli Indah Yulian Kusuma Wardani Inna Nisawati Mardiani Ismi Trialfhianty, Tyas Isyulianto Isyulianto Jamaludin Tasdik Jati, Erwika Dhora Jayawarsa, A.A. Ketut Lina Yulita Mamad Nurahmad Martin Dharma Setiawan Maulana, Donny Meika Hikmatriana Miftakul Huda Mindriany Syafila Nadia Fitra Firnadi Nadya Ulfani Sara Nani Hartati Nasution Nasution Neny Mulyani Nida An Khofiyah Nisawati, Inna Novi Justika Harini Nur Ilman Ilyas Nur'aeni, Nur'aeni Nurpribadi, Giri Puspita Sari, Intan Putra, Maha Putri Anggun Sari Putri Riandani, Andini Ramadhani RDS, Yunita Retno Fitri Astuti Riandani, Andini Putri Rustianah, Rustianah Sandy Nugraha Sari, Putri Anggun Serta Manullang Setiawan , Martin Darma Simbar Fatih Buari Siti Rahayu Sofianti Sofianti Suherman Suherman Supriyanto Supriyanto Supriyanto Supriyanto Supriyati . Suri, Anita Tan, Emmelia Tata Tarnita TITIN SUNARYATI Tri Ngudi Wiyatno Widya, Adi Rusdi Winda Yulianti Wiyanto Wiyanto Yuli Winarto Yuni Hertati