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Kinetic and Equilibrium Study of Synthetic Dye Adsorption Using Alkali-Activated Scallop Shells as Sustainable Adsorbents Muhammad Naoval Haris; Aditya Dimas Wahyu Sasongko; Farchan Mushaf Al Ramadhani
Advance Sustainable Science Engineering and Technology Vol. 7 No. 2 (2025): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/2nbjnr75

Abstract

Scallop shells are abundant in Indonesia, particularly along the northern coast of Java Island in Pekalongan Regency. These shells serve as natural adsorbents for removing synthetic textile dyes from aqueous solutions due to their high mineral content, especially calcium carbonate. Adsorption experiments were conducted to evaluate the potential of scallop shells as adsorbents for removing vat dye solutions. Adsorption kinetics were analyzed using pseudo-first-order and pseudo-second-order models in both linear and non-linear forms. The results showed that the non-linear pseudo-first-order model best described the adsorption process, with a qe value of 0.98982 mg/g. Equilibrium studies using Langmuir, Freundlich, and Jovanovic isotherm models indicated that the linear Freundlich model provided the best fit, with an R² of 0.99969, suggesting a heterogeneous adsorption process. These findings confirm that scallop shells are effective and eco-friendly adsorbents for textile dye removal and hold promise for sustainable water treatment. Further studies are suggested under real industrial conditions.
Co-Authors Abda Abda Abdul Halim Abdul Jalil Adhifa, Saghira Nurul ADITYA DIMAS WAHYU SASONGKO Agama, Dimas Pandu Setia Ahsarul Mufid Alfarisy, Fariz Kustiawan Ali Mudhor, Muhammad Amalia, Putri Isti Amin, Rohmatul Amri Dhimas Maulana Anisa Lutfiana, Anisa Ankardiansyah Pandu Pradana Arbina Satria Afiatan Ari Handriatni Arifah, Rifqi Tsalis Arwanda, Muhammad Ashari Fahrurrozi Astryani, Nilam Lingga Bakhroini Habriantono Bakhroini Habriantono Basyaib, Fainuzha Farhan Bayu Dwi Arfiyanto Bony Samego Bony Samego Cahyanita, Elvin Cahyoadi Bowo Daru Anggara Murty Diah Madusari, Benny Diana Kartika Sari, Diana Kartika Dimas Ganda Permana Putra Dimas Ganda Permana Putra Dimas Hari Sapto Efrilia, Erin Eka Adi Supriyanto Eka Adi Supriyanto Elvin Cahyanita Fa'ayunina, Miftakhul Fahrurrozi, Ashari Fariz Kustiawan Alfarisy Fariz Kustiawan Alfarisy Fauziah, Fifin Fauziyah, Fifin Fifin Fauziyah Firmansyah, Dwiki Gusna Merina Gusna Merina Gusna Merina, Gusna Habriantono, Bakhroini Hakim, Tiara Oktavia Putri Heri Ariadi Herlin Ika Nafilasari Hoesain, Mohammad Imam Arifin Imam Saefudin Fajar Immanuel Nugroho Jazillah, Syakiroh Khozin, Mohammad Nur Lestari, Resti Putri Linayati M. Dicky Syamsuddin M. Yogi Saputra Widianto Maghfiroh Maghfiroh Maharani, Kayla Mahfur, Mahfur Maulana, Amri Dhimas Maullidin Khoerul Ikhsan Ma’arif, Samsul Mohamad Ramzi Arkanie Mufid, Ahsarul Muhammad Akmal Faza Muhammad Naoval Haris Muhammad Taqwa Mulyanti Shofaro Mustopa, Zaen Ali Nafilasari, Herlin Ika Nisa, Silvianita Khoirun Nugraha, Deril Eka Dava Nuris, M. Adha Nusantara, Alrio Putra Pradana, Candra Dwi Prayoga, Gigi Hadi Puji Nurhayati Putri Isti Amalia Putri Isti Amalia Rachmi Masnilah Rachmi Masnilah Rachmi Masnilah Risqianti, Riza Rizki Lestari Rizki Nur Fadilah Sadewa, Dzulkarnaen Saifuddin Hasjim Sajuri Sajuri Sajuri, Sajuri Salsabila Hanifatul Ariqoh Samsul Ma’arif Sapto, Dimas Hari Silfiyani, Silfiyani Siswoyo Soekarno Slameto Slameto Sri Kaniasmara Suhartiningsih Dwi Nur Cahyanti Suhartiningsih Dwi Nurcahyanti Suhartiningsih Dwi Nurcahyanti Suharto Suharto Suharto Suharto Suharto Suharto Sulistiana, Ana Suryani, Ririn Syakiroh Jazilah Tejasari Tejasari Tri Yusufi Mardiana Ubad Badrudin Vitrinova, Riski Wagiyana Wagiyana Wagiyana Wagiyana Wagiyana Wagiyana, Wagiyana Widadi, Zahir Widianto, Agus Ximenes, Romaldo Da Costa Zahrah, Ninda Alza Nur