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Muammar Khadafi
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Journal : Jurnal Teknologi

 1 
Karakterisasi Biosorben Magnetik Ampas Kopi untuk Penyisihan Ion Timbal (Pb) Irza, Tsaqif Aufa; Khadafi, Muammar; Suhendrayatna, Suhendrayatna; Syaubari, Syaubari
Jurnal Teknologi Vol 24, No 1 (2024): April 2024
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/teknologi.v24i1.5083

Abstract

Industrial waste often contains heavy metals which are dangerous for human health and the environment, so effective and environmentally friendly waste processing is very necessary. This research aims to optimize the use of synthetic magnetic bioadsorbent from coffee grounds to remove the heavy metal lead (Pb) from industrial waste. Magnetic bioadsorbent was synthesized from coffee grounds by carbonizing the coffee grounds at a temperature of 600℃ for 3 hours and activated using 100 mL of 1 M HCl. The adsorption time and adsorbate concentration were tested at values of 30, 60, and 90, as well as 0.661, 1.494, 2.29, and 3 (mg/L) adsorbate, and adsorption temperatures of 30 ℃, 40 ℃, and 50 ℃. Meanwhile, carbonization temperature, coffee grounds weight, and activator concentration were used as fixed variables. In this research, the independent variables are adsorption time, adsorbate concentration, and adsorption temperature. while the fixed variables are carbonization temperature, coffee grounds weight, and activator concentration. The results of this research show that it was successful in linking the magnetite compound to the adsorbent and it can be seen from the results of FTIR analysis that there are FeO groups at a wave of 560 cm-1 and in the XRD characterization test, Fe groups are found at a wave of 35o, and based on the characterization using SEM there is a change in area surface before and after synthesis due to the presence of magnetite particles that stick to the surface, causing the pores to become smaller.
Co-Authors Adriansyah Harun Agustia, Nanda Rahayu Ahmad Fajar Mahendra Aprillia, Meisya Ariandi, Muhamad Azhar Maksum Azwandi Bahri, Saiful Baiq Susdiana Fibrianti Bastari Bastari Bastari Bastari, Bastari Bintang Awal Ramadhan  Burhanuddin Burhanuddin Chablullah Wibisono Damanhu, Damanhur Damsar Damsar Damsar Dara, Cut Dian Islami Dina Madinah Dwi Martani ELIZA RUWAIDAH, ELIZA Euis Kurniasih Fadly, Imam Fariani, Nana Fatin Nabila Fera Fera Fibrianti, Baiq Susdiana Gazali Syamni Hartawan, Teddy Hayati, Ela Helinda, Ayu Hendra Harmain husnaini, husnaini Huswin, Muhammad Daffa Akbar Intan Maulina Irza, Tsaqif Aufa Istiawan, Heru Iswarijaya Jasman Jullimursyida Kafrawi Kafrawi Lia Anggresani Lilis Maryasih, Lilis M.Lathief Nasution Maghfirah Maghfirah Meisy Pujianti Ningrum Mirsal, Ilham Mi’rojussibiyan, Mi’rojussibiyan Muhamad Firzan Akbar Muhammad Farhan Nugraha Muhammad Ulul Azmi Muhammad Yasir muhammad, iqbal fadli Mujiburrahman Mukmin Sabila Sagala Munasarah Munasarah Murdifin Azhar Mutia Arami Nadiatul Fitri Najiatul Husna Nasution, Abdurrahim Novita Nasution Nugraha, Boby Rizky Nur Ivani Firmanda Nurhandika Sepvia Putri Nurhasanah Nurlaila Nurul Fazila Nurul Safitri Ongky Parmadhie Putra Pusaka, Semerdanta Rahayu, Erna Wijayanti Rahman, Ana Septia Raihan Rizq Hamdi Lubis Raihan, Cut Rangkuti, Charles Reinald stevianes. L Reza Setiansa Rezeki, Gebrina Rikeniateni Rikeniateni Riska Riska Rochman Rayhan Rubiyati, Esti safullah Said Jalalul Akbar, Said Jalalul Saidatun Nuri Santi Sihombing Sa’diah El Adawiyah Sharifah Norhaliza Shela Amelia Akhap Silvia Amanda Siti Nurhalizah Lubis Sittong Panjaitan Soelistyo, Poernomo Agung Sopian Halal Hamidi Suci Ikramina Suhendrayatna Suhendrayatna Sulikah Sulikah Susan Ary Ayu Anjani Susdiana Fibrianti Sutrisno , Deny Syamsul Rizal Syarif Ahmad Syaubari Syaubari T. Aris Nouval Tasya Afani Tria Patrianti Uci Liharyanti Wahyuddin Wahyuddin Albra Wan Iwan Darmawan wardana, Prasetya Wesli Wesli Yanti, Mirna Yayan Sudrajat Yusnidar Yusnidar Yusuf, Nazaruddin Zuhar Musliyana, Zuhar Zulhamdi, Zulhamdi