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Kinetics of Ammonia Biodegradation Using EM4 with Palm Sugar as an External Carbon Source Puteri, Denanda Clarasati; Arvianto, Rizky Ibnufaatih; Suhirman, Suhirman; Ardian, Adna Ivan; Putra, Muhamad Iqbal; Luthfi, Muhammad Zulfikar; Wiratama, Ihsan; Jerry, Jerry; Nury, Dennis Farina
Jurnal Beta Kimia Vol 6 No 1 (2026): Volume 6 Issue 1, May 2026
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/jbk.v6i1.27517

Abstract

Biological treatment of ammonia requires sufficient carbon availability to maintain stable microbial activity and sustain optimal degradation rates. This study evaluates the kinetics of ammonia biodegradation using an EM4 microbial consortium supplemented with palm sugar as an external carbon source in aerobic batch reactors. Initial ammonia concentrations of 10, 30, and 50 ppm were evaluated over six days of operation. Monitored parameters included ammonia concentration, pH, and biomass (MLSS), while kinetic evaluation applied a pseudo–first‑order model via the ln(St/S0)–time relationship. The results showed removal efficiencies of 79.0–83.4%, accompanied by MLSS increases from ~2,000 to ~4,600 mg/L with higher initial concentrations. The pH range of 5.8–8.5 remained conducive to microbial activity. The ln(St/S0) curves exhibited strong linearity, confirming the suitability of the pseudo–first‑order model, and the reaction rate constants increased under higher substrate and biomass conditions. These findings indicate that palm sugar is effective as an external carbon source for sustaining process stability and accelerating ammonia removal. The integration of EM4 with a natural carbon source demonstrates potential as an efficient, economical, and readily implementable biological approach for ammonia treatment in wastewater.
Co-Authors Abdul Aziz Abdul Fatah Abdul Fattah Agus Muliadi Albetrik Meizontara Alhafizin, M. alimni, alimni Alkusaeri Alkusaeri, Alkusaeri Amelia Ismi, Penti Andjanie, Isabella Fitria Annisa Lazuardina Annisa, Annisa Tusadia Apriliansyah, Apriliansyah Ardian, Adna Ivan Arsonariya, Arsonariya Artiningsih, Typuk Arvianto, Rizky Ibnufaatih Asli, Nihi Asmawati, Ainun Aswasulasikin Auliya, Anisa Ayu Anggita, Esi Azis, Ahmad Bahrudin Bahtiar Bahtiar Bintang, Andi muhammad Daheri, Mirzon Dahlia Hidayati, Dahlia Daniswara, Nirwasita Dea Yusuf Yudanto, Dea Yusuf Dennis Farina Nury Desi Ratnasari Dessan Putra, Kristianto Pratama Desy, Desy Eka Citra Dewi Dewi Septia, Rafika Dewi, Desy Eka Citra Dian Yulie Reindrawati Dina Apriana Drezewski, Rafał Eka Citra Dewi, Desy Eka Citra, Desy Faeruz, Ratna Falah, Eko Fajrul Fathurrahman Muhtar Fauzi, Isman Fitiriani, Rohyana Gita Mentari Hafith, Abdul Hariadi Hariadi Hayati Umajan, Lulu Hanifa Hemlan Elhany Herwint Simbolon, Herwint Hery Widijanto Hidayani, Masrifa Hidayat, Ahmad Tri Husnul Mukti Ibrahim, Doni Septu Marsa Ihwan Ghazali Ikbal, Moch. Iqbal Syaichurrozi Ismail Ismail Jerry, Jerry Jonivan, Yoven Kasmantoni, Kasmantoni Kencana Putra, Ahmad Agung krisnajaya, Bogi Kurniasih Nur Afifah Kusuma, M. Apriandi Latipah, Nurlia Lubis, Bachtra Dona Lugi, Fitriana M. Yamin Mahdalena, Siti Mardian, Della Martiana, Istikazah Mashilal, Mashilal Maulidian, Muslihatul Mindani Mindani Mita Napitasari, Mita Mitsuru Osaki Muhammad Hafizin Muhammad Husni Muhammad Iqbal Muhammad Zulfikar Luthfi Muslimin Muslimin Nainggolan, Denny Hendrik Najamuddin Najamuddin, Najamuddin Nararya Budiyono Ningsih, Sapitria Nirmalasari, Emalia Nopitasari, Mona Novianto, Enggar Novriyana, Yola Nur Wening, Nur Nurhasanah Nurhasanah Nurlaili Nurlaili Nurlali, Nurlali Oetalu, Reki Pradana, Arfando Yudha Prasetyo, Damar Prayogi, Saiful Pujiani, Sri Purwanto Purwanto Pusvita Dewi, Yenni Puteri, Denanda Clarasati Putra, Muhamad Iqbal Putra, Muhammad Iqbal R. Rusli Rahayu, Vina Putri Rahmat, Azwar Ramdhani, Sandy Ramdhani, Zuhut Ravelino, Muhammad Iqbal Rayyan, Fathan Awwalur Refriana, Isna Regina Ananda Rini Fitria, Rini Riska Damayanti, Riska Rizki Febriansyah Rohmi, Rohmi Rohyana Fitriani Ruhana, Siti Rusdianto Rusdianto, Rusdianto Saepudin Saepudin Sahala, Fika Sahetapy, Revy Ravly Sabbathino Saifuddin Fahri Saifullah, Shoffan Santoso, Achmad Erwin Saputra, Marwan Adi Sari, Niken Purnama Satria, Irwan Satrianto, Muhammad Ditya Sela Kong Setiawan, Alfon Sholehah, Inayatu Sirajuddin Sirajuddin Sisilia, Debbi Slamet Untung Sri Sofiati Umami, Sri Sofiati Sukmawati, Ade Irma Sukran, Sukran Suparji, Muhamad Supratman Supratman, Supratman Suradi, Ahmad Surahman, Iman Suranda, Novalyo Suryansah Sutopo, Joko Toni, Afri Andrean Topik Hidayat Toron, Yustinus S. Toyibi, Dzurriyun Tri Agustina, Tri Tri Widodo Viana Novia Wahyudin Wahyudin Walid, Ahmad Widodo, Rakhmat Sigit Wijaya, Panji Windi Maharani Wiratama, Ihsan Yonani, Sarmi Yoo, Ri Yudhi Setiawan Yul Alfian Hadi . Zuhut Ramdani