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Journal : Eksergi: Chemical Engineering Journal

Optimization of Rotation Speed, Disc Diameter, and Lighting Time in Batik Waste Treatment Using Rotary Algae Biofilm Reactor (RABR) with Ulva sp. Raharjo, Sonya Hakim; Palupi, Bekti; Syaifullah, Rangga Yudha; Yohanes; Sekaringgalih, Ratri; Hidayati, Nurul
Eksergi Vol 22 No 3 (2025)
Publisher : Prodi Teknik Kimia UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/eksergi.v22i3.15084

Abstract

Batik is one of the cultural heritages in Indonesia that must be maintained and preserved. The batik industry process itself produces liquid waste that comes from the coloring processing, washing, wax removing, also rinsing. Batik waste, if not treated properly, can harm the environment. Various studies have shown that effluent treatment using the Rotary Algae Biofilm Reactor (RABR) method is promising. This research focuses on improving the RABR design and optimal conditions for treating batik wastewater, as well as utilizing the synergy between batik production and Ulva sp. The variables used in this research are the rotation speed of 20, 30, and 40 rpm, the lightning time for 0, 6, and 12 hours, and the disk diameter size of 9, 11, and 13 cm. The parameters that analyzed are BOD, COD, and pH levels. Waste treatment optimization in this research uses the RSM with a combination of Design Expert 13 software. Based on the results, the most optimal batik wastewater treatment variable is when the disk diameter is 10.306 mm, the rotation speed is 20 rpm, and the lightning time is 7.805 hours, yielding response values of 55.673 mg/L for BOD, 25.538 mg/L for COD, and 10.406 for pH.
Co-Authors Abdul Malik Karim Amrullah Adelina, Saltsabita Nourin Adrian, Febri Adriansyah, Muhamad Afred, Merymistika Yufrani Afwal, Diza Raudhatul Agus Wedi Pratama Aina Christalia Rinastiti Akbar, Muhammad Faqihuddin Akhsan, Maulana Yudha Al Fajri, Maktum Muharja Alifia Rahma Putri Neysella Amalia Ramadhan Amartya, Audi Nur Andikasari, Emi Anggraeni, Sella Violina Anggraini, Ranita Anggi Annisa, Yasmin ansori ansori Ardianti , Nanda Melani Ari Susanti Ari Susanti Ari Susanti Ariel Seanhan Haezer Asshofy , Muhammad Agil Atiqa Rahmawati Atiqa Rahmawati Atiqa Rahmawati AYU WULANDARI Aziz, Mohamad Naufal Nizaar Azizi, Daffa Hafiziaulhaq Badril Azhar Badril Azhar Bestari, Cherobina Bida Ayu Bima Suci, Syeikh Maulana Bimo Bayu Aji Boy Arief Fachri Boy Fachri Darojat, Zakiah Devara, Arighy Zahirah Faiqy Diah Tri Wulandari Diana Madhuri Dianavita Fatimah Dianita Ivana Permata Dihayat, Icha Shofia Dini Rahmawaty Ditta Kharisma Yolanda Ditta Kharisma Yolanda Putri Elisah, Nor Fachri, Boy Fakhri Arkaan Humaidi Fandora, Ardan Jauza Farwah, Zilma Aliyah Fatimah, Dianavita Felix Arie Setiawan Firdausi, Adnan Maulana Firmansyah, Alex Firmansyah, Arfian Alwi Firmansyah, Muhammad Sahrul Firsta Retnaningtyas Udroto Gregah Pangayoman Hartanto P Gregah Pangayoman Hartono Putro Habibatul Inayah Harti Arini Hakiki, Rizki Maulana Hanafi, Yogie Alfian Helda Wika Amini Helda Wika Amini Heni Pujiastuti Herdianto, Dimas Nur Hidayat, Debby Aurellia Humaidi, Fakhri Arkaan Indrayani, Lilin Intan Permatasari Istiqomah Rahmawati Istiqomah Rahmawati Kenji Sakai Kenji Sanomoto Khoirunnissa , Aulia Kurniawan, Muhammad Rizky Lailatul Krisna Abdullah Lestari, Afrila Tutut Dwijati Lukman Nulhakim Lumbantoruan, Sri Lestari Maharani, Regita Gustiayu Pramisti Mahfud Mahfud Mahfud Mahfud Maktum Muharja Maulida Septiyana Megasari, Tri Elok Setya Meta Fitri Rizkiana Mizanurafi’ Ghifarhadi Prasiefa Mochamad Ghaza Al Ghifari Mohammad Nor Muhammad Ilham Muhammad Reza Muhammad Reza Muhammad Rizky Kurniawan Muharja, Maktum Nadia Ayumna Fa’iqoh Naily Fatimatuz Zaroh Nanda Ayudiyah Andriani Nida Ayu Salsabila Nikita Meidi Nova Chintya Kurniawati Nova Chintya Kurniawati Nugraha, Briantara Agung Nugroho, Yeremia Prasetya Nur Karima Nur Karima Nurani, Yukti Nurjannah, Lailia Nurtsulutsiyah Nurtsulutsiyah Nurtsulutsiyah, Nurtsulutsiyah Nurul Hidayati Pradipta, Shima Nuril Pramudiska, Riavinola Viyoni Pratiwi, Widya Septaningtyas Pravitasiwi, Nanda Tricya Julia Prayuga, Devi Purimahua, Amanda Augre Maharani Putri, Salsabila Ananda Rachman, Darryl Akeyla Rafif, M. Attar Raharjo, Nadhya Cahya Dwy Rahman, Agus Ramadana, Ifan Ratnasonia, Samantha Githa Ratri Sekaringgalih Regita Gustiayu Pramisti Maharani Rekfa Wika Amini Relyando, Syahfa Adinda Reswara Musyafa Richa Febyola Surya Putri Rizalluddin, Muhammad Rizki Fitria Darmayanti Rizki Fitria Darmayanti Rossi Agnessi Pebriana Sakai, Kenji Salma, Isni Salma Salsabillah Salsabila , Nida Ayu Sanomoto, Kenji Saputri, Ocha Sa’roni, Achmad Septianti, Kiki Setiawan, Arinda Sabrina Shabrina, Nadhilah Shofiah , Laila Nur Sholeha, Irdatus Sonya Hakim Raharjo Subekhi, Jovenlee Gibran Susanti, Eka Puji Susilowati Susilowati Syaifullah, Rangga Yudha Tarigan, Eigiya Nina Tashiro, Yukihiro Tri Elok Setya Megasari Udroto, Firsta Retnaningtyas Ulfiani, Khoirun Nisya' Uzinuzulla, Yunita Virda Wardani, Salza Belila Kusuma Wardhani, Maharani Tri Wibowo, Jihan Nafila Widarti, Rr Diva Naila Putri Wiwik Pratiwi Yahya, Ahmad Daily Yohanes Yohanes Yohanes Yolanda Putri, Ditta Kharisma Yolanda, Ditta Kharisma Yukihiro Tashiro Yukti Nurani Yukti Nurani Zuhriah Mumtazah