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All Journal Eksergi: Chemical Engineering Journal Dedikasi: Jurnal Pengabdian kepada Masyarakat
Syaifullah, Rangga Yudha
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Humanities Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Education Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Social Sciences Other

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Pemanfaatan Limbah Kulit Kopi Menjadi Biobriket Dengan Inovasi Pembuatan Alat Pembakaran Dan Pencetakan Biobriket Di Desa Tanah Wulan, Maesan Bondowoso Syaifullah, Rangga Yudha; Irawan, Dwi Agustin; Rahmatullah, Moh. Fajar; Adiana, Bernanda Delta; Soleh, Achmad Rodi; Azizi, Hosshofil Azhar; Andini, Angger; Siregar, Monika Jelita; Firmansyah, Muhammad Alfian; Widjatma, Ridho Rahadina; Putri, Ditta Kharisma Yolanda; Mumtazah, Zuhriah
Dedikasi:Jurnal Pengabdian kepada Masyarakat Vol. 4 No. 1 (2023): Jurnal Dedikasi
Publisher : Universitas Jayabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31479/dedikasi.v4i1.287

Abstract

Ketersediaan energi merupakan hal krusial dalam memenuhi kebutuhan masyarakat Indonesia yang terus bertambah. Ketergantungan pada sumber energi tak terbarukan, terutama energi fosil, menimbulkan kekhawatiran karena keterbatasan dan dampak lingkungan yang signifikan, meskipun diikuti oleh peningkatan ketersediaan energi. Salah satu potensi alternatif adalah pemanfaatan biomassa, khususnya limbah kulit kopi, untuk dijadikan biobriket. Pengabdian terserbut bertujuan untuk mengembangkan alat produksi briket yang efisien dan melibatkan masyarakat dalam proses produksi. Melalui sosialisasi dan pelatihan, Pengabdian tersebut memberdayakan masyarakat Desa Tanah Wulan, Kecamatan Maesan, Kabupaten Bondowoso, untuk mengolah limbah kulit kopi menjadi bahan bakar alternatif yang ramah lingkungan dan ekonomis. Hasilnya menunjukkan bahwa inovasi tersebut memiliki potensi besar untuk meningkatkan kesejahteraan ekonomi lokal sambil mengurangi dampak lingkungan negatif dari limbah kulit kopi.
Penggunaan Trash Can-Composter (TCC) Untuk Pengolahan Sampah Organik Dan Penghasil Kompos Bagi Warga Desa Tanah Wulan, Bondowoso Wika Amini, Helda; Syarifah, Ratna Dewi; Maulina, Wenny; Shofa, Ghaitsa Zhahira; Sholihah, Athaya Farras; Prasetyani, Tiana Febrianti Eka; Ma'rifah, Binti Ni'matul; Setiawan, Dimas Arif; Syaifullah, Rangga Yudha
Dedikasi:Jurnal Pengabdian kepada Masyarakat Vol. 4 No. 2 (2024): Jurnal Dedikasi
Publisher : Universitas Jayabaya

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Abstract

Have been done for assistance in waste processing using a trash can-composter (TCC) machine and making compost provided to the residents of Tanah Wulan Village, Maesan District, Bondowoso. This service activity is carried out with the aim of providing education to the community regarding good waste management and recycling waste to be used as a compost planting medium. Through this service activity, the person running this program, called kader ibu-ibu rumah tangga (IRT), was formed in Tanah Wulan Village, chaired by Ibu Asnawati as the leader of the Waste Management. Waste from household waste and harvest residues, such as vegetable waste, straw and rice husks, is chopped using a TCC machine. The chopped results are mixed with cow dung, sawdust and EM4 starter to get useful compost. The content of the compost produced is tested and ready to be applied to plants.Keywords: Trash can-composter, organic waste, compost
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, Fakultas Teknik Industri, 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 Adiana, Bernanda Delta Andini, Angger Azizi, Hosshofil Azhar Bekti Palupi Ditta Kharisma Yolanda Putri Firmansyah, Muhammad Alfian Irawan, Dwi Agustin Ma'rifah, Binti Ni'matul Nurul Hidayati Prasetyani, Tiana Febrianti Eka Rahmatullah, Moh. Fajar Ratri Sekaringgalih Setiawan, Dimas Arif Shofa, Ghaitsa Zhahira Sholihah, Athaya Farras Siregar, Monika Jelita Soleh, Achmad Rodi Sonya Hakim Raharjo Syarifah, Ratna Dewi Wenny Maulina, Wenny Widjatma, Ridho Rahadina Wika Amini, Helda Yohanes Zuhriah Mumtazah