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All Journal E-Dimas: Jurnal Pengabdian kepada Masyarakat JPSE (Journal of Physical Science and Engineering)
Paramita, Fika
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Astronomy Electrical & Electronics Engineering Materials Science & Nanotechnology Physics Social Sciences

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Adsorption of Phosphate in Synthetic Laundry Wastewater using Empty Palm Oil Fruit Bunch Ariani, Ismi Khairunnissa; Anifah, Eka Masrifatus; Hudayarizka, Riza; Paramita, Fika
JPSE (Journal of Physical Science and Engineering) Vol 9, No 1 (2024): JPSE (Journal of Physical Science and Engineering)
Publisher : Universitas Negeri Malang

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Abstract

The laundry wastewater contains phosphates that can lead to eutrophication. Treatment of laundry wastewater with phosphate concentration can be done physically or chemically. The adsorption method was selected due to its high efficacy, and economical operation. Activated carbon derived from Empty Palm Oil Fruit Bunch (EPOFB) biomass waste was utilized as the adsorbent, leveraging its lignocellulosic components such as cellulose, hemicellulose, and lignin, that can adsorb pollutants. This study aims to assess the impact of adsorbent dosage and contact time on the adsorption capacity and phosphate removal efficiency. The activated carbon was produced from EPOFB via carbonization and activation processes at 400°C and KOH 6M. The variables including adsorbent dosage and contact time, ranging from 0.2 to 1.0 g/100mL and 20 to 100 minutes, respectively. Results indicate that the adsorbent dosage affects phosphate removal from synthetic laundry wastewater, while contact time does not significantly impact removal efficiency. The highest removal efficiencies of 67.37% and 70.03% were achieved at optimal doses of 8 g/L and 10 g/L, respectively, with contact times of 20 and 80 minutes. The isotherm model and kinetics of phosphate adsorption onto synthetic laundry wastewater using EPOFB adsorbent were identified as Freundlich and pseudo-second order, respectively.
Transformasi Limbah Sabut Kelapa Menjadi Cocopeat: Solusi Ekonomi Kreatif bagi Warga Pantai Lamaru Balikpapan Tajalla, Gusti Umindya Nur; Lubis, Muthia Putri Darsini; Amalia, Lia; Laksono, Andromeda Dwi; Sulaksono, Rachmad Prabowo; Dharmayanti, Amilita Medisa Rizky; Akbar, Aulia Arif; Anggeswari, Inggrid Dya; Destiny, Keysi Devain; Sofwan, Muhammad; Budiarti, Dini Tri; Anggraini, Elistria; Paramita, Fika
E-Dimas: Jurnal Pengabdian kepada Masyarakat Vol 16, No 2 (2025): E-DIMAS
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/e-dimas.v16i2.20390

Abstract

Pandemi COVID-19 telah memberikan dampak signifikan terhadap sektor pariwisata, termasuk masyarakat pesisir Lamaru yang menggantungkan hidupnya pada aktivitas wisata. Sebagai upaya pemulihan ekonomi dan pemberdayaan masyarakat, kegiatan ini berfokus pada pemanfaatan potensi lokal, yakni sabut kelapa, menjadi produk yang memiliki nilai tambah. Melalui kegiatan pengabdian masyarakat, penulis melakukan sosialisasi dan pelatihan kepada masyarakat RT 19 Kelurahan Lamaru Kota Balikpapan mengenai pembuatan cocopeat dari limbah sabut kelapa. Tujuannya adalah untuk meningkatkan keterampilan masyarakat, menciptakan peluang usaha baru, serta mengurangi limbah organik. Kegiatan ini dilatarbelakangi oleh meningkatnya minat masyarakat terhadap berkebun di masa pandemi. Hasil yang diharapkan dari kegiatan ini adalah meningkatnya kemampuan masyarakat dalam memproduksi cocopeat berkualitas, serta terbentuknya kelompok usaha kecil menengah yang mampu memasarkan produknya. Selain itu, kegiatan ini juga diharapkan dapat meningkatkan kesadaran masyarakat akan pentingnya pengelolaan limbah organik dan pemanfaatan sumber daya lokal. Berdasarkan rekapitulasi hasil kuesioner pemahaman materi dan kuesioner kepuasan, didapatkan data bahwa tingkat pemahaman peserta di atas 70% dimana sebagian besar antusias pada materi yang disampaikan.
Co-Authors Akbar, Aulia Arif Anggeswari, Inggrid Dya Anggraini, Elistria Anifah, Eka Masrifatus Ariani, Ismi Khairunnissa Budiarti, Dini Tri Destiny, Keysi Devain Dharmayanti, Amilita Medisa Rizky Laksono, Andromeda Dwi LIA AMALIA Muhammad Sofwan Muthia Putri Darsini Lubis Riza Hudayarizka Sulaksono, Rachmad Prabowo Tajalla, Gusti Umindya Nur