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All Journal Jurnal Abdi Insani Reswara: Jurnal Pengabdian Kepada Masyarakat Hydrogen: Jurnal Kependidikan Kimia
Teguh Pambudi, Teguh
Universitas Sebelas Maret
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OPTIMALISASI PEMANFAATAN LIMBAH SEKAM PADI SEBAGAI BAHAN BRIKET MELALUI KEGIATAN WORKSHOP DAN ANALISIS NILAI EKONOMINYA Wilda, Saniatun; Umam, Hilman Imadul; Pambudi, Teguh
Reswara: Jurnal Pengabdian Kepada Masyarakat Vol 5, No 1 (2024)
Publisher : Universitas Dharmawangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46576/rjpkm.v5i1.4001

Abstract

Tingkat penggunaan bahan bakar fosil yang tinggi memiliki dampak yang sangat berbahaya terhadap bumi. Oleh karena itu, penting untuk mengeksplorasi serta mengadopsi sumber energi alternatif. Biomassa dianggap sebagai sumber bahan bakar yang menjanjikan karena ketersediaannya yang melimpah di alam. Desa Telukambulu yang memiliki luas lahan sawah 84% dari total luas wilayahnya sehingga tidak hanya menghasilkan produk hasil pertanian yang bisa diperjualbelikan, tetapi juga menghasilkan limbah pertanian yang cukup besar khususnya limbah sekam padi. Oleh karena itu, penting untuk dilakukan pelatihan dalam memanfaatkan limbah sekam padi menjadi bahan bakar alternatif berupa briket. Kegiatan dirancang melalui dua sesi pelatihan, yakni pelatihan terstruktur dan pelatihan partisipatif. Pelatihan terstruktur mencakup sosialisasi mengenai briket dan pemaparan materi mengenai analisis ekonomi produk briket dengan metode ceramah, sementara pelatihan partisipatif melibatkan demonstrasi langsung pembuatan briket. Hasil kegiatan pelatihan kemudian dievaluasi, hasilnya lebih dari 80% peserta sangat setuju bahwa pelatihan yang dilakukan memberi pengetahuan, memberi gambaran teknis pembuatan briket dari limbah sekam padi, serta memberikan pengetahuan terkait analisis nilai ekonomi dari produk briket ketika dikomersilkan. Selain itu, sekitar 75% peserta terdorong untuk melakukan pengolahan limbah sekam padi menjadi briket untuk dikomersilkan. Sehingga perlu ada upaya tindak lanjut secara berkala untuk memastikan pemanfaatan limbah tetap optimal. Secara keseluruhan, pelatihan ini tidak hanya memberikan manfaat langsung kepada peserta, tetapi juga membuka potensi baru bagi masyarakat desa dalam memanfaatkan sumber daya lokal secara berkelanjutan, sekaligus mengurangi dampak negatif limbah terhadap lingkungan.
EDUKASI PEMILAHAN SAMPAH MELALUI MEDIA PROMOSI DAN SOSIALISASI SEBAGAI UPAYA OPTIMALISASI PERAN TPS3R DI DESA TELUKJAMBE Bunga, Venny Ulya; Umam, Hilman Imadul; Pambudi, Teguh
Jurnal Abdi Insani Vol 11 No 4 (2024): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v11i4.2008

Abstract

Waste management systems like TPS3R are critical for reducing, utilizing, and managing trash at its source. However, the TPS3R presence in Telukjambe Village has not been perceived as effective in conducting waste management as required. One major issue with the TPS3R's insufficient waste management is the unsegregated waste entering the facility, which is caused by the nearby locals' lack of understanding about domestic waste sorting. Therefore, it is imperative to implement initiatives aimed at enhancing knowledge and concern about waste separation among the people surrounding the TPS3R in Telukjambe Village. We implement educational campaigns on waste separation through door-to-door outreach, where representatives visit residents' homes to provide technical information on home-based waste sorting using diverse educational media. Furthermore, to improve understanding of waste sorting and TPS3R management, we conducted socialization by inviting speakers to deliver the information in an engaging and participatory manner. The evaluation results indicate that around 82.4% of respondents, specifically those living there, answered the waste sorting questions accurately. The locals possess a solid comprehension of garbage sorting, providing a robust platform for increased participation in household waste segregation. Furthermore, the local government's role in establishing legislation for household trash segregation and TPS3R management can guarantee the sustainability of current initiatives, ensuring their continued implementation.
Adsorption of Nitrite (NO2-) Using Natural Zeolite and Natural Zeolite Modified with Cetyl Trimethylammonium Bromide (CTAB) Hanan, Ihsan Sofyan; Hakim, Muhammad Fahmi Hakim; Pambudi, Teguh
Hydrogen: Jurnal Kependidikan Kimia Vol. 13 No. 1 (2025): February 2025
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v13i1.14643

Abstract

Nitrite contamination in water is a critical environmental and public health concern due to its toxicity and persistence. This study investigates the adsorption of nitrite using activated natural zeolite and CTAB-modified zeolite through batch experiments. Natural zeolite was activated with 1M HCl to enhance its surface area, while modification with cetyl trimethylammonium bromide (CTAB) was performed to improve anion adsorption capacity. Adsorption experiments were conducted at different pH levels (2, 4, 6, 8) and contact times (10–90 minutes) using a 100 ppm nitrite solution, with 0.2 g of adsorbent in 50 mL solution. Residual nitrite concentrations were analyzed using UV-Vis spectrophotometry. The results showed that the optimum pH for activated zeolite was 4, with a residual nitrite concentration of 0.108 mg/L, whereas CTAB-modified zeolite performed best at pH 2, reducing nitrite to 0.005 mg/L. The optimal adsorption times were 60 minutes for activated zeolite (0.0106 mg/g) and 75 minutes for CTAB-modified zeolite (0.0156 mg/g). Kinetic analysis indicated that activated zeolite followed a pseudo-first-order model (R² = 0.950), while CTAB-modified zeolite was influenced by intraparticle diffusion (R² = 0.764). These findings highlight the potential of zeolites as efficient and cost-effective adsorbents for nitrite removal in wastewater treatment.
Co-Authors Hakim, Muhammad Fahmi Hakim Hanan, Ihsan Sofyan Venny Ulya Bunga Wilda, Saniatun