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All Journal Jurnal Abdi Insani Reswara: Jurnal Pengabdian Kepada Masyarakat Hydrogen: Jurnal Kependidikan Kimia Helium: Journal of Science and Applied Chemistry Babakti: Journal of Community Engangement
Teguh Pambudi, Teguh
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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.
PENINGKATAN NILAI GUNA SAMPAH PLASTIK NON EKONOMIS SEBAGAI BAHAN DASAR PEMBUATAN PAVING BLOCK DI TPS3R DESA TELUKJAMBE Kusuma, Anis Mustaghfirin; Bunga, Venny Ulya; Huda, Syamsul; Pambudi, Teguh; Masruroh, Putri; Umam, Hilman Imadul
Jurnal Abdi Insani Vol 12 No 11 (2025): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v12i11.2942

Abstract

Telukjambe Village as an industrial buffer area faces complex waste management problems where only 29% of 1200 tons of daily waste in Karawang is transported to the landfill. This condition causes accumulation of non-economic plastic waste at TPS3R which remains unoptimized and potentially pollutes the environment. This community service activity aims to improve the knowledge and skills of TPS3R operators in processing non-economic plastic waste into paving blocks. The implementation methods include field observation and literature study to identify partner needs. Furthermore, demonstration workshops and hands-on practice of paving block production were conducted with evaluation using pre-test/post-test and N-Gain analysis. The results showed a 74.4% participant participation rate in all practical stages. There was a 26.67% increase in knowledge measured through pre-test and post-test. N-Gain analysis showed 33.3% of participants experienced very significant improvement and 66.7% showed fairly significant improvement. Participant enthusiasm was also very high during the practical sessions as seen from active engagement in discussions. The conclusion indicates that this activity successfully enhanced the capacity of TPS3R operators in processing non-economic plastic waste into economically valuable products. This success is marked by the achievement of knowledge improvement and active participation of participants.
The Catalytic Performance of MnSO4-Doped Natural Zeolite in Ethyl Acetate Synthesis Nugroho, Adelia Natasya Regita; Pambudi, Teguh; Alfieta Rohmaful Aeni; Retno Utami
Helium: Journal of Science and Applied Chemistry Vol. 5 No. 1 (2025): Helium: Journal of Science and Applied Chemistry
Publisher : Study Program of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/helium.v5i1.23

Abstract

Ethyl acetate is a compound that is widely used across various industries. However, its esterification process typically requires a catalyst to improve reaction efficiency. This study focuses on developing a MnSO4-doped natural zeolite catalyst using the impregnation method to enhance its catalytic activity in the esterification of acetic acid and ethanol. The synthesized catalyst was characterized using FTIR, XRD, and SEM-EDS to analyze structural and morphological changes. FTIR characterization revealed the presence of Si-O-Si and Al-O-Si bonds in the 1000 to 1100 cm-1 region, while XRD confirmed that the zeolite with transition metal impregnation shows a decrease in the intensity of the diffraction peak. SEM-EDS analysis demonstrated that the MnSO4-doped natural zeolite exhibited a more uniform morphology, with manganese ions effectively integrated into the surface and pores of the zeolite. Additionally, EDS measurements detected the presence of elements such as Si, O, Al, Na, and Mn, confirming the successful modification of the zeolite to act as a catalyst. Catalytic testing showed that the highest ethyl acetate conversion achieved was 91.27% within 90 minutes, with optimal performance observed at a catalyst mass of 1 g. These findings indicate that modifying zeolite with MnSO4 can significantly enhance catalyst performance in esterification reactions, making it a more efficient and sustainable alternative to conventional catalysts.
Pemanfaatan Limbah Botol Plastik Sebagai Bahan Baku Sapu Lantai Daur Ulang Melalui Kegiatan Workshop dan Analisis Nilai Ekonominya Pambudi, Teguh
Babakti: Journal of Community Engangement Vol 1 No 1 (2024)
Publisher : Fakultas Teknik, Universitas Singaperbangsa Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35706/babakti.v1i1.13103

Abstract

Telah dilaksanakan kegiatan pelatihan pengolahan sampah botol plastik menjadi sapu daur ulang beserta analisis nilai ekonominya kepada masyarakat Desa Payungsari, Kecamatan Pedes, Kabupaten Karawang. Kegiatan pelatihan tersebut dilaksanakan melalui dua sesi yaitu metode pelatihan terstruktur dan pelatihan partisipatif. Pelatihan terstruktur dilaksanakan melalui sosialisasi jenis dan pemilahan sampah plastik dan pemaparan materi dengan metode ceramah. Selanjutnya pelatihan partisipatif dilaksanakan dengan melakukan kegiatan partisipatif dengan melibatkan peserta dalam pembuatan sapu daur ulang secara langsung oleh fasilitator. Kegiatan pelatihan pembuatan sapu daur ulang botol plastik menjadi salah satu upaya untuk mengurangi masalah sampah di Desa Payungsari. Hasil dari kegiatan ini mampu meningkatkan pengetahuan masyarakat desa mengenai jenis dan pemilahan sampah plastik yang dapat terus dilakukan. Pada kegiatan praktek langsung pembuatan sapu daur ulang, peserta kegiatan mampu meningkatkan keterampilan dan mengetahui nilai-nilai ekonomi yang dikeluarkan dan didapatkan. Untuk mengoptimalkan hasil sosialisasi dan pelatihan, maka perlu didukung dengan media seperti poster yang ditempel di beberapa tempat di lingkungan masyarakat.
Co-Authors Alfieta Rohmaful Aeni Hakim, Muhammad Fahmi Hakim Hanan, Ihsan Sofyan Kusuma, Anis Mustaghfirin Masruroh, Putri Nugroho, Adelia Natasya Regita Retno Utami Syamsul Huda Venny Ulya Bunga Wilda, Saniatun