Article Per Year (5 Year)
p-Index From 2021 - 2026
0.444
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All Journal J-ENSITEC (Journal of Engineering and Sustainable Technology) Journal of Community Service (Abdisci)
Wisnu Wijaya
Universitas Sangga Buana YPKP
Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering Industrial & Manufacturing Engineering Mechanical Engineering Other

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UTILIZING SURPLUS GEDONG GINCU MANGOES AS CHIPS TO IMPROVE FAMILY ECONOMIES IN JEMBARWANGI VILLAGE Nurhaeni Sikki; Hersusetiyati; Pupi Indriati Zaelani; Ratna Deli Sari; Ajeng Nisa Kusuma; Wisnu Wijaya; Cantika Dea Nurlaela Putri; Najmi Ihwani; Ahmad Muzakki; Salas Iqbal Maulana
Jurnal Abdisci Vol 1 No 11 (2024): Vol 1 No 11 Tahun 2024
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/abdisci.v1i11.446

Abstract

This community service activity (PKM) was conducted in Jembarwangi Village, Tomo Subdistrict, Sumedang Regency, West Java, known for its cultivation of the exotic Indonesian fruit, Gedong Gincu mango. The village faces significant challenges during the harvest season. When the harvest is abundant, mangoes that do not meet export market criteria (grade Ab1) or local market criteria (grade Ab2) accumulate and rot, potentially harming the environment. To address this issue and boost the local economy, the Community Service Program (KKN) introduced the idea of processing these mangoes into value-added products, namely Gedong Gincu mango chips. However, after the KKN program ended, the activities ceased as the community still required ongoing support. Universitas Sangga Buana YPKP Bandung, supported by the PKM Program from Hibah Bima Dikti 2024, is aiding Jembarwangi Village to market the Gedong Gincu mango chips produced and generate significant profits. The methods used include direct demonstrations of mango chip-making techniques, interactive discussions, and practical training with the local community. The results showed high enthusiasm from the residents, but further support is needed to achieve the desired outcomes. The results of this training are detailed in the article titled "Utilizing Surplus Gedong Gincu Mangoes as Chips to Improve Family Economies in Jembarwangi Village."
Failure Analysis of Centrifugal Pump Impeller in Textile Wastewater Using a Visual and Erosion-Corrosion Approach Jejen Jaelani Frihatna; Wisnu Wijaya; Cecep Deni Mulyadi; Mohamad Agus Fhaizal; Winardi Sani; Hanny Rahayu
J-ENSITEC Vol. 12 No. 02 (2026): June 2026
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/j-ensitec.v12i02.18060

Abstract

Premature impeller failure is a major operational problem in textile wastewater treatment systems due to abrasive slurry flow and chemically aggressive environments. This study investigates the failure mechanism of a centrifugal pump impeller used in a textile wastewater treatment plant after approximately 1.5 years of operation. The impeller material was identified as gray cast iron operating under slurry wastewater conditions containing suspended abrasive particles and chemical contaminants. The failure analysis was conducted through visual inspection, morphology evaluation, and literature-based erosion–corrosion interpretation. Severe degradation was observed in the outer diameter region, including pitting, edge thinning, perforation, and material loss. The damage was associated with abrasive particle impact, high turbulence intensity, slurry flow, and corrosive wastewater exposure. The results indicate that synergistic erosion–corrosion was the dominant degradation mechanism. Erosion continuously removed the protective oxide layer, while corrosion accelerated material weakening and surface deterioration. Recent erosion studies on centrifugal pumps also reported severe degradation near blade tips and outer diameter regions due to high particle impact energy and turbulence effects. Compared with previous studies that separately discuss erosion or corrosion mechanisms, this study emphasizes the interaction of both mechanisms under textile wastewater operating conditions. The findings provide practical implications for improving pump reliability through better material selection, slurry filtration systems, and preventive maintenance strategies in wastewater treatment applications.
Co-Authors Ahmad Muzakki Ajeng Nisa Kusuma Cantika Dea Nurlaela Putri Cecep Deni Mulyadi Hanny Rahayu Hersusetiyati Jejen Jaelani Frihatna Mohamad Agus Fhaizal Najmi Ihwani Nurhaeni Sikki Pupi Indriati Zaelani Ratna Deli Sari Salas Iqbal Maulana Winardi Sani