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All Journal Rekayasa Mesin Jurnal Pusat Inovasi Masyarakat
Ulum, Reza Miftahul
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Mechanical Engineering Social Sciences

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THE EFFECT OF PYROLYSIS DURATION ON THERMAL CONDUCTIVITY, STABILITY, AND VISCOSITY OF DISPERSED PCB-BASED PARTICLES IN THERMAL FLUID Putra, Wahyuaji Narottama; Ariati, Myrna; Suharno, Bambang; Ferdian, Deni; Ulum, Reza Miftahul
Jurnal Rekayasa Mesin Vol. 14 No. 3 (2023)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v14i3.1655

Abstract

Solid particles have a higher thermal conductivity compared to a fluid. Therefore, it is a common practice to disperse solid particles inside a base fluid to increase its thermal conductivity. The particle-dispersed fluid is called a thermal fluid. Thermal fluid, such as a coolant, is widely used as a heat transfer fluid. Several types of particles can be used to increase the thermal conductivity of the fluid, i.e., metallic particles, metal-oxide particles, or even carbon-based particles. In this research, a carbon-based particle was used as the dispersed particle. The particle was obtained by processing electronic waste, specifically Printed Circuit Board (PCB). The PCB was pyrolyzed for variable duration at 15, 30, and 45 minutes to increase the carbon content. After pyrolyzing, the particle was milled to reduce its size. Subsequently, the PCB particle was added to distilled water. Sodium Dodecylbenzene Sulfonate (SDBS) was added as a surfactant to increase fluid stability and prevent particle agglomeration. Thermal conductivity was improved by up to a 13% increase at the 15-minute pyrolysis. Adding SDBS surfactant also improves the thermal fluid's stability to -29,1 mV. The fluid's viscosity was slightly increased up to a maximum of 0.984 mPa.S.
Cinta Situregen: Mengatasi Abrasi dan Sampah di Desa Situregen Ulum, Reza Miftahul; Fahreza Y H, M Ryan; Juliana, Aisyah; Fathonah , Ainnun; Widyawati; Malika, Illinia; Prayogi, Khalfi; Andika, Dicky; Taryono
Jurnal Pusat Inovasi Masyarakat Vol. 6 No. Khusus: Desember 2024
Publisher : Direktorat Pengembangan Masyarakat Agromaritim, Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpim.6.Khusus.179-188

Abstract

KKNT IPB Innovation 2024 is a community service program that integrates higher education curricula to train students in analyzing and finding solutions to societal problems. Situregen Village has the potential for tourism, particularly the Cimandiri Beach, but faces issues with coastal cleanliness. This community service activity aims to implement innovation through the planting of abrasion-preventing plants such as mangroves, sea pandanus, and sea pines, as well as waste management practices. The program involves various local communities and institutions, including the Beach and Sea Lovers Community (KPPL) and the Disaster-Resilient Village (Destana), in activities such as socialization, planting, and beach cleaning to reduce the negative impacts of environmental pollution and improve aesthetics and public health. The activities include socializing waste segregation and practical actions like planting and beach cleaning on different dates. The results show positive impacts in reducing abrasion, increasing environmental awareness, and building active community participation. Challenges faced include suboptimal participation and miscommunication between parties. Sustainability recommendations include periodic education, continuous planting, and the establishment of local working groups to monitor the program. This program demonstrates that with active involvement from various stakeholders and the community, Situregen Village can become a model for a clean, healthy, and sustainable village.
Co-Authors Andika, Dicky Bambang Suharno Deni Ferdian Fahreza Y H, M Ryan Fathonah , Ainnun Juliana, Aisyah Malika, Illinia Myrna Ariati, Myrna Prayogi, Khalfi Putra, Wahyuaji Narottama Taryono Widyawati