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All Journal Al-Ard: Jurnal Teknik Lingkungan Jurnal Kacapuri : Jurnal Keilmuan Teknik Sipil Jurnal Pengendalian Pencemaran Lingkungan (JPPL) International Journal of Eco-Innovation in Science and Engineering (IJEISE) Envirous Serambi Engineering Journal of Mathematics, Computation and Statistics (JMATHCOS) Environation (Environmental Engineering Journal of Community Dedication)
Jawwad, Muhammad Abdus Salam
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Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Earth & Planetary Sciences Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Public Health Social Sciences

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Journal : Serambi Engineering

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Analisis Timbulan Emisi Karbon Dioksida Area Kampus UPN “Veteran” Jawa Timur Ramadhan, Firza; Purnomo, Yayok Suryo; Jawwad, Muhammad Abdus Salam
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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The green space in the UPN Veteran campus area in East Java is a campus effort to control carbon dioxide (CO2) emissions generated by campus activities. Green spaces can absorb and store CO2 and convert it into energy and O2 through photosynthesis. The results showed that the CO2 emissions generated by the use of motorised vehicles, human respiration activities and the use of LPG energy at the research site amounted to 7,317,565.6 kgCO2/year. The total carbon uptake of the study area was 13,422,291 kgCO2/year. From the comparison between the total carbon dioxide (CO2) absorption and the generation of carbon dioxide (CO2) emissions at the research site, it is known that Green Space can absorb or reduce CO2 emissions as a whole.
Assessment of Black Carbon in University: Emphasis on Different Indoor Microenvironment, Infiltration Factor, and Exposure Sholikin, Mohamad; Rosariawari, Firra; Jawwad, Muhammad Abdus Salam
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Black carbon (BC), a harmful air pollutant, poses significant risks to human health. As students spend most of their time indoors and a third in school, the educational environment deserves special attention; however, most previous research has focused on the assessment of the pollutant itself in the classroom. Therefore, this work aims to extend the characterisation of BC in universities by considering different indoor microenvironments, infiltration factors and estimating exposures for healthy children and adults. In this study, BC concentrations were measured in four room types: cafeteria, gym, office room and classroom. The average BC observed in the cafeteria (599 ng m-³), gymnasium (987 ng m-³), office (830 ng m-³) and classroom (548 ng m-³) were. Of these, the gymnasium had the highest mean concentration, consistent with its high indoor/outdoor (I/O) ratio of 1.11, indicating significant indoor sources of BC. Exposure levels correlated directly with BC concentrations, with adults having higher deposition rates compared to children. These results provide insights into the spatial variation of BC in indoor environments, with implications for air quality control and health risk assessment for occupants.
Analisis Reduksi Emisi Gas Kendaraan Bermotor Menggunakan Adsorben Berbasis Biomassa Limbah Tempurung Siwalan Abdillah, Riko Ferdinand; Jawwad, Muhammad Abdus Salam
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Incomplete combustion of fossil fuels resulting from motor vehicle emissions releases hazardous pollutants such as carbon monoxide (CO) and hydrocarbons (HC). The high levels of these gases in emissions pose a significant threat to public health, creating an urgent need to develop and implement highly efficient processing or reduction technologies to ensure exhaust gas emission parameters remain within safe limits. This study demonstrates that activated carbon derived from siwalan (lontar) shell, specifically after activation with 25% Na2CO3 is highly effective in lowering exhaust gas emission levels, with the greatest reduction achieved using the largest adsorbent mass of 100 grams. The effectiveness of this adsorption is further supported by the statistical results of the Two-Way ANOVA model, which confirmed a significant influence of both adsorbent mass and adsorption process time. Consequently, the use of activated carbon from siwalan shell proves to be an effective and efficient solution for mitigating motor vehicle gas pollution. It holds significant potential for use as an emission reduction tool, particularly for older motor vehicles that lack existing emission control devices, and serves as a vital effort to comply with government regulations aimed at maintaining stable ambient air quality.
Regenerasi Kinerja Fluks Membran PVDF Ultrafiltrasi Menggunakan Kombinasi Asam Sitrat & H2O2 Dalam Pengolahan Air Sungai Jagir Pamungkas, Kresna Setyawan Adhi; Jawwad, Muhammad Abdus Salam
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Polyvinylidene fluoride (PVDF)-based ultrafiltration membranes are widely used because they can remove suspended and dissolved contaminants from water. However, fouling remains a major challenge, causing flux reduction and shortening the lifespan of the membrane. This study evaluated the performance of PVDF membranes when filtering Jagir River water, and assessed the effectiveness of stepwise washing with citric acid (C₆H₈O₇) and hydrogen peroxide (H₂O₂). Experiments were conducted at operating pressures of 1, 1.5 and 2 bar. Membrane flux was measured under four operating conditions: initial flux using distilled water (Jw1); river water flux before washing; flux using distilled water after washing (Jw2); and river water flux after washing. The results showed that Jw1 increased with increasing pressure, reaching a maximum value at 2 bar. However, river water filtration caused a significant decrease in flux due to fouling. Stepwise chemical washing partially recovered the flux, as indicated by the increases in Jw₂ and river water flux after washing. However, full recovery was limited by irreversible fouling. The highest Flux Recovery Ratio (FRR) value was obtained at 2 bar with a 6 wt% washing solution, indicating that the combination of high pressure and chemical treatment provides optimal performance recovery. Overall, the PVDF membrane can be effectively regenerated using citric acid and hydrogen peroxide; however, organic and inorganic mixed fouling limits total flux recovery.
Co-Authors Abdillah, Riko Ferdinand Alifiyah, Hana Nisrina Citrasari, Nita Darmawan, Agges Brian Fachrudin, Rizal FAJAR HIDAYAT Fedora Talitha Octa Purnamasari Firza Ramadhan, Firza Murti, Restu Hikmah Ayu Nisa', Syadzadhiya Qothrunada Zakiyayasin Novembrianto, Rizka Pamungkas, Kresna Setyawan Adhi Praditya Sigit Ardisty Sitogasa Purnomo, Yayok Suryo Putri, Marsanda Amelia Rosariawari, Firra Sholikin, Mohamad Syakiroh, Maulidah Wijaya, Rama Yudhistira, Ahmad Baihaqi