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All Journal Jurnal EnviScience (Environment Science) Jurnal Teslink : Teknik Sipil dan Lingkungan International Journal of Eco-Innovation in Science and Engineering (IJEISE) Envirous Environmental Science and Engineering Conference Proceeding Jurnal Pengbdian Teknik Mesin Biomedical and Mechanical Engineering Journal Jurnal Penelitian Rumpun Ilmu Teknik Kohesi: Jurnal Sains dan Teknologi Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Serambi Engineering Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Venus: Jurnal Publikasi Rumpun Ilmu Teknik Environation (Environmental Engineering Journal of Community Dedication)
Muhammad Abdus Salam Jawwad
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Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Transportation Other

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Journal : Serambi Engineering

 1 
Pengaruh Penambahan Pasir Pada Metode Aerasi Tanah Dalam Stabilisasi Timbal (Pb) Faiq Pandu Mahajana; Muhammad Abdus Salam Jawwad
Jurnal Serambi Engineering Vol. 10 No. 4 (2025): Oktober 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Soil contamination by heavy metals, particularly lead (Pb), is a serious environmental issue in Indonesia, as it affects human health, ecosystems, and land productivity. Pb can accumulate in plants and enter the food chain, increasing public health risks. Therefore, an effective, low-cost, and field-applicable remediation method is required. One potential approach is aeration, which involves oxygen addition to improve soil porosity and enhance heavy metal stabilization. However, the effectiveness of aeration is strongly influenced by soil physical properties; hence, this study focuses on the effect of soil–sand composition on Pb stabilization in Inceptisol soil. The research was conducted using a laboratory-scale batch reactor with Inceptisol soil contaminated by Pb(NO₃)₂ (300 mg/kg). Treatments included three soil–sand ratios (100:0, 70:30, and 60:40) and three aeration durations (non-aerated, 12 hours, and 24 hours). Parameters analyzed were residual Pb²⁺ concentration and soil physical characteristics, with data processed using two-way ANOVA. Results showed that sand addition improved aeration effectiveness, achieving the highest Pb removal (94,6%; final Pb 17,1 mg/kg) at 60:40 composition with 24-hour aeration. In contrast, pure soil without aeration showed the lowest effectiveness (76,1%). Statistical tests confirmed that media composition, aeration duration, and their interaction significantly affected Pb stabilization (p < 0,05). This study demonstrates that combining aeration with sand addition offers a simple and practical method for remediating Pb-contaminated Inceptisol soil.
Pengaruh pH Tanah Terhadap Metode Aerasi Dalam Stabilisasi Logam Berat Timbal (Pb2+) Moch Shafansyah Yumna Argia; Muhammad Abdus Salam Jawwad
Jurnal Serambi Engineering Vol. 10 No. 4 (2025): Oktober 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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This study examines the effect of soil pH variation on the effectiveness of the aeration method in stabilizing the heavy metal lead (Pb2+). Lead contamination from industrial waste and fossil fuels is a serious environmental problem as it is carcinogenic and can pollute ecosystems, including plants, posing a health risk to humans. Soil remediation is needed to address this issue, and soil aeration is one promising method. However, the effectiveness of aeration is highly influenced by soil environmental conditions, particularly pH, as low pH makes heavy metals easily soluble and mobile. This quantitative experimental study used 3 reactors with variations in pH treatment (acidic pH 4, neutral pH 6.5, and alkaline pH 10) and aeration duration (6 hours/day). Samples were analyzed using Atomic Absorption Spectrophotometry (AAS) to measure the remaining lead concentration, and the stabilization efficiency was calculated from the difference in concentration before and after treatment. The results showed that the alkaline pH treatment (pH 10) consistently provided the highest lead reduction efficiency, reaching 78.7% at a 24-hour aeration duration. Increasing the pH caused the Pb2+ ions to precipitate into insoluble and less toxic compounds. Statistical analysis using ANOVA confirmed that pH and aeration duration had a significant effect on the efficiency of lead (Pb2+) reduction.
Pemanfaatan Limbah Tambak Garam Sebagai Koagulan Bittern Untuk Menurunkan Parameter Kekeruhan Pada Limbah Tahu Pedro Caesariano; Muhammad Abdus Salam Jawwad
Jurnal Serambi Engineering Vol. 10 No. 4 (2025): Oktober 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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The tofu industry produces wastewater with high turbidity, requiring treatment before being discharged into the environment. This study aims to utilize bittern, a byproduct of salt pond production, as an environmentally friendly alternative coagulant to reduce turbidity in tofu wastewater. Bittern was activated using three types of strong bases Ca(OH)₂, KOH, and NaOH with dosage variations of 40,50,60 mL and concentrations of 4%,6%,8%. The results showed that all activators enhanced the coagulation performance of bittern, with varying effectiveness under each treatment. NaOH provided the best result at a dosage of 50 mL and a concentration of 4%, achieving a turbidity removal efficiency of 95%. KOH reached optimal performance at 50 mL and 6%, with a turbidity removal efficiency of 93%, while Ca(OH)₂ achieved 85% efficiency at 50 mL and 6%. Overall, this study demonstrates that NaOH-activated bittern is an effective alternative coagulant with potential for sustainable application in tofu wastewater treatment.
Analisis Efektifitas MBBR Dengan Aerasi Intermitten Dalam Menurunkan COD Dan NH3-N Pada Air Limbah RPH Akhdan Praditya, Fawwaz; Raden Kokoh Haryo Putro; Muhammad Abdus Salam Jawwad
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Slaughterhouse wastewater contains high levels of organic matter and nitrogen, which can potentially pollute the environment if not properly treated. This study aims to analyze the effectiveness of the Moving Bed Biofilm Reactor (MBBR) system with intermittent aeration using pumice stone media in reducing Chemical Oxygen Demand (COD) and ammonia (NH₃-N) concentrations. The tested variables included media filling ratios (25%, 35%, and 45%) and hydraulic retention times (4, 6, and 8 hours) with balanced oxic–anoxic cycles. The results showed that increasing the media ratio and retention time significantly improved pollutant removal efficiency. The best performance was achieved with 45% media and an 8-hour retention time, resulting in COD and NH₃-N removal efficiencies of 87% and 82.8%, respectively. The pumice stone media effectively supported biofilm growth, which played a key role in the nitrification–denitrification processes. The intermittent MBBR technology with pumice media proved to be efficient, economical, and environmentally friendly for the treatment of slaughterhouse wastewater.
Co-Authors Adhi Pamungkas, Kresna Setyawan Afif Pratama Tris Ardiansyah Akhdan Praditya, Fawwaz Andyas Mukti Pradanarka Bina Wijayanti, Sri Utami Erwan Adi Saputro Fadlilah Qubro, Qonitah Faiq Pandu Mahajana Iffad Rakhmanhuda Intania Widyantari Kirana M R A Maulana Michel Adam Yudistira Moch Shafansyah Yumna Argia Moch. Andy Wibisono Muhammad Bagus Scheva Putra Mahendra Muhammad Faisal Fadhil Muhammad Khilmi Alkhatib Murti, Restu Hikmah Ayu Nuraini Safitri Pedro Caesariano R H A Murti Raden Kokoh Haryo Putro Rama Wijaya Salsabila Putri, Desi Sarah Aulia Shen-Jie You Sulton Habib Mubarok Thineza Ardea Pramesti Ya-Fen Wang Zuhria Oktaviani Zuhria Oktaviani