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Journal : Serambi Engineering

Efektivitas Filtrasi Multi-Media dalam Menyisihkan TSS dan COD dari Air Bekas Wudhu Nur, Ansiha; Ruslinda, Yenni; Ananda, Dimas Rizki; Mardatillah, Regina
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

This study aims to calculate the quantity of used wudhu wastewater at the Nurul Ilmi Mosque, Universitas Andalas, test the effectiveness of filtration in removing TSS and COD, and evaluate its potential use as non-potable water. Quantity measurements were carried out on Monday, Friday, and Sunday with triplicate tests. Filtration used a continuous PVC reactor (capacity 2.54 L) with an influent discharge of 2 gpm and 4 gpm. The filtration media consisted of activated carbon, zeolite sand, and silica sand. The results showed that the highest volume of used ablution water was on Friday at 35.865 ± 9.67 L/sec. TSS and COD removal at a discharge of 2 gpm and 4 gpm were 74.03% ± 2.98 and 76.19% ± 3.37, and 70.01% ± 2.98 and 70.01% ± 0.00, respectively. The 2 gpm discharge showed the best removal results, although the COD value did not meet the Quality Standards of PP No. 22 of 2021 (class 2). The t-test showed that the variation in discharge did not have a significant effect on the removal of TSS and COD (p>0.05). With its potential for utilization, it is recommended to extend the residence time at a discharge of 2 gpm so that COD meets the quality standards, so that used ablution water can be used as non-potable water.
Desain Constructed Wetland sebagai Pengolahan Tersier untuk Menyisihkan Mikroplastik Viviani, Amalia; Nur, Ansiha; Sri Komala, Puti
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

This study aims to plan the design of a constructed wetland as a tertiary treatment to remove microplastics in wastewater so that it is safe to discharge into water bodies or the environment. The design site is the Anaerobic Upflow Filter (AUF) type wastewater treatment plant in Jambi City. The design uses the Sub Surface Flow Constructed Wetland (SSFCW) system and the Horizontal Sub Surface Flow (HSSF) system with the selected plants being Phragmites communis. The planned design is 1 unit for a treatment capacity of 24 m3/day, which is located downstream of each AUF type WWTP in Jambi City. The constructed wetland design refers to the design criteria and design calculations contained in Book A, a guide for the calculation of fecal sludge treatment buildings. This study also calculates the Bill of Quantity (BOQ), which is determined based on the dimensions of the design drawing, and the Resource Allocation Plan (RAB), which is determined based on the amount of work multiplied by the Analysis of the Unit Price of Work (AHSP). AHSP refers to the Jambi Governor Regulation No. 1 of 2024 on Unit Price Standards. Based on the research results, it was found that the dimensions of the constructed wetland design were 64 m × 16 m × 0.9 m, so the estimated cost for the construction of the design was IDR 405,415,773.84 with an estimated microplastics removal efficiency of 100%.
Analisis Potensi Pemanfaatan Kualitas Air Hujan Untuk Penggunaan Non-potable Water di Kampus Universitas Andalas Ermaningsih; Nur, Ansiha; Komala, Puti Sri
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The high demand water for sanitation purposes in Engineering Faculty, Andalas University, particularly for toilet flushing systems, has not been balanced by utilization of sustainable alternative water sources. Therefore, this study aims to evaluate feasibility of rainwater quality as non-potable water source planned for implementation in the buildings of Engineering Faculty, Andalas University. The feasibility assessment refers to Regulation of Health Minister of Republic of Indonesia Number 2 of 2023. Rainwater samples collected directly from building roof downpipes, with three repetitions at the same location. The parameters of pH, dissolved oxygen (DO), and temperature were measured in situ using Lutron DO-5510 dissolved oxygen meter and portable pH meter, while turbidity, BOD, COD, TSS, and total coliform were analyzed at Environmental Engineering Department Laboratory of Andalas University using standard methods based on SNI 6989.57:2008 and US EPA Method 1699. The results indicate that pH, DO, temperature, BOD, COD, TSS, and turbidity comply with the established quality standards, whereas total coliform levels exceed the permissible limit. The presence of total coliform is presumably due to contamination from bird droppings on roof surfaces, particularly in areas surrounded by vegetation.