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Journal : Serambi Engineering

Pengaruh Waktu Pengadukan Biosorben Cangkang Maggot dalam Menyisihkan Ion Fe Nur Aini Maulidifa; Euis Nurul Hidayah
Jurnal Serambi Engineering Vol. 9 No. 2 (2024): April 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Heavy metals, including iron (Fe), are commonly found in industrial wastes and end up contaminating water sources. Although their presence is essential in various industrial applications, high concentrations of heavy metals can lead to toxicity and health problems. Therefore, adsorption methods have been used as an approach to reduce the concentration of heavy metals in water. Maggot shells have been identified as potential biosorbents because they contain chitin compounds that can interact with heavy metals. The aim of this study was to evaluate the influence of stirring time on the adsorption process of maggot shells on the heavy metal Fe. The adsorption method used was a batch system with a stirring speed of 150 rpm. The results showed that the increase in adsorption efficiency was consistent with the increase in stirring time. Stirring time plays a crucial role in enhancing the interaction between the biosorbent and Fe metal ions, resulting in increased removal efficiency. However, the effect of stirring time is limited after the saturation point is reached.
Pemanfaatan Air Limbah Pupuk ZA II Sebagai Penetral pH Dalam IPAL Pabrik Pupuk X Latifiara Zahra Auly; Euis Nurul Hidayah
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The use of water in industrial activities is a problem that needs to be given strong attention to always be used as a benchmark for water quality, especially in the industrial activities of PT Petrokimia Gresik. This research aims to determine the effectiveness of ZA II factory wastewater as a substitute for NaOH in the pH neutralization process. The effectiveness of ZA II fertilizer wastewater as a pH neutralizer can be determined by testing the pH, TSS and PO4 levels. The method used in this research is neutralization. The variation used is a mixture of neutralized water, NaOH and ZA II waste water. The NaOH used was 0.1 ml; 0.3 ml; 0.5 ml. Based on the research results, it is stated that ZA II fertilizer wastewater can increase pH levels because of its alkaline nature, from 6 to 8. Utilizing ZA II wastewater can reduce the cost of using NaOH, which is relatively expensive. This research can reduce the cost of using NaOH 89.3% cheaper than before, namely IDR 9,000,000/month.
Kinerja Aerasi Venturi Dalam Meningkatkan Kualitas Air Kusuma, Brillyan; Nurul Hidayah, Euis; Hendriyanto Cahyonugroho, Okik
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Effective and efficient water treatment is needed to improve water quality. The content of iron (Fe) and manganese (Mn) compounds in water is a major problem that can affect health and interfere with human activities. One of the steps that can be taken to degrade manganese is oxidation using aeration. In this study, variations in the diameter of venturi aerators were used to determine the performance of venturi aeration in water treatment. The variation in diameter was set at 12mm, 10mm and 8mm sizes. Based on the results of the study, dissolved oxygen levels have increased over time. The highest increase in dissolved oxygen content was achieved with the 12 mm diameter variation with dissolved oxygen levels reaching 7.8 mg/litre within 60 minutes. a significant reduction in iron content of 92% with an iron content of less than 0.0567 mg/litre. The largest percentage decrease in manganese content occurred with the variation of the aerator vent hole diameter of 12 mm, which was 54% with an aeration time of 15 minutes. There is a fluctuation in the decrease in manganese content caused by the more difficult to oxidise properties of manganese.
Strategi Pengendalian Pencemaran Air Sungai Gude Ploso Menggunakan Pemodelan QUAL2Kw Putri Nadia Berliana; Hidayah, Euis Nurul
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

This study focuses on the pollution of the Gude Ploso River in Jombang Regency, East Java Province, Indonesia, mainly caused by household and tofu industry waste. To control pollution, it is crucial to identify pollution sources, predict changes in water quality, and test the effectiveness of mitigation strategies. Our results show that several parameters in the Gude Ploso River exceed permissible limits, including total suspended solids (TSS), phosphate, and chemical oxygen demand (COD). Pollutant carrying capacity calculations indicate that phosphate and COD levels exceed the maximum carrying capacity at all sampling sites. Analysis using the STORET method indicates moderate levels of pollution with values of -30, -20, -21, and -21. Proposed mitigation strategies include monthly or quarterly monitoring of factories near the Gude Ploso River, conducting outreach and workshops for local communities to raise awareness about the state of the river, implementing phytoremediation at various points along the river, establishing environmental NGOs in the area, and conducting water flushing during dry periods. These strategies aim to reduce pollution in the Gude Ploso River, ensure the sustainability of its ecosystem, and provide a decent quality of life for the communities that rely on the river as a water resource.
Pengaruh Perbedaan Diameter Lubang pada Tray Aerator Terhadap Penurunan Fe dan Mn pada Air Sumur dengan Media Karbon Aktif Namira; Hidayah, Euis Nurul
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Polluted groundwater can be treated using tray aerator technology, particularly to reduce the concentration of iron (Fe) and manganese (Mn) in well water, especially in the Jombang area. This technology uses oxidation by introducing air through a tray aerator, which has variations in hole diameter and distance between trays. The study focused on the effect of variations in tray hole diameter (0.4 cm, 0.5 cm, 0.6 cm) and contact time on improving water quality. Activated carbon was also added as a medium to help adsorb pollutants. The results showed that tray aerators with the right diameter and spacing can significantly reduce Fe and Mn levels to meet drinking water quality standards according to government regulations. Parameters such as dissolved oxygen (DO), pH, temperature and Fe and Mn concentrations were measured periodically to evaluate the effectiveness of the aerator. This study is an important contribution to the development of more efficient and environmentally friendly water treatment technology.
Pengaruh Penambahan Media Karbon Aktif dan Zeolit Terhadap Peningkatan Kinerja Tray Aerator Pada Air Sumur Septi Ika Nurfadila; Euis Nurul Hidayah
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

In the well water of Sengon Village, the levels of Fe (iron) and Mn (manganese) exceed the established quality standards of 0.743 mg/L and 1.60 mg/L respectively. One of the treatment solutions to reduce these contaminant levels is the aeration method of the aeration tray with the addition of media. The aeration method works by bringing water into contact with oxygen. The aim of this study is to determine the optimum performance of tray aerators by comparing the addition of activated carbon, zeolite or mixed media. Each media has an influence on the measurement results of pollutant levels in units of percent removal. The parameter with the highest weight is the one that most influences the effectiveness in removing Fe and Mn. The values of the parameter variations were then analysed and Anova Two Way statistical test was performed. The results showed that the most optimal reduction of Fe levels was achieved by aeration with activated carbon media with an aeration time of 150 minutes with a percentage removal of 96.67% and a level of 0.0234 mg/L. To reduce Mn levels, the most optimal aeration with addition of zeolite media with an aeration time of 150 minutes with a percent removal of 99.08% and levels <0.0145 mg/L. And to increase DO levels, the most optimal is aeration with the addition of activated carbon media with an aeration time of 150 minutes and a final DO value of 6 mg/L.
Analisis Pengaruh Variasi Jarak Tray terhadap Kinerja Tray Aerator dalam Menurunkan Kandungan Besi dan Mangan pada Air Sumur Puspitasari, Ratna Endah Dwi; Euis Nurul Hidayah
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 analyse the effect of tray spacing variations on the performance of tray aerators in reducing iron (Fe) and manganese (Mn) concentrations in well water. A quantitative experimental method was used with three tray spacing variations (30 cm, 40 cm and 60 cm) and different tray levels. The results indicate that the tray aerator with 40 cm tray spacing achieved iron removal efficiencies of up to 85.83% and manganese removal efficiencies of up to 35.14%, outperforming other spacing configurations. Tray spacing and aeration time were found to have a significant effect on removal efficiency, with 40 cm spacing providing an optimum balance between turbulence and contact time. In addition, the highest increase in dissolved oxygen (DO) occurred at 30 cm tray spacing. This study concludes that proper tray spacing arrangements can improve the effectiveness of tray aerators in treating well water.
Analisis Life Cycle Assessment Produksi Biokoagulan Cangkang Maggot Marshanda Afifa Shalsabila; Euis Nurul Hidayah
Jurnal Serambi Engineering Vol. 10 No. 4 (2025): Oktober 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Black soldier fly shell as biocoagulant is considered effective in removing pollutants, making it a potential alternative coagulant in the coagulation-flocculation process. However, studies on the environmental impact of natural coagulant production need to be conducted as an assessment of the sustainability of natural coagulants. This study aims to analyze the environmental impacts caused by the production of black soldier fly shell biocoagulant using Life Cycle Assessment (LCA) with the ReCiPe 2016 method through Midpoint and Endpoint approaches using the SimaPro 9.6.0.1 software. The Life Cycle Assessment (LCA) was conducted with a gate-to-gate system boundary and a functional unit of 0.1 kg of raw biocoagulant material. Based on the results, the Midpoint approach showed the largest impact category as human carcinogenic toxicity with a total score of 1.07. Additionally, the Endpoint approach identified the largest impact category as human health with a total score of 20.7 Pt. The biggest contributor to the environmental impact in the production of black soldier fly shell biocoagulant is the chitosan dissolution stage, amounting to 5.11 Pt from the total human health impact. This is caused by electricity use, which affects human health.
Analisis Economic Engineering Penggunaan Koagulan Natural-Based dan Koagulan Metal-Based dalam Pengolahan Air Bersih Setyoningrum, Rahmadiah Indah; Euis Nurul Hidayah
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Clean water treatment is always a challenge with the increasing pollution of water resources. This study focuses on an economic engineering approach in clean water treatment using various types of coagulants, namely using natural-based coagulants (moringa seed coagulant and maggot shell coagulant) and metal-based coagulants (alum coagulant). The main objective of this study is to analyze the comparison of technical aspects and cost aspects in the process of making coagulants and clean water treatment processes. This research method, in the technical aspect involves the coagulation-flocculation process in the removal of pH, turbidity, TSS, and color parameters, and in the cost aspect involves laboratory and industrial simulation methods to measure cost efficiency in coagulant production and clean water treatment by analyzing capital costs and operational costs. These results indicate that the use of natural-based coagulants, especially moringa seed coagulants, is more efficient overall than maggot shell coagulants and alum. Moringa seed coagulant can be 10-25% more cost-effective than maggot shell coagulant and alum, while maggot shell coagulant only provides a 15% cost savings in TSS processing compared to alum. Moringa seed coagulant is significantly more cost-effective because it has a low optimum dosage for processing pH, turbidity, TSS, and color, and is more environmentally friendly because it does not contain high levels of contaminants like metal-based coagulants.
Co-Authors A.L. Ramanathan Agil Harnowo Agil Harnowo Putra Ahmad Iskandar Amelia Putri Ana Mauidatul Khasanah Anarta Cahyadiatma Andrysah Djalalembah Anis Artyani Anisa Amelia Atmadani Ardian Purnomo Sampurno Ariq Akbar Maulana Ariq Akbar Maulana Asrianto, Rifky Asrianto Aulia Ulfa Farahdiba Aulia Ulfah Farahdiba Aurelia Asilah Zahrah Aussie Amalia Ayunda Wulan Aziz Faza Hargiyanto Azizah Mahirah Rizki Damayanti, Lila Kurnia Dea Maylita Dharmasari Jatmiko Dhikma Pristika Melenia Dinda Ayu Lavyatra Dr. Rekha Kashyap E. Kayalvizhy Elfida Rosydah Emeraldi Firdaus Emira Aulia Rachma Emira Aulia Rachmah Erditya Fauzan Thoriqul Haqq Erwan Adi S Fairuz Khurotul Aini Fairuz Khurotul Aini Farida Pulansari Farida Pulansari Fauziyah Herdatul Dwi Krisdayanti Firdaus, Emeraldi Firra Rosariawari Gabriela Veronica Galuh Retno Cahyaningnugroho Gilang Nur Dwi Setiawan Gilang Nur Dwi Setiawan Gina Aprilliana Asmar Grace Claudia Anastasia Hafidya Norista Pramesti Hakam, Muhammad Haryo Bimo Herlambang Haryo Bimo Herlambang Hendrata Wibisana Hendriyanto Cahyonugroho, Okik Hirsandy Rachmadhany Alamsyah Ima Putriana Imaniar Ramadhani Imaniar Ramadhani Imroatul Mufidah Indah Fitriana Solichah Indra Sulania Iqbal Ramadhan Iqbal Ramadhan Iqbal Ramadhan Iqbal Ramadhan, Iqbal Issafira, Radissa Dzaky Jihan Ilvi Nurdiana Jihan Ilvi Nurdiana Juliawan, Enry Kadir, Muhammad Fajar Abdul Kamur, Sudarwin Kashyap, Dr. Rekha Kayalvizhy, E. Khusnul Khotimah Ayuningtiyas Kindriari Nurma Wahyusi Kurniasari, Lolita Kusuma Wardhani Mas’udah Kusuma Wardhani Mas’udah Kusuma, Brillyan L, Irwan Latifiara Zahra Auly Lila Kurnia Damayanti Lolita Kurniasari Lolita Kurniasari Lolita Kurniasari Lolita Kurniasari M. Khadik Asrori Marshanda Afifa Shalsabila Mas'udah, Kusuma Wardhani Masterina Sufiati Farid Maya, Ni Made Maylita D.J, Dea Meena, Pramod Kumar Meena, R.C. Miftahul Janah Miftahul Jannah Mochammad Shaifullah Indrawanto Mohamad Sholikin Muhammad Agus Ainur Rosyid Muhammad Agus Ainur Rosyid Muhammad Firdaus Kamal Muhammad Firdaus Kamal Muhammad Hakam Muhammad Syaiful Mukamto Nabilla Candrahanifa Nabillla Candrahanifa Nadiya Kamilalita Nadiya Kamilalita Namira Naniek Ratni Juliardi A.R Ni Made Maya Ni Made Maya Febriana Ramadhany Ni Made Maya Febriana Ramadhany Nicken Elok Arohmah Nisa', Syadzadhiya Qothrunada Zakiyayasin Nisa, Syadzadhiya Q.Z. Nisa, Syadzadhiya Qothrunada Zakiyayasin Novembrianto, Rizka NUGROHO, RR. GALUH RETNO CAHYANING Nur Aini Fauziyah Nur Aini Maulidifa Okik Hendrianto Cahyonugroho Okik Hendriyanto Okik Hendriyanto Cahyonugroho Okik Hendriyanto Cahyonugroho Okik Hendriyanto Cahyonugroho Okik Hendriyanto Cahyonugroho Okik Hendriyanto Cahyonugroho Okik Hendriyanto Cahyonugroho P. Pazhanisamy P. Pazhnaisamy Pachwarya, Ram Babu Pazhanisamy, P. Pazhnaisamy, P. Praditya Sigit Ardisty Sitogasa Pramod Kumar Meena Priyadarshini, Rossyda Puspitasari, Ratna Endah Dwi Putri Nadia Berliana Putri Redita Rositasari Q Z N, Syadzadhiya R.C. Meena Ram Babu Pachwarya Ram Babu Pachwarya Ramanathan, A.L. Reva Edra Nugraha Risnawati Risnawati Rizki Aziz Rizki Aziz Al Firdaus Rizki, Azizah Mahirah Rosariawari, Firra Rositasari, Putri Redita Sabrinatus Amalia Gustannanda Safrilia, Savira Savira Safrialia Savira Safrilia Savira Safrilia Savira Safrilia Septi Ika Nurfadila Setyoningrum, Rahmadiah Indah Shofi Nasyi&#039;atul Hikmah Sholikin, Mohamad Silvana Dwi Nurherdiana Sissar Eka Bimantara Steven Pohan Sulania, Indra Susilowati Syadzadhiya Qothrunada Zakiyayasin Nisa Syahrul Munir Timothy Blessing urniawan, Ahmad Triantono K Valentino Rizkiar Pradana Wisnu Setyabudi Yayok Surya Purnomo Yayok Suryo Purnomo Yorvan Anandadiva Yuliatin Ali Syamsiah