Article Per Year (5 Year)
p-Index From 2020 - 2025
1.713
P-Index
This Author published in this journals
All Journal Bulletin of Electrical Engineering and Informatics Jurnal Dampak Jurnal Sains & Teknologi Lingkungan Journal of Environment and Sustainability Jurnal Purifikasi JATI EMAS (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat) Jurnal Teknologi Lingkungan Lahan Basah Sewagati
Ervin Nurhayati, Ervin
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Public Health Social Sciences Other

Published : 12 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 12 Documents
Search

 1   2 
Adsorption of Low-Phosphate in Water Using Commercial Fe-based Adsorbents Faris, Salman; Nurhayati, Ervin
Dampak Vol. 22 No. 2 (2025)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/dampak.22.2.113-122.2025

Abstract

Phosphate contamination in aquatic environments has become a serious issue due to its role in eutrophication, leading to excessive algal growth and degraded ecosystems. Anthropogenic activities such as agricultural runoff and wastewater discharge significantly increase phosphate concentrations. Among treatment technologies, adsorption using iron-based adsorbents has shown high efficiency, especially at low concentrations. However, performance is influenced by adsorbent type, particle size, and hydrodynamic conditions. This study evaluated the phosphate adsorption performance of Granular Ferric Hydroxide (GFH) and Bayoxide E33 with particle sizes of 74–149 µm, 37–74 µm, and <37 µm. Batch experiments were conducted with 0.3 mg P/L phosphate solution. The isotherm study was performed over 180 minutes, and the kinetics study extended to 240 minutes. Surface morphology was characterized by SEM, and specific surface area was analyzed using BET, which confirmed that smaller particles exhibited higher surface areas. Results showed that GFH <37 µm achieved the highest adsorption capacity of 7.5 mg/g, while Bayoxide <37 µm reached 6.18 mg/g. The Langmuir model best described the isotherm data, and the Pseudo Second-Order model indicated chemisorption as the dominant mechanism. These findings underscore the importance of optimizing particle size to enhance phosphate removal. Keyword: Adsorption, Bayoxide, GFH, Particle Size, Phosphate
Studi Pemanfaatan Idle Capacity Instalasi Pengolahan Lumpur Tinja (IPLT) Keputih Surabaya Nurhayati, Ervin; Arseto Yekti Bagastyo; Cynthia Dyah Puspitasari; Joko Pramono; Fathyah, Fathyah; Rahayu, Dewi Puji; Subechi, Dya Nur Mangzila
Jurnal Sains & Teknologi Lingkungan Vol. 16 No. 2 (2024): SAINS & TEKNOLOGI LINGKUNGAN
Publisher : Teknik Lingkungan Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jstl.vol16.iss2.art6

Abstract

IPLT Keputih, the only fecal sludge treatment plant in Surabaya City, plays a critical role in the city's sanitation infrastructure. Its operation is critical to manage the fecal sludge generated by Surabaya residents, ensuring that the effluent is effectively treated before being safely discharged to the environment. According to previous studies, IPLT Keputih still has significant untapped potential, especially in the Solid Separation Chamber (SSC) and Grease Trap (GT) units, which have idle capacity that can be optimized to improve overall efficiency. The study involved primary and secondary data collection. Primary data was collected through comprehensive field observations and measurements, while secondary data was obtained from relevant agencies. Data analysis showed that IPLT Keputih currently treats an average of 97.71 m3 of septage per day. However, the facility has an idle capacity of 139.89 m3/day, which indicates a great opportunity to improve utilization. The calculation of the existing idle capacity was conducted based on the maximum discharge of sludge entering the IPLT Keputih in 2022. Several scenarios were developed to fully utilize the idle capacity of the SSC and GT units. The scenarios include the optimization of the SSC unit through improved desludging services, the optimization of the SSC and GT through improved non-fecal sludge management services for restaurants, as well as the implementation of a blended approach to improve the overall service of IPLT Keputih.
Co-Authors Adhi Yuniarto Agus Slamet Alfan Purnomo Ali Masduqi Amalludin, Fahmi Ikhlasul Ariana Ariana Arliyani, Isni Arseto Yekti Bagastyo Aziz, S. Kamilia Bagastyo, Arseto Yekti Bhakti, Lingga Manunggal Bowo Djoko Marsono Cynthia Dyah Puspitasari Dewi Puji Rahayu Eddy Setiadi Soedjono Eko Setiawan Endang Susilowati Fathyah, Fathyah Fauziah, Natasya Febriani Jingga, Azharine Purwa Joko Pramono Kalahari, Bintang Kartika Nuswantara Lahay, Aris Bastian Lin, Jr-Lin Marhendra, Bara Awanda Naura, Zahira Dinda Ni Wayan Suarmini, Ni Wayan Niken Prasetyawati, Niken Novianus R.P, Gabriel Pangestu, Aditya Kurnia Aji Pratama, I Putu Eka Widya Purwanita Setijanti Raditya, Murry Rahman, Dian Arif Rahmawati, Deti Rizal, Moh Najib SALMAN FARIS Saputro, Erwin Adi Septin Puji Astuti Sidik, Fahrudin Subechi, Dya Nur Mangzila Syaharani, Nadia Salwa Tangahu, Bieby Voijant Titah, Harmin Sulistiyaning Utami, Adinda Sih Pinasti Retno Wahyuni, Afrinda Dwi Yulikasari, Andriyan Zafira, Athaya Dhiya