Ni Nyoman Nepi Marleni

Ni Nyoman Nepi Marleni
Universitas Gadjah Mada | UGM · Department of Civil and Environmental Engineering

PhD

About

15
Publications
4,319
Reads
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204
Citations
Citations since 2016
8 Research Items
177 Citations
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2016201720182019202020212022051015202530
Introduction
Nyoman Marleni currently works at the Gadjah Mada University, Indonesia. Nyoman does research in Civil and Environmental Engineering. Her most recent publication is 'In-situ evaluation of predictive models for H2S gas emission and the performance of optimal dosage of suppressing chemicals in a laboratory-scale sewer'.Her research interest is in the field of wastewater biotransformation and wastewater resource recovery.

Publications

Publications (15)
Article
Full-text available
The Special Region of Yogyakarta is one of the areas impacted by the 2006 earthquake which damaged vital infrastructures, including water distribution networks (WDN). The vulnerability of these networks increases because the design process does not consider the mitigation strategy of natural disasters. This region does not have any tools to estimat...
Article
Full-text available
The city of Magelang is having trouble providing Final Disposal Sites (TPA), as the Banyuurip TPA's storage capacity has reached its limit and expansion is no longer possible. The only approach to reduce garbage production and residue transferred to landfills is to engage the community and all other stakeholders in waste management. This program in...
Article
Full-text available
Declining natural resources and increasing environmental contamination due to human activities trigger people to consider a sustainable way to solve two problems in a solutive practice. Many households in Indonesia mostly discharge their greywater directly to the surface water, which pollutes the water and environment around it. On the other hand,...
Article
Full-text available
Wastewater contains water, nutrients, and energy resources, which can be recovered for human activities. Product from wastewater is one of the solutions to provide energy and food security amidst the looming energy and fertilizer crisis. Unfortunately, wastewater treatment plants in developing countries are often designed not to accommodate the con...
Article
Full-text available
The growth of urbanization, industrialization, and economic development in many areas in Indonesia contributes to the rise of particulate matter (PM) in the atmosphere. PM is strongly correlated with the severe air pollution that can lead to several health problems and early mortality. Other than continuous concentration monitoring, a good understa...
Article
Ruang Terbuka Hijau (RTH) sangat penting untuk suatu perkotaan karena selain menjadi fungsi ekologis, RTH juga dapat memelihara fungsi sosial budaya, dan estetika suatu wilayah perkotaan. Pembuatan RTH di RW 02 Kampung Tulung, Kecamatan Magelang Tengah, Kota Magelang dinilai penting untuk mengimbangi tingginya densitas penduduk ditambah dengan adan...
Article
Full-text available
Wastewater has been recognized as a resource due to its large quantities, and it contains many valuable resources that can be converted into valuable material. Reusing or recovering resources from wastewater can reduce the environmental footprint of wastewater treatment, minimize the contamination and ensure the availability of valuable resources f...
Article
Produksi sampah plastik di Indonesia mencapai 5.4 juta ton per tahun. Berdasarkan data statistik persampahan domestik Indonesia jumlah sampah plastik tersebut sebesar 14% dari total produksi sampah di Indonesia. Pemanfaatan sampah plastik telah dilakukan dengan cara membuat kerajinan, aspal, dan berbagai produk lainnya. Namun penggunaan plastik unt...
Article
This in-situ analysis quantifies hydrogen sulfide gas emission from a simulated sewerage system, with varying slopes between 0.5% and 1.5%, under the dosing of certain mitigating chemicals. A portable H2S gas detector (OdaLog) was employed to record the gaseous phase concentration of hydrogen sulfide. The investigation was comprised of three interr...
Article
Sewer odour and corrosion is caused by the reduction of sulphide ions and the release of hydrogen sulphide gas (H2S) into the sewer atmosphere. The reduction of sulphide is determined by its dissipation rate which depends on many processes such as emission, oxidation and precipitation that prevail in wastewater environments. Two factors that mainly...
Article
Due to frequent droughts and rapid population growth in urban areas, the adoption of practices to reduce the usage of fresh water is on the rise. Reduction in usage of fresh water can be achieved through various local water management practices (WMP) such as Water Demand Management (WDM) and use of alternative water sources such as Greywater Recycl...
Article
Hydrogen sulphide (H2S) gas emission in sewer networks is associated with several problems including the release of dangerous odour to the atmosphere and sewer pipe corrosion. The release of odour can endanger public health and corrode sewer pipe walls. Sewer corrosion has the potential to cost water utilities millions of dollars to maintain and re...
Article
Predicting hydrogen sulphide concentration in sewer network through modelling tools will be beneficial for many stakeholders to design appropriate mitigation strategies. However, the hydrogen sulphide modelling in a sewer network is crucially dependent on the hydraulic modelling of the sewer. The establishment of precise hydrogen sulphide and hydra...
Article
Full-text available
Prolonged drought which has occurred everywhere around the world has caused water shortages, leading many countries to consider more sustainable practices, which are called source management practices (SMPs) to ensure water availability for the future. SMPs include the practices of water use reduction, potable water substitution and wastewater volu...

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