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All Journal Journal Serambi Engineering (JSE) Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil
Syadzadhiya Qothrunada Zakiyayasin Nisa'
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Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering

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Analisis Perhitungan Timbulan Sampah Rumput di Area Perusahaan Migas Nasywa Khalisah Pieter; Syadzadhiya Qothrunada Zakiyayasin Nisa'
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 3 No. 3 (2025): Juli: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipi
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v3i3.846

Abstract

Oil and gas companies generally have large green areas as part of fulfilling environmental and aesthetic obligations in industrial areas. Routine maintenance such as grass cutting produces organic waste that needs to be managed efficiently to prevent negative environmental impacts. This study aims to calculate the generation of grass waste in oil and gas company areas by comparing two methods: direct weighing and sampling methods. The direct weighing method is carried out by collecting and weighing the results of the cutting in a limited area, while the sampling method involves taking samples from several representative points and extrapolating the results to the entire area. The results showed that the average grass waste generation was 0.286 kg/m². With an area of ​​around 1,000 m², the total generation is estimated to reach 286 kg. Both methods have proven to complement each other: direct weighing provides precise data, while the sampling method allows for efficient estimation for larger areas. This data can be used as a basis for planning more adaptive, effective, and sustainable grass waste management, including the use of waste as organic compost that has economic value and is environmentally friendly.
Analisis Timbulan Sampah Vegetasi Semak Belukar dari Pemeliharaan Rutin dengan Metode Sampling Helga Maritza Putri; Syadzadhiya Qothrunada Zakiyayasin Nisa'
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 3 No. 3 (2025): Juli: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipi
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v3i3.847

Abstract

Oil and gas industry activities have the potential to produce high carbon emissions, so Green Open Space (RTH) is needed as an effort to mitigate environmental impacts. Shrub vegetation that grows in RTH areas requires routine maintenance, but this process produces vegetation waste that has not been studied quantitatively. This study aims to analyze the generation of shrub vegetation waste using a sampling method as a basis for sustainable waste management planning. The method used is sampling on a 1 m³ cube-shaped plot in three locations with different vegetation characteristics. Cutting is done manually using simple tools, then the waste produced is put into a measuring box to calculate its volume. The results show that sample point 1 produces 1.00 m³, sample point 2 is 0.50 m³, and sample point 3 is 0.30 m³. The average volume of shrub waste generation is 0.60 m³ per square meter. This data is important for planning the capacity of equipment, labor, and temporary waste disposal locations. In addition, the characteristics of waste that is easy to dry and has a high organic content opens up the potential for reuse as compost or biomass. This method has proven to be effective and efficient in supporting environmentally friendly vegetation waste management strategies as well as part of compliance with environmental regulations such as PROPER.
Pemanfaatan Hydrilla verticillata untuk Menurunkan Konsentrasi Cu2+ pada Air Limbah Pelapisan Logam melalui Variasi Berat Tumbuhan Izzah, Nuril; Amalia, Aussie; Syadzadhiya Qothrunada Zakiyayasin Nisa'
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Liquid waste from metal-plating industries is known to contain copper (Cu²⁺), which is toxic to living organisms if not properly treated. Hydrilla verticillata is an invasive aquatic plant capable of rapid growth and heavy metal accumulation, making it a potential candidate for use in wastewater treatment through phytoremediation. This study aims to analyze the effect of the weight of Hydrilla verticillata on the reduction of Cu²⁺ concentration in metal-plating wastewater. The wastewater used in this study was effluent that had undergone preliminary treatment with the addition of lime and NaHCO₃. The experiments were carried out in a 5-liter laboratory reactor for 15 days, including a 5-day acclimatization period and a 7-day initial toxicity test (Range Finding Test). The weight variations of Hydrilla verticillata used were 75 g, 100 g, and 125 g. The results showed that Hydrilla verticillata was able to reduce Cu2+ concentration by up to 99.05% at a weight of 125 g within 15 days. This indicates that the weight of Hydrilla verticillata significantly influences the reduction of copper (Cu2+) in metal-plating industrial wastewater.
Co-Authors Aussie Amalia Helga Maritza Putri Izzah, Nuril Nasywa Khalisah Pieter