• Efisiensi Penurunan Fosfat Limbah Cair Buatan Menggunakan Mikroalga Chlorella Sp 

  Sitepu, Luna Itasari br (Universitas Sumatera Utara, 2025)

  Water is an essential component of life, so living things cannot survive without it. One chemical that can cause a decline in water quality is phosphate. Liquid waste containing high concentrations of phosphate, if discharged ...

• Pengaruh Variasi Kitosan Terhadap Karakteristik Mekanik Bioplastik Berbasis Pati Dari Biji Karet (Hevea Brasiliensis) 

  Bazikho, Yuli Yarna (Universitas Sumatera Utara, 2025)

  This study aims to analyze the effect of chitosan variation on the mechanical and physical properties of starch-based bioplastics derived from rubber seeds (Hevea brasiliensis). Bioplastics were prepared using the ...

• Potensi Pemanfaatan Gas Metana (CH4) di TPA Kota Tanjungbalai sebagai Pembangkit Listrik 

  Siagian, Asnil Mawaddah (Universitas Sumatera Utara, 2025)

  The Tanjungbalai City Landfill (TPA) is the only final waste processing facility in Tanjungbalai City, covering an area of approximately 5 hectares. The amount of waste entering the Tanjungbalai City Landfill in 2024 is ...

• Studi Potensi dan Strategi Pengembangan Ekowisata Berkelanjutan Ditinjau Melalui Pendekatan Valuasi Lingkungan pada Kawasan Wisata Alam Juma Lau dan Air Terjun Sikulikap, Kecamatan Sibolangit, Kabupaten Deli Serdang 

  Bangun, Amelia Gusnarisa Br (Universitas Sumatera Utara, 2025)

  This study was conducted at Juma Lau Nature Tourism and Sikulikap Waterfall, located in Sibolangit Subdistrict, Deli Serdang Regency. Both destinations have significant potential in natural resources but face environmental ...

• Analisis Pengaruh Banjir Rob Terhadap Kondisi Sosial, Ekonomi, dan Lingkungan Hidup Masyarakat Bagan Deli Belawan 

  Lubis, Mas Inka Khairunnisa (Universitas Sumatera Utara, 2025)

  Tidal flooding (rob) is a significant environmental problem in coastal areas, including Bagan Deli Village, Medan Belawan. This study aims to analyze the impact of tidal flooding on the social, economic, and environmental ...

• Kajian Daya Tampung Beban Pencemaran Sungai Deli Bagian Tengah dengan Pemodelan Qual2kw 

  Repiansa, Eyzekita (Universitas Sumatera Utara, 2021)

  The middle part of the Deli River is a densely populated area where people who live along the banks of the Deli river are one of the causes of pollutant sources for the Deli river input. Control of water pollution in the ...

• Studi Potensi Pengembangan Kawasan Wisata Pantai Marisa Kabupaten Nias Utara Sebagai Kawasan Ekowisata dan Pilar Ekonomi Biru 

  Zai, Panelis (Universitas Sumatera Utara, 2025)

  Indonesian tourism has developed significantly due to its significant contribution to the Indonesian economy. Marisa Beach in North Nias Regency has significant potential as a coastal ecotourism area that supports ...

• Pengolahan Limbah Ranting Kayu menjadi Pelet Biomassa dengan Pengikat Alami dari Limbah Kulit Singkong 

  Azizi, Sulthan Abi (Universitas Sumatera Utara, 2025)

  Wood branch waste and cassava peel waste are organic waste whose amount continues to increase every year, but their utilization is not optimal, resulting in accumulation that causes aesthetic damage and odor from the ...

• Analisis Spatiotemporal Total Suspended Solid (TSS) dan Klorofil-A di Danau Toba Menggunakan Google Earth Engine dan Citra Sentinel-2 sebagai Dukungan bagi Pengelolaan Kawasan UNESCO Global Geopark 

  Siburian, Putri Tio Melisa (Universitas Sumatera Utara, 2025)

  Lake Toba, the world's largest volcanic lake, has been recognized as a UNESCO Global Geopark since 2020 and a Super Priority Tourism Destination (DPSP). The decline in water quality, marked by an increase in nutrients and ...

• Analisis Hubungan Reversible antara ISO 14001 dan ISO 45001 terhadap Program Health, Safety, and Environment (HSE) di PT. Samudra Oceaneering 

  Siahaan, Grace Elizabeth (Universitas Sumatera Utara, 2025)

  PT Samudra Oceaneering has effectively implemented ISO 14001 and ISO 45001 to create a safe, healthy, and environmentally friendly work environment. The Health, Safety, and Environment (HSE) implementation is also ...

• Studi Kualitas Air Permukaan dan Penentuan Indeks Pencemaran Air di Sungai Sei Mencirim Kota Binjai 

  Pane, Muhammad Adil Fadhly (Universitas Sumatera Utara, 2025)

  This study analyzes the water quality of the Mencirim River in Binjai City using parameters like Dissolved Oxygen (DO), Chemical Oxygen Demand (COD), Total Suspended Solids (TSS), Biological Oxygen Demand (BOD), E-Coli, ...

• ANALISIS HUBUNGAN REVERSIBLE ANTARA ISO 14001 DAN ISO 45001 TERHADAP PROGRAM HEALTH, SAFETY, AND ENVIRONMENT (HSE) DI PT. SAMUDRA OCEANEERING 

  Siahaan, Grace Elizabeth (Universitas Sumatera Utara, 2025)

  ISO 14001 and ISO 45001 have an important role in the management of the environment also health and safety. Both standards have complementary roles in supporting HSE. This research analyzes reversible relationship ...

• Analisis Potensi Rawan Longsor Untuk Menentukan Jalur Evakuasi di Kecamatan Dolat Rayat Kabupaten Karo Menggunakan GIS 

  Tarigan, Antonius Rolando (Universitas Sumatera Utara, 2025)

  The observation location in this study was Dolat Rayat District, Karo Regency. Dolat Rayat District is one of the Districts in Karo Regency that has a fairly high frequency of landslides, namely 5 incidents in the last ...

• Pengaruh Aktivitas Masyarakat terhadap Kualitas Air Berdasarkan Musim di Danau Toba Kecamatan Silahisabungan Kabupaten Dairi 

  Widani, Cut Faisya (Universitas Sumatera Utara, 2025)

  Water quality plays a crucial role in sustaining the functions of aquatic ecosystems as vital resources for human and ecological life. Lake Toba, the largest volcanic lake in Southeast Asia, is currently facing water quality ...

• Analisis Kualitas Air di Danau Toba Desa Silalahi Kecamatan Silahisabungan Provinsi Sumatera Utara 

  Gunawan, Hadi (Universitas Sumatera Utara, 2025)

  Lake Toba is a large natural lake in North Sumatra, located in North Sumatra Province, Indonesia.The presence of activities such as power generation, fish farming, tourism, and domestic use can affect the Lake Toba ...

• Analisis Durabilitas Penggunaan Produk Bioplastik dari Limbah Batang Kelapa Sawit 

  Sihombing, Alicia H R (Universitas Sumatera Utara, 2025)

  The increasing use of conventional plastics has raised serious concerns for the environment. Bioplastics, as an eco-friendly alternative, are attracting much attention. This study aims to analyze the durability characteristics ...

• Pengaruh Variasi Konsentrasi Isosianat terhadap Sifat Fisik dan Mekanik Papan Partikel dari Limbah Produksi Bioplastik Batang Kelapa Sawit 

  Hafizh, Wan (Universitas Sumatera Utara, 2025)

  The purpose of this study is to utilize waste stem powder from bioplastic production from oil palm trunks and maximize the potential utilization of bioplastic production waste from oil palm trunks. This study focuses on ...

• Analisis Laju Biodegradasi Bioplastik Berbasis Pati Limbah Batang Kelapa Sawit Di Dalam Media Tanah Dan Air 

  Asmara, Aura Mayhani (Universitas Sumatera Utara, 2025)

  The consumption of plastic bags continues to increase in line with the growing needs of society and the rising plastic production by industry. As a result, the more people use plastic, the more plastic waste pollution ...

• Analisis Pengaruh Kerusakan Hutan Mangrove terhadap Perubahan Garis Pantai dan Upaya Pengendaliannya di Desa Pintu Air Kecamatan Pangkalan Susu 

  Al-Amien, Muhammad Gymnasti (Universitas Sumatera Utara, 2024)

  Mangrove forests are tropical forests that grow along coastlines and river estuaries. One of the functions of mangroves is to bind sediment and prevent seawater intrusion. Shifting coastlines due to reduced mangrove density ...

• Pemetaan Dispersi SO2 (Sulfur Dioksida) dan NO2 (Nitrogen Dioksida) dari Cerobong Boiler dengan Metode Model Gausiaan Dispersion di Pabrik Kelapa Sawit 

  Silaban, Michael Aldrin (Universitas Sumatera Utara, 2024)

  Palm Oil Mill (POM) PT. Perkebunan Nusantara IV Dolok Ilir is a company engaged in the palm oil industry. In its operational activities, PKS Dolok Ilir uses boilers and produces major gas pollutants such as Sulfur Dioxide ...

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