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All Journal Biopendix: Jurnal Biologi, Pendidikan dan Terapan Jurnal Biogenerasi
Nilan Sari, Marlinda
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Biochemistry, Genetics & Molecular Biology Education Languange, Linguistic, Communication & Media Other

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EFEKTIVITAS BIOREMEDIASI MENGGUNAKAN BAKTERI Pseudomonas UNTUK MENURUNKAN KADAR COD LIMBAH ORGANIK DI PABRIK CINCAU KOTA MEDAN Safitri, Dian; Reulina, Yohana; Sebayang, Agnes; Pinaring, Nabila; Nilan Sari, Marlinda; Febriyosa, Adelia
BIOPENDIX: Jurnal Biologi, Pendidikan dan Terapan Vol 11 No 2 (2025): Biopendix: Jurnal Biologi, Pendidikan & Terapan
Publisher : Program Studi Pendidikan Biologi FKIP Unpatti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/biopendixvol11issue2page161-167

Abstract

Background: Environmental pollution, especially due to organic waste from the food industry, is a serious problem in today's society. Waste from grass jelly factories contains high organic content which causes an increase in Chemical Oxygen Demand (COD) and has the potential to pollute water and ecosystems. This study aims to evaluate the effectiveness of Pseudomonas bacteria as a bioremediation agent in reducing COD levels in grass jelly factory waste. Methods: The methods used consisted of observational and experimental, with testing carried out at the Microbiology Laboratory, State University of Medan. Results: The results showed that after 14 days of treatment, COD levels decreased from 195.75 mg/L to 154.73 mg/L, indicating a decrease of around 20.9%. Conclusion: This study concludes that Pseudomonas bacteria are effective in reducing organic pollution in grass jelly factory waste, so they have the potential to be applied in industrial waste management.
Efektivitas Tanaman Genjer (Limnocharis flava) Sebagai Agen Fitoremediasi Penyerapan Fosfat Pada Air Limbah Laundry Di Kota Medan Nai Fitri Rambe, Anggi; Ivanka, Della; Olivia Anastasya Silaban, Maria; Junetti Rajagukguk, Teresia; Nilan Sari, Marlinda; Febriyossa, Adelia
Jurnal Biogenerasi Vol. 9 No. 2 (2024): Volume 9 Nomor 2 tahun 2024 periode (Juni 2024 - September 2024)
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/biogenerasi.v9i2.4754

Abstract

This research aims to determine the effectiveness of the genjer plant (Limnocharis flava) in absorbing phosphate pollutants contained in laundry wastewater and to identify environmental factors that influence the effectiveness of the genjer plant (Limnocharis flava) in absorbing phosphate pollutants from laundry wastewater. The study was conducted in the Greenhouse of the Biology Department, Universitas Negeri Medan, using the constructed wetland method with variations in laundry wastewater concentrations (25%, 50%, 100%) and clean water as the control. The sample was taken from a laundry business on Jl. Tuasan, Medan City. Over 7 days of observation, parameters such as pH, temperature, turbidity, and the physical condition of the genjer plants were monitored. The results showed that genjer plants were effective in absorbing phosphate, with reduced turbidity and stabilized pH and temperature, with the 50% concentration treatment being the most optimal. This research is expected to serve as a reference for the application of phytoremediation technology using genjer plants (Limnocharis flava) as an environmentally friendly alternative for laundry wastewater treatment
TANAMAN TALAS AIR (Colocasia Esculenta (L.) Schott var. aquatilis Hassk) SEBAGAI AGEN FITOREMEDIASI PADA AIR LIMBAH SELOKAN Putri Situmorang, Erika; Maya Citra Saragih, Dara; Wahyu Ananda, Luthfi; Ridho Shirfa Hana, Muhammad; Nilan Sari, Marlinda; Febryossa, Adelia
Jurnal Biogenerasi Vol. 9 No. 2 (2024): Volume 9 Nomor 2 tahun 2024 periode (Juni 2024 - September 2024)
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/biogenerasi.v9i2.4766

Abstract

The aims of this research was to the determine the effectiveness of the taro plant (Colocasia esculenta (L.) Schott var. aquatilis Hassk) as a phytoremediation agent in treating domestic wastewater. Wastewater taken from the sewer in Williem Iskandar, Percut Sei Tuan District was analyzed using parameters such as pH, TDS, temperature and turbidity. The method used is constructed wetland, by placing taro plants in containers filled with sewer water in volumes (2.5 L, 5L, 7.5L and 10 L). Observations were carried out every other day for 6 days. The research results showed that after phytoremediation, the water quality experienced changes, indicating that the taro plant was effective in absorbing pollutants and improving water quality.
Co-Authors Adelia Febriyossa Dian Safitri Febriyosa, Adelia Febryossa, Adelia Ivanka, Della Junetti Rajagukguk, Teresia Maya Citra Saragih, Dara Nai Fitri Rambe, Anggi Olivia Anastasya Silaban, Maria Pinaring, Nabila Putri Situmorang, Erika Reulina, Yohana Ridho Shirfa Hana, Muhammad Sebayang, Agnes Wahyu Ananda, Luthfi