Pengaruh Kerapatan Tanaman Pada Desain Constructed Wetland Tipe Free Water Surface Terhadap Kualitas Sungai Penjemuran

FACHRI, MUHAMMAD and Wardhani, Puteri Kusuma (2025) Pengaruh Kerapatan Tanaman Pada Desain Constructed Wetland Tipe Free Water Surface Terhadap Kualitas Sungai Penjemuran. Undergraduate thesis, Sriwijaya University.

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Abstract

This study aims to examine the extent to which variations in plant density within constructed wetland systems influence the reduction of pollutant content in river water, specifically measured by parameters such as total phosphate, ammonia, and pH. Initial testing showed that total phosphate levels reached 0.81 mg/L, ammonia was recorded at 4.01 mg/L, and pH was measured at 4.41. In this experiment, three levels of plant density were applied: sparse, medium, and dense. Based on the results obtained, the system with medium plant density proved to be the most effective in reducing pollutants, with total phosphate decreasing by 84.56%, ammonia by 2.85%, and pH increasing to 6.81, which meets Class 2 water quality standards (pH range 6–9). Meanwhile, in the system with sparse plant density, total phosphate reduction was recorded at 80.12%, ammonia decreased by 3.35%, and pH reached 6.74. In the system with dense plant density, total phosphate reduction reached 76.17%, ammonia decreased by 2.31%, and pH was recorded at 6.83. This study shows that plant density has a significant influence on optimizing constructed wetland systems to improve river water quality.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Constructed Wetland, Air Sungai, Kerapatan Tanaman
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) > TA170-171 Environmental engineering
Divisions:	03-Faculty of Engineering > 22201-Civil Engineering (S1)
Depositing User:	Muhammad Fachri
Date Deposited:	16 Jul 2025 07:50
Last Modified:	16 Jul 2025 07:50
URI:	http://repository.unsri.ac.id/id/eprint/178787

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