Estimation of Potential Greenhouse Gas Emission in Semanggi Centralized Wastewater Treatment Plant, Surakarta City

Fatika, Ikrima Irza (2024) Estimation of Potential Greenhouse Gas Emission in Semanggi Centralized Wastewater Treatment Plant, Surakarta City. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Greenhouse gas emissions from the waste sector come from solid waste management and liquid waste management. In centralized domestic wastewater treatment plant, there are two main sources of greenhouse gas emissions, direct emissions and indirect emissions. Domestic wastewater processing has the potential to produce greenhouse gas emissions such as CH4, N2O, and CO2. Direct greenhouse gas emissions of CH4 and N2O can be produced biologically and emitted in sewers and at wastewater treatment plant. Indirect greenhouse gas are CO2 emissions originating from electricity consumption, burning fuel for transportation, use of chemicals, and sludge disposal. Semanggi Wastewater Treatment Plant is the largest WWTP in Surakarta. It consists of grit chamber unit, equalization tank, aeration tank, sedimentation, and sludge drying bed as additional unit. Each of these processing stages has the potential to produce greenhouse gas emission from the processes that occur during processing. Therefore, to manage the environmental impact of wastewater treatment plants and monitor their contribution to climate change, it is necessary to carry out greenhouse gas inventories. In this research, the estimation of greenhouse gas emission only focuses on the wastewater treatment system at Semanggi WWTP based on the 2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories. The data used were primary data obtained from discussions with the parties responsible for understanding the WWTP field conditions and collecting wastewater samples from the influent and effluent of each unit to determine the characteristics of wastewater through laboratory testing. Secondary data needed include the number of house connections, wastewater discharge, and electricity consumption for processing. From this data, the estimated results of potential greenhouse gas emissions for the grit chamber unit are 0.02 ton CO2e/year for CH4 emissions and 0.64 ton CO2e/year for N2O emissions. The tank equalization unit is 0.06 ton CO2e/year for CH4, 0.63 ton CO2e/year for N2O, and 24.26 ton CO2e/year for CO2. The aeration tank unit is 1.61 ton CO2e/year for CH4, 3.94 ton CO2e/year for N2O, and 9.24 ton CO2e/year for CO2. The sedimentation tank unit is 0.71 ton CO2e/year for CH4, 0.84 ton CO2e/year for N2O, and 1.50 ton CO2e/year for CO2. To overcome greenhouse gas emissions can be done by capturing emissions, optimizing wastewater treatment process, replacing the energy used for electricity with renewable energy, and planting trees that have high ecological value and carbon absorbing capacity.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Emission, Greenhouse Gas, IPCC Guideline, WWTP
Subjects:	T Technology > TD Environmental technology. Sanitary engineering > TD171.75 Climate change mitigation
Divisions:	Faculty of Civil, Planning, and Geo Engineering (CIVPLAN) > Environmental Engineering > 25201-(S1) Undergraduate Thesis
Depositing User:	Ikrima Irza Fatika
Date Deposited:	19 Aug 2024 01:53
Last Modified:	19 Aug 2024 01:53
URI:	http://repository.its.ac.id/id/eprint/109886

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