Impact of waste processing byproducts on the carbon footprint of integrated waste-to-energy strategies

JEJAK KARBON PENGOLAHAN SAMPAH DI tps tlogomas malang Carbon Footprint of Solid Waste Processing At TPS Tlogomas MalangSunarto1, Sudharto P. Hadi2, Purwanto31,2,3Program Doktor Ilmu Lingkungan Universitas DiponegoroAlamat korespondensi : Jl. Imam Bardjo, SH No. 3 Semarang 50241Email: 1) [email protected], 2) [email protected] sector is one of human activities that cause global warming. Decomposition of organic waste in landfill produces greenhouse gas emissions in the form of biogas consisting of methane and carbon dioxide. Solid waste processing in transfer station in the form of recycling and composting product potentially reduce carbon footprint, directly from the reduction in the volume of waste dumped in landfill and indirectly from the recovery of material. The purpose of this study was to determine the carbon footprint of waste processing at the transfer stations of Tlogomas Malang if developed several scenarios to enhance the capacity of processing. Life cycle approach is used to assess carbon footprint of waste management scenarios with the help of software SWM-GHG Calculator. The results showed that the processing of solid waste at current recycling rate of 40,57% – 80,41% (Status Quo) resulted in net carbon footprint of 1.147 ton CO2–eq /year. Increasing of processing capacity to 60 - 88% (Scenario 1) and 90 - 95% (Scenario 2) would reduce net carbon footprint to 801 ton CO2–eq /year and427 ton CO2–eq/year respectively. If the processing of waste in transfer station of Tlogomas was discontinued (Scenario 3), net carbon footprint increased to 4,063 t CO2-eq/year.Keywords: carbon footprint, greenhouse gases, solid waste processing, life cycle analysis.AbstrakSektor persampahan merupakan salah satu kegiatan manusia yang menyebabkan pemanasan global. Proses dekomposisi sampah organik pada timbunan sampah menghasilkan emisi gas rumah kaca berupa biogas yang terdiri atas gas methana dan gas karbon dioksida. Pengolahan sampah di TPS untuk produk daur ulang dan kompos berpotensi mereduksi jejak karbon secara langsung dari penurunan volume sampah yang dibuang ke TPA dan secara tidak langsung dari pemulihan material sampah. Tujuan penelitian ini adalah untuk mengetahui jejak karbon pengolahan sampah di TPS Tlogomas di Kota Malang jika dikembangkan beberapa skenario pengolahan untuk meningkatkan kapasitas pengolahan sampah yang telah dilakukan selama ini. Pendekatan daur hidup digunakan untuk menaksir jejak karbon dari beberapa skenario pengolahan sampah di TPS dengan bantuan perangkat lunak SWM-GHG Calculator. Hasil analisis menunjukkan bahwa pengolahan sampah pada saat ini dengan tingkat daur ulang sampah sebesar 40,57% – 80,41% (Status Quo) menghasilkan jejak karbon bersih sebesar 1.147 ton CO2–eq/th. Peningkatan kapasitas pengolahan sebesar 60 – 88% (Skenario 1) dan 90 – 95% (Skenario 2) akan menurunkan jejak karbon bersih menjadi masing-masing sebesar 801 ton CO2–eq/th dan 427 t CO2–eq/th. Apabila pengolahan sampah di TPS Tlogomas dihentikan (Skenario 3), jejak karbon bersih yang dihasilkan meningkat menjadi 4.063 t CO2–eq/th.Kata kunci: jejak karbon, gas rumah kaca, pengolahan sampah, analisis daur hidup.

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A Methodological Approach to Assess the Potential of Non-Recycled Waste for Refuse Derived Fuels Material

E3S Web of Conferences ◽

10.1051/e3sconf/202020211003 ◽

2020 ◽

Vol 202 ◽

pp. 11003

Author(s):

Moh Nurhadi ◽

Eddy Prianto

Keyword(s):

Waste Management ◽

Methodological Approach ◽

Calorific Value ◽

Waste To Energy ◽

Waste Materials ◽

Recycling Rate ◽

Waste Processing ◽

Waste Composition ◽

Refuse Derived Fuels ◽

Recycled Waste

Modernization of waste processing through Waste-to-Energy has been a new trend to solve waste management and energy scarcity. This model however it may raise a conflict with recycling activities. This article establishes a methodological approach to assess Non-Recycled Waste for Refuse Derived Fuels materials. The approach is simulated by using calorific value of waste from Semarang Landfill which has calorific value 5,500 to 6,070 kcal/kg and waste composition of Banjarmasin Landfill which has been classified according to recycling perspective. The simulation shows that a low recycling rate (25% plastic and paper taken for recycling) will produce 3,882 kcal/Kg while a high recycling rate (50%) will produce 3,793 kcal/Kg. This simulation successfully calculates that non-recycled waste materials are still potential for RDFs materials.

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Waste to energy implementation using gasification technology in Tinggi Island

E3S Web of Conferences ◽

10.1051/e3sconf/202021103005 ◽

2020 ◽

Vol 211 ◽

pp. 03005

Author(s):

Iwa Garniwa ◽

Ginas Alvianingsih ◽

Vendy Antono

Keyword(s):

Power Plants ◽

Mineral Resources ◽

Electrical Equipment ◽

Waste Utilization ◽

Waste To Energy ◽

Reliability Test ◽

Waste Processing ◽

Safe Limits ◽

Testing Experiment ◽

Gasification Technology

The existence of electricity can encourage the improvement of the quality of life of the community. However, there are several problems with the provision of electricity in remote areas, including difficulties in delivering electrical equipment and fuel. One solution to solve this problem is implementing local waste utilization as fuel for power plants. This study aims to implement Waste to Energy using gasification technology on Tinggi Island, South Bangka. The methods used in this research are to calculate the potential amount of waste, design the equipment specification, make the supporting facilities, and do a testing experiment. Due to the low waste potential in Tinggi Island, local communities’ waste processing is carried out in Toboali. The waste processing stages are sorting, fermentation, chopping, drying, and pressing. The waste pellets from Toboali are sent to the powerhouse in Tinggi Island. From the performance and reliability test in the electrical side, it can be concluded that the voltage and the frequency generated is stable and within the safe limits according to Regulation of the Minister of Energy and Mineral Resources No. 03 of 2007. The consumption of waste pellets needed to generate electricity during the reliability test (75% loading) is ten kg/45 minutes. Through the continuous implementation of waste to energy, Tinggi Island can be electrified all day long and solve the waste problem.

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COCONUT LEAF WASTE PROCESSING WITH BIODRYING PROCESS AS RAW MATERIAL FOR BIOMASS PELLETS IN WASTE TO ENERGY

ASTONJADRO ◽

10.32832/astonjadro.v11i1.5853 ◽

2021 ◽

Vol 11 (1) ◽

pp. 167

Author(s):

Nova Ulhasanah ◽

Ariyanti Sarwono ◽

Michael Yosafaat ◽

Dennis Filippi ◽

Mega Mutiara Sari ◽

...

Keyword(s):

Mass Loss ◽

Calorific Value ◽

Raw Material ◽

Waste To Energy ◽

Waste Processing ◽

Baker's Yeast ◽

Minimum Standard ◽

Research Results ◽

A Value ◽

The Way

<p>Coconut leaf waste is a type of waste that contains a good enough calorific value to be used as raw material for biomass pellets. The minimum standard calorific value of biomass in Indonesia according to SNI 8675:2018 is 16.05 MJ/kg. Meanwhile, based on the research results, the calorific value of coconut leaf waste has a value of 13.34 MJ/kg. The way that can be applied to increase the calorific value is by biodrying. This study aimed to determine the effectiveness of the biodrying process in processing coconut leaf waste. This study use bioactivators in the form of tempe yeast, baker's yeast, and tapai yeast. Mass loss and moisture reduction can be achieved, respectively, 8.25-17.62% and 62.4-65.6%. The calorific value can reach the minimum standard after seven days of processing with a value of 17,995-18,623 MJ/kg.</p>

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