Characterization Sludge from Drying Area and Sludge Drying Bed in Sludge Treatment Plant Surabaya City for Waste to Energy Approach

Septiariva, Iva Yenis; Suryawan, I Wayan Koko; Zahra, Nurulbaiti Listyendah; Putri, Yika Nabila Kharisma; Sarwono, Ariyanti; Qonitan, Fatimah Dinan; Lim, Jun Wei

doi:10.12911/22998993/150061

Cited by 15 publications

(11 citation statements)

References 15 publications

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“…The ultimate analysis was carried out to determine the chemical composition of elements, including levels of C, H, O, and N. The main components that are most important in combustion are the elements carbon and hydrogen. Carbon and hydrogen are the main combustion elements and correlate with heating values [23], [24]. An exothermic reaction between carbon and hydrogen with oxygen produces CO2 and H2O during combustion.…”

Section: Resultsmentioning

confidence: 99%

Prediction of recovery energy from ultimate analysis of waste generation in Depok City, Indonesia

Sari

Septiariva²,

Fauziah³

et al. 2023

IJECE

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<span lang="EN-US">Refuse derived fuel (RDF) is an environmentally friendly renewable fuel developed to reduce waste generation. RDF can consist of various kinds of waste such as paper and gardens. One of the critical parameters is the chemical element and calorific value. The purpose of this study was to determine the potential for waste reduction and the relationship of ultimate longevity in RDF to the calorific value. This study's paper and garden waste mixture were P0 (100% paper), P25 (75% paper and 25% garden), P50 (50% paper and 50% garden), P75 (25% paper and 75% garden), and P100 (100% garden). The calorific value of the mixture can reach 3.6-5.2 kWh/kg. Simultaneously the relationship of ultimate elements nitrogen (N), hydrogen (H), oxygen (O), and ash affects the heating value of RDF. Sampling the application in Depok City can reduce waste by 6.67%, with the potential for electrical energy from paper and garden wastes of 358,903.8 kWh and 48,681 kWh, respectively. This shows that this energy waste can supply 0.1% of the total daily electricity demand in Depok City.</span>

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Section: Resultsmentioning

confidence: 99%

Prediction of recovery energy from ultimate analysis of waste generation in Depok City, Indonesia

Sari

Septiariva²,

Fauziah³

et al. 2023

IJECE

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“…In general, plastic waste cannot be converted directly into electrical energy but is first converted into liquid, solid, or gas fuel, then converted into electrical energy using a generator. Several technologies can convert plastic and biomass waste into fuel, including conversion to solid fuel, liquid fuel, and conversion to gas fuel (Cheong et al, 2022;Gasim et al, 2022;Koko et al, 2022;Raksasat et al, 2021;Septiariva et al, 2022;Suryawan et al, 2022). Overall, the use of marine plastic debris in Jakarta can indeed supply 0.05% of Jakarta's total annual energy demand if carried out.…”

Section: Resultsmentioning

confidence: 99%

Potential Utilization of Plastic River Debris as Electricity Power Plant in Jakarta, Indonesia

Sari

Inoue

Harryes

et al. 2022

IJSEI

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River debris is the main problem from the negative impact of poor waste management. The composition of river debris in Jakarta consists mostly of plastic waste. Plastic waste from river debris has an opportunity for energy recovery. This study aimed to see the potential for utilizing river debris in energy recovery in power plants. This research was conducted at three sampling shelter points in Pesing, Pluit, and Perintis. Waste generation and composition were quantified using the load count method on Indonesian state standards for seven consecutive days. River debris generation in Pesing, Pluitm, and Pernting averaged 7.2; 3; and 1.8 tons/day. More than 60% (w/w) of plastic bag waste was found in the Pesing and Pluit shelters, while 67.3% was found in the Perintis shelter. Based on the calorific value of each plastic waste, the energy potential from plastic waste recovery can reach 16,197,109 kWh/year. This is equivalent to an electricity supply of 0.05% of the total electricity demand in Jakarta.

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“…When the water content ratio to biodegradable organic matter is too high, the heat generated from the biodegradation process is insufficient to evaporate the water. On the other hand, the waste degradation process (high water content) will produce more leachate and decrease caloric value [23][24][25].…”

Section: Resultsmentioning

confidence: 99%

Vegetable Waste Biodrying Treatment for Energy Recovery as Refuse Derived Fuel Potential

Septiariva

Suryawan²,

Sari³

2022

J. Tek. Kim. Ling

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Sampah sayuran merupakan jenis sampah organik biodegradable yang dapat ditemukan di setiap lokasi di Indonesia. Selain itu, timbunan sampah sayuran juga mendominasi sampah makanan. Pemanfaatan lebih lanjut sampah sayuran salah satunya dapat menggunakan pemulihan energi. Pemulihan energi sampah sayuran dapat dilakukan dengan biodrying yang tergantung dengan waktu dan bioaktivator. Tujuan dari studi ini adalah untuk mengetahui pengaruh waktu dan pemberian aktivator pada proses biodrying sampah sayuran. Penelitian ini menggunakan sampah seberat 0,5 kg dengan pemberian laju alir udara 15 liter/menit, suhu pada proses berada pada rentang 28,4-34,1°C. Biodaktivator yang digunakan dalam penelitian ini adalah ragi roti, tempe, dan tape. Penurunan massa maksimum terjadi pada proses biodrying dengan penambahan bioaktivator. Hasil uji pengaruh pada multivariate menunjukkan adanya pengaruh waktu dan bioaktivator pada perubahan nilai kadar air dan nilai kalor. Akan tetapi, interaksi antara waktu dan bioaktivator hanya berpengaruh pada kadar air. Hal ini karena proses degradasi terjadi memanfaatkan mikroorganisma yang tersimpan di dalam cairan bioaktivator dan air dalam sampah sayuran. Penelitian lebih lanjut diperlukan untuk mengetaui lebih jelas pengaruh variabel lain dalam proses biodrying terutama pada waktu detensi yang tepat dan bioaktivator yang mempercepat laju degradasi.Vegetable waste is a type of biodegradable organic waste found in every location in Indonesia. In addition, vegetable waste also dominates food waste. One of the ways to use vegetable waste is to use energy recovery. Energy recovery of vegetable waste can be done by time-dependent biodrying and bioactivator. This study aimed to determine the effect of time and activator application on the vegetable waste biodrying process. In this study, 0.5 kg of waste is used with an airflow rate of 15 liters/minute, the temperature in the process is in the range of 28.4-34.1°C. The bioactivators used in this study were baker's yeast, tempeh, and tape. The maximum decrease in mass occurs in the biodrying process with the addition of a bioactivator. The multivariate effect test results showed an effect of time and bioactivator on changes in water content and caloric value. However, the interaction between time and bioactivator only affects the water content. This is because the degradation process occurs utilizing microorganisms stored in the bioactivator liquid and water in vegetable waste. Further research is needed to know the effect of other variables in the biodrying process, especially the right detention time and bioactivators that accelerate the rate of degradation.

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Characterization Sludge from Drying Area and Sludge Drying Bed in Sludge Treatment Plant Surabaya City for Waste to Energy Approach

Cited by 15 publications

References 15 publications

Prediction of recovery energy from ultimate analysis of waste generation in Depok City, Indonesia

Prediction of recovery energy from ultimate analysis of waste generation in Depok City, Indonesia

Potential Utilization of Plastic River Debris as Electricity Power Plant in Jakarta, Indonesia

Vegetable Waste Biodrying Treatment for Energy Recovery as Refuse Derived Fuel Potential

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