Experimental research of solid waste drying in the process of thermal processing

Bukhmirov, Vyacheslav; Kolibaba, O.B.; Gabitov, R.N.

doi:10.1088/1757-899x/93/1/012006

Cited by 2 publications

(4 citation statements)

References 1 publication

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“…Solar drying also has a relatively small environmental impact. While another study explained that the application of a thermal dryer was able to reduce the relative humidity along with heating temperature [11]. In the application of bio-drying, between developed and developing countries there are also differences in results.…”

Section: Msw Characteristicmentioning

confidence: 99%

“…The selection of the drying system was carried out based on a literature study by comparing the methods of bio drying, bio stabilization, thermal drying, and solar drying. The choice of drying method was based on the results of studies from Ragazzi (2007), He (2009), Toshniwal (2013), Bukhmirov (2015), and Tun & Juchelkova (2019). The comparison of the four methods is based on the variable drying time, drying temperature, moisture reduction, waste weight reduction, waste volume reduction, and humidity.…”

Section: Msw Characteristicmentioning

confidence: 99%

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Modular incinerator with pre-treatment plant for municipal solid waste treatment in the super-priority tourism destination of Labuan Bajo Indonesia

Purwanta

Prawisudha

Juangsa

et al. 2022

IOP Conf. Ser.: Earth Environ. Sci.

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One of the competitiveness parameters of tourist destinations is the cleanliness index. Labuan Bajo as a super-priority tourist destination has a very serious municipal solid waste (MSW) problem. Waste generation in Labuan Bajo and Komodo National Park in 2020 reached 14.06 tons/day and is projected to be 15.51 tons/day in 2023. The main sources of MSW come from settlements, hotels, traditional markets, and seaports. The current MSW management system is that waste is collected from the source and then transported to a temporary storage tank to be transported by truck to the Warloka landfill. This system poses a threat in the form of shortening the service life of the landfill. Management through recycling is still a very low percentage because the recycling ecosystem has not yet developed. One alternative for MSW management that is currently being carried out by the central government in Labuan Bajo is to implement a modular incinerator. This paper describes the process of designing and operating a test incinerator with a combustion capacity of 20 tons/day consisting of 2 lines each with a capacity of 10 tons/day. The incinerator is equipped with a pre-treatment plant consisting of a sorting conveyor, thermal dryer, and storage conveyor. The incinerator furnace consists of two chambers and each is equipped with a burner. This furnace is designed to be able to burn waste with a calorific value of 1300 kcal/kg with a maximum moisture content (MC) of 60%. The test results show that the temperature in the primary chamber can reach a minimum of 800°C and a maximum of 1000°C in the secondary chamber. The burning rate has obtained a maximum of 527 kg/h which means it has passed the initial design of 417 kg/h. To meet emission-quality standards, exhaust gas is processed through flue gas treatment consisting of a cyclone, quencher scrubber, and chimney. Emissions measured by CEMS include parameters of particulates, CO, SO2, and NOx, all of which are below the national emission-quality standards. The heat generated from partial combustion will be channeled to the thermal dryer to reduce MC so that it can reach 40%. The results of burning waste with this incinerator produce fly ash and bottom ash about 4% of the weight of the input waste.

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Section: Msw Characteristicmentioning

confidence: 99%

Section: Msw Characteristicmentioning

confidence: 99%

Modular incinerator with pre-treatment plant for municipal solid waste treatment in the super-priority tourism destination of Labuan Bajo Indonesia

Purwanta

Prawisudha

Juangsa

et al. 2022

IOP Conf. Ser.: Earth Environ. Sci.

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“…Nowadays, various dryers such as bio-drying equipment, solar dryer, green house dryer and thermal dryers are being used for the pretreatment of biodegradable wastes to improve the waste quality. Most studies [35][36][37][38][39][40][41][42] evaluated the waste quality by different drying methods and studied a relationship between moisture reduction and heating value increases of solid wastes. In this paper, the study evaluated the quality of the biodegradable wastes of Yangon city by drying and highlighted a relationship between moisture reduction and weight reduction, moisture reduction and volume reduction, and moisture reduction and heating value increase of the biodegradable wastes of Yangon city.…”

Section: Background Of the Studymentioning

confidence: 99%

“…Therefore, by using a convective drying oven (Han Baek HB-502L) at the drying temperature of 100°C, Nzioka et al [45] gained approximately 40% of moisture reduction of 100-gram mixed waste sample in 30 minutes. In addition to the weight of the samples, the sizes and thickness of the samples, air flow rates, air flow directions, drying temperature, turning effects of waste samples and bulking agents would also affect the drying rates [33,37,40,42,46]. Table 3 shows the results of biodegradable waste samples from four districts and Yangon city at 105 °C during a drying period of 5 hours.…”

Section: (C) Statistical Analysismentioning

confidence: 99%

Evaluation of Biodegradable Waste Quality by Drying for exploring the Possibilities of a Potential Renewable Energy Source in Yangon City, Myanmar

Tun

2018

IJRER

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Biodegradable waste to fuel becomes a potential renewable energy source to gain environmental and economic benefits in the world. To explore the opportunities of a potential renewable energy source from the biodegradable wastes in Yangon city, the study collected 12 different waste samples from the four districts of Yangon and evaluated the composition of the collected wastes. Then, the study assessed their moisture contents by Halogen Moisture Analyzer and dried 23 prepared waste samples (100 grams, 300 grams and 500 grams in mass) by Binder Laboratory Heating and Drying Oven at 105°C. The study also analyzed the effect of moisture reduction in volume reduction, weight reduction and heating value increase of the biodegradable waste samples after drying. The results showed that about 50% of moisture reduction could contribute approximately 25% of volume reduction, 40% of weight reduction and 200% of heating value increase (initially approximately from 3 Mega joules per kilogram to 8 Mega joules per kilogram). Therefore, if drying could be conducted with a renewable source such as solar energy and a waste heat source from industrial sectors, the dried biodegradable wastes could be beneficial in the energy and environment sector of Yangon city. The objective of the study was to estimate the biodegradable waste quality of Yangon city by drying for a future potential renewable energy source.

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Experimental research of solid waste drying in the process of thermal processing

Cited by 2 publications

References 1 publication

Modular incinerator with pre-treatment plant for municipal solid waste treatment in the super-priority tourism destination of Labuan Bajo Indonesia

Modular incinerator with pre-treatment plant for municipal solid waste treatment in the super-priority tourism destination of Labuan Bajo Indonesia

Evaluation of Biodegradable Waste Quality by Drying for exploring the Possibilities of a Potential Renewable Energy Source in Yangon City, Myanmar

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