Municipal solid waste processing and separation employing wet torrefaction for alternative fuel production and aluminum reclamation

Mu'min, Gea Fardias; Prawisudha, Pandji; Zaini, Ilman Nuran; Aziz, Muhammad; Pasek, Ari Darmawan

doi:10.1016/j.wasman.2017.05.022

Cited by 37 publications

(20 citation statements)

References 42 publications

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“…Oily liquid waste material discharged into environmental water will float covering the surface of the water [31], [32]. There are two types of surface area shrinkage, depending on the type of oil and time [33]. A layer of oil on the surface will prevent oxygen diffusion, block the sun's rays so that the oxygen content in the water decreases.…”

Section: )mentioning

confidence: 99%

“…The quality and characteristics of soy sauce industry wastewater show that it is suitable to be used for watering plants and discharged into water. The value of organic matter content in the form of carbohydrates and protein [33], [35] states that the character is the value of the elemental content that dominates the quality of liquid waste. The parameters of liquid waste taken in stabilization ponds (station C) have met the quality standard according to the purpose of waters and agriculture.…”

Section: ) Stabilization Analysismentioning

confidence: 99%

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Evaluating Food Waste Handling Using Trios Monitoring System on Soy Industry in Bali, Indonesia

Irianto

Arygunartha

2019

Int. J. Adv. Sci. Eng. Inf. Technol.

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The purpose of this paper is to analyze a series of operational systems for biofilter technology. The object of research is an area of Wastewater Treatment in the food industry Denpasar, Bali. The Trios System Monitoring Method can be analyzed in three stages of the process of pre-treatment, treatment, stabilization, and three treatments. Biology analyzes settings (giving oxygen, feeding the number of food microorganisms F/M/ ratio, speed of waste flow). The analysis shows that biofilter technology is a technology that uses physical and biological treatment without using chemicals. Physical treatment is carried out by filtration, flotation, sedimentation. Biological treatment is carried out by regulating oxygen delivery with aeration period of 24 hours/day, microorganism feeding F/Mg/ BOD/MLSS/day ratio 0.05-0.2 with 100% proven waste flow BOD decreases by 80% pre-stage treatment. The wastewater is forwarded to the biofilter pond and given physical treatment, biological, and tricking filter in speed regulation, treatment process stage, liquid waste originating from conventional ponds is inserted into the aeration pond with aeration period of 6.0-9.0/hour. Feeding microorganisms F/Mg/BOD/day/MLSS ratio 0.2-0.5 with the waste flow 50%, BOD decreased by 85%. Feeding microorganisms F/Mg/BOD/day/MLSS ratio 0.2-0.5 oxygen administration with aeration period of 6.0-9.0/hour, BOD decreased by 85-90%.

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Section: )mentioning

confidence: 99%

Section: ) Stabilization Analysismentioning

confidence: 99%

Evaluating Food Waste Handling Using Trios Monitoring System on Soy Industry in Bali, Indonesia

Irianto

Arygunartha

2019

Int. J. Adv. Sci. Eng. Inf. Technol.

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“…Only banana stem (17.1%) and cabbage (15.01%) were used in the raw sample as the representative of organic waste, and the plastic waste was assumed to be separable as shown in [9] [10]. A 500 g sample of banana stem and cabbage were added with 500 mL and 1500 mL demineralized water and inserted into a 2.5 L reactor.…”

Section: Wet Torrefaction Experimentsmentioning

confidence: 99%

Multi-production of solid fuel and liquid fertilizer from organic waste by employing wet torrefaction process

Prawisudha

Azka

Triyono

et al. 2018

AIP Conference Proceedings

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Abstract. Preliminary survey showed that organic waste from the market is about 18.77%, or second largest in the total waste generation. Its management becomes a challenge, because it is not comprised only of organics but also mixed with small amount of plastics; therefore, conventional biological process will not achieve their maximum efficiency. Wet torrefaction is a thermal process in hot water medium, which will dissolve organic materials into water, effectively converting most solids into liquid product. Banana fruit stem and cabbage were chosen as the mixed organic waste representative, and treated in a 2.5 L reactor using saturated steam in the temperature range of 175 to 225 °C before being analyzed for their heating value in solid products as fuel precursors, and their nitrogen, phosphorus and potassium (NPK) contents in liquid products as liquid fertilizer precursors. It was found that for cabbage, the wet torrefaction process at 200 °C and 90 min resulted in 15.59 MJ/kg product heating value with NPK content of 3.43%. For banana fruit bunch stem, the wet torrefaction process at 225 °C and 30 min resulted in 17.64 MJ/kg product heating value with NPK content of 5.13%. It can be concluded that wet torrefaction process can simultaneously produce solid and liquid product as solid fuel and liquid fertilizer, respectively.

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“…The results obtained were in air dried basis (adb) condition, therefore a conversion to dry base (db) was required using ASTM D 3180 "Calculating Coal and Coke Analyses from As-Determined to Different Bases" standard. The analyzed products were only of organics, and the plastics were assumed to retain their composition as shown in other paper [11].…”

Section: Product Analysismentioning

confidence: 99%

Development of torre-briquetting process to convert mixed MSW into high energy density solid fuel

Prawisudha

Triyono

Rorimpandey

et al. 2018

AIP Conference Proceedings

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Municipal solid waste processing and separation employing wet torrefaction for alternative fuel production and aluminum reclamation

Cited by 37 publications

References 42 publications

Evaluating Food Waste Handling Using Trios Monitoring System on Soy Industry in Bali, Indonesia

Evaluating Food Waste Handling Using Trios Monitoring System on Soy Industry in Bali, Indonesia

Multi-production of solid fuel and liquid fertilizer from organic waste by employing wet torrefaction process

Development of torre-briquetting process to convert mixed MSW into high energy density solid fuel

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