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Characterization of fine fraction mined from two Finnish landfills

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Characterization of fine fraction mined from two Finnish landfills. / Mönkäre, Tiina J.; Palmroth, Marja R. T.; Rintala, Jukka A.

julkaisussa: Waste Management, Vuosikerta 47A, 2016, s. 34-39.

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@article{ece16c99fe9a4a6ba510888bfc2c199e,
title = "Characterization of fine fraction mined from two Finnish landfills",
abstract = "A fine fraction (FF) was mined from two Finnish municipal solid waste (MSW) landfills in Kuopio (1- to 10-year-old, referred as new landfill) and Lohja (24- to 40-year-old, referred as old landfill) in order to characterize FF. In Kuopio the FF (<20mm) was on average 45±7{\%} of the content of landfill and in Lohja 58±11{\%}. Sieving showed that 86.5±5.7{\%} of the FF was smaller than 11.2mm and the fraction resembled soil. The total solids (TS) content was 46-82{\%}, being lower in the bottom layers compared to the middle layers. The organic matter content (measured as volatile solids, VS) and the biochemical methane potential (BMP) of FF were lower in the old landfill (VS/TS 12.8±7.1{\%} and BMP 5.8±3.4m3 CH4/t TS) than in the new landfill (VS/TS 21.3±4.3{\%} and BMP 14.4±9.9m3 CH4/t TS), and both were lower compared with fresh MSW. In the Kuopio landfill materials were also mechanically sieved in the full scale plant in two size fraction <30mm (VS/TS 31.1{\%} and 32.9m3 CH4/t TS) and 30-70mm (VS/TS 50.8{\%} and BMP 78.5m3 CH4/t TS). The nitrogen (3.5±2.0g/kg TS), phosphorus (<1.0-1.5g/kg TS) and soluble chemical oxygen demand (COD) (2.77±1.77kg/t TS) contents were low in all samples. Since FF is major fraction of the content of landfill, the characterization of FF is important to find possible methods for using or disposing FF mined from landfills.",
keywords = "Biochemical methane potential, Characterization, Fine fraction, Landfill mining, Municipal solid waste",
author = "M{\"o}nk{\"a}re, {Tiina J.} and Palmroth, {Marja R. T.} and Rintala, {Jukka A.}",
year = "2016",
doi = "10.1016/j.wasman.2015.02.034",
language = "English",
volume = "47A",
pages = "34--39",
journal = "Waste Management",
issn = "0956-053X",
publisher = "Elsevier",

}

RIS (suitable for import to EndNote) - Lataa

TY - JOUR

T1 - Characterization of fine fraction mined from two Finnish landfills

AU - Mönkäre, Tiina J.

AU - Palmroth, Marja R. T.

AU - Rintala, Jukka A.

PY - 2016

Y1 - 2016

N2 - A fine fraction (FF) was mined from two Finnish municipal solid waste (MSW) landfills in Kuopio (1- to 10-year-old, referred as new landfill) and Lohja (24- to 40-year-old, referred as old landfill) in order to characterize FF. In Kuopio the FF (<20mm) was on average 45±7% of the content of landfill and in Lohja 58±11%. Sieving showed that 86.5±5.7% of the FF was smaller than 11.2mm and the fraction resembled soil. The total solids (TS) content was 46-82%, being lower in the bottom layers compared to the middle layers. The organic matter content (measured as volatile solids, VS) and the biochemical methane potential (BMP) of FF were lower in the old landfill (VS/TS 12.8±7.1% and BMP 5.8±3.4m3 CH4/t TS) than in the new landfill (VS/TS 21.3±4.3% and BMP 14.4±9.9m3 CH4/t TS), and both were lower compared with fresh MSW. In the Kuopio landfill materials were also mechanically sieved in the full scale plant in two size fraction <30mm (VS/TS 31.1% and 32.9m3 CH4/t TS) and 30-70mm (VS/TS 50.8% and BMP 78.5m3 CH4/t TS). The nitrogen (3.5±2.0g/kg TS), phosphorus (<1.0-1.5g/kg TS) and soluble chemical oxygen demand (COD) (2.77±1.77kg/t TS) contents were low in all samples. Since FF is major fraction of the content of landfill, the characterization of FF is important to find possible methods for using or disposing FF mined from landfills.

AB - A fine fraction (FF) was mined from two Finnish municipal solid waste (MSW) landfills in Kuopio (1- to 10-year-old, referred as new landfill) and Lohja (24- to 40-year-old, referred as old landfill) in order to characterize FF. In Kuopio the FF (<20mm) was on average 45±7% of the content of landfill and in Lohja 58±11%. Sieving showed that 86.5±5.7% of the FF was smaller than 11.2mm and the fraction resembled soil. The total solids (TS) content was 46-82%, being lower in the bottom layers compared to the middle layers. The organic matter content (measured as volatile solids, VS) and the biochemical methane potential (BMP) of FF were lower in the old landfill (VS/TS 12.8±7.1% and BMP 5.8±3.4m3 CH4/t TS) than in the new landfill (VS/TS 21.3±4.3% and BMP 14.4±9.9m3 CH4/t TS), and both were lower compared with fresh MSW. In the Kuopio landfill materials were also mechanically sieved in the full scale plant in two size fraction <30mm (VS/TS 31.1% and 32.9m3 CH4/t TS) and 30-70mm (VS/TS 50.8% and BMP 78.5m3 CH4/t TS). The nitrogen (3.5±2.0g/kg TS), phosphorus (<1.0-1.5g/kg TS) and soluble chemical oxygen demand (COD) (2.77±1.77kg/t TS) contents were low in all samples. Since FF is major fraction of the content of landfill, the characterization of FF is important to find possible methods for using or disposing FF mined from landfills.

KW - Biochemical methane potential

KW - Characterization

KW - Fine fraction

KW - Landfill mining

KW - Municipal solid waste

U2 - 10.1016/j.wasman.2015.02.034

DO - 10.1016/j.wasman.2015.02.034

M3 - Article

VL - 47A

SP - 34

EP - 39

JO - Waste Management

JF - Waste Management

SN - 0956-053X

ER -