Review of inventory data for the thermal treatment of sewage sludge

Chang, Huimin; Zhao, Yan; Zhao, Silan; Damgaard, Anders; Christensen, Thomas Højlund

doi:10.1016/j.wasman.2022.05.002

Cited by 27 publications

(10 citation statements)

References 60 publications

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“…It has the advantages of low investment, high efficiency, and mature application. [1][2][3] With increasing construction of urban sewage treatment plants, the output of sludge also surges. It was reported that the annual sewage treatment capacity reached 52.5 billion m 3 in 2019, and the excess sludge production was also up to 263 million m 3 .…”

Section: Introductionmentioning

confidence: 99%

Potential of non-thermal discharge plasmas for activated sludge settling: effects and underlying mechanisms

Chen¹,

Liu²,

Ren

et al. 2023

RSC Adv.

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Section: Introductionmentioning

confidence: 99%

Potential of non-thermal discharge plasmas for activated sludge settling: effects and underlying mechanisms

Chen¹,

Liu²,

Ren

et al. 2023

RSC Adv.

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“…The quality balance was assessed and data sets with large differences were excluded. 27 Notably, the studies reported data in various units. Thus, to improve comparability between studies, certain data were standardized by conversion into consistent units, 28 such as transforming mol/kg, wt %, and mol % into vol.…”

Section: ■ Materials and Methodsmentioning

confidence: 99%

“…27 Notably, the studies reported data in various units. Thus, to improve comparability between studies, certain data were standardized by conversion into consistent units, 28 such as transforming mol/kg, wt %, and mol % into vol. %, or converting MJ/ Nm 3 and kcal/Nm 3 into MJ/kg.…”

Section: ■ Materials and Methodsmentioning

confidence: 99%

Inventory Data for the Pyrolysis of Waste Wood

Zheng,

Lü,

Zhang

et al. 2024

ACS Sustainable Chem. Eng.

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Pyrolysis is becoming a promising technology for waste wood resource recovery. To perform a life cycle assessment (LCA) of this technology, inventory data were collected from relevant studies published in 2000−2023, which included 67 and 31 data sets for untreated wood (UW) and wood-based composites (WBC), respectively. Proximate and ultimate analyses of raw waste wood and pyrolysis products were summarized and compared. The average ash contents were 1.04% ± 0.91% for UW and 2.65% ± 3.52% for WBC, and WBC exhibited a higher nitrogen content than UW. Correlations between pyrolysis products, raw materials, and different temperatures were demonstrated. Pyrolysis yield, energy yield, and pyrolysis gas composition were statistically analyzed. The average weights of the char, gas, and liquid fractions per kilogram of input were 0.26 ± 0.10, 0.33 ± 0.16, and 0.41 ± 0.13 (kg/kg) for UW, respectively. Char yield was higher at low temperature than at high temperature, whereas gas yield was higher at high temperature and heating rate than at low temperature and heating rate. The energy yield of char and liquid was much higher than that of gas at low temperature, while the energy yield of char and gas was higher than that of liquid at high temperature. The average energy distributions at low temperatures were 44.4% ± 11.2% for char, 45.4% ± 14.4% for liquid, and 15.0% ± 10.5% for gas. Gas yield and composition varied substantially at different temperatures. Statistical analysis in terms of energy consumption was not conducted due to the lack of these data in the original references. This study provides inventory data for waste wood pyrolysis that can be employed in feasibility assessments and LCA studies.

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“…Additionally, incineration might be a favorable option when considering treatment costs [ 4 ]. However, challenges arise with gas cleaning, notably related to chlorine corrosion and the formation of dioxins and furans [ 5 , 6 ]. Other thermal treatment options include gasification and pyrolysis.…”

Section: Introductionmentioning

confidence: 99%

Impact of temperature and residence time on sewage sludge pyrolysis for combined carbon sequestration and energy production

Halalsheh,

Shatanawi,

Shawabkeh

et al. 2024

Heliyon

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Review of inventory data for the thermal treatment of sewage sludge

Cited by 27 publications

References 60 publications

Potential of non-thermal discharge plasmas for activated sludge settling: effects and underlying mechanisms

Potential of non-thermal discharge plasmas for activated sludge settling: effects and underlying mechanisms

Inventory Data for the Pyrolysis of Waste Wood

Impact of temperature and residence time on sewage sludge pyrolysis for combined carbon sequestration and energy production

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