Organic emissions from co-combustion of mixed plastics with coal in a bubbling fluidized bed boiler

Martin Frankenhäuser (Corresponding Author), Helena Manninen, Ilkka Kojo, Juhani Ruuskanen, Terttu Vartiainen, Raili Vesterinen, Jorma Virkki

Research output: Contribution to journalArticleScientificpeer-review

26 Citations (Scopus)

Abstract

Mixed plastics can be burned safely with coal in modern fluidized bed boilers when flue gas carbon monoxide and dust emissions are kept low. The level of total emissions per thermal unit using plastics is smaller than when using coal. The proportion of mixed plastics incorporated into the plastics/coal fuel blends used in the tests did not aff5ct the emission levels of polychlorinated dibenzodioxines and dibenzofurans (PCDD/Fs). The addition of limestone to the fluidized bed resulted in slightly increased PCDD/F levels, but these nevertheless remained significantly below 0.1 ng/Nm3 TE NORDIC. It is probable that the sulphur contained in the primary fuel poisoned the catalysts responsible for the formation of PCDD/F in all the plastics/coal blends. Limestone aff5cted the formation of PCDD/F by binding sulphur in the gas phase or by increasing the calcium, tin, and chlorine levels of the fly ash. Only a small variation was observed in the copper concentrations of the fly ashes generated.

Original languageEnglish
Pages (from-to)309 - 316
Number of pages8
JournalChemosphere
Volume27
Issue number1 - 3
DOIs
Publication statusPublished - 1993
MoE publication typeA1 Journal article-refereed

Fingerprint

Coal
Fluidized beds
Plastics
Boilers
combustion
plastic
coal
PCDD
Coal Ash
Calcium Carbonate
Limestone
Fly ash
Sulfur
fly ash
Gases
sulfur
limestone
Tin
Chlorine
dibenzofuran

Keywords

  • fluidized beds

Cite this

Frankenhäuser, M., Manninen, H., Kojo, I., Ruuskanen, J., Vartiainen, T., Vesterinen, R., & Virkki, J. (1993). Organic emissions from co-combustion of mixed plastics with coal in a bubbling fluidized bed boiler. Chemosphere, 27(1 - 3), 309 - 316. https://doi.org/10.1016/0045-6535(93)90307-Q
Frankenhäuser, Martin ; Manninen, Helena ; Kojo, Ilkka ; Ruuskanen, Juhani ; Vartiainen, Terttu ; Vesterinen, Raili ; Virkki, Jorma. / Organic emissions from co-combustion of mixed plastics with coal in a bubbling fluidized bed boiler. In: Chemosphere. 1993 ; Vol. 27, No. 1 - 3. pp. 309 - 316.
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abstract = "Mixed plastics can be burned safely with coal in modern fluidized bed boilers when flue gas carbon monoxide and dust emissions are kept low. The level of total emissions per thermal unit using plastics is smaller than when using coal. The proportion of mixed plastics incorporated into the plastics/coal fuel blends used in the tests did not aff5ct the emission levels of polychlorinated dibenzodioxines and dibenzofurans (PCDD/Fs). The addition of limestone to the fluidized bed resulted in slightly increased PCDD/F levels, but these nevertheless remained significantly below 0.1 ng/Nm3 TE NORDIC. It is probable that the sulphur contained in the primary fuel poisoned the catalysts responsible for the formation of PCDD/F in all the plastics/coal blends. Limestone aff5cted the formation of PCDD/F by binding sulphur in the gas phase or by increasing the calcium, tin, and chlorine levels of the fly ash. Only a small variation was observed in the copper concentrations of the fly ashes generated.",
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Frankenhäuser, M, Manninen, H, Kojo, I, Ruuskanen, J, Vartiainen, T, Vesterinen, R & Virkki, J 1993, 'Organic emissions from co-combustion of mixed plastics with coal in a bubbling fluidized bed boiler', Chemosphere, vol. 27, no. 1 - 3, pp. 309 - 316. https://doi.org/10.1016/0045-6535(93)90307-Q

Organic emissions from co-combustion of mixed plastics with coal in a bubbling fluidized bed boiler. / Frankenhäuser, Martin (Corresponding Author); Manninen, Helena; Kojo, Ilkka; Ruuskanen, Juhani; Vartiainen, Terttu; Vesterinen, Raili; Virkki, Jorma.

In: Chemosphere, Vol. 27, No. 1 - 3, 1993, p. 309 - 316.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Organic emissions from co-combustion of mixed plastics with coal in a bubbling fluidized bed boiler

AU - Frankenhäuser, Martin

AU - Manninen, Helena

AU - Kojo, Ilkka

AU - Ruuskanen, Juhani

AU - Vartiainen, Terttu

AU - Vesterinen, Raili

AU - Virkki, Jorma

PY - 1993

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N2 - Mixed plastics can be burned safely with coal in modern fluidized bed boilers when flue gas carbon monoxide and dust emissions are kept low. The level of total emissions per thermal unit using plastics is smaller than when using coal. The proportion of mixed plastics incorporated into the plastics/coal fuel blends used in the tests did not aff5ct the emission levels of polychlorinated dibenzodioxines and dibenzofurans (PCDD/Fs). The addition of limestone to the fluidized bed resulted in slightly increased PCDD/F levels, but these nevertheless remained significantly below 0.1 ng/Nm3 TE NORDIC. It is probable that the sulphur contained in the primary fuel poisoned the catalysts responsible for the formation of PCDD/F in all the plastics/coal blends. Limestone aff5cted the formation of PCDD/F by binding sulphur in the gas phase or by increasing the calcium, tin, and chlorine levels of the fly ash. Only a small variation was observed in the copper concentrations of the fly ashes generated.

AB - Mixed plastics can be burned safely with coal in modern fluidized bed boilers when flue gas carbon monoxide and dust emissions are kept low. The level of total emissions per thermal unit using plastics is smaller than when using coal. The proportion of mixed plastics incorporated into the plastics/coal fuel blends used in the tests did not aff5ct the emission levels of polychlorinated dibenzodioxines and dibenzofurans (PCDD/Fs). The addition of limestone to the fluidized bed resulted in slightly increased PCDD/F levels, but these nevertheless remained significantly below 0.1 ng/Nm3 TE NORDIC. It is probable that the sulphur contained in the primary fuel poisoned the catalysts responsible for the formation of PCDD/F in all the plastics/coal blends. Limestone aff5cted the formation of PCDD/F by binding sulphur in the gas phase or by increasing the calcium, tin, and chlorine levels of the fly ash. Only a small variation was observed in the copper concentrations of the fly ashes generated.

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Frankenhäuser M, Manninen H, Kojo I, Ruuskanen J, Vartiainen T, Vesterinen R et al. Organic emissions from co-combustion of mixed plastics with coal in a bubbling fluidized bed boiler. Chemosphere. 1993;27(1 - 3):309 - 316. https://doi.org/10.1016/0045-6535(93)90307-Q