Characterization of primary and secondary wastewater treatment sludge from a pulp and board mill complex to evaluate the feasibility of utilization as a soil amendment agent and a fertilizer product

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Pöykiö, Risto
dc.contributor.author Watkins, Gary
dc.contributor.author Dahl, Olli
dc.date.accessioned 2018-12-10T10:09:57Z
dc.date.available 2018-12-10T10:09:57Z
dc.date.issued 2018
dc.identifier.citation Pöykiö , R , Watkins , G & Dahl , O 2018 , ' Characterization of primary and secondary wastewater treatment sludge from a pulp and board mill complex to evaluate the feasibility of utilization as a soil amendment agent and a fertilizer product ' Journal of Bioresources and Bioproducts , vol. 3 , no. 3 , pp. 88-95 . DOI: 10.21967/jbb.v3i3.174 en
dc.identifier.issn 2369-9698
dc.identifier.other PURE UUID: 13e7d9ae-6853-4f7a-84df-1a39521f2a5b
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/characterization-of-primary-and-secondary-wastewater-treatment-sludge-from-a-pulp-and-board-mill-complex-to-evaluate-the-feasibility-of-utilization-as-a-soil-amendment-agent-and-a-fertilizer-product(13e7d9ae-6853-4f7a-84df-1a39521f2a5b).html
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/30076822/174_821_1_PB.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/34920
dc.description.abstract In this study, we have determined the main important physical and chemical properties as well as the heavy metal concentrations of the primary and secondary wastewater treatment sludge from a pulp and board mill complex located in Finland in order to evaluate the utilization of these by-products as a soil amendment agent or a fertilizer product. Easily soluble Ca, Mg, K, Na, P and S concentrations in the sludges were extracted by ammonium acetate (CH3COONH4) and easily soluble Cu, Mn and Zn concentrations by CH3COONH4 + Na2EDTA. For the determination of total nutrient and total heavy metal concentrations in sludges, they were digested using aqua regia (3 mL HCl + 9 mL HNO3). The total heavy concentrations in the primary sludge were lower than the Finnish heavy metal limit values for fertilizer products. In the secondary sludge, all other total heavy metals than the total Cd concentration (4.8 mg/kg; d.w.) were lower than the heavy metal limit values for fertilizer products. Due to the low total heavy metal concentrations, which were lower than the Finnish limit values for fertilizer products, the primary sludge is a potential fertilizer. Although the total Cd concentration (4.8 mg/kg; d.w.) in the secondary sludge exceed the limit value of 1.5 mg/kg (d.w.) for fertilizer products, this residue may be used as a soil improver, a growing media or as a fertilizer product in landfill sites or in other closed industrial areas, because the Finnish limit values for fertilizer products are not applied at these sites. en
dc.format.extent 8
dc.format.extent 88-95
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries Journal of Bioresources and Bioproducts en
dc.relation.ispartofseries Volume 3, issue 3 en
dc.rights openAccess en
dc.subject.other Bioengineering en
dc.subject.other Environmental Engineering en
dc.subject.other 216 Materials engineering en
dc.title Characterization of primary and secondary wastewater treatment sludge from a pulp and board mill complex to evaluate the feasibility of utilization as a soil amendment agent and a fertilizer product en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department City of Kemi
dc.contributor.department School services, CHEM
dc.contributor.department Department of Bioproducts and Biosystems
dc.subject.keyword Activated sludge
dc.subject.keyword Fertilizer
dc.subject.keyword Forest industry
dc.subject.keyword Biosludge
dc.subject.keyword Board mill
dc.subject.keyword Fibre sludge
dc.subject.keyword Pulp mill
dc.subject.keyword Waste
dc.subject.keyword Wastewater treatment
dc.subject.keyword Bioengineering
dc.subject.keyword Environmental Engineering
dc.subject.keyword 216 Materials engineering
dc.identifier.urn URN:NBN:fi:aalto-201812105935
dc.identifier.doi 10.21967/jbb.v3i3.174
dc.type.version publishedVersion


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