Low-Cost Biochar Adsorbents for Water Purification Including Microplastics Removal
Publiceringsår
2020
Upphovspersoner
Siipola, Virpi; Pflugmacher, Stephan; Romar, Henrik; Wendling, Laura; Koukkari, Pertti
Abstrakt
The applicability of steam activated pine and spruce bark biochar for storm water and wastewater purification has been investigated. Biochar samples produced from the bark of scots pine (Pinus sylvestrus) and spruce (Picea spp.) by conventional slow pyrolysis at 475 °C were steam activated at 800 °C. Steam activation was selected as a relatively inexpensive method for creating porous biochar adsorbents from the bark-containing sidestreams of the wood refining industry. A suite of standard analytical procedures were carried out to quantify the performance of the activated biochar in removing both cations and residual organics from aqueous media. Phenol and microplastics retention and cation exchange capacity were employed as key test parameters. Despite relatively low surface areas (200–600 m2/g), the steam-activated biochars were highly suitable adsorbents for the chemical species tested as well as for microplastics removal. The results indicate that ultra-high porosities are not necessary for satisfactory water purification, supporting the economic feasibility of bio-based adsorbent production.
Visa merOrganisationer och upphovspersoner
Helsingfors universitet
Pflugmacher Stephan
Uleåborgs universitet
Romar Henrik Gustav
Publikationstyp
Publikationsform
Artikel
Moderpublikationens typ
Tidning
Artikelstyp
En originalartikel
Målgrupp
VetenskapligKollegialt utvärderad
Kollegialt utvärderadUKM:s publikationstyp
A1 Originalartikel i en vetenskaplig tidskriftPublikationskanalens uppgifter
Journal
Moderpublikationens namn
Volym
10
Nummer
3
Artikelnummer
788
Sidor
788
ISSN
Publikationsforum
Publikationsforumsnivå
1
Öppen tillgång
Öppen tillgänglighet i förläggarens tjänst
Ja
Öppen tillgång till publikationskanalen
Helt öppen publikationskanal
Parallellsparad
Ja
Publiceringsavgift för öppen tillgång €
1248
Betalningsår för den öppen tillgång publiceringsavgiften
2020
Övriga uppgifter
Vetenskapsområden
Kemi; Miljövetenskap; Växtbiologi, mikrobiologi, virologi; Materialteknik
Nyckelord
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Publiceringsland
Schweiz
Förlagets internationalitet
Internationell
Språk
engelska
Internationell sampublikation
Nej
Sampublikation med ett företag
Nej
DOI
10.3390/app10030788
Publikationen ingår i undervisnings- och kulturministeriets datainsamling
Ja