Effect of pyrolysis temperature on removal of organic pollutants present in anaerobically stabilized sewage sludge.

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388971%3A_____%2F21%3A00534975" target="_blank" >RIV/61388971:_____/21:00534975 - isvavai.cz</a>

Alternative codes found

RIV/67985858:_____/21:00534975 RIV/61389021:_____/21:00534975 RIV/60461373:22320/21:43922581 RIV/00216208:11310/21:10422074

Result on the web

<a href="http://hdl.handle.net/11104/0314410" target="_blank" >http://hdl.handle.net/11104/0314410</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.chemosphere.2020.129082" target="_blank" >10.1016/j.chemosphere.2020.129082</a>

Result language

angličtina

Original language name

Effect of pyrolysis temperature on removal of organic pollutants present in anaerobically stabilized sewage sludge.

Original language description

Sewage sludge was excluded from the list of component materials for the production of EU fertilizing products and it was banned as feedstock to produce pyrolysis & gasification materials in European Commission’s technical proposals for selected new fertilizing materials under the Regulation 2019/1009 (STRUBIAS report). This exclusion of pyrolysis as a viable way to treat sewage sludge was mainly due to the lack of data on the fate of organic pollutants at pyrolysis conditions. In this work, we are addressing this knowledge gap. We studied slow pyrolysis as a potential process to efficiently treat organic pollutants present in stabilized sewage sludge. Sewage sludge was pyrolyzed in a quartz fixed bed reactor at temperatures of 400–800 °C for 2 h and the sludge and resulting sludge-chars were analyzed for the presence of four groups of organic pollutants, namely (i) polychlorinated biphenyls (PCBs), (ii) polycyclic aromatic hydrocarbons (PAHs), (iii) pharmaceuticals, and (iv) endocrine-disrupting and hormonal compounds. Pyrolysis at ≥ 400 °C effectively removed pharmaceuticals (group iii) to below detection limits, whereas pyrolysis at temperatures higher than 600 °C was required to remove more than 99.8% of the compounds from groups i, ii and iv. Based on these findings, we propose, that high temperature (>600 °C) slow pyrolysis can satisfactory remove organic pollutants from the resulting sludge-char, which could be safely applied as soil improver.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

20801 - Environmental biotechnology

Project

<a href="/en/project/QK1820175" target="_blank" >QK1820175: Processing of residual biomass by combined thermolysis on advanced energy carriers and soil additives</a><br>

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2021

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Chemosphere

ISSN

0045-6535

e-ISSN

1879-1298

Volume of the periodical

265

Issue of the periodical within the volume

FEB 2021

Country of publishing house

GB - UNITED KINGDOM

Number of pages

7

Pages from-to

129082

UT code for WoS article

000603465000063

EID of the result in the Scopus database

2-s2.0-85097795364