BIOCHAR IN WASTEWATER TREATMENT: A SYSTEMATIC MAPPING

There has been a ton of debate on developing goals and the conflicts regarding environmental preservation. In the wastewater treatment industry, biochar seems to appear as a low-cost and environmentally friendly alternative because of its high porosity and adsorbent capacity. This study used the Sco...

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Published inJournal of urban and environmental engineering Vol. 16; no. 2; pp. 215 - 220
Main Authors Menezes, Breno Lucas Oliveira, da Rocha, Fernando Rodrigues, Wesz, Giovana Nunes, Sousa, Í&karo Damião Hora, Lima, Ronaldo Guilherme Santos, Mendonça, Luciana Coelho, Barbosa, Taísa Andrade
Format Journal Article
LanguageEnglish
Published Jao Pessoa Journal of Urban and Environmental Engineering 31.12.2022
Subjects
Activated carbon
Adsorbents
Adsorption
Aqueous solutions
Biomass
Charcoal
Environmental policy
Heavy metals
Keywords
Mapping
Metals
Pollutants
Porosity
Pyrolysis
Raw materials
Sewage
Sewage sludge
Sludge
Wastewater treatment
Water treatment
United States > US
China
Africa
Oceania
India
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Summary:There has been a ton of debate on developing goals and the conflicts regarding environmental preservation. In the wastewater treatment industry, biochar seems to appear as a low-cost and environmentally friendly alternative because of its high porosity and adsorbent capacity. This study used the Scopus database to map articles on the topic through a systematic methodology and screening. The results demonstrate the approach researchers are giving to biochar adsorbing characteristics. It was observed that research about biochar applied to wastewater is recent and shortage. China and India were the countries that most published about it. Sewage sludge was the most common biomass used for biochar production, and pyrolysis temperature remained mainly at 300° C to 700 °C. Also, the removal of heavy metals was the greater purpose of the studies. Finally, this mapping described biochar formation and its use as an adsorbent for wastewater treatment purposes, providing important data for directing future studies.
ISSN:1982-3932
DOI:10.4090/juee.2023.v16n2.215220