Abstract：
:This study evaluates and compares the environmental impacts arising from the disposal of different carbonaceous sorbents used for wastewater treatment. Three different adsorption materials were considered, i.e. activated carbon, biochar and hydrochar, and three end-of-life management approaches, i.e. incineration, regeneration and landfilling. The highest overall environmental impact was of Carcinogenic effects and Freshwater Ecotoxicity due to emissions of heavy metals during production of all types of sorbents. The use of materials with higher adsorption capacities and regeneration of carbonaceous materials were considered and shown to be an efficient way for reducing the overall environmental impacts of the different adsorbents. The compensation of fossil fuel incineration by using recovered heat led to negative impacts in all categories. Recirculation of HTC process water reduced the impact on Freshwater Ecotoxicity and Eutrophication.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Kozyatnyk I,Yacout DMM,Van Caneghem J,Jansson Sdoi
10.1016/j.biortech.2020.122866subject
Has Abstractpub_date
2020-04-01 00:00:00pages
122866eissn
0960-8524issn
1873-2976pii
S0960-8524(20)30135-8journal_volume
302pub_type
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