kindly dear .
any standard or articles explain the difference between them .
biochar is a type of activated carbon. This specific type is made of biomass.
regards,
G
Dear Mohammed Kadhem and Grzegorz Boczkaj,
biochar is not a type of activated carbon, see also Article Activated Carbon, Biochar and Charcoal: Linkages and Synergi...
. An activation requires physical or chemical treatments to enlarge pore space and/or change surface chemistry of carbon, see alsoArticle Surface Chemical Functional Groups Modification of Porous Carbon
. Thus, activated carbon should be free of ash and labile organic compounds (...high carbon content), which are typically part of biochar causing highly variable carbon contents, see alsoArticle Dynamic Molecular Structure of Plant Biomass-Derived Black C...
,Article Activated carbon from biochar: Influence of its physicochemi...
, etc.Best regards
Nils
Dear Mohammed Kadhem
Yes, for biochar standards are there. you can visit the site of international biochar initiative. You can find out the documents related to standards made for biochar, also IBI have many publications which give you information about the recent advancements in the field of biochar and activated carbon. On the site you will find the documents related to testing, making and usage of biochar.
http://www.biochar-international.org/
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