openLCA archived user forum

Hi all, I am having emissions like succinic acid, furfural, phenolic acid, HMF etc from the different processes of my product system. But these compounds are not available in the ecoinvent database that I am using. Hence the impacts due to these are not accounted. Can someone help me to account for ...

Hi, I am getting negative values as results in all of the impact categories when I carry out the impact assessment for my system and it happens for all of the impact assessment methods. Can negative values be obtained as a final result? If no, can anyone suggest me why this is happening? Regards, Arun