简介 Davis Index is the world's only market intelligence publication built solely for the metals recycling industry. The price reporting agency publishes more than 1,000 proprietary price indexes for over 80 countries, as well as metals futures prices and other reference data. ...
Resid typically contains a high proportion of undesirable impurities such as metals, sulfur and nitrogen, as well as high molecular weight (C12+) naphthenic acids (measured in terms of TAN according to ASTM D-664, TAN refers to a total acid number expressed as milligrams (“mg”) of KOH pe...
created intuitively and randomly, exploring the imperfections and incompleteness of space and unseen marks to convey my ideas. Inmy latest works I celebrate the beauty of the rust, random stitching, and the ever-evolving act of recycling, re-discovering and re-purposing in our current cultural co...
We may have gone paperless, but information accessed on phones and tablets still consumes energy, rare earths and metals used to manufacture phones and tablets. You don’t get something from nothing. It’s all connected, and as long as we live in this galaxy we can’t escape the laws of...
Normally, a hydrogenation catalyst such as metal or metal oxides from metals of groups VA, VIA, and VIII and the rare earth series of the Periodic Table will be employed. Such catalyst may take the form of cobalt, molybdenum, iron, chromium, vanadium, thorium, nickel, tungsten and uranium ...