The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 12, 2023
Filed:
May. 25, 2020
Hconnect 2 Gmbh, Heidelberg, DE;
Jan Skocek, Leimen, DE;
Maciej Zajac, Heidelberg, DE;
Mohsen Ben Haha, Heidelberg, DE;
Stefan Federhen, Hirschberg, DE;
Marek Majchrowicz, Olszowa, PL;
HConnect 2 GmbH, Heidelberg, DE;
Abstract
A method for manufacturing supplementary cementitious material and sequestering COby carbonating concrete fines has the following steps: grinding the concrete fines obtained from crushed concrete demolition waste in a mill at a temperature from 1 to 10° C. above the water dew point in a carbonating atmosphere provided by a gas containing from 10 to 99 Vol.-% CO, circulating the ground and partially carbonated concrete fines in a fluidized bed reactor in contact with the carbonating atmosphere, and withdrawing decarbonated gas and carbonated concrete fines.