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:
Mar. 27, 2018
Filed:
Oct. 09, 2015
Applicant:
Infineon Technologies Ag, Neubiberg, DE;
Inventor:
Friedrich Kroener, Villach, AT;
Assignee:
Infineon Technologies AG, Neubiberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 18/04 (2006.01); C02F 1/66 (2006.01); C04B 28/02 (2006.01);
U.S. Cl.
CPC ...
C04B 18/0481 (2013.01); C02F 1/66 (2013.01); C04B 28/02 (2013.01); Y02W 30/91 (2015.05);
Abstract
A method of treating an acid effluent including phosphoric acid in accordance with various embodiments may include: providing an acid effluent including phosphoric acid; adding a base and silicon particles from a further effluent to the acid effluent including phosphoric acid so that a mixture is obtained and a solid content is formed; separating from the mixture a solid content including silicon and a salt resulting from a reaction of the base with the acid, so that a clarified effluent can be rejected in the environment and a filter press cake can be obtained and further used as additive for concrete.