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:
Feb. 16, 2021
Filed:
Nov. 08, 2016
Sabic Global Technologies B.v., Bergen op Zoom, NL;
Roy Van Lier, Sittard, NL;
Syed Azhar Hashmi, Hyderabad, IN;
Vadlamani Prasad Rao Chaitanya, Yanbu, SA;
Sandeep P. Mohandas, Yanbu, SA;
Muhammad Mosleh Al-Subhi, Yanbu, SA;
Lee Sangjoo, Yanbu, SA;
Hasan Mohammed Rashad Haneef, Yanbu, SA;
SABIC GLOBAL TECHNOLOGIES B.V., Bergen op Zoom, NL;
Abstract
A method for recovering water from purified terephthalic acid production wastewater includes: producing purified terephthalic acid comprising purified terephthalic acid feedstock and wastewater comprising impurities; separating the purified terephthalic acid feedstock from the wastewater comprising impurities; transferring the wastewater to a tank; adjusting the p H of the wastewater with a basic solution; adjusting the temperature of the wastewater; passing the wastewater to a column; contacting the wastewater with an ion exchange resin to remove the impurities; and recovering the water depleted of impurities.