Inventor
ZHANG WANYAO
CN6 patents
Patents
6 patentsUS11202979B2Dec 21, 2021
Device for reducing pressure fluctuation of pressure filter frame and pressure filter
TIANHUA INST OF CHEMICAL MACHINERY AND AUTOMATION CO LTD0 citations57
US11099114B2Aug 24, 2021
Test device and test method for rotary pressurized filter and method for designing filter
TIANHUA INST OF CHEMICAL MACHINERY AND AUTOMATION CO LTD0 citations56
US10273198B2Apr 30, 2019
Solvent exchanger and method for improving the exchange efficiency of CTA solvent
TIANHUA INST OF CHEMICAL MACHINERY AND AUTOMATION CO LTD1 citations55
US10906858B2Feb 2, 2021
CTA solvent exchanging method
TIANHUA INST OF CHEMICAL MACHINERY AND AUTOMATION CO LTD0 citations47
US9902680B2Feb 27, 2018
Method for processing acetic acid solvent in oxidising unit of PTA industrial apparatus
TIANHUA INST OF CHEMICAL MACHINERY AND AUTOMATION CO LTD0 citations36
US10787411B2Sep 29, 2020
Method of recycling mother liquid of pure terephthalic acid (PTA) refining unit
TIANHUA INST OF CHEMICAL MACHINERY AND AUTOMATION CO LTD0 citations31