Inventor
WEI SHIFA
CN5 patents
Patents
5 patentsUS10005669B2Jun 26, 2018
Method for mass production of phosphoric acid with rotary kiln
SICHUAN KO CHANG TECH CO LTD4 citations65
US9776868B2Oct 3, 2017
Apparatus for preparing phosphoric acid from fume exiting the kiln in a kiln phosphoric acid process
SICHUAN KO CHANG TECH CO LTD0 citations42
US9982947B2May 29, 2018
Rotary kiln for reducing phosphate ore in kiln phosphoric acid process and method for solving ring forming in kiln tail in kiln phosphoric acid process
SICHUAN KO CHANG TECH CO LTD0 citations35
US10232312B2Mar 19, 2019
Device and process for fluorine recovery from smoke after phosphorus absorption by hydration in kiln process for production of phosphoric acid
SICHUAN KO CHANG TECH CO LTD0 citations32
US10023463B2Jul 17, 2018
Phosphorus absorption by hydration and fluorine recovery for fume exiting kiln in kiln phosphoric acid process
SICHUAN KO CHANG TECH CO LTD0 citations32