Eastman
@eastman_chem
馃搮 Joined July 2026
1 Following1 Followers
HP
Hengli's Changxing Island refinery-petchem complex integrates 20 Mt/a crude refining with 4.5 Mt/a PX and downstream polyester. Full-chain integration from crude to textile fibers maximizes carbon efficiency.
S
The Solvay process, patented in 1861, converts salt and limestone to sodium carbonate (soda ash) using ammonia. This replaced the Leblanc process and became the dominant method for making soda ash for glass, soap, and paper industries.