Dimitris Ioannis Collias,Jane Ellen Godlewski,Juan Esteban Velasquez
申请号：
US15861704
公开号：
US20180126187A1
申请日:
2018.01.04
申请国别(地区):
US
年份:
2018
代理人:
摘要：
Methods for making acrylic acid, acrylic acid derivatives, or mixtures thereof by contacting a stream containing hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof with either an active catalyst containing an amorphous and partially-dehydrated phosphate salt or a precursor catalyst containing a crystalline phosphate salt in a reactor with a low corrosion rate are provided.
