Production method for producing trimethylolpropane by recycling carbide slag

• Main Authors: BIAN PINGGUAN, LIN SEN, QIN JILEI, LIANG SHENPING, WANG QIANG, LIU SHUANG, ZHU LULU, FANG XIAOJUAN, PEI FENG, GUO ZHONG, XIA TIANCI, DENG YONGLAN, GUO TIANZHU
• Format: Patent
• Language: Chinese; English
• Published: 30.12.2022
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING

The invention provides a production method for producing trimethylolpropane by recycling carbide slag, which comprises the following steps: preparing calcium hydroxide solution from carbide slag produced by preparing PVC (polyvinyl chloride) by an acetylene method as a catalyst, and adding the calci...