Facile Utilization of Carbon Dioxide for the Esterification of Potassium Lactate to Butyl Lactate

• 발행기관: 한국환경에너지공학회
• 저자명: Ali Awad Macchindra Gulabrao Chandgude Young Kyu Hwang
• 간행물 정보: 『한국환경에너지공학회 학술대회지』2023년 추계학술발표회, 425~425쪽, 전체 1쪽
• 주제분류: 공학 > 환경공학
• 파일형태: PDF
• 발행일자: 2023.12.07

국문 초록

The utilization of C아 is crucial for the sustainable growth of human society. Herein, we demonstrate the direct esterification of potassium lactate (KL) ,vith butanol and pressurized CO₂ to butyl lactate (BL). The pressurized C아 reacts with water to form carbonic acid, which promotes esterification. In a single batch reaction, 17% butyl lactate was obtained which was increased to 36% through two consecutive esterification cycles. Finally, the complete conversion of potassium lactate to butyl lactate was achieved using a very small amount of sulfuric acid (H₂SO₄). The proposed integrated process requires approximately 63% less mineral acid compared to the conventional lactate separation and purification processes. The effect of reaction parameters, mcluding reaction temperature, reaction time, CO₂ pressure and moisture content for the esterification of potassium lactate were explored.

키워드

CO₂ carbonic Acid Esterification Potassium Lactate Butyl Lactate