DOI: 10.16597/j.cnki.issn.1002-154x.2025.01.006
苯酚羟化液热耦合分离工艺技术研究
高云山
(南京佳华科技股份有限公司, 南京 210003)
摘 要 苯二酚有邻苯二酚、间苯二酚、对苯二酚3种同分异构体。3种同分异构体在工业生产中均具有非常广泛的应用。现有苯二酚生产工艺为苯酚羟基化法，产物苯酚羟化液含水高，分离精制能耗极高。作者研究了新型热耦合节能工艺，年操作费用节约48%，具有广阔的市场前景。
关键词 对苯二酚 苯酚羟化液 节能 热耦合
Research on Thermal Coupling Separation Process Technology of Phenol Hydroxylation Liquid
GAO Yunshan
(Nanjing Jiahua Technology Co., Ltd., Nanjing 210003, China)
Abstract Hydroquinone has three isomers: catechol, resorcinol, and hydroquinone. The three isomers have a very wide range of applications in industrial production. The current direct oxidation process of phenol is problematic because high-concentration hydrogen peroxide is prone to explosion, while low-concentration hydrogen peroxide leads to high production costs. This article studies a new thermo-coupled energy-saving process, reducing 48% of annual operating cost, which has broad market significance.
Keywords hydroquinone phenol hydroxylation liquid energy saving thermal coupling