| abstract |
A device for producing crude acetophenone from phenol residue mainly comprises: a reaction kettle, a cooling water inlet and outlet, inlet and outlet pipes, a liquid caustic soda storage tank, a sulfuric acid storage tank, a raw material storage tank, a steam inlet valve, Temperature sensing probe, stirring device, water soluble storage tank and crude acetophenone storage tank; for the rectification residue (residue) produced in the production process of cumene oxidation to prepare phenol acetone or cumene oxidation to prepare propylene oxide ), using it as raw material, through steam and cold water temperature control, acid-base stirring reaction, and layered extraction, it not only improves the yield and quality of acetophenone, but also realizes resource utilization, turns waste into treasure, energy saving and environmental protection. |