INTEGRATED COAL LIQUEFACTION PROCESS INVOLVING SHORT CONTACT TIME DISSOLUTION

摘要

-18- 3346INTEGRATED COAL LIQUEFACTION PROCESS INVOLVING SHORTCONTACT TIME DISSOLUTIONABSTRACT OF THE DISCLOSUREHydrogen conservation in solvent refining of coal ispracticed and solvent compositions are adjusted to needs oftwo stage operation. The first stage is a short residencetime dissolution in a recycle solvent rich in phenols andpolyaromatics of high boiling range. The solvent is enrichedfor the second stage in low boiling hydrogen donors and theproduct of the process undergoes hydrotreating in anintegrated process.