文献类型：专利

英文题名：Process for recovering urea microparticles involves passing overheat vapor or gas containing urea particles from bottom to top, passing washing water by tower from top to bottom, and obtaining urea solution with specified concentration

作者：ZHANG C;LIU S;ZHENG Z

机构：[1]UNIV EAST CHINA SCI & TECHNOLOGY

申请号：CN1334265-A

申请日：2001-07-31

公开日：2002-02-06

语种：英文

收录：DERWENT

摘要：NOVELTY - Recovery of urea microparticles from liquid drops and dust containing urea in urea production system comprises passing overheat vapor or gas containing urea particles through washing tower tray from bottom to top of tower and washing water passes through tower from top to bottom, obtaining urea solution with 20-30%wt. concentration. ADVANTAGE - High recovery yield (90-99%), simple equipment and low cost.