Inventor
FACH ROLAND
DE3 patents
Patents
3 patentsUS5228885AJul 20, 1993
Process of concentrating a dilute sulfuric acid in a three-stage forced-circulation vacuum evaporation plant
METALLGESELLSCHAFT AG9 citations64
US6627172B1Sep 30, 2003
Process for preparing sulphuric acid from gases containing SO3 and gaseous nitrosylsulphuric acid
METALLGESELLSCHAFT AG3 citations58
US6238639B1May 29, 2001
Process for removing NOx from nitrosylsulphuric acid
METALLGESELLSCHAFT AG1 citations43