FREMGANGSMAADE TIL FREMSTILLING AF FERRICHLORID UD FRA FERROCHLORID

摘要

Process for the preparation of ferric chloride consisting in chlorinating dilute ferrous chloride in the presence of ferric chloride and then decompressing the product obtained to evaporate off water and finally in recycling a part of the ferric chloride. This process yields ferric chloride which can be employed directly as a flocculating agent for water treatment.