METHODS FOR EXTRACTING ARSENIC FROM SOILS CONTAMINATED WITH ARSENIC BY USING OXALIC ACID

摘要

The present invention relates to a kind of arsenic of contaminated soil for arsenic removal from oxalic acid, including a step is used, and the arsenic of 40-100 parts by weight to 100 parts by weight oxalic acid contaminated soils is added. The present invention removes arsenic by accurately estimating the arsenic of removal in can working, and has the advantages that arsenic removal, is greater than or equal to 90% at a high speed from the mine that the arsenic in soil of contaminated soil has for example been adopted. ;The 2014 of copyright KIPO submissions