BUILDER COMPOSITION AND PROCESS FOR BUILDING

摘要

The present invention is in the field of detergent powders. The invention particularly relates to a builder composition providing sequential building of Magnesium and Calcium hardness ions. Although a lot of progress is made, the problem of getting fast building and building to a very low level of hardness ions remains to be desired, especially achieving this without the use of phosphate builder material. It is an object of the invention to reduce magnesium ion poisoning of a laundry builder system. The present inventors have found that when magnesium ions are removed from the water before the calcium building is started the overall building is faster and the overall removal of hardness ions is improved.