As people's awareness of environmental protection increasing, developing and studying on new phosphate-freedetergent builder to replace STPP has been an urgent and important task.
随着人们环保意识的提高，研究和开发取代三聚磷酸钠的新型无磷助洗剂成为一个迫切而重要的研究课题。
2
Using corn starch as raw materials, a new type of phosphate-freedetergent auxiliary which is called hydrolytic oxide of corn starch was developed.
由玉米淀粉为原料开发出新型无磷洗涤助剂———玉米淀粉水解氧化物。
3
The layer crystal sodium disilicate is a high performance phosphate-freedetergent additive, which would not cause the rich-nutrition problem.