PFS attracts peoples attention by its remarkable coagulant performance, especially its harmlessness and innocuousness .
聚合硫酸铁以其良好的絮凝性能和无毒无害的优点倍受人们的关注。
2
In ozone producing industry, this technology really realizes innocuousness and harmlessness without secondary pollution.
在臭氧制造行业，该技术真正实现了无毒、无害、无二次污染。
3
The results show that the coating is excellent in flame retardancy, simple in technique, lower in cost and innocuousness. it can be used in flame retardancy to paper and wood.