Because of these drawbacks, the slurry is usually converted to an iron sulfide powder through {TAIL ~ filtration}, {HEAD ~ washing}, and subsequent drying 
Because of these drawbacks , the slurry is usually converted to an iron sulfide powder through { TAIL ~ filtration } , { HEAD ~ washing } , and subsequent drying
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH