Researches on the chemical removal of SiO2 from highly viscous crude oil wastewater being reused in boilers
Zhao Zhenxing, Han Guihua, Li Ruili, Niu Heti, Wang Linhong
INDUSTRIAL WATER TREATMENT . 2004, (8): 28 -31 .  DOI: 10.11894/1005-829x.2004.24(8).28