树脂吸附法由卤水中提溴

Extraction of Bromine from Brine by RIP Method

采用树脂吸附法对四川邛崃卤水进行了提溴试验研究。考察了酸化pH值、氧化电位、吸附洗脱流速、还原剂及其用量、洗脱剂及其用量等工艺参数对提溴的影响,取得了树脂对溴吸附率93.8%～94.5%、溴洗脱率99.6%～99.9%、高溴液含溴14.46～14.72g/L、高溴液产率90.2%～93.2%、溴总回收率大于80%的良好技术指标,为盐井卤水、气田水提溴提供了合理的技术依据。

A experimental research on extracting bromine from Qionglai brine has been performed by RIP technology.The influence of some technological parameters,such as pH value,oxidation potential,eluant flow rate,reductants and their dosage,eluants and their dosage etc.on extraction of bromine was examined.The satisfactory technical indices obtained are as follows:adsorption rate of bromine reached to 93.8%～94.5%,eluation rate of brominereached to 96.6%～99.9%,the content of bromine in rich bromine liquor is 14.46～14.72g/L,the yield of rich bromine liquor is 90.2%～93.2%,total recovery of bromine is over 80%?The scientific experiments conducted by authors can provide rational technical criteria for extracting bromine from brine well and gas field water.