硫酸铝溶液 meaning in English
alum liquor
Examples
- Photographic grade aluminum sulfate solution
摄影级硫酸铝溶液 - The effective regeneration procedure is soaking the adsorbent 30 ~ 50h with 1 - 2 % al2 ( so4 ) 3 for activated alumina and 20 ~ 30h with 1 - 1 . 5 % naoh for bone char . studies show both activated alumina and bone char are excellent adsorbents for the removal of fluoride from drinking water . fluoride concentration below 1 . 0mg / l can be acquired easily with them and meets the requirement of drinking water standards
对两种除氟剂进行的再生液与吸附剂体积比为1 : 1的再生实验表明:用硫酸铝溶液对活性氧化铝再生,再生浓度为1 2 ,再生时间为30 50h ,冲洗浸泡时间为5h效果较好;对骨炭再生,氢氧化钠再生液浓度为1 1 . 5 ,再生时间为20 30h效果较好。