利索-全球专利检索

  1. 登录
  2. 注册
发明公开
CN109012758A 一种用于吸附氟离子的ZrCl4改性ZIF-8复合吸附剂的制备方法及其应用 无效 - 驳回

一种用于吸附氟离子的ZrCl4改性ZIF-8复合吸附剂的制备方法及其应用
摘要：
本发明公开了一种用于吸附氟离子的ZrCl4改性ZIF‑8复合吸附剂的制备方法及其应用，将0.745g ZrCl4·6H2O分散于15mL甲醇中，加入6.4mL摩尔浓度为1mol/L的氢氧化钠溶液，超声5min得到澄清溶液，于40℃在搅拌的条件下加入100mg ZIF‑8，反应30min，再以6000rmp的转速离心10min，然后于50℃真空干燥12h得到用于吸附氟离子的ZrCl4改性ZIF‑8复合吸附剂，该复合吸附剂能够用于处理含氟废水。本发明制备工艺简单、反应条件温和且合成周期较短，合成的复合吸附剂吸附量大，吸附速率快，用于处理含氟废水时氟离子去除吸附率达到92.2%以上。
摘要（英）：

A method for preparing a ZrCl4 modified ZIF-8 composite adsorbent used for fluorinion adsorption and application of the composite absorbent are disclosed. The method includes dispersing 0.745 g of ZrCl<4>.6H2O into 15 mL of methanol; then adding 6.4 mL of a sodium hydroxide solution having a mole concentration of 1 mol/L; performing ultrasonic treatment for 5 min to obtain a clear solution; adding100 mg of ZIF-8 under stirring into the clear solution at 40 DEG C; reacting the mixture for 30 min; then performing centrifugation at a rotation speed of 6000 rpm for 10 min; and drying a product invacuum at 50 DGE C for 12 h to obtain the composite adsorbent. The composite adsorbent can be used for treating fluorine-containing wastewater. The method has characteristics of a simple process, mild reaction condition and a short synthesis period. The synthesized composite adsorbent is high in adsorption capacity and high in adsorption rate, and the fluorinion adsorption rate when the compositeadsorbent is used for treating fluorine-containing wastewater is 92.2% or above.

0/0