Nanofiltration is a form of filtration that uses membranes to preferentially separate different fluids or ions of nano scale.Its filtering capability is between UF and RO.

• 纳滤技术是近年来迅速发展起来的一项膜分离技术，其分离功能介于反渗透和超滤之间，可除去纳米级的颗粒；