Directing against the affecting factors on SDI value of intaking water for reverse-osmosis system

and combining with pro- duction practice in Jiaxing Power Generation Co Ltd

several measures for controlling SDI value have been put forward

such as keep- ing normal operation of the filtrating pool

adjusting dosage of chemical medicaments and period of backwashing in operation

ensu- ring the activated carbon bed to have higher absorbing rate for chemical oxygen demand (COD)

and ensuring normal operation of bacteria killing etc..After implementation

the normal operation of reverse osmosis system has been guaranteed.