The preparation of make-up water for boilers in Shangdu Power Generation Co Ltd by using total membrane water treatment technology

i.e.disc type filter+ultrafiltration+two-stage reverse osmosis+electrodeionization(EDI) has been presented

the problems encounted in operation of EDI facility and countermeasures adopted being emphatically given.Results of practical operation show that the total membrane water treatment technology is reliable in operation

being simple and convenient in management

the quality of effluent water can satisfy requirements of water used for boilers.In addition

by using the total membrane water treatment technology

the acid and alkali used in regeneration system for traditional mixed bed resin

as well as the discharge of waste water have been thoroughly eliminated.