Method and arrangement for degassing treatment substance of a fiber web

摘要

The invention relates to a method for degassing a treatment substance of a fiber web, in which method the treatment substance is degassed in a degassing unit (15). Temperature of the treatment substance is adjusted to temperature below 35 °C by cooling the treatment substance in a temperature control unit (12) before degassing of the treatment substance in the degassing unit (15). The invention also relates to an arrangement for degassing treatment substance of a fiber web, which arrangement comprises a degassing unit (15). The arrangement comprises a temperature control unit (12) before the degassing unit (15) for adjusting temperature of the treatment substance is to temperature below 35 °C before degassing.