초록 ▼

A process for purification treatment of an impure liquid, such as a contaminated condensate, obtained when producing paper or paper pulp. The liquid is introduced intro a stripper device at an admission point (C) and the stripper device is also supplied with an acidifier preferably at a point (D) th

A process for purification treatment of an impure liquid, such as a contaminated condensate, obtained when producing paper or paper pulp. The liquid is introduced intro a stripper device at an admission point (C) and the stripper device is also supplied with an acidifier preferably at a point (D) that is located above the admission point (C) and malodorous gases are driven off from the stripper device.

대표청구항 ▼

[ We claim:] [1.] A process for purification treatment of a contaminated liquid obtained when producing paper or pulp, the process comprising:producing the contaminated liquid;providing an acidifier fluid, a stripper device having an admission point and an acidifier point that is located above the a

[ We claim:] [1.] A process for purification treatment of a contaminated liquid obtained when producing paper or pulp, the process comprising:producing the contaminated liquid;providing an acidifier fluid, a stripper device having an admission point and an acidifier point that is located above the admission point and a liquid reflux and a reflux condenser that is in fluid communication with the stripper device;introducing the contaminated liquid into the stripper device at the admission point thereof;supplying the acidifier fluid to the liquid reflux;supplying the stripper device with the acidifier fluid at the acidifier point; anddriving off malodorous gases from the stripper device.