Search results for “pulp washing”

Valmet Vacuum Filter

Valmet's CCA model Vacuum Filters  are suitable for all washing applications in the fiberline. They have a unique open-drum design, which provides many benefits compared to conventional drop-leg drum filters.

Valmet Batch Cooking, Washing and Bleaching at ITC Bhadrachalam

A major upgrade project of ITC Fiberline iincreased production capacity and efficiency. In collaboration with Valmet, upgrades included an additional batch cooking, washing upgrades and a shift to a single bleaching line, resulting in improved productivity, more consistent pulp quality, and promising reductions in chemical consumption.

Valmet Pressure Diffuser

Our Pressure diffusers are ideal as washing equipment after overloaded digesters. They provide high washing efficiency and reliable operation.

Operational basics of Compaction Baffle Filters (webinar)

Producing chemical pulp requires several unit operations involving washing dissolved solids from the pulp. The CB Filter combines two operations in one machine.

Valmet to supply an automation system for coal washing at SUEK's Tugnuisky open-pit mine in Eastern Siberia, Russia

5 Keys to Better Pulp Washing Operations (tips from the OEM)

In a recent interview, the Process Engineers and Product Managers from Valmet’s vacuum washer team offered five helpful tips for operators.

Valmet to supply a new screening and washing plant to Smurfit Kappa Cellulose Du Pin Biganos in France

Valmet to supply brown stock washing plant modernization to Södra Cell's Mörrum pulp mill in Sweden

Bleaching of chemical pulp

The key success factors in bleaching chemical pulp are effective mixing of bleaching chemicals into the pulp, well-defined retention times in bleaching reactors and barrier washing between bleaching stages. Barrier washing results in low chemical consumption, low effluent flows and the possibility to operate at zero fresh water consumption.

Bleach Plant Scrubber

Chlorine dioxide and ozone vapors from bleaching chemicals are harmful to the environment. The chlorine containing compounds in the bleach plant's exhaust gases are absorbed and acidic compounds are neutralized in a bleach plant scrubber.