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University of Toronto researchers find that adding small amounts of abietic acid, oleic acid, resin to black liquor evaporator streams can reduce loss of heat transfer, plugging caused by sodium salt fouling; treatment's underlying mechanism is unknown
Published:
January 07, 2022
by Engineering Daily News
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University of Alberta researchers design predictive controller of continuous pulp digester process consisting of co-current, counter-current zones where slow-fast separation does not hold; model ensures system theoretic properties, structure preservation
Published:
January 06, 2022
by Chemicals & Chemistry Daily
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Valmet, Klabin complete year of partnership in maintenance contract at Pilot Plant Park in Telemaco Borba, Brazil, with no work accidents over 365-day period; maintenance includes site's lignin extraction technology, microfibrillated cellulose production
Published:
January 03, 2022
by Valmet Corp.
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Valmet to supply oxygen delignification system, TwinRoll presses at Arkhangelskâs Pulp and Paper Mill in Novodvinsk, Russia, with startup in H2 2022; Valmet says its technology produces high-quality, long and short fiber pulp, ensures low effluent flows
Published:
December 22, 2021
by Valmet Corp.
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Andritz pulp drying lines achieve new world records at Bracell's Star project pulp drying plant in Lencois Paulista, Brazil; L2A set single-line record of 4,673 air dry tons/day, and L2A, L2B together set mill-wide world record of 8,897 air dry tons/day
Published:
December 22, 2021
by Andritz
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