Paper Technology International 2020 - Journal - Page 105
PAPERTECHNOLOGYINTERNATIONAL
Benefits of Wet - Gas Sulphuric Acid (WSA) Process for Pulp Mill
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Environmental and economic savings by reducing chemical costs and amount of effluents purged
Helps managing and controlling the mill’s sodium /sulphur (Na/S) balance
Allows pulp mills to produce commercial grade (> 98%) sulfuric acid, thus eliminating the need to invest in parallel storage and
distribution systems for acid of a lower concentration
Due to savings of expensive sodium hydroxide, investment pay-back is extremely short
Well-proven technology in other industries, now made available by ANDRITZ for implementation at all pulp mills
The technology used for Klabin’s sulfuric acid plant is based on ANDRITZ’s A-Recovery concept that enables mills to extract
side streams from the pulping process and turn them into commercial grade products and commodities.
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Packaging – quo vadis? Ramon Rohe, Omya International AG - Paper Technology International 2020 - Journal - Page 98
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