INDUSTRY|wood industry|wood industry|pulp and paper industry
- tuaradh saor ó chlóirín eiliminteach Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
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- Comment <<<_not_supplied_>>>
- ECF bleaching
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- Definition bleaching sequence without the use of elemental chlorine, i.e. chlorine gas (Cl2) Reference "Joint Research Centre. 'Best Available Techniques (BAT) Reference Document for the Production of Pulp, Paper and Board' (14.3.2023). July 2013."
- Comment In ECF bleaching, chlorine dioxide (ClO2) is usually the main bleaching agent. The lignin removal by bleaching is carried out in several stages, the first two stages primarily releasing and extracting lignin and the subsequent stages removing the lignin residues and finishing the product.