Traditional Culture Encyclopedia - Traditional culture - What does a paper mill use for pulp bleaching? What is the least pollution caused by bleaching?
What does a paper mill use for pulp bleaching? What is the least pollution caused by bleaching?
Chlorine-free bleaching (TCF), also known as pollution-free bleaching, uses chlorine-free substances such as O2, H2O2 and O3 as bleaching agents to bleach pulp under medium and high consistency conditions, which does not pollute the environment. Less chlorine bleaching (ECF) uses chlorine dioxide as bleaching agent to bleach pulp under medium and high concentration conditions. Very safe
- Previous article:What books did Li Ao write?
- Next article:How to make delicious five grain rice paste
- Related articles
- What stories do you know about ancient figures in China?
- Manuscripts of Zodiac and Traditional Culture
- Ask for some good-looking novels, no matter when they are good-looking.
- Introduction to the price and classification of aluminum alloy sheet
- Cost analysis of how to cook dishes
- How to understand young people's love for traditional culture?
- Will your parents hate you for wearing torn jeans?
- Mimosa Media 202 1 Hidden Route
- There are 19 beautiful ancient villages of ethnic minorities in China, with blue bricks and tiles and smoke curling up, which are suitable for staying for a few days.
- The goal of team culture construction