There are about 50,000 books in the library that needs insecticidal treatment.
It is required to be environmentally friendly, zero pollution, zero residues, safe, non-toxic and harmless to book collections and the staff member.
Low-oxygen-controlled atmosphere technology is adopted in the insecticidal treatments in books.
The library decided to rent relevant equipment to improve efficiency and reduce the cost of insect treatment.
Flexible insecticidal tent, air compressor, nitrogen monitor and controller, bookshelves, oxygen scavenger, dehumidifier.
Oxygen concentration: 0.1%～21%
Air exchange rate: ≤0.02d-1