Easy to use and fairly inexpensive, the method involves an enzymatic hydrolysis of the pulp
followed by a second hydrolysis with trifluoroacetic acid (TFA).
Fleet says OSB mills are struggling much the same as pulp
and paper mills due to the combination of energy prices, a high Canadian dollar and a declining U.
How the Ningbo Xiaogang mill is a microcosm of the Chinese pulp
and paper industry
In Sweden, pulp
mills have to meet stringent standards, and were required to reduce chlorine content by 90 percent as early as 1993.
We have shown that sex ratios of eelpout broods in the vicinity of a pulp
mill were male biased in 1997, 1998, and 2000.
Because of the fiber morphology, the pulp
fibrils have a surface of aromatic rings and amide groups.
Why Veracel developed long-term partnerships to help operate its new pulp
Projects included a new wood room in 1982 which handles 700,000 cords per year (predominantly jack pine and spruce), a new pulp
machine in 1982 which produces 780 metric tons of bleached kraft pulp
per day, a stud mill in 1983 with a running capacity of 265,000 board feet per day and a new white-paper machine which produces 300 metric tons of white paper per day.
This suggests, Silbergeld says, that focusing on dioxins and furans should not obscure the more general problem--the generation of a whole host of potentially toxic compounds through chlorine bleaching of pulp
2], papermakers may be able to decrease oxalate-related scaling without sacrificing brightness in bleached mechanical pulp