Water Flashcards
(3 cards)
1
Q
What is average fresh water consumption per kg of paper
A
7kg water per kg paper
2
Q
What are the disadvantages of closing water loops
A
Higher concentration of contaminants
Increased biological activity –> acidification
problems with retention/runtime deposits
3
Q
What are advantages of closing water loops
A
Reduced fresh water consumption -
Lower waste water - reduction in charges
Higher temperature in approach flow - helps dewatering
