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Question: 1 in the production of paper logs are cut into...

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1. In the production of paper, logs are cut into small chips, which are stirred in an alkaline solution that dissolve some parts of the wood – but not the cellulose. The slurry of undissolved chips in solution is processed to recover most of the original alkaline solution and dried wood pulp. In a process, wood chips with a specific gravity of 0.64 containing 45 wt% water and 47 wt% (dry basis) cellulose are treated to produce 1400 tons/day of dry wood pulp containing 85 wt% cellulose. Estimate the feed rate of logs (logs/min), assuming that the logs have an average diameter of 8 inches and an average length of 7 feet.

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