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brittle paper, but was the easiest to bleach; and wheat straw was intermediate between the two. The yields, calculated from test sheet data, were from 38 to 43 per cent. of bleached pulp from the bone-dry raw material.
Cost data were not estimated, but a comparison of the time of cooking, yields, and chemical consumption with commercial wood processes indicated that the time and chemicals for cooking were slightly less, the yields the same or slightly less, and the bleach consumption greater for straws.
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๐ SIMILAR VOLUMES
New European standards are now under preparation which also extend to verifying the energy requirement of a building}plant system for air conditioning. For this aim a simpli"ed technique like the utilization factor method, just foreseen for the heating season, has been taken into account. Therefore