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(一)纸张是经济社会发展中消费量日益增大而又难于替换的一种社会基本材料。目前,除消费量较高的美国、北欧外,日本人均用纸年143公斤,西班牙71公斤,拉丁美洲31公斤,而我国仅6公斤。全世界人均年耗纸和纸板40公斤,因此,仅用草浆造纸巳满足不了加速发展的社会需要。据报导:瑞典制浆造纸用材占木材产量的63.8％,芬兰占55.5％,加拿大
(1) Paper is a basic social material whose consumption in economic and social development is increasing day by day and difficult to replace. At present, except for the United States and North Scountries that consume more, Japan uses 143 kilograms of paper annually, 71 kilos of Spain and 31 kilos of Latin America, while our country only has 6 kilos. Paper and paperboard are used up to 40 kilograms per capita in the world each year. Therefore, papermaking with straw pulp alone can not meet the social needs of accelerating development. It is reported that: Sweden’s pulp and paper materials account for 63.8% of timber production, Finland accounted for 55.5%, Canada