I. Economic Use of Poplar
The use of wood is generally determined based on the structural, chemical and physical mechanical properties of the wood. The early and late seasons of poplar and fiber have a small difference in cell wall thickness, while the contents of lignin, pentose sugar and resin ash are low, and the wood is white, resin is small, easy to bleach, and the pulping rate is high. It is an excellent papermaking raw material, and also a good glued sheet and Fiber plate can be said that the whole plant can be used, but the way is different.
1, large diameter material, small head diameter of 26cm or more, mainly used as plywood material.
2, medium diameter material, small head diameter of about 20cm, mainly used for pulp and paper production.
3, small diameter material, small head diameter 4-12cm material, mainly used for the production of fiberboard and particleboard, the products it produces are environmentally friendly and coordinated products, can produce excellent quality and quality with low quality and cheap wood and other fiber raw materials. Stable, versatile, and high value-added wood-based panel products are used in place of other wood-based panels such as sawn timber and plywood. They are widely used in furniture manufacturing and interior decoration. The prospects are very broad.
Second, market prospects
According to the fifth national survey of forest resources, the country’s total amount of standing timber is 12.488 billion m 3, the forest area is 158.949 million hectares, the forest reserves are 11.267 billion m 3, and the forest coverage rate is 16.55%. Due to the severe shortage of resources, the forest area is distributed. Inequality poses a serious threat to the ecological security of the country. In order to promote the sustainable development of the society and economy, and promote the harmony between man and nature, the state has fully implemented six forestry project constructions, especially natural forest protection projects, to the Northeast and Inner Mongolia, and The logging of natural forests in the upper and middle reaches of the Yellow River and the upper reaches of the Yangtze River, as well as the restrictions on timber harvesting, will certainly make the role of forestry more obvious in terms of ecology. Due to the implementation of this project, even the northeast region will import timber from Russia. According to statistics, in recent years, China purchased about 19 million tons of wood pulp and high-grade paper with giant extra rivers to meet the needs of the national economy and people's production and living.
Dongting Lake District has unique natural conditions, and the development of poplar production has broad prospects. Yueyang Paper Group and Changsha Changyuan Wood-based Panel Co., Ltd. need more than 4 million m3 of wood annually, even the city’s Xiangzhong Wood and Junyi Wood. The annual throughput of wood in the industry is more than 50,000 m3. It can be seen that under the premise of the shortage of wood and the wide use of wood and its finished products, grasping opportunities, seizing opportunities, and vigorously building industrial raw material forests dominated by poplars are investment hotspots and high returns. A sunrise industry.Anti Cancer, which can be used in drugs for treating cancer, raw material. 7-Ethylcamptothecin, 10-hydroxycamptothecin.
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