mechanical pulp

简明释义

机碎木浆

英英释义

例句

1.The quality of paper made from mechanical pulp is generally lower than that made from chemical pulp.

由机械浆制成的纸张质量通常低于由化学浆制成的纸张。

2.The production of paper from mechanical pulp is a cost-effective method that utilizes wood chips.

从机械浆生产纸张是一种利用木屑的经济有效的方法。

3.Manufacturers often choose mechanical pulp for its high yield and lower production costs.

制造商通常选择机械浆，因为它的产量高且生产成本低。

4.In the recycling process, mechanical pulp can be obtained from used paper products.

在回收过程中，可以从废纸产品中获得机械浆。

5.The environmental impact of using mechanical pulp is often less than that of chemical processes.

使用机械浆的环境影响通常低于化学工艺。

作文

The term mechanical pulp refers to a type of pulp used in the paper-making process, which is produced through mechanical means rather than chemical processes. This method involves grinding wood logs against each other or against metal surfaces to separate the fibers from the lignin and other components of the wood. The resulting product, mechanical pulp (机械浆), is characterized by its high yield and relatively low cost compared to chemical pulps. However, it typically has lower brightness and strength, making it suitable for specific applications, such as newsprint and other low-quality papers.One of the primary advantages of using mechanical pulp is its efficiency. Since the process does not involve chemical treatment, it requires less energy and fewer resources. This makes it an environmentally friendly option, particularly when considering the growing concerns over sustainability in the paper industry. Furthermore, the high yield of mechanical pulp means that more paper can be produced from a given amount of wood, which is an important factor for manufacturers looking to maximize their output while minimizing costs.However, there are some drawbacks to using mechanical pulp. The fibers produced through mechanical methods tend to be shorter and weaker than those obtained through chemical processes. This results in a paper product that may not hold up as well under stress or have the same durability as papers made from chemical pulps. For this reason, mechanical pulp is often blended with other types of pulp to enhance its properties and create a more versatile final product.In addition to its use in traditional paper products, mechanical pulp has found applications in various other industries. For example, it is used in the production of certain types of cardboard and packaging materials, where strength and durability are less critical. The lower cost of mechanical pulp also makes it an attractive option for these industries, allowing manufacturers to produce affordable products without sacrificing too much quality.As the demand for sustainable practices continues to rise, the role of mechanical pulp in the paper industry is likely to evolve. Innovations in processing techniques may lead to improvements in the quality of mechanical pulp, making it a more viable option for a wider range of applications. Moreover, the increasing interest in recycling and the circular economy may further enhance the appeal of mechanical pulp, as it can be produced from recycled wood sources and contributes to reducing waste.In conclusion, mechanical pulp (机械浆) plays a significant role in the paper-making industry, offering a cost-effective and environmentally friendly alternative to chemical pulps. While it has some limitations in terms of strength and brightness, its high yield and lower production costs make it an essential component in the manufacturing of various paper products. As the industry continues to adapt to changing consumer demands and environmental considerations, the future of mechanical pulp appears promising, with potential advancements that could enhance its properties and expand its applications.