Article updated on 17 August 2021.
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菲律宾科学技术系(DOST-FPRDI)森林产品研究与发展研究所的研究人员开发了一种利用热油处理的竹保存方法。欧洲杯线上买球这项技术受欧洲的热修改(TM)过程的启发,是一种更环保的方法,可以保护材料并保护其免受害虫和真菌的侵害。由于竹子是菲律宾被认为可持续的重要建筑材料,因此该技术可能会对建筑行业和该国的环境影响产生积极影响。
竹子作为可持续建筑材料
Since ancient times, bamboo has been used as a natural construction material, particularly in areas where the plant grows in tropical and mild temperate climates. Its properties, such as its flexibility and strength, have helped cement the material as a go-to building material in many global regions. However, in the 1980s during the global shortage of housing materials, the material saw a resurgence in popularity as it was selected for its low cost and durability. Since then, bamboo has been developed into other materials more suited to the needs of modern construction projects.
A high level of interest in bamboo, not only as a construction material but as an alternative material for various uses, partly due to its environmental benefits and position as a green material. Unlike other natural building materials, such as wood, bamboo benefits from its very fast growth rate, making it more suitable for afforestation. The harvesting of bamboo in a sustainable manner has less of a negative impact on the environment than other building materials. Scientists suggest that sustainable harvesting of bamboo can be achieved by cutting 20% off the top of mature stems, allowing their height to be replaced annually, maintaining the abundance of the plant. However, bamboo harvesting is not without its drawbacks and environmental impact, as there is some evidence to suggest that it may impact species variety.
Overall, bamboo is a valuable and affordable building material considered more sustainable than its counterparts. For this reason, techniques to preserve the material are essential for ensuring the longevity of the buildings it is used to construct. Here, we discuss a new process developed by DOST-FPRDI in the Philippines that will support bamboo in the future.
开发一种新的竹保存技术
新的“hot oil bath” technology developed to preserve bamboo was carried out by DOST-FPRDI and funded by DOST-Philippine Council for Agriculture, Aquatic and Natural Resources (PCAARRD). The project successfully created a method of preserved bamboo by reusing spent cooking oil. As a result, the technology benefits the industry as it utilizes a waste product and maintains a sustainable building material.
新方法使用花费的食用油代替新鲜的植物油来降低加热培养基的成本。该设备制2020欧洲杯下注官网造比进口到该国的类似技术便宜得多,这使得在菲律宾的企业购买和经营更负担得起。
该技术的原则是,以极高的温度(160°C至240°C)加热木材或竹子会破坏吸引昆虫的材料中的营养,同时杀死植物可能携带的任何真菌。
So far, the equipment has been tested on 8 ft-long bamboo poles. The resultant treated poles were said to be characterized in terms of “machinability, gluability and finish ability,” according to the DOST chief. Such characteristics enhance bamboo’s properties as a construction material. It was also noted that bamboo pole tests helped establish optimal oil heat treatment conditions.
A Safer Method of Protecting Bamboo Growing in Popularity
这项新技术提供了一种治疗竹子的方法,该方法通常不需要有毒化学防腐剂来保护材料免受昆虫和真菌的侵扰。
The technology, which originated and initially gained popularity in Europe, looks poised to impact Southeast Asian countries, including the Philippines, significantly. In addition to protecting the material and reducing the environmental impact of preservative processes, the new hot oil treatment also improves the bamboo’s dimensional stability and color.
Establishing Bamboo as a Sustainable Alternative Material
Bamboo has already enjoyed a resurgence in popularity due to its strength, flexibility, and low cost, making it an accessible building material. In recent years, there has been a focus on its sustainability. While the material is not 100% sustainable, particular harvesting practices must be observed to minimize its environmental impact as much as possible. In general, it is considered more sustainable than alternative materials such as wood.
保存竹子的新的石油热处理技术可能有助于进一步的竹子作为建筑材料的知名度,有助于减少建筑行业的环境影响。
References and Further Reading
'Hot oil bath’:pH可以开发使用油热处理来保存竹子的替代方法。Charissa Luci-atienza。马尼拉公告。可用网址:https://mb.com.ph/2021/05/09/hot-oil-bath-ph-develops-alternative-method-of-preserving-bamboo-using-oil-heat-treatment/
Manandhar, R., Kim, J. and Kim, J., 2019. Environmental, social and economic sustainability of bamboo and bamboo-based construction materials in buildings.Journal of Asian Architecture and Building Engineering, 18(2), pp.49-59.https://www.tandfonline.com/doi/full/10.1080/13467581.2019.1595629
Salzer, C., Wallbaum, H., Lopez, L. and Kouyoumji, J., 2016. Sustainability of Social Housing in Asia: A Holistic Multi-Perspective Development Process for Bamboo-Based Construction in the Philippines.可持续性, 8(2), p.151.https://www.mdpi.com/2071-1050/8/2/151
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