Biomass materials will be widely used at the 2010 Shanghai World Expo
(January 17, 2007)
Disposable tableware will no longer be used at the 2010 Shanghai World Expo Instead of using traditional plastic, it is made of biomass material "corn plastic", which does not cause any pollution to the environment. On January 16, at the Centenary Celebration Forum of Tongji University, Professor Ren Jie, deputy dean of the School of Materials Science and Engineering, revealed that not only disposable cups, trays, and packaging boxes, but also street signs, badges, and magnetic cards used at the World Expo will also Possibly derived from corn.
Ren Jie explained that this brand-new biomass material is called "polylactic acid", which is a "green oil" prepared from corn and other crops through biological fermentation technology. This material can be recycled, following a circular chain from crops to lactic acid, to polylactic acid, to polylactic acid products, and then to natural degradation, without any burden on the environment. It can be widely used in fields such as agricultural mulch film, fiber textiles, disposable products, packaging materials, engineering plastics, and even modern medical materials. "For example, medical bone nails, steel nails are often used now and need to be removed or replaced. If Using degradable polylactic acid, the bone nail can automatically degrade after a certain period of time, avoiding secondary pain for the patient."
The 2005 Aichi World Expo in Japan has begun to use polylactic acid, a biomass material, to make disposable tableware, trays, and even notebook casings. Ren Jie told reporters that the corn plastic produced in the United States was used at the Aichi Expo. It uses a two-step preparation method with cumbersome process lines, low yield, and high cost, making it unsuitable for large-scale production. "At the 2010 Shanghai World Expo, we will use a one-step polylactic acid preparation process, which is cost-effective, safe and can ensure output."
Ren Jie said that using "corn plastic" as packaging materials has already Being included in the World Expo special plan, used discarded cups or packaging boxes will be landfilled for natural degradation and recycled as absorbable materials. According to reports, global plastic production reached 200 million tons in 2005, and my country's production was about 18 million tons. Not only does the manufacturing process of traditional plastics consume a lot of energy, but some of the finished products are recycled, while the rest are disposed of through incineration, landfill and other methods, which will cause serious pollution such as land waste and the release of toxic substances.
Ren Jie also revealed that although it is more than enough to use edible corn to make large quantities of biomass packaging materials, experts are still studying the use of other biomass materials including sugar cane, potatoes and sweet sorghum. into plastic products, especially energy materials.
These papers should help you!
Instructor: Qi Qingjie Instructor: Liaoning University of Engineering and Technology Degree awarding unit: Liaoning University of Engineering and Technology
[1] Zhou Xinhua. Biomass material pyrolysis experiment and kinetic analysis [D ]. Liaoning University of Engineering and Technology, 2006
[2] Yu Guisheng. Research on defluorination reaction mechanism of typical desulfurization process of coal-fired boilers [D]. Liaoning University of Engineering and Technology, 2007
[3] Sun Qingwei. Research on high-temperature combustion desulfurization agents and new desulfurization technologies in industrial chain furnaces [D]. Liaoning University of Engineering and Technology, 2007
[4] Fu Xianwei. Mine man-machine-environment system Safety evaluation [D]. Liaoning University of Engineering and Technology, 2007
[5] Xiao Dan. Research on gas explosion characteristics and influencing factors in confined spaces [D]. Liaoning University of Engineering and Technology, 2007
[6] Wu Xian. Fluorine precipitation behavior during coal combustion and its combustion transformation characteristics in industrial and power station boilers [D]. Liaoning University of Engineering and Technology, 2005
[7] Hao Yu. Experimental study on the precipitation characteristics and desulfurization of coal-fired sulfur [D]. Liaoning University of Engineering and Technology, 2005
[8] Li Xueqing. Analysis and comprehensive prevention of groundburst accidents in Wulong Coal Mine of Fukuang Mining Group Technology Research [D]. Liaoning University of Engineering and Technology, 2005
[9] Yang Yu. Fuxin City Atmospheric Environmental Pollution Model and Evaluation [D]. Liaoning University of Engineering and Technology, 2002
China Journal Full Text Database*** found 21 items
[1] Zhang Hongxun, Li Lin. Research progress on cellulosic biomass pyrolysis technology [J] Journal of Beijing Union University, 2004, (01).
[2] Ma Linzhuan, He Ping, Wang Hua. Pyrolysis of coal and biomass [J] Guizhou Chemical Industry, 2004, (01).
[3] Cui Yabing, Chen Xiaoping, Gu Lifeng. Thermogravimetric study of biomass pyrolysis characteristics under normal pressure and pressurized conditions [J] Boiler Technology, 2004, (04).
[4] Liu Jianyu, Zhai Guoxun, Chen Rongrong. Health Analysis of characteristics of direct combustion process of material fuels [J] Journal of Northeast Agricultural University, 2001, (03).
[5] Wang Fang, Zhou Yide, Li Zaifeng, Yue Feng. Main factors affecting biomass gasification indicators Analysis [J] Henan Science, 2004, (01).
[6] Gao Xiansheng. Thermochemical reaction characteristics of biomass and straw gasification issues [J] Renewable Energy, 2004, (02).
[7] Liu Ronghou, Chen Yiliang, Lu Nan, Niu Weisheng. Experimental research on biomass thermal cracking technology [J] Rural Energy, 1999, (05).
[8] Hu Yunchu, Chen Qianwen, Zhou Peijiang, Song Zhaohua, Xie Changli, Qu Songsheng. Research on the kinetics of thermal decomposition of wood [J] Forest Products Chemistry and Industry, 1995, (04).
[9] Zhou Shanyuan. New news in the 21st century Energy - Biomass Energy [J] Jiangxi Energy, 2001, (04).
[10] Jiang Jianchun, Shen Zhaobang. Research on biomass pyrolysis kinetics [J] Forest Products Chemistry and Industry, 2003, (04).
[11] Wu Tingting, Cao Jianqin, Wei Dunsong, Wen Wang. Study on the kinetics of biomass air gasification reaction by isothermal thermogravimetry [J] Coal Gas and Thermal Power, 1999, (02) .
[12] Li Gailian, Wang Yuanhong, Yang Jitao, Li Jihong, Huang Hao, Zhang Kai. Utilization status and prospects of biomass energy in China [J] Journal of Henan Agricultural University, 2004, (01).
[12] p>
[13] Liu Hanqiao, Cai Jiuju, Bao Xiangjun, Wang Bo. Comparative study of two reaction models of waste biomass pyrolysis [J] Journal of Materials and Metallurgy, 2003, (02).
[14] Zhou Shixue, Nie Xiwen, Wang Rongchun, Liu Zechang. High-sulfur and strong caking coal and biomass*
**Research on Pyrolysis[J] Journal of Fuel Chemistry, 2000, (04).
[15] Ye Xinhao, Wang Yonghong, Chu Ju, Guo Meijin, Zhuang Yingping, Zhang Siliang. Biomass fuel[J ]Journal of Biology, 2004, (02).
[16] He Fang, Yi Weiming, Bai Xueyuan, Li Yongjun, Zha Jianwen. Comparison of several biomass pyrolysis reaction kinetic models[ J] Journal of Solar Energy, 2003, (06).
[17] Jiang Shuqin. Combustion and pyrolysis characteristics of biomass fuel [J] Journal of Solar Energy, 1995, (01).
[18] Yu Juan, Zhang Mingchuan, Shen Yi, Fan Weidong, Zhou Yuegui. Thermogravimetric analysis of biomass pyrolysis characteristics [J] Journal of Shanghai Jiao Tong University, 2002, (10).
[ 19] Song Chuncai, Hu Haoquan, Zhu Shengwei, Zhu Yinghua. Thermogravimetric analysis of biomass straw and comparison of results of several kinetic models [J] Journal of Fuel Chemistry, 2003, (04).
[20] Lai Yanhua, Lu Mingxin , Ma Chunyuan, Shi Mingheng. Pyrolysis rules of straw biomass fuel under programmed temperature[J] Combustion Science and Technology, 2001, (03).
China Excellent Master's Thesis Full-text Database*** Found 60 items
[1] Ma Xiaofei. Experimental study on biomass pyrolysis and liquefaction [D] Chongqing University, 2005.
[2] Zhong Hao. Biomass biomass production using steam as gasification agent Research on material pyrolysis and complete gasification technology [D] Yunnan Normal University, 2000.
[3] Wang Zhihe. Characteristics test and research of coal-wood mixed coal [D] Nanjing Forestry University, 2006.
[4] Li Weili. Design and experiment of biomass briquette fuel hot air heating furnace [D] Henan Agricultural University, 2005.
[5] Xu Yongsong. Microbial fermentation heat transfer characteristics Research and temperature field simulation [D] Chongqing University, 2006.
[6] Xu Jianqi. Measurement study of forest biomass energy resources and resource collection radius [D] Beijing Forestry University, 2006.
[7] Shang Bin. Experimental study on the pyrolysis characteristics of livestock and poultry manure[D] Chinese Academy of Agricultural Sciences, 2007.
[8] Jia Mengli. Design study of spherical biomass forming machine[D] Henan Agricultural University, 2006.
[9] Huang Hao. Straw mobile evaporation front drying model and its experimental study [D] Henan Agricultural University, 2005.
[10] Liu Yanyang . Experimental research on biomass thermal cracking to produce bio-oil [D] Jilin Agricultural University, 2005.
＞＞More
China Doctoral Dissertation Full-text Database*** Found 17 Article
[1] Liu Shengyong. Development and experimental research on biomass (straw) molded fuel combustion equipment [D] Henan Agricultural University, 2004.
[2] Chen Ping. Biomass Research on fluidized bed gasification mechanism and industrial application[D] University of Science and Technology of China, 2006.
[3] Ma Xiaojun. Preparation and structural performance characterization of wood phenol liquefied carbon fiber materials[D] Beijing Forestry University, 2007.
[4] Jiang Jianchun. Research on biomass thermochemical conversion behavior characteristics and engineering [D] Chinese Academy of Forestry Sciences, 2003.
[5] Wang Xiaohan. Construction of pulverized coal near-wall combustion model and research on characteristics of liquid slagging burner [D] University of Science and Technology of China, 2006.
[6] Wen Junming. Pyrolysis characteristics of municipal solid waste Experimental research and prediction model [D] Zhejiang University, 2006.
[7] Yan Zhen. Research on pyrolysis characteristics of larch bark and glue production technology from pyrolysis oil [D] Beijing Forestry University, 2006.
[8] Huang Biao. Research on the carbonization theory of fir thinning wood and its application of carbonized materials in environmental protection[
D] Nanjing Forestry University, 2004.
[9] Huang Haizhen. Research on the kinetic characteristics of coal and biomass mixing and the sulfur fixation characteristics of molded fuel [D] Jilin University, 2007.
[10] Song Chuncai. Research on pyrolysis and liquefaction of crop straw in water [D] Dalian University of Technology, 2003.
＞＞More
China Journal Full-text Database** *152 items found
[1] Jiang Fan, Pan Zhonggang, Jiao Weihong, Jiang Shuqin, Liu Shi, Wang Haigang, Su Yaxin. Experimental study on the combustion characteristics of mixed garbage [J] Power Engineering, 2003, (03 ).
[2] Luo Jie, Tian Xueda, Wei Xuefeng. Research on improving the combustion performance of biomass fuel with solid oxidant [J] Energy and Environment, 2005, (02).
[ 3] Jiang Shuqin, Jiao Weihong. Research on the combustion performance of municipal solid waste [J] Journal of Engineering Thermophysics, 1998, (05).
[4] Gao Yaping. Flame-retardant cable insulation material PVC Research on pyrolysis characteristics [J] Engineering Plastics Applications, 2007, (03).
[5] Jiang Yanli, Qi Qingjie, Zhou Xinhua. Experimental research and kinetic analysis of constant temperature pyrolysis of corn straw [J] Energy and Environment, 2006, (03).
[6] Ding Fuchen, Chi Yaoling, Yi Yufeng. Research progress on biomass pyrolysis liquefaction technology and its product utilization [J] Journal of Beijing Institute of Petrochemical Technology, 2007, (02).
[7] Ma Xiaoqin, Luo Zhongyang, Yu Chunjiang, Fang Mengxiang, Zhang Bailiang, Zhao Tinglin, Zheng Zhulin. Design of double-gallbladder anti-burning furnace for straw pellet fuel [J] Power Engineering, 2005, (06).
[8] Duan Jia, Luo Yonghao, Lu Fang, Chen Yi, Hu (Wang Le) Yuan, Wang Qingcheng. Thermogravimetric analysis study of pyrolysis characteristics of biomass waste [J] Industry Heating, 2006, (03).
[9] Jia Jing, Yu Hua, Zhang Shuxing. On the system improvement of developing biomass energy in rural construction [J] Modern Agricultural Science and Technology (First Half of the Month), 2006 , (08).
[10] Chen Yi, Luo Yonghao, Lu Fang, Duan Jia. Research progress on biomass pyrolysis mechanism [J] Industrial Heating, 2006, (05).
＞＞More
China Important Conference Papers Full Text Database*** Found 18 items
[1] Jiang Enchen, He Guangshe. Comparative study on biomass thermal decomposition technology[A ] Agricultural Engineering Science and Technology Innovation and Construction of Modern Agriculture - Volume 4 of the 2005 Academic Annual Conference of the Chinese Society of Agricultural Engineering [C], 2005.
[2] Yi Weiming, Bai Xueyuan, Li Zhihe , Li Yongjun, He Fang. Research on the volatile characteristics of corn straw powder under flash heating (English) [A] Proceedings of the 2003 International Agricultural Bioenvironment and Energy Engineering Forum [C], 2003.
[3] Sun Li, Xu Min. Fixed bed pyrolysis gasification reaction characteristics of low-quality biomass raw materials [A] Proceedings of the Biomass Energy Professional Committee of the Chinese Solar Energy Society [C], 2001.
[4] Wang Lihong, Yi Wei Ming, Bai Xueyuan, Li Yongjun. Experiment on flash pyrolysis volatilization characteristics of two agricultural wastes [A] Proceedings of the 2005 China Biomass Technology and Sustainable Development Symposium [C], 2005.
[5] Yi Weiming, Bai Xueyuan, He Fang, Li Yongjun, Li Zhihe. Biomass rapid cracking and liquefaction technology [A] New solar energy technologies in the 21st century - Proceedings of the 2003 Academic Annual Conference of the Chinese Solar Energy Society [C], 2003.
[6] Li Zaifeng, Lei Tingzhou, Ding Ming, Cui Junzhen, Hu Jianjun. Research on biomass pyrolysis carbon production and gas production system [A] 2004 China Biomass Energy Technology and Sustainable Development Seminar Proceedings [C], 2004.
[7] He Guangshe, Jiang Enchen. Experiment on retort cracking process of biomass molding materials [A] China Rural Energy Industry Association
Proceedings of the Youth Academic Symposium on Biomass Development and Utilization of the Fourth National Member Congress New Rural Areas, New Energy, and New Industries Forum [C], 2006.
[8] Zeng Guoyong, Zhang Weiwei, Chen Xueli, Yu Zunhong. Effect of carrier gas on the performance of biomass pyrolysis semi-coke [A] Abstract collection of papers from the 2006 Academic Annual Meeting of the Shanghai Society of Chemistry and Chemical Engineering [C], 2006.
[9] Xiong Zuhong, Zhao Zengli, Li Haibin, Wu Chuangzhi, Chen Yong. Research on the characteristics of biomass temperature-programmed catalytic cracking [A] Proceedings of the 2005 China Biomass Energy Technology and Sustainable Development Symposium [C], 2005.
[10 ] Cai Jie, Fan Fengxian, Yuan Zhulin. Numerical simulation research on efficient combustion of straw circulating fluidized bed [A] Proceedings of the International Symposium on Scaled Development of Renewable Energy and the Third Pan-Yangtze River Delta Energy Technology Forum [C], 2006.
＞＞More