Where does the poop on the plane go?

This issue is planned by: Doraemon, Little Dandelion

This issue's copywriter: Tinker Bell

Design of this issue: 91

Scientific review: Guo Weihong, PhD, senior engineer, University of Chinese Academy of Sciences

Sources of images in this article: CNN, Reference [1], CCTV, BTV, World Knowledge Bureau, China Civil Aviation Network

References:

[1] Bomber Command Museum of Canada. (2010). "And When Nature Calls".

[2] Where does poop go? [J]. Children's Science Weekly (Youth Edition), 2021(09):12-13.

[3] Jiang Shaoxin, Zhong Zhiqiang. Research on the hazards and preventive measures of aircraft "blue ice"[J]. Journal of Civil Aviation Flight University of China, 2010, 21(04): 19-22.

[4] Zhang Jinna, Wang Xiaoyan, Wang Kewei, et al. Causes of fouling in aircraft vacuum sewage system and cleaning solutions[J]. Cleaning World, 2018, 34(12): 15-17.

[5] Where does the poop go in the toilets on trains and airplanes? [J]. Military Digest, 2021(16):48-51.

[6] Lei Bin. A brief analysis of cleaning and prevention of fouling in sewage pipes of Airbus aircraft[J]. Aviation Maintenance and Engineering, 2012(01):56-57.

[7] Xing Shaoping, Zong Fazhong. Cleaning of B737NG aircraft vacuum wastewater discharge pipe by recirculation method[J]. Journal of Xi'an Aeronautical University, 2014, 32(01):19-22.