Fu Lan, the former director and designer of the Environment Control and Life Support System of Shenzhou 7 Spaceship, said in the interview held by Xinhua News Agency: Urine collection system which is equal to dust collector system was adopted when astronauts worked in the space. There were two plastic hoses separately aiming at the astronauts'excretory organs. When it worked, the system collected the excreta through inspiration, then liquid and solid were saved individually. To prevent odor pollution, the plastic hoses can make good sealing effect. Meanwhile, activated carbon is as deodorization adsorbent added into the system.
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