WATER PURIFICATION IN SPACE CONDITIONS

  • Leonid Fedorovich Dolina Dnipro National University of Railway Transport named after Academician V. Lazaryan
  • Olena Kostiantynivna Nahorna State Higher Education Establishment «Pridneprovsk State Academy of Civil Engineering and Architecture»
  • Yuliia Oleksandrivna Zhdan , Dnipro National University of Railway Transport named after Academician V. Lazaryan
  • Dmytro Andriyovich Dolyna «Legal company «Agata zakon» LTD
Keywords: SPACE; WASTEWATER TREATMENT FACILITIES; SPACE WATER TREATMENT TECHNOLOGY; SPACE LIFE SUPPORT SYSTEM

Abstract

The life support system of the International Space Station must include the provision of drinking water to the crew and the treatment and disposal of wastewater. The cost of water delivery to the ISS is very high, so it is necessary to improve the technological schemes of wastewater treatment in space in order to reuse water in a complete closed cycle. The studies were performed based on the analysis of Ukrainian and foreign scientific sources and reporting data on the specifics of water use at space stations and the treatment methods of the used waters (wastewaters). In addition to international experience, our own research was used to develop a technology for wastewater treatment in space. The authors of the article analyzed the operation of existing wastewater treatment facilities in space and made recommendations for their use at the ISS. The developed technology for the treatment of wastewater and drinking water in zero-gravity (space) is based on the use of various reactors. They can be made of various materials (metal, plastic, etc.); they do not contain non-standard equipment that requires factory manufacturing. Compactness, complete tightness and small dimensions of bio- and physicochemical reactors allow them to be installed within the ISS. The cleaning process is easy to manage and can be fully automated. Water problems are central to the whole world, including in space. The ISS should have a system for the wastewater treatment and their closed use, since the supply of new water to stations significantly increases the cost of space exploration. Quality water is the health and well-being of people in space. Since there is no gravity in space, centrifugal forces (centrifuges) must be used to separate suspended particles from water. A comprehensive review of the issues related to wastewater treatment in space, allows us to conclude that it is necessary to regenerate water at International space stations (ISS). Indeed, to ensure the life support of the astronauts, a colossal amount of water is required, and its delivery to the ISS from the Earth is expensive.

Author Biographies

Leonid Fedorovich Dolina, Dnipro National University of Railway Transport named after Academician V. Lazaryan

Ukraine, Dnipro National University of Railway Transport named after Academician V. Lazaryan.

Сand. sc. (tech.), private professor.

Interest - wastewater and industrial wastewater treatment technology; ecology; purification of water in the sinks of space.

Olena Kostiantynivna Nahorna, State Higher Education Establishment «Pridneprovsk State Academy of Civil Engineering and Architecture»

Ukraine, State Higher Education Establishment «Pridneprovsk State Academy of Civil Engineering and Architecture».

Сand. sc. (tech.), associate professor.

Interest - The latest methods and technologies of natural and wastewater treatment, mathematical modeling of water treatment processes.

Yuliia Oleksandrivna Zhdan, , Dnipro National University of Railway Transport named after Academician V. Lazaryan

Ukraine, Dnipro National University of Railway Transport named after Academician V. Lazaryan.

Іtudent.

Interest - wastewater and industrial wastewater treatment technology.

Dmytro Andriyovich Dolyna, «Legal company «Agata zakon» LTD

Ukraine, legal adviser «Legal company «Agata zakon» LTD

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Published
2021-11-17
How to Cite
Dolina, L. F., Nahorna, O. K., Zhdan, Y. O., & Dolyna, D. A. (2021). WATER PURIFICATION IN SPACE CONDITIONS. Journal of Rocket-Space Technology, 29(4), 194-202. https://doi.org/10.15421/452122
Section
Spacecraft, satellite systems and methods for processing satellite data