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Friday, May 8, 2020 | History

3 edition of A membrane-based subsystem for water-vapor recovery from plant-growth chambers found in the catalog.

A membrane-based subsystem for water-vapor recovery from plant-growth chambers

A membrane-based subsystem for water-vapor recovery from plant-growth chambers

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Published by National Aeronautics and Space Administration, Ames Research Center, National Technical Information Service, distributor in Moffett Field, Calif, [Springfield, Va .
Written in English

    Subjects:
  • Humidity -- Control.

  • Edition Notes

    Other titlesMembrane based subsystem for water vapor recovery from plant-growth chambers.
    StatementR.J. Ray.
    SeriesNASA contractor report -- 177602., NASA contractor report -- NASA CR-177602.
    ContributionsAmes Research Center.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL14701756M

    Biology Cell Membrane Quiz. STUDY. PLAY. Na/K Pump. 3 sodium out/ 2 potassium in creates am electrical gradient. exocytosis. proteins, hormones, wastes- exit cell. receptor mediated endocytosis. needs a special receptor to bind to liquid. facilitated diffusion- aquaporins. water-osmosis. NASA is investigating the use of plant growth chambers (PGCs) for space missions and for bases on the moon and Mars. Key to successful development of PGCs is a system to recover and reuse the water vapor that is transpired from the leaves of the plants.

    Membranes for Industrial Wastewater Recovery and Re-use 1st Edition by S. Judd (Editor), Bruce Jefferson (Editor) out of 5 stars 1 rating. ISBN ISBN Why is ISBN important? ISBN. This bar-code number lets you verify that you're getting exactly the right version or edition of a book. 4/5(1). Membrane-Based Subsystem For Water-Vapor Recovery From Plant-Growth Chambers: Bend Research Inc.

    Applications include hydrogen recovery, hydrogen purification, carbon monoxide purification, and syngas ratio adjustment. Each system is delivered on a small footprint skid and requires very little maintenance or operator attention. Over PRISM® Membrane systems have . The chapters of this book are based upon lectures presented at the NATO Advanced Study Institute on Membrane Processes in Separation and Purification (March 21 - April 2, , Curia, Portugal), organized as a successor and update to a similar Institute that took place 10 years ago (, H.K. Lonsdale, M.N. de Pinho (Eds.): Synthetic Membranes: Science, Engineering and Applications.


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A membrane-based subsystem for water-vapor recovery from plant-growth chambers Download PDF EPUB FB2

Technology is a subsystem to recover and reuse the water vapor transpired from the leaves of the closely packed plants in the closed environment of a plant-growth chamber (PGC).File Size: 2MB. Get this from a library. A membrane-based subsystem for water-vapor recovery from plant-growth chambers.

[R J Ray; Ames Research Center.]. The key to the successful development of PGC's is a system to recover and reuse the water vapor that is transpired by the leaves of the growing plants. In this program we propose to develop a simple, reliable, membrane-based system that allows the recovery, purification, and reuse of the transpired water vapor through control of temperature and humidity levels in the PGC.

system for water vapor recovery is used to return the recovered, purified water to the PGC. Some of this water will be returned in the liquid state to the plant roots via the nutrient delivery subsystem.

The rest of the water will be returned as water vapor using membrane contactors, which will be operated much like "swamp coolers." These membrane. Water Vapor Recovery from Plant Growth Chambers NASA is investigating the use of plant growth chambers (PGCs) for space missions and for bases on the moon and Mars.

Key to successful development of PGCs is a system to recover and reuse the water vapor that is Cited by: 1. Presenting a useful reference to the current state of membrane technology and its likely future growth, this book covers all aspects of the technology and its applications in the water industry.

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A dehumidification system for low gravity plant growth experiments requires the generation of no free-liquid condensate and the recovery of water for reuse. In the systems discussed in this paper, the membrane is a barrier between the humid air phase and a liquid-coolant water by: Abstract.

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Membrane technology and applications / Richard W. Baker. – 3rd ed. Includes bibliographical references and index. ISBN (cloth) 1. Membranes (Technology) 2. Membrane separation. Title. TPM4B35 –dc23 A catalogue record for this book is available from the British Library. ISBN File Size: 5MB. In this program we propose to develop a simple, reliable, membrane-based system that allows the recovery, purification, and reuse of the transpired water vapor through control of temperature and.

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There are no moving parts required, offering a nearly maintenance free solution. THE OUTCOME: The outcome is a H 2 system that can achieve purities up to % and hydrogen recoveries up to 98%, all at the lowest cost of ownership for each molecule of H 2 recovered.

All membrane modules operate in parallel. About this book Si containing polymers have been instrumental in the development of membrane gas separation practices since the early s. Their function is to provide a selective barrier for different molecular species, where selection takes place either on the basis of size or on the basis of physical interactions or both.

In this paper, a novel membrane-based phase separator is described. This device, known as a water recovery heat exchanger (WRHEX), overcomes the inherent deficiencies of current phase-separation by: 6.

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Membranes are a core technology for separating material mixtures, such as wastewater and saltwater, and offer significant advantages over other technologies. Liquid Membranes: Principles and Applications in Chemical Separations and Wastewater Treatment discusses the principles and applications of the liquid membrane (LM) separation processes in organic and inorganic chemistry, analytical chemistry, biochemistry, biomedical engineering, gas separation, and wastewater treatment.

It presents updated, useful, and systematized information on. New High Performance Water Vapor Membranes To Improve Fuel Cell Balance of Plant Efficiency and Lower Costs Project ID # FC This presentation does not contain any proprietary, confidential, or otherwise restricted information.

2 • Start: S • End: S. What is Membrane Water Treatment Technology and Why Do We Specialize In It? Posted by Julie Nemeth-Harn on Sep 6, AM Tweet; Membrane water treatment is a process that removes unwanted constituents from water.

A membrane is a barrier that allows certain substances to pass through while blocking others.Michel Jaffrin was born in Nice (France) on 11 June He obtained his Engineering degree from the National School of Aeronautics in Paris in and a PhD from Brown University (Providence, RI, USA) in February with a thesis on shock waves in ionosphere, while being a researcher at MIT in Bo.Inorganic, Polymeric and Composite Membranes: Structure-Function and Other Correlations covers the latest technical advances in topics such as structure-function relationships for polymeric, inorganic, and composite membranes.

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