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      Reverse Osmosis as a Method of Preparing Dialysis Water

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      Nephron

      S. Karger AG

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          Abstract

          A reverse osmosis plant for preparation of dialysis water is described. With a total cellulose acetate membrane area of 1.8 m<sup>2</sup> and a high flow rate of the water across the membrane a filtrate production of about 500 ml/min was obtained at a mechanical pressure of about 35 atmospheres. This is adequate for long-term dialysis of one patient. The capacity can be increased at will by extending the membrane area or by serial arrangement of 2 or more columns. After 6 h of continous operation the filtrate had a calcium concentration below 0.6 mEq/l (on an average 0.3 mEq/l), a sodium concentration below 0.5 mEq/l, and a conductivity of 20–60 //mho. The filtrate was sterile and pyrogene-free. The apparatus is easy to work and proved to be safe and cheap to run.

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          Author and article information

          Journal
          NEF
          Nephron
          10.1159/issn.1660-8151
          Nephron
          S. Karger AG
          1660-8151
          2235-3186
          1970
          1970
          26 November 2008
          : 7
          : 6
          : 545-558
          Affiliations
          “De Danske Sukkerfabrikker”, Driftteknisk Laboratorium, Nakskov (Head: R. Frik Madsen) and department III, Københavns Kommunehospital (Head: Flemming Raaschou)
          Article
          179862 Nephron 1970;7:545–558
          10.1159/000179862
          5495287
          © 1970 S. Karger AG, Basel

          Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

          Page count
          Pages: 14
          Categories
          Paper

          Cardiovascular Medicine, Nephrology

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