Betekenis van:
reverse osmosis

reverse osmosis
Zelfstandig naamwoord
    • (chemistry) a method of producing pure water; a solvent passes through a semipermeable membrane in a direction opposite to that for natural osmosis when it is subjected to a hydrostatic pressure greater than the osmotic pressure

    Hyperoniemen


    Voorbeeldzinnen

    1. Reverse osmosis consists in forcing seawater through a membrane that filters out the salt.
    2. Note:2B352.d. does not control reverse osmosis equipment, as specified by the manufacturer.
    3. Note: 2B352.d. does not control reverse osmosis equipment, as specified by the manufacturer.
    4. in respect of grape must, by adding sucrose, concentrated grape must or rectified concentrated grape must, or by partial concentration, including reverse osmosis;
    5. Parts of equipment for the purification of water by reverse osmosis, consisting essentially of plastic-based membranes, supported internally by woven or non-woven textile materials which are wound round a perforated tube, and enclosed in a cylindrical plastic casing of a wall-thickness not exceeding 4 mm, whether or not housed in a cylinder of a wall-thickness of 5 mm or more
    6. Parts of equipment for the purification of water by reverse osmosis, consisting essentially of plastic-based membranes, supported internally by woven or non-woven textile materials which are wound round a perforated tube, and enclosed in a cylindrical plastic casing of a wall-thickness not exceeding 4 mm, whether or not housed in a cylinder of a wall-thickness of 5 mm or more
    7. Parts of equipment, for the purification of water by reverse osmosis, consisting of a bundle of hollow fibres of artificial plastic material with permeable walls, embedded in a block of artificial plastic material at one end and passing through a block of artificial plastic material at the other end, whether or not housed in a cylinder
    8. Recovery and purification of α-cyclodextrin may be carried out using one of the following procedures: precipitation of a complex of α-cyclodextrin with 1-decanol, dissolution in water at elevated temperature and re-precipitation, steam-stripping of the complexant, and crystallisation of α-cyclodextrin from the solution; or chromatography with ion-exchange or gel filtration followed by crystallisation of α-cyclodextrin from the purified mother liquor; or membrane separation methods such as ultra-filtration and reverse osmosis.
    9. Parts of equipment for the purification of water by reverse osmosis, consisting essentially of plastic-based membranes, supported internally by woven or non-woven textile materials which are wound round a perforated tube, and enclosed in a cylindrical plastic casing of a wall-thickness of not more than 4 mm, whether or not housed in a cylinder of a wall-thickness of 5 mm or more
    10. A non-reducing cyclic saccharide consisting of six α-1,4-linked D-glucopyranosyl units produced by the action of cyclodextrin glucosyltransferase (CGTase, EC 2.4.1.19) on hydrolyzed starch. Recovery and purification of α-cyclodextrin may be carried out using one of the following procedures: precipitation of a complex of α-cyclodextrin with 1-decanol, dissolution in water at elevated temperature and re-precipitation, steam-stripping of the complexant, and crystallisation of α-cyclodextrin from the solution; or chromatography with ion-exchange or gel filtration followed by crystallisation of α-cyclodextrin from the purified mother liquor; or membrane separation methods such as ultra-filtration and reverse osmosis.