Use of a nitrate salt composition as a heat transfer or heat storage medium for first operation of an apparatus containing these media

    公开(公告)号:AU2017258559A1

    公开(公告)日:2018-11-15

    申请号:AU2017258559

    申请日:2017-04-20

    Applicant: BASF SE

    Abstract: Use of a nitrate salt composition Z containing Z1 at least one alkali metal nitrate and optionally alkaline earth metal nitrate and Z2 at least one alkali metal nitrite and optionally alkaline earth metal nitrite in an amount of Z2 in the range from 1.1 to 15.0 mol% based on the sum of Z1 plus Z2 as heat transfer or heat storage medium in apparatuses in which these heat transfer or heat storage media are contained at a temperature in the range from 500°C to 620°C and an oxygen partial pressure over the nitrate salt composition in the range from 0.1 to 1.0 atm, characterized in that for a desired temperature selected from the abovementioned range and for a desired oxygen partial pressure selected from the abovementioned range the molar amount of the alkali metal nitrite and optionally alkaline earth metal nitrite is calculated with the following formula (formula I) in which the variables have the following meanings X

    Apparatus for heating a pipeline
    40.
    发明专利

    公开(公告)号:AU2014222767B2

    公开(公告)日:2018-11-15

    申请号:AU2014222767

    申请日:2014-02-26

    Applicant: BASF SE

    Abstract: The invention relates to an apparatus for heating a pipeline system, comprising at least two pipelines (1) along each of which an electrical resistance heating element extends, characterized in that a potential close to earth potential is established on each electrical resistance heating element at at least one end (3, 5), and the electrical resistance heating element is connected to a pole of a DC power source or to a respective phase (7) of an n-phase AC power source (9) in a position which is remote from said end (3, 5), wherein, when an n-phase AC power source (9) is used, n is an integer equal to or greater than 2.

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