WATER TREATMENT PROCESS
    31.
    发明专利

    公开(公告)号:TN2012000404A1

    公开(公告)日:2014-01-30

    申请号:TN2012000404

    申请日:2012-08-10

    Applicant: BASF SE

    Abstract: A process and an apparatus for obtaining pure water from seawater, comprising: a) a raw water is provided that comprises at least one non-volatile component (salt), b) the raw water provided is passed as cooling medium into a heat exchanger, c) additional heat is supplied to the raw water that is heated in the heat exchanger, d) the raw water from step c) is fed to an evaporation zone, e) a carrier gas suitable for water vapour is provided (air), f) the carrier gas is brought into contact with the raw water in counter current flow in the evaporation zone which contains baffles, wherein the carrier gas takes up water vapour from the raw water, g) the raw water that is obtained in step f) that is enriched with the at least one non-volatile component is taken off from the evaporation zone, h) the water vapour- loaded carrier gas from the evaporation zone is fed to the heat exchanger and is cooled in counter current flow to the raw water, wherein the water vapour present in the carrier gas partially condenses out, i) the carrier gas depleted in water vapour is passed out of the heat exchanger, k) the condensed water vapour is taken off from the heat exchanger as pure water, wherein the evaporation zone is operated substantially adiabatically, and wherein the carrier gas is transported by means of natural convection through the evaporation zone and thereafter through the heat exchanger.

    32.
    发明专利
    未知

    公开(公告)号:BRPI0716259A2

    公开(公告)日:2013-08-06

    申请号:BRPI0716259

    申请日:2007-09-17

    Applicant: BASF SE

    Abstract: A method (M1) for mixing liquids or mixtures of liquids and finely-divided solids (I) in a closed tank where (I) fills only part of the available volume and the rest is filled by gas, by feeding in the same liquid or mixture (I) as a propulsive jet from a nozzle with a pulse-exchange space containing the jet nozzle outlet, in which the intake zone between jet nozzle and pulse-exchange space (PES) has a casing with at least one intake which is below the central jet leading from the nozzle to the PES. Independent claims are included for (1) a jet nozzle as above in which the casing has at least one intake opening into a dip tube or at least one connection for such a tube (2) a mixing method (M2) as above in which a different liquid or mixture is fed in as a propulsive jet .

    34.
    发明专利
    未知

    公开(公告)号:AT533552T

    公开(公告)日:2011-12-15

    申请号:AT07803512

    申请日:2007-09-17

    Applicant: BASF SE

    Abstract: A method (M1) for mixing liquids or mixtures of liquids and finely-divided solids (I) in a closed tank where (I) fills only part of the available volume and the rest is filled by gas, by feeding in the same liquid or mixture (I) as a propulsive jet from a nozzle with a pulse-exchange space containing the jet nozzle outlet, in which the intake zone between jet nozzle and pulse-exchange space (PES) has a casing with at least one intake which is below the central jet leading from the nozzle to the PES. Independent claims are included for (1) a jet nozzle as above in which the casing has at least one intake opening into a dip tube or at least one connection for such a tube (2) a mixing method (M2) as above in which a different liquid or mixture is fed in as a propulsive jet .

    Method for mixing a liquid in a sealed container with a fine-particle solid, container of this type, ejector jet and use of a jet of this type

    公开(公告)号:ZA200902698B

    公开(公告)日:2010-06-30

    申请号:ZA200902698

    申请日:2009-04-20

    Applicant: BASF SE

    Abstract: Mixing a liquid or suspension beneath a gas space in a closed container comprises supplying a stream of the liquid or suspension as a drive jet for a submerged ejector which aspirates gas from the gas space and discharges the gas together with the drive jet into the liquid or suspension in the container. Independent claims are also included for: (1) container comprising a liquid or suspension beneath a gas space and an ejector with a drive nozzle and a suction chamber in communication with the gas space; (2) container comprising a liquid or suspension beneath a gas space and an ejector jet nozzle having a drive nozzle surrounded by a suction chamber discharging into a mixing nozzle and an impulse exchange chamber into which the outlet of the mixing nozzle is directed, and a connection between the suction chamber and the gas space; (3) ejector jet nozzle having a drive nozzle surrounded by a suction chamber discharging into a mixing nozzle and an impulse exchange chamber into which the outlet of the mixing nozzle is directed, where the transition between the mixing nozzle and the impulse exchange chamber is provided with a jacket fitted with a dip pipe or a connector for a dip pipe; (4) mixing a liquid or suspension beneath a gas space in a closed container by supplying a stream of another liquid or suspension as a drive jet for a submerged ejector which aspirates gas from the gas space and discharges the gas together with the drive jet into the liquid or suspension in the container.

    PROCEDIMIENTO CONTINUO PARA LA PRODUCCION DE POLIAMIDAS.

    公开(公告)号:ES2294684T3

    公开(公告)日:2008-04-01

    申请号:ES05715272

    申请日:2005-02-08

    Applicant: BASF SE

    Abstract: Procedimiento continuo para la producción de poliamidas, sus oligómeros o mezclas de estos, si fuera necesario, con productos de reacción adicionales, mediante la reacción de aminonitrilos o dinitrilos y diaminas o mezclas de estos, si fuera necesario, junto con monómeros y/o oligómeros adicionales formando poliamidas, con un medio acuoso a partir de extractos acuosos de monómeros y oligómeros, obtenidos en la producción de poliamidas durante la extracción del polímero con agua, en un reactor con eje longitudinal vertical, recorrido esencialmente en dirección longitudinal, introduciéndose el agua y/o el medio acuoso en el reactor por al menos dos puntos diferentes a lo largo del eje longitudinal vertical, introduciéndose el medio acuoso por al menos un punto.

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