PROCESS FOR THE PREPARATION OF LIFEPO4-CARBON COMPOSITES

    公开(公告)号:CA2764410A1

    公开(公告)日:2010-12-29

    申请号:CA2764410

    申请日:2010-06-23

    Applicant: BASF SE

    Abstract: The present invention relates to a process for the preparation of particles comprising at least one compound according to general formula (I) M1aM2bM3cOoNnFf (I) wherein M1, M2, M3 O, N, F, a, b, c, o, n and f have the following meanings: M1 at least one alkaline metal, M2 at least one transition metal in oxidation state +2, M3 at least one non-metal chosen form S, Se, P, As, Si, Ge and/or B, O oxygen, N nitrogen, F fluorine, a 0.8 - 4.2, b 0.8 - 1.9, c 0.8 - 2.2, o 1.0 - 8.4, n 0 - 2.0 and f 0 - 2.0, wherein a, b, c, o, n and f are chosen to ensure electroneutrality of the compound according to general formula (I), and carbon, comprising at least the following steps: (A) providing an essentially aqueous mixture comprising at least one compound comprising M1, at least one compound comprising M2 having at least partially an oxidation state higher than +2, optionally at least one compound comprising M3, at least one compound comprising N, if present, and/or at least one compound comprising F, if present, at least one polysaccharide comprising glucose having a molecular weight M of at least 50000 g/mol as carbon precursor and at least one reducing agent, (B) drying the mixture provided in step (A), in order to obtain a solid particle and (C) calcining the solid particle obtained from step (B) at a temperature of 300 to 950 °C.

    PROCESAMIENTO DE MENAS ABUNDANTES UTILIZANDO PARTICULAS MAGNETICAS.

    公开(公告)号:MX2010002462A

    公开(公告)日:2010-03-26

    申请号:MX2010002462

    申请日:2008-09-01

    Applicant: BASF SE

    Abstract: La invención se relaciona con un método para remover por lo menos una primera sustancia de una mezcla que contiene por lo menos una primera sustancia y por lo menos una segunda sustancia. Tal método comprende las siguientes etapas: (A) poner en contacto la mezcla que contiene por lo menos una primera sustancia y por lo menos una segunda sustancia con por lo menos una sustancia de superficie activa, opcionalmente en presencia de por lo menos un dispersante, la sustancia de superficie activa que se une a por lo menos una primera sustancia, (B) opcionalmente agregar por lo menos un dispersante a la mezcla obtenida en la etapa (A) para obtener una dispersión, (C) tratar la dispersión obtenida en la etapa (A) o (B) con por lo menos una partícula magnética hidrofóbica de manera que por lo menos una primera sustancia a la cual por lo menos una sustancia de superficie activa se une, y por lo menos una partícula magnética se agregan a la misma, (ID) remover el producto de adición obtenido en la etapa (C) a partir de la mezcla aplicando un campo magnético, (E) desintegrando el producto de adición removido obtenido en la etapa (D) para obtener por lo menos una primera sustancia, y por lo menos una partícula magnética como entidades separadas.

    SYNTHESIS OF LIFEPO4 UNDER HYDROTHERMAL CONDITIONS

    公开(公告)号:CA2734681A1

    公开(公告)日:2010-03-04

    申请号:CA2734681

    申请日:2009-08-25

    Applicant: BASF SE

    Abstract: The present invention relates to a process for the preparation of compounds of general Formula (I) Lia-bM1 bFe1-cM2 cPd-eM3 eOx (I), wherein Fe has the oxidation state +2 and M1, M2, M3, a, b, c, d, e and x are: M1:Na, K, Rb and/or Cs, M2:Mn, Mg, Al, Ca, Ti, Co, Ni, Cr, V, M3:Si, S, F a:0.8 - 1.9, b:0 - 0.3, c:0 - 0.9, 15 d:0.8 - 1.9, e:0 - 0.5, x:1.0 - 8, depending on the amount and oxidation state of Li, M1, M2, P, M3, wherein compounds of general Formula (I) are neutrally charged, comprising the following steps (A) providing a mixture comprising at least one lithium-comprising compound, at least one iron-comprising compound, in which iron has the oxidation state +3, and at least one M1-comprising compound, if present, and/or at least one M2-comprising compound, if present, and/or least one M3-comprising compound, if present, and at least one reducing agent which is oxidized to at least one compound comprising at least one phosphorous atom in oxidation state +5, and (B) heating the mixture obtained in step (A) at a temperature of 100 to 500 °C and at an autogeneous pressure to reduce Fe to oxidation state +2 and to obtain a compound of general Formula (I).

    PROCEDIMIENTO DE ELABORACION DE 4-VINILCICLOHEXENO, ETILBENZOL Y ESTIROL.

    公开(公告)号:ES2316735T3

    公开(公告)日:2009-04-16

    申请号:ES03709709

    申请日:2003-02-17

    Applicant: BASF SE

    Abstract: Procedimiento de elaboración de 4-vinilcilohexeno con los pasos (A) Preparación, disposición de una corriente gaseosa de alimentación conteniendo n-butano, (B) Alimentación de la corriente gaseosa de alimentación conteniendo n-butano a al menos una zona de deshidrogenación y deshidrogenación de n-butano a butadieno, obteniéndose una corriente de productos comprendiendo butadieno, n-butano, si fuera necesario, 1-buteno y 2-buteno y, si fuera necesario, vapor de agua y otros componentes secundarios, (C) Alimentación de la corriente de productos de la deshidrogenación, si fuera necesario, tras la separación del vapor de agua y los componentes secundarios, a una zona de dimerización y dimerización catalítica de butadieno, obteniéndose una corriente de productos conteniendo 4-vinilciclohexeno, n-butano y, si fuera necesario, 1-buteno, 2-buteno y butadieno no transformado, (D) Separación del 4-vinilciclohexeno de la corriente de productos de la dimerización y recirculación de n-butano y, si fuera necesario, 1-buteno, 2-buteno y butadieno no transformado en la zona de deshidrogenación.

    Processing rich ores using magnetic particles

    公开(公告)号:AU2008294826A1

    公开(公告)日:2009-03-12

    申请号:AU2008294826

    申请日:2008-09-01

    Applicant: BASF SE

    Abstract: The present invention relates to a process for separating at least one first material from a mixture comprising this at least one first material and at least one second material, which comprises the following steps: (A) contacting of the mixture comprising at least one first material and at least one second material with at least one surface-active substance, if appropriate in the presence of at least one dispersant, resulting in the surface-active substance becoming attached to the at least one first material, (B) if appropriate, addition of at least one dispersant to the mixture obtained in step (A) to give a dispersion having a suitable concentration, (C) treatment of the dispersion from step (A) or (B) with at least one hydrophobic magnetic particle so that the at least one first material to which the at least one surface-active substance is bound and the at least one magnetic particle become attached to one another, (D) separation of the addition product from step (C) from the mixture by application of a magnetic field, (E) cleavage of the addition product which has been separated off in step (D) to obtain the at least one first material and the at least one magnetic particle separately.

    Method for ore enrichment by means of hydrophobic, solid surfaces

    公开(公告)号:AU2008277789A1

    公开(公告)日:2009-01-22

    申请号:AU2008277789

    申请日:2008-07-08

    Applicant: BASF SE

    Abstract: A process for separating at least one hydrophobic material from a mixture comprising this at least one hydrophobic material and at least one hydrophilic material, which comprises the steps: (A) preparation of a slurry or dispersion of the mixture to be treated in at least one suitable dispersion medium, (B) contacting of the slurry or dispersion from step (A) with at least one solid, hydrophobic surface to bind the at least one hydrophobic material to be separated off to this, (C) removal of the at least one solid, hydrophobic surface to which the at least one hydrophobic material is bound from step (B) from the slurry or dispersion in which the at least one hydrophilic material is comprised and (D) separation of the at least one hydrophobic material from the solid, hydrophobic surface.

    79.
    发明专利
    未知

    公开(公告)号:AT420062T

    公开(公告)日:2009-01-15

    申请号:AT03709709

    申请日:2003-02-17

    Applicant: BASF SE

    Abstract: The invention relates to a process for preparing 4-vinylcyclohexene, which comprises the steps (A) providing an n-butane-containing feed gas stream, (B) feeding the n-butane-containing feed gas stream into at least one dehydrogenation zone and dehydrogenating n-butane to butadiene to give a product stream comprising butadiene, n-butane, possibly 1-butene and 2-butene and possibly water vapor and other secondary constituents, (C) feeding the product stream from dehydrogenation, if appropriate after separating off water vapor and secondary constituents, into a dimerization zone and catalytically dimerizing butadiene to give a product stream comprising 4-vinylcyclohexene, n-butane and possibly 1-butene, 2-butene and unreacted butadiene, and (D) separating off 4-vinylcyclohexene from the product stream from the dimerization and recirculating n-butane and possibly 1-butene, 2-butene and unreacted butadiene to the dehydrogenation zone.

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