Abstract:
The invention relates to a catalyst for partially oxidizing hydrocarbons in the gas phase, containing a multi-metal oxide of the general formula (I), AgaMObVcMdOe * f H2O (I), wherein M stands for at least one element selected from among Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr, Ba, B, AI, Ga, In, Si, Sn, Pb, P, Sb, Bi, Y, Ti, Zr, Hf, V, Nb, Ta, Cr, W, Mn, Re, Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt, Cu, Au, Zn, Cd, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and U, a has a value of 0.5 to 1.5, b has a value of 0.5 to 1.5, c has a value of 0.5 to 1.5, a+b+c has the value 3, d has a value of less than 1, e means a number that is determined by the valence and frequency of the elements other than oxygen in the formula (I), f has a value of 0 to 20, which multi-metal oxide exists in a crystal structure, the X-ray powder diffractogram of which is characterized by diffraction reflections at a minimum of 5 lattice distances selected from among d = 4.53, 3.38, 3.32, 3.23, 2.88, 2.57, 2.39, 2.26, 1.83, 1.77 Å (± 0.04 Å).
Abstract translation:一种用于烃的气相部分氧化催化剂包括通式(I)的多金属氧化物,AgaMObVcMdOe * F H 2 O(I)其中M是其中锂,钠,钾,铷,铯,铍,镁,钙的至少一个, 锶,钡,硼,铝,镓,铟,硅,锡,铅,磷,锑,铋,Y,钛,锆,铪,钒,铌,钽,铬,钨,锰,RE,铁,钌, 锇,钴,铑,铱,镍,钯,铂,铜,金,锌,镉,镧,铈,镨,钕,钐,铕,钆,铽,镝,钬,铒,铥,镱,路, U被选择的元素,一个具有0.5至1.5的值; b为0.5〜1.5的值,c具有从0.5至1.5,A + b + C的值 是3,D具有小于1的值,例如确定由其中,F为0至20的值,式(I)中氧以外的元素的化合价和频率定义的一个数,在 的晶体结构存在,其粉末X至少为5,在D的特征在于衍射峰= 4.53,3.38,3.32,3.23,2.88,2.57,2.39,2.26,1, 83,1.77埃(±0.04 A)中的晶面间距。
Abstract:
The invention relates to a novel polynary metal oxide phosphate of general formula MaV2Ob(PO4)c (I), wherein M represents one or more metals selected from the group including V, Cr, Fe, Co, Ni, Ru, Rh, Pd, Cu, Zn, Cd, Hg, Be, Mg, Ca, Sr and Ba, a has a value of 0.5 to 1.5, b has a value of 1.5 to 2.5, c has a value of 1.5 to 2.5, said novel compound having a crystal structure and being characterized by defined diffraction reflexes in powder X-ray diffraction. Preferred representatives are CoV2O2(PO4)2, NiV2O2(PO4)2 or CuV2O2(PO4)2. The metal oxide phosphates are suitable as gas phase oxidation catalysts, e.g. for producing maleic anhydride from a hydrocarbon with at least four carbon atoms.
Abstract:
The present invention relates to a method for the production of lithium-rich metal oxides and lithium-rich metal oxides obtainable using said method. The invention further relates to the use of lithium-rich metal oxides for the production of a cathode for a battery, particularly a lithium ion battery, and a cathode for a lithium ion battery containing lithium-rich metal oxides.
Abstract:
The invention relates to a method for separating at least one first material from a mixture containing said at least one first material and at least one second material. Said method comprises the following steps: (A) a suspension of the mixture containing at least one first material and at least one second material and at least one magnetic particle is produced in a suitable suspending agent; (B) the pH of the suspension obtained in step (A) is adjusted to a value at which the at least one first material and the at least one magnetic particle have opposite surface charges such that the same agglomerate; (C) the agglomerate obtained in step (B) is separated by applying a magnetic field; and (D) the agglomerate separated in step (C) is split by adjusting the pH to a value at which the at least one first material and the at least one magnetic particle have identical surface charges in order to obtain the at least one first material.
Abstract:
The present invention relates to a method for producing cosmetic preparations containing metal oxide, wherein the reaction mixture developing during the production of the particulate metal oxide is added to the cosmetic preparations substantially without further processing.
Abstract:
The invention relates to a novel polynary metal oxide phosphate of general formula MaV4-aOb(PO4)c (I), wherein M represents one or more metals selected from the group including Ti, Zr, Hf,Cr, Fe, Co, Ni, Ru, Rh, Pd, Cu, Zn, B, Al, Ga and In, a has a value of 0 to 2.0, b has a value of 2.0 to 4.0, c has a value of 2.0 to 4.0, said novel compound having a crystal structure and being characterized by defined diffraction reflexes in powder X-ray diffraction. Preferred representatives are V4O3(PO4)3, CrV3O3(PO4)3, FeV3O3(PO4)3 and TiV3O3(PO4)3. The metal oxide phosphates are suitable as gas phase oxidation catalysts, e.g. for producing maleic anhydride from a hydrocarbon with at least four carbon atoms.
Abstract:
The present invention relates to a process for the preparation of compounds of general formula (I) Lia-bM1 bFe1-cM2 cPd-eM3 eOx, 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, 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 0, 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 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 obtain a compound of general formula (I).
Abstract:
The present invention relates to a mixture comprising at least one plastic K and 0.1 to 50% by weight, relative to the entire mixture, of at least one compound A, selected from the group consisting of borophosphates, borate phosphates, and metal borophosphates and mixtures thereof, to a method for producing said mixture, and to the use of said mixture as a flame proofing agent.
Abstract:
Dispersions comprising functionalized metal oxide particles, polymerizable compounds and optionally a solvent, and the use thereof for stabilizing polymers.
Abstract:
The invention relates to a method for removing at least one first substance from a mixture that contains the at least one first substance and at least one second substance. Said method comprises the following steps: (A) contacting the mixture containing at least one first substance and at least one second substance with at least one surface-active substance, optionally in the presence of at least one dispersant, the surface-active substance binding to the at least one first substance, (B) optionally adding at least one dispersant to the mixture obtained in step (A) to obtain a dispersion, (C) treating the dispersion obtained in step (A) or (B) with at least one hydrophobic magnetic particle so that the at least one first substance to which the at least one surface-active substance is bound and the at least one magnetic particle are added thereto, (D) removing the addition product obtained in step (C) from the mixture by applying a magnetic field, (E) breaking down the removed addition product obtained in step (D) to obtain the at least one first substance and the at least one magnetic particle as separate entities.