Abstract: A method is provided for transmitting information and a device for carrying out the method, in which images are photographed by a camera with an image-taking rate, thus, especially frame rate, a controllable illuminant being disposed in the responsive range of the camera, where the control frequency (f_PWM) of the illuminant is less than the image-taking rate f1.

Abstract: A method is provided for transmitting information and a device for carrying out the method, in which images are photographed by a camera with an image-taking rate, thus, especially frame rate, a controllable illuminant being disposed in the responsive range of the camera, where the control frequency (f_PWM) of the illuminant is less than the image-taking rate f1.

Abstract: The invention relates to a process for reclaiming methacrylic acid from a high-boiler phase in a heterogeneously catalysed gas phase oxidation of a C4-compound to methacrylic acid comprising the following steps a) Providing a high-boiler phase from a heterogeneously catalysed gas phase oxidation of a C4-compound to methacrylic acid b) Providing an aqueous phase, preferably organically loaded, from a heterogeneously catalysed gas phase oxidation of a C4-compound to methacrylic acid c) Mixing of components a) and b) optionally followed by filtration or centrifugation d) Adding an extraction media to the mixture from c) e) Subjecting the multiple-phase mixture from d) to at least one mixer-settler extraction process f) Recycling the organic phase from the last mixer-settler process back into the C4-process

Abstract: The invention relates to a process for reclaiming methacrylic acid from a high-boiler phase in a heterogeneously catalysed gas phase oxidation of a C4-compound to methacrylic acid comprising the following steps a) Providing a high-boiler phase from a heterogeneously catalysed gas phase oxidation of a C4-compound to methacrylic acid b) Providing an aqueous phase, preferably organically loaded, from a heterogeneously catalysed gas phase oxidation of a C4-compound to methacrylic acid c) Mixing of components a) and b) optionally followed by filtration or centrifugation d) Adding an extraction media to the mixture from c) e) Subjecting the multiple-phase mixture from d) to at least one mixer-settler extraction process f) Recycling the organic phase from the last mixer-settler process back into the C4-process.