Abstract: The invention proposes an apparatus (110) comprising a multitude of tubes. At least one of the tubes is set up as a reaction tube (112) for at least one feedstock to flow through. The apparatus (110) has at least one energy recovery shell (130) at least partly surrounding the reaction tube (112). The energy recovery shell (130) has at least one thermoelectric generator set up to convert heat to electrical energy.

Abstract: A device (110) comprising a multitude of hollow cylinder pipes is proposed. At least one of the hollow cylinder pipes is set up as a fluid cylinder (112) to receive at least one feedstock. At least one further hollow cylinder pipe is configured as a current-conducting heating cylinder (129). The device (110) has at least one power source or voltage source (126) set up to generate an electrical current in the heating cylinder (129) that heats the fluid cylinder (112) by means of Joule heat that arises on passage of the electrical current through the heating cylinder (129).

Abstract: The present invention proposes a plant (110) for producing reaction products. The plant (110) comprises at least a preheater (114). The plant (110) comprises at least one raw material supply (118) which is adapted for supplying at least one raw material to the preheater (114). The preheater (114) is adapted for preheating the raw material to a predetermined temperature. The plant (110) comprises at least one electrically heatable reactor (122). The electrically heatable reactor (122) is adapted for at least partially converting the preheated raw material into reaction products and byproducts. The plant (110) comprises at least one heat integration apparatus (132) which is adapted for at least partially supplying the byproducts to the preheater (114). The preheater (114) is adapted for at least partially utilizing energy required for preheating the raw material from the byproducts.

Abstract: Proposed is a device (110) comprising at least one pipeline (112) for receiving at least one feedstock. The device (110) has at least one current-conducting medium (129). The device (110) has at least one current or voltage source (126) which is configured to generate an electrical current in the current-conducting medium (129), which heats the pipeline (112) by means of Joule heating which is produced when the electrical current passes through the current-conducting medium (129).

Abstract: In order to predict the future evolution of a health-state of an equipment and/or a processing unit of a chemical production plant, e.g., a steam cracker, a computer-implemented method is provided, which builds a data-driven model for the future key performance indicator based on the key performance indicator of today, the processing condition of today, and the processing condition over a prediction horizon.

Abstract: A device (110) for heating a fluid is proposed. The device comprises at least one electrically conductive pipeline (112) and/or at least one electrically conductive pipeline segment (114) for receiving the fluid, and at least one DC current and/or DC voltage source (126), wherein respectively one DC current or DC voltage source (126) is assigned to each pipeline (112) and/or each pipeline segment (114), said DC current and/or DC voltage source being connected to the respective pipeline (112) and/or the respective pipeline segment (114), wherein the respective DC current and/or DC voltage source (126) is embodied to produce an electric current in the respective pipeline (112) and/or in the respective pipeline segment (114), said electric current warming up the respective pipeline (112) and/or the respective pipeline segment (114) by Joule heating, which arises when the electric current passes through conductive pipe material, for the purposes of heating the fluid.

Abstract: A method for detecting deposits in a pipe system of an apparatus is proposed, the apparatus being flowed through by a fluid. In the method it is provided that at least one microwave probe is introduced into the pipe system in such a way that the fluid flows against a window (102) of the microwave probe that is transparent to microwave radiation, and that microwaves are coupled into the pipe system by way of at least one microwave probe, wherein a reflection measurement is carried out with one or two microwave probes, and/or at least two microwave probes are introduced into the pipe system at a distance from one another and a transmission measurement is carried out, wherein a comparison of measurement data with a reference or a previous measurement is used to deduce a constriction in the pipe system segment and the free cross-section at the constriction is determined, the detection of a constriction being used to deduce the presence of deposits.