A reductant insertion system for an after treatment system configured to decompose constituents of an exhaust gas, includes: a dry reductant tank configured to contain a dry reductant; a reductant delivery line configured to operatively couple the dry reductant tank to the after treatment system for delivery of the dry reductant to the after treatment system; and a pressurized gas source configured to communicate the dry reductant to the after treatment system through the reductant delivery line using pressurized gas.

A method of determining multimodal polyethylene quality comprising the steps of (a) providing a multimodal polyethylene resin sample; (b) determining, in any sequence, the following: that the multimodal polyethylene resin sample has a melt index within 30% of a target melt index; that the multimodal polyethylene resin sample has a density within 2.5% of a target density; that the multimodal polyethylene resin sample has a dynamic viscosity deviation (% MVD) from a target dynamic viscosity of less than about 100%; that the multimodal polyethylene resin sample has a weight average molecular weight (M.sub.w) deviation (% M.sub.wD) from a target M.sub.w of less than about 20%; and that the multimodal polyethylene resin sample has a gel permeation chromatography (GPC) curve profile deviation (% GPCD) from a target GPC curve profile of less than about 15%; and (c) responsive to step (b), designating the multimodal polyethylene resin sample as a high quality resin.

A carbon compound manufacturing system includes: a recovery unit; a conversion unit; a synthesis unit; a first flow path to supply the supply gas to the recovery unit; a second flow path connecting the recovery and the conversion units; a third flow path connecting the conversion and the synthesis units; at least one of first to third detectors to respectively measure a flow rate of the supply gas flowing through the first flow path to generate a first data signal, a flow rate of the carbon dioxide flowing through the second flow path to generate a second data signal, and a value of voltage or current to the conversion unit to generate a third data signal; and an integration controller to collate at least one data of the first to third data signals with a corresponding plan data to generate at least one of first to third control signals.

A computer implemented method for determining at least one target parameter set for a flow chemistry setup (110) for flow chemistry in slugs is disclosed. The method is a self-learning method. The method comprises the following steps: a) determining at least one process variable by using at least one sensor (122) of a flow chemistry setup (110); b) training of at least one machine-learning model (126) based on the process variable; c) determining the target parameter set by applying an optimizing algorithm in terms of at least one optimization target on the trained machine-learning model (126); d) providing the determined target parameter set and/or considering the determined target parameter set for evaluating a flow chemistry setup (110) and/or for evaluating at least one flow chemistry product.

A fuel synthesis device includes: a supplier to supply CO.sub.2 and H.sub.2 gasses; a fuel synthesis catalyst to chemically react the CO.sub.2 and H.sub.2 gasses to synthesize fuel; a gas-liquid separator to liquefy the fuel into liquid and separate the liquid from a gas containing unreacted CO.sub.2 and H.sub.2 gasses, and CH.sub.4 gas as a side product; a return path to return the separated gas to a point between the supplier and the fuel synthesis catalyst; a bypass path to bypass, and merge downstream of, the return path, and to include a CH.sub.4 separator to separate the CH.sub.4 and a CH.sub.4 oxidation catalyst to oxidize the CH.sub.4; and a switching valve to selectively switch between communication with the return path and communication with the bypass path, wherein whether the switching valve communicates with the return path or bypass path is controlled based on the density of CH.sub.4.

A method and apparatus for monitoring and evaluation of a production of a functional material, wherein an assessment of steps taken by users based on a data basis results in reporting to the user of the extent to which predetermined properties of a functional material produced are attained in the event of variances in the steps taken.

Equipment for preparing a polymer solution of a non-ionic, cationic, anionic or amphoteric polymer by reaction between a compound including at least one aldehyde function and at least one base polymer aqueous solution having at least one non-ionic monomer includes a reactor provided with a stirring system, as well as a recirculation loop including between the outlet of the reactor and the inlet of the reactor, a recirculation pump, a pH measuring probe, and a pressure differential in-line measuring device in the form of a calibrated tube configured to measure the pressure difference of the polymer solution between the inlet and the outlet of the calibrated tube, the calibrated tube being branched on the recirculation loop.

The reaction of sodium hypochlorite with sodium bromide is slow, and commonly only part of the bromide is converted to hypobromite. Methods to accelerate the reaction by adding a regulated amount of acid to a solution comprising bleach and bromide are provided, whereby the yield of hypobromite can be increased. The amount of acid added can be predetermined based on the content of a base in the bleach, and acid can be added to neutralize the base. The amount of acid added can be based on a measured parameter of the reaction that is indicative of reaction kinetics. For example, the amount of acid can be actively controlled by measuring pH, absorbance of visible or near Ultraviolet light, or temperature of the reacting solution and adjusting acid.

A process and system for monitoring and controlling the operation of a dehydrogenation reactor is provided. Samples of hydrocarbon streams are taken at sampling locations to be analyzed at a single gas chromatograph or other analytical equipment. Actions can be taken to modify the operation of the dehydrogenation reactor as necessary to maintain its operation within predetermined parameters. In particular, actions may be taken when a hydrocarbon stream exhibits an amount of cracking that is outside parameters. It is usually intended that actions will be taken on a gradual basis once or twice per day to reduce the cost of the process while still providing the necessary changes to operations.

A synthesis device comprises a plurality of pipes, a feeding unit, a reaction vessel, and a measurement mechanism. The pipes extend from a plurality of storage containers, respectively, in which a plurality of types of solutions are stored. The feeding unit is configured to feed the solutions in the storage containers through the pipes. The solutions selectively fed from the storage containers are put in the reaction vessel to generate a synthesized product by chemical synthesis. The measuring mechanism is provided between the storage containers and the reaction vessel in a middle of an overall flow path including the pipes, the measuring mechanism being configured to measure the solutions fed to the reaction vessel.