Abstract: A method for controlling a chemical process, by preparing methanol, hydrogen sulfide, methyl mercaptan, hydrocyanic acid, acrolein, 3-methylthiopropionaldehyde, 5-(2-methylmercaptoethyl)-hydantoin, methionine, a salt of methionine, and a derivative of methionine. The method includes providing a training set TS1, wherein TS1 is process values PV1 and process values PV2 being correlated to one another, and/or laboratory values LV1 and process values PV2 being correlated to one another. The method includes training a processing unit on the training set TS1 to identify a pattern of correlation between one or more measured process variables and at least one process variable. The method includes developing a calibration function CF1 for a calibrated soft sensor from the identified pattern of correlation and predicting at least one operating parameter for the chemical process as an approximation to LV1 and/or PV1. A system for controlling a chemical process.

Abstract: A process for preparing methionine includes the alkaline hydrolysis of 5-(2-methylmercaptoethyl)-hydantoin (methionine hydantoin) in an aqueous process solution containing alkali metal hydroxide and/or alkali metal carbonate and/or alkali metal hydrogencarbonate. The alkali metal cations in the process solution are potassium and sodium having a K/Na molar ratio range from 99/1 to 20/80.

Abstract: Generating an interactive discovery feed of place of interest items (POIs) relevant to a user is provided. A relevant POI discovery feed system curates a collection of narratives about various POIs from multiple sources and generates a plurality of POI content feed items including content items (e.g., photos, maps, links to additional information or related POIs) extracted from the collection of narratives. The system determines a set of POIs relevant to a user based on user-selected topics of interest and user preferences inferred from signals generated from user interactions with the system, and generates a discovery feed of POI content feed items associated with the set of relevant POIs for display to the user. In some examples, the items are presented in a card-based UI. Users are enabled to easily discover new places, view photos, and learn more about POIs in a consistent presentation of POI-related content feed items.

Abstract: A process for preparing methionine includes the alkaline hydrolysis of 5-(2-methylmercaptoethyl)-hydantoin (methionine hydantoin) in an aqueous process solution containing alkali metal hydroxide and/or alkali metal carbonate and/or alkali metal hydrogencarbonate. The alkali metal cations in the process solution are potassium and sodium having a K/Na molar ratio range from 99/1 to 20/80.

Abstract: Generating an interactive discovery feed of place of interest items (POIs) relevant to a user is provided. A relevant POI discovery feed system curates a collection of narratives about various POIs from multiple sources and generates a plurality of POI content feed items including content items (e.g., photos, maps, links to additional information or related POIs) extracted from the collection of narratives. The system determines a set of POIs relevant to a user based on user-selected topics of interest and user preferences inferred from signals generated from user interactions with the system, and generates a discovery feed of POI content feed items associated with the set of relevant POIs for display to the user. In some examples, the items are presented in a card-based UI. Users are enabled to easily discover new places, view photos, and learn more about POIs in a consistent presentation of POI-related content feed items.