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Mejoras en las baterías o trenes llamados "javaneses" que sirven para la evaporación continua de los jugos azucarados por medio del fuego directo y al aire libre.
Medios y procedimientos empleados para facilitar la absorción de gases por sólidos y la reacción de gases sobre sólidos en la fabricación de polvos de blanquear , sulfuros y sulfatos de sosa y potasa y purificación del gas de hulla.