METHOD FOR PRODUCING LAYERED DOUBLE HYDROXIDE

• Main Authors: OTSUKA MIHO, KOBAYASHI YUTAKA, FAN YANAN
• Format: Patent
• Language: English; Japanese
• Published: 11.03.2021
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F; COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS; INORGANIC CHEMISTRY; METALLURGY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING

To provide a method for producing a granular layered double hydroxide that is difficult to collapse.SOLUTION: A method for producing a layered double hydroxide by mixing an acidic solution and an alkaline solution, wherein a washing step of washing the layered double hydroxide is performed prior to a pressing step of the layered double hydroxide and, after the washing step, a drying step is performed to dry the layered double hydroxide so that the water content of the layered double hydroxide is between 5 to 30%.SELECTED DRAWING: Figure 1 【課題】崩れにくい顆粒状の層状複水酸化物の製造方法を提供する。【解決手段】酸性溶液とアルカリ性溶液とを混合して層状複水酸化物を製造する層状複水酸化物の製造方法において、前記層状複水酸化物を洗浄する洗浄工程を、前記層状複水酸化物の圧搾工程に先立って行ない、前記洗浄工程の後に、前記層状複水酸化物の含水率が５％から３０％になるように、前記層状複水酸化物を乾燥させる乾燥工程と、を含む層状複水酸化物の製造方法。【選択図】図１