公开(公告)号：US20160145115A1

公开(公告)日：2016-05-26

申请号：US14900533

申请日：2014-06-26

Applicant: SOLVAY SA

Inventor： David Jean Lucien SAVARY

IPC: C01D7/40

CPC classification number: C01D7/40 ,  C01D7/00 ,  C01D7/10 ,  C01D7/24 ,  C01P2004/60 ,  C01P2006/11

Abstract: A method for preparing particles of alkali metal bicarbonate by crystallization from a solution of alkali metal carbonate and/or bicarbonate in the presence of an additive in the solution, selected from the sulfates, sulfonates, the polysulfonates, the amines, the hydroxysultaines, the polycarboxylates, the polysaccharides, the polyethers and the ether-phenols, alkali metal hexametaphosphate, the phosphates, the sulfosuccinates, the amidosulfonates, the aminosulfonates, preferably selected from the polycarboxylates having a mean molecular weight lower than 8000 g/mol, and such that the additive is present in the solution at a concentration of at least 1 ppm and preferably of at most 200 ppm.

Abstract translation: 在碱金属碳酸盐和/或碳酸氢盐溶液中，在溶液中存在添加剂的情况下，从硫酸盐，磺酸盐，多磺酸盐，胺，羟基磺基甜菜碱，多羧酸盐 ，多糖，聚醚和醚 - 酚，碱金属六偏磷酸盐，磷酸盐，磺基琥珀酸盐，氨基磺酸盐，氨基磺酸盐，优选选自平均分子量低于8000g / mol的多羧酸盐，并且使得添加剂 以至少1ppm，优选至多200ppm的浓度存在于溶液中。

公开(公告)号：US20150359745A1

公开(公告)日：2015-12-17

申请号：US14653616

申请日：2013-12-23

Applicant: SOLVAY SA

Inventor： David Jean Lucien SAVARY

IPC: A61K9/16 ,  A61K33/00

CPC classification number: A61K9/1682 ,  A61K9/1611 ,  A61K9/1617 ,  A61K33/00 ,  C01D7/123 ,  C01D7/38

Abstract: Method for producing sodium bicarbonate particles by spray-drying of an aqueous solution comprising 1 to 10% by weight of sodium bicarbonate and an additive selected from the group consisting of: magnesium salt, sodium alkylbenzene sulfonate and soybean lecithin. Sodium bicarbonate particles obtainable by such process and comprising at least 20 mg of the additive per kg of sodium bicarbonate particles.

Abstract translation: 通过喷雾干燥包含1〜10重量％碳酸氢钠的水溶液和选自镁盐，烷基苯磺酸钠和大豆卵磷脂的添加剂来生产碳酸氢钠颗粒的方法。 可通过这种方法获得的碳酸氢钠颗粒，并且每kg碳酸氢钠颗粒包含至少20mg的添加剂。