Process for the joint production of sodium carbonate and sodium bicarbonate
    1.
    发明申请
    Process for the joint production of sodium carbonate and sodium bicarbonate 有权
    联合生产碳酸钠和碳酸氢钠的方法

    公开(公告)号:US20110250109A1

    公开(公告)日:2011-10-13

    申请号:US13139430

    申请日:2009-12-22

    IPC分类号: C01D7/00 C01D7/38 B01D53/40

    摘要: Process for the joint production of sodium carbonate and sodium bicarbonate out of trona, comprising introducing and dissolving crushed trona ore is introduced and dissolved in a leaching tank containing a solution comprising sodium carbonate and sodium bicarbonate, saturated in sodium bicarbonate, in order to produce solid particles suspended in a production solution comprising sodium carbonate, the solid particles containing insoluble impurities and at least 65% in weight of sodium bicarbonate; separating the solid particles from the production solution containing sodium carbonate; drying and valorizing the separated solid particles; taking at least part of the production solution containing sodium carbonate out of the leaching tank in order to constitute a produced solution which is valorized; and introducing water in the leaching tank.

    摘要翻译: 将包含引入和溶解的天然碱矿石的碳酸钠和碳酸氢钠联合生产的方法引入并溶解在含有碳酸氢钠和碳酸氢钠的溶液的浸出槽中,所述溶液包含在碳酸氢钠中饱和的溶液,以产生固体 悬浮在包含碳酸钠的生产溶液中的颗粒,固体颗粒含有不溶性杂质和至少65重量%的碳酸氢钠; 从含有碳酸钠的生产溶液中分离固体颗粒; 干燥和加压分离的固体颗粒; 将含有碳酸钠的生产溶液的至少一部分从浸出槽中取出以构成产生的增值溶液; 并在浸出池中引入水。

    Process For The Joint Production of Sodium Carbonate and Sodium Bicarbonate
    2.
    发明申请
    Process For The Joint Production of Sodium Carbonate and Sodium Bicarbonate 审中-公开
    碳酸钠和碳酸氢钠联合生产工艺

    公开(公告)号:US20090291038A1

    公开(公告)日:2009-11-26

    申请号:US12126651

    申请日:2008-05-23

    摘要: Process for the joint production of sodium carbonate and sodium bicarbonate crystals, according to which: Solid powder derived from sodium sesquicarbonate, having a mean particle diameter comprised between 0,1 and 10 mm is dissolved in water; The resulting water solution is introduced into a crystallizer, wherein a first water suspension comprising sodium carbonate crystals is produced; The first water suspension is subjected to a separation, in order to produce crystals comprising sodium carbonate on the one hand, which are valorized, and a mother liquor on the other hand; Part of the mother liquor is taken out of the crystallizer and put into contact in, a gas liquid contactor, with a gas comprising carbon dioxide, in order to produce a second water suspension comprising sodium bicarbonate crystals, which are separated and valorized

    摘要翻译: 用于联合生产碳酸钠和碳酸氢钠晶体的方法,其中:将平均粒径为0.1至10mm的来源于倍半碳酸钠的固体粉末溶解在水中; 将所得水溶液引入结晶器中,其中制备包含碳酸钠晶体的第一水悬浮液; 将第一水悬浮液进行分离,以便制造一方面包含加价的碳酸钠和另一方面是母液的晶体; 将一部分母液从结晶器中取出并与气液接触器与包含二氧化碳的气体接触,以便产生包含碳酸氢钠晶体的第二水悬浮液,该水悬浮液分离并加价

    Process for producing sodium bicarbonate
    3.
    发明申请
    Process for producing sodium bicarbonate 有权
    生产碳酸氢钠的方法

    公开(公告)号:US20100284891A1

    公开(公告)日:2010-11-11

    申请号:US12811663

    申请日:2009-01-06

    IPC分类号: C01D7/12

    摘要: In a process to produce sodium carbonate, a first production solution comprising sodium carbonate is introduced into less basic compartments of an electrodialyser comprising alternating less basic and more basic adjacent compartments separated from each other by cationic membranes, the more basic compartments being delimited by anionic faces of bipolar membranes on one side and by the cationic membranes on the other side; a second production solution comprising sodium carbonate is introduced into the more basic compartments of the electrodialyser; a solution comprising sodium hydroxide is produced into the more basic compartments by combination of sodium ions flux sodium ions crossing the cationic membrane and hydroxyl ions flux crossing the anionic face of the bipolar membranes, and is then extracted from the electrodialyser to be used as a reaction solution; and the reaction solution is reacted with sodium bicarbonate in order to form a produced solution comprising sodium carbonate.

    摘要翻译: 在生产碳酸钠的方法中,将包含碳酸钠的第一制备溶液引入电离渗析器的较少碱性室中,其包含由阳离子膜彼此分离的交替的较少碱性和更碱性的相邻隔室,所述更基本的隔室由阴离子面 双极膜在一侧和另一侧的阳离子膜; 将包含碳酸钠的第二制备溶液引入电渗析器的更基本的隔室中; 将包含氢氧化钠的溶液通过与阳离子膜交叉的钠离子通量钠离子和与双极性膜的阴离子面交叉的羟基离子通量的组合而形成到更碱性的隔室中,然后从电渗析器中提取以用作反应 解; 并将反应溶液与碳酸氢钠反应,以形成包含碳酸钠的生产溶液。

    Process for the Production of Sodium Bicarbonate
    4.
    发明申请
    Process for the Production of Sodium Bicarbonate 有权
    碳酸氢钠生产工艺

    公开(公告)号:US20090288957A1

    公开(公告)日:2009-11-26

    申请号:US12305444

    申请日:2007-07-09

    IPC分类号: C25B1/14

    CPC分类号: C01D7/34 B01D61/44

    摘要: Process for the joint production of sodium carbonate and sodium bicarbonate out of sesquicarbonate, in which the sesquicarbonate is dissolved in water, in order to form a feed water solution comprising both sodium carbonate and sodium bicarbonate, in which at least part of the feed water solution is introduced into all the compartments of an electrodialyser and in which a sodium bicarbonate enriched solution and a sodium carbonate enriched solution are extracted from the compartments.

    摘要翻译: 为了形成包含碳酸钠和碳酸氢钠两者的进料水溶液,其中将倍半碳酸酯溶于水中的碳酸氢钠和碳酸氢钠联合生产方法,其中至少部分给水溶液 被引入电渗析器的所有隔室中,并且其中从隔室中提取富含碳酸氢钠的溶液和富含碳酸钠的溶液。

    Process for the joint production of sodium carbonate and sodium bicarbonate

    公开(公告)号:US10065866B2

    公开(公告)日:2018-09-04

    申请号:US12991350

    申请日:2009-05-12

    摘要: Process for the joint production of sodium carbonate and sodium bicarbonate crystals, according to which: a solid powder derived from sodium sesquicarbonate, having a mean particle diameter comprised between 0.1 and 10 mm is dissolved in water; the resulting water solution is introduced into a crystallizer, wherein a first water suspension comprising sodium carbonate crystals is produced; the first water suspension is subjected to a separation, in order to produce crystals comprising sodium carbonate on the one hand, which are valorized, and a mother liquor on the other hand; and a part of the mother liquor is taken out of the crystallizer and put into contact in, a gas liquid contactor, with a gas comprising carbon dioxide, in order to produce a second water suspension comprising sodium bicarbonate crystals, which are separated and valorized. A reagent powder comprising sodium bicarbonate crystals made by such process.

    Process for producing sodium bicarbonate
    6.
    发明授权
    Process for producing sodium bicarbonate 有权
    生产碳酸氢钠的方法

    公开(公告)号:US09422166B2

    公开(公告)日:2016-08-23

    申请号:US12811663

    申请日:2009-01-06

    摘要: In a process to produce sodium carbonate, a first production solution comprising sodium carbonate is introduced into less basic compartments of an electrodialyzer comprising alternating less basic and more basic adjacent compartments separated from each other by cationic membranes, the more basic compartments being delimited by anionic faces of bipolar membranes on one side and by the cationic membranes on the other side; a second production solution comprising sodium carbonate is introduced into the more basic compartments of the electrodialyzer; a solution comprising sodium hydroxide is produced into the more basic compartments by combination of sodium ions flux sodium ions crossing the cationic membrane and hydroxyl ions flux crossing the anionic face of the bipolar membranes, and is then extracted from the electrodialyzer to be used as a reaction solution; and the reaction solution is reacted with sodium bicarbonate in order to form a produced solution comprising sodium carbonate.

    摘要翻译: 在生产碳酸钠的方法中,将包含碳酸钠的第一制备溶液引入电解槽的较少碱性室中,其包含由阳离子膜彼此分离的交替的较少碱性和更碱性的相邻隔室,更基本的隔室由阴离子面 双极膜在一侧和另一侧的阳离子膜; 将包含碳酸钠的第二制备溶液引入电渗析器的更碱性的隔室中; 将包含氢氧化钠的溶液通过与阳离子膜交叉的钠离子通量钠离子与穿过双极性膜的阴离子面的羟基离子通量的组合而形成到更碱性的隔室中,然后从电渗析器中提取以用作反应 解; 并将反应溶液与碳酸氢钠反应,以形成包含碳酸钠的生产溶液。

    Process for producing sodium carbonate and/or sodium bicarbonate from an ore mineral comprising sodium bicarbonate
    7.
    发明申请
    Process for producing sodium carbonate and/or sodium bicarbonate from an ore mineral comprising sodium bicarbonate 审中-公开
    从包含碳酸氢钠的矿石矿石中生产碳酸钠和/或碳酸氢钠的方法

    公开(公告)号:US20100282614A1

    公开(公告)日:2010-11-11

    申请号:US12811643

    申请日:2009-01-06

    IPC分类号: C25B3/00

    摘要: In a process to produce sodium carbonate and/or sodium bicarbonate from an ore mineral comprising sodium bicarbonate, a production solution comprising sodium carbonate is introduced into less basic compartments of an electrodialyser comprising alternating less basic and more basic adjacent compartments separated from each other by cationic membranes, the more basic compartments being delimited by anionic faces of bipolar membranes on one side and by the cationic membranes on the other side; a solution comprising sodium hydroxide is produced into the more basic compartments by combination of sodium ions flux crossing the cationic membrane and hydroxyl ions flux crossing the anionic face of the bipolar membranes, and is then extracted from the electrodialyser to be used as a reaction solution; the reaction solution is put into contact with the mineral ore to form a solution comprising sodium carbonate; and the solution comprising sodium carbonate is divided into a part used as the production solution and a remaining part used as a produced solution.

    摘要翻译: 在由包含碳酸氢钠的矿石矿石生产碳酸钠和/或碳酸氢钠的方法中,将包含碳酸钠的生产溶液引入到电离渗析器的较少碱性室中,其包含交替的较少碱性和更碱性的相邻隔室,其通过阳离子 膜,更基本的隔室由一侧的双极膜的阴离子面和另一侧的阳离子膜界定; 通过与阳离子膜交叉的钠离子通量和与双极性膜的阴离子面交叉的羟基离子通量的组合,将包含氢氧化钠的溶液生成到更碱性的隔室中,然后从电渗析器中提取以用作反应溶液; 将反应溶液与矿石矿石接触以形成包含碳酸钠的溶液; 将包含碳酸钠的溶液分为用作生产溶液的部分和用作生产溶液的剩余部分。

    Process for the production of sodium bicarbonate
    8.
    发明授权
    Process for the production of sodium bicarbonate 有权
    生产碳酸氢钠的方法

    公开(公告)号:US09139447B2

    公开(公告)日:2015-09-22

    申请号:US12305444

    申请日:2007-07-09

    IPC分类号: B01D61/44 C01D7/34

    CPC分类号: C01D7/34 B01D61/44

    摘要: Process for the joint production of sodium carbonate and sodium bicarbonate out of sesquicarbonate, in which the sesquicarbonate is dissolved in water, in order to form a feed water solution comprising both sodium carbonate and sodium bicarbonate, in which at least part of the feed water solution is introduced into all the compartments of an electrodialyser and in which a sodium bicarbonate enriched solution and a sodium carbonate enriched solution are extracted from the compartments.

    摘要翻译: 为了形成包含碳酸钠和碳酸氢钠两者的进料水溶液,其中将倍半碳酸酯溶于水中的碳酸氢钠和碳酸氢钠联合生产方法,其中至少部分给水溶液 被引入电渗析器的所有隔室中,并且其中从隔室中提取富含碳酸氢钠的溶液和富含碳酸钠的溶液。

    Process for the joint production of sodium carbonate and sodium bicarbonate
    9.
    发明授权
    Process for the joint production of sodium carbonate and sodium bicarbonate 有权
    联合生产碳酸钠和碳酸氢钠的方法

    公开(公告)号:US08784756B2

    公开(公告)日:2014-07-22

    申请号:US13139430

    申请日:2009-12-22

    IPC分类号: C01D1/32

    摘要: A process for the joint production of sodium carbonate and sodium bicarbonate out of trona, comprising: introducing and dissolving crushed trona ore in a leaching tank containing a solution comprising sodium carbonate and sodium bicarbonate, saturated in sodium bicarbonate, in order to produce solid particles suspended in a production solution comprising sodium carbonate, the solid particles containing insoluble impurities and at least 65% in weight of sodium bicarbonate; separating the solid particles from the production solution containing sodium carbonate; drying and valorizing the separated solid particles; taking at least part of the production solution containing sodium carbonate out of the leaching tank in order to constitute a produced solution which is valorized; and introducing water in the leaching tank.

    摘要翻译: 一种用于从天然碱中共同生产碳酸钠和碳酸氢钠的方法,包括:将压碎的天然碱矿石引入并溶解在含有碳酸钠和碳酸氢钠的溶液的浸出槽中,所述溶液包含在碳酸氢钠中饱和的溶液,以产生悬浮的固体颗粒 在包含碳酸钠的生产溶液中,固体颗粒含有不溶性杂质和至少65重量%的碳酸氢钠; 从含有碳酸钠的生产溶液中分离固体颗粒; 干燥和加压分离的固体颗粒; 将含有碳酸钠的生产溶液的至少一部分从浸出槽中取出以构成产生的增值溶液; 并在浸出池中引入水。

    Process for the joint production of sodium carbonate and sodium bicarbonate
    10.
    发明申请
    Process for the joint production of sodium carbonate and sodium bicarbonate 审中-公开
    联合生产碳酸钠和碳酸氢钠的方法

    公开(公告)号:US20110064637A1

    公开(公告)日:2011-03-17

    申请号:US12991350

    申请日:2009-05-12

    摘要: Process for the joint production of sodium carbonate and sodium bicarbonate crystals, according to which: a solid powder derived from sodium sesquicarbonate, having a mean particle diameter comprised between 0.1 and 10 mm is dissolved in water; the resulting water solution is introduced into a crystallizer, wherein a first water suspension comprising sodium carbonate crystals is produced; the first water suspension is subjected to a separation, in order to produce crystals comprising sodium carbonate on the one hand, which are valorized, and a mother liquor on the other hand; and a part of the mother liquor is taken out of the crystallizer and put into contact in, a gas liquid contactor, with a gas comprising carbon dioxide, in order to produce a second water suspension comprising sodium bicarbonate crystals, which are separated and valorized. A reagent powder comprising sodium bicarbonate crystals made by such process.

    摘要翻译: 用于联合生产碳酸钠和碳酸氢钠晶体的方法,其中将来自碳酸二钠的固体粉末,其平均粒径为0.1至10mm,溶于水; 将所得水溶液引入结晶器中,其中制备包含碳酸钠晶体的第一水悬浮液; 将第一水悬浮液进行分离,以产生一方面包含加价的碳酸钠和另一方面是母液的晶体; 并将一部分母液从结晶器中取出并与气液接触器与包含二氧化碳的气体接触,以便产生包含碳酸氢钠晶体的第二水悬浮液,所述第二水悬浮液分离并加价。 包含通过这种方法制造的碳酸氢钠晶体的试剂粉末。