Regeneration of strong-base anion-exchange resins by sequential chemical displacement
    1.
    发明授权
    Regeneration of strong-base anion-exchange resins by sequential chemical displacement 有权
    通过连续化学位移再生强碱阴离子交换树脂

    公开(公告)号:US06448299B1

    公开(公告)日:2002-09-10

    申请号:US09491242

    申请日:2000-01-25

    CPC classification number: B01J49/57

    Abstract: A method for regenerating strong-base anion exchange resins utilizing a sequential chemical displacement technique with new regenerant formulation. The new first regenerant solution is composed of a mixture of ferric chloride, a water-miscible organic solvent, hydrochloric acid, and water in which tetrachloroferrate anion is formed and used to displace the target anions on the resin. The second regenerant is composed of a dilute hydrochloric acid and is used to decompose tetrachloroferrate and elute ferric ions, thereby regenerating the resin. Alternative chemical displacement methods include: (1) displacement of target anions with fluoroborate followed by nitrate or salicylate and (2) displacement of target anions with salicylate followed by dilute hydrochloric acid. The methodology offers an improved regeneration efficiency, recovery, and waste minimization over the conventional displacement technique using sodium chloride (or a brine) or alkali metal hydroxide.

    Abstract translation: 利用具有新的再生剂配方的连续化学位移技术再生强碱阴离子交换树脂的方法。 新的第一再生剂溶液由氯化铁,水混溶性有机溶剂,盐酸和水的混合物组成,其中形成四氯铁酸盐阴离子并用于置换树脂上的目标阴离子。 第二再生剂由稀盐酸组成,用于分解四氯铁酸盐并洗脱三价铁离子,从而再生树脂。 替代化学位移方法包括:(1)用氟硼酸盐,硝酸盐或水杨酸盐置换目标阴离子,和(2)用水杨酸盐置换目标阴离子,然后用稀盐酸置换。 与使用氯化钠(或盐水)或碱金属氢氧化物的常规置换技术相比,该方法提供了改进的再生效率,回收率和废物最小化。

    Device for regenerating an ion exchange cartridge
    2.
    发明授权
    Device for regenerating an ion exchange cartridge 失效
    用于再生离子交换盒的装置

    公开(公告)号:US06749744B1

    公开(公告)日:2004-06-15

    申请号:US09678457

    申请日:2000-10-03

    CPC classification number: B01J49/75

    Abstract: The invention relates to a device for regenerating an ion exchange cartridge. In household appliances with an electric heating element for heating water, such as irons, coffee makers, and electric water kettles, deposition of scale is prevented by using an ion exchange cartridge (16) comprising a resin (23) which binds alkaline earth metal ions such as Ca2+ and Mg2+, but also negative ions such as SO42− and CO32− ions. The device is a simple tool in which the cartridge can be inserted for regeneration. The device comprises a reservoir (2) with an outlet (10) to which an inlet (6) of the cartridge can be coupled. By filling the reservoir with a brine, for example 1 l of water with 10% by weight of NaCl, said brine will flow through the cartridge replacing the alkaline earth metal ions, carbonate ions, and sulfate ions in the resin with the alkali metal ions (Na+) and the chloride ions (Cl−) of the brine. The brine can be easily drained into a sink.

    Abstract translation: 本发明涉及一种用于再生离子交换盒的装置。 在具有用于加热水的电加热元件如铁,咖啡机和电水壶的家用电器中,通过使用包含结合碱土金属离子的树脂(23)的离子交换盒(16)来防止垢的沉积, 例如Ca 2+和Mg 2+,还有负离子如SO 4 2-和CO 3 2-离子。 该装置是一种简单的工具,其中可以将盒插入以用于再生。 所述装置包括具有出口(10)的储存器(2),所述盒的入口(6)可与所述出口连接。 通过用盐水填充储存器,例如1升具有10重量%NaCl的水,所述盐水将流过所述筒,以碱金属离子代替树脂中的碱土金属离子,碳酸根离子和硫酸根离子 (Na +)和盐水的氯离子(Cl - )。 盐水可以很容易地排入水槽。

    Efficiency mode for water softener
    4.
    发明授权
    Efficiency mode for water softener 有权
    软水器效率模式

    公开(公告)号:US06790362B2

    公开(公告)日:2004-09-14

    申请号:US10044609

    申请日:2002-01-11

    CPC classification number: B01J49/85

    Abstract: The present invention provides a controller for a water softener having an ion exchange resin capable of receiving hard water ions from hard water during a softening step and releasing the hard water ions during a regeneration step. The controller includes a processor programmed to cause termination of the softening step and initiate the regeneration step when both a first and a second condition are met. The first condition is met when the resin is saturated with hard water ions, and the second condition is met when current demand for soft water is at or below a prescribed flow rate.

    Abstract translation: 本发明提供了一种用于软化剂的控制器,其具有离子交换树脂,其能够在软化步骤期间从硬水接收硬水离子,并在再生步骤期间释放硬水离子。 控制器包括处理器,其被编程为当满足第一和第二条件时,引起软化步骤的终止并且启动再生步骤。 当树脂被硬水离子饱和时满足第一条件,当软水的当量需求等于或低于规定流量时,满足第二条件。

    Method for countercurrent regeneration of an ion exchange resin bed
    5.
    发明授权
    Method for countercurrent regeneration of an ion exchange resin bed 有权
    离子交换树脂床逆流再生方法

    公开(公告)号:US06358421B1

    公开(公告)日:2002-03-19

    申请号:US09551588

    申请日:2000-04-18

    CPC classification number: G01K1/00 B01J49/00 B01J49/50

    Abstract: An improved method for regenerating ion exchange resin in a treatment tank having a flow direction, which includes the steps of providing a supply of regenerant under pressure into the tank, and introducing the regenerant into the tank in an opposite flow direction to the treatment flow direction. In the preferred embodiment, the regenerant is a combination of CO2 which is mixed with water to form carbonic acid and citric acid. This mixture is then introduced into the treatment tank without storage.

    Abstract translation: 一种用于在具有流动方向的处理槽中再生离子交换树脂的改进方法,其包括在压力下向罐中提供再生剂的供给步骤,并且将再生剂以与处理流动方向相反的流动方向引入罐中 。 在优选的实施方案中,再生剂是与水混合以形成碳酸和柠檬酸的CO 2的组合。 然后将该混合物引入处理槽而不储存。

    Apparatus for contacting fluids and solids
    6.
    发明授权
    Apparatus for contacting fluids and solids 失效
    用于接触流体和固体的装置

    公开(公告)号:US06228257B1

    公开(公告)日:2001-05-08

    申请号:US07749554

    申请日:1991-08-23

    Applicant: Johnny Arnaud

    Inventor: Johnny Arnaud

    CPC classification number: B01J47/10

    Abstract: Methods and apparatus for contacting solids and fluids are provided, where the fluids are allowed to traverse a downward path through a plurality of vertically arranged chambers in which said solids are located. The solids may be transferred upwardly through the chambers to assure optimal contact between the solids and the fluids. The transfer of the solids may be accomplished by fluidizing the solids and transporting them in a carrier fluid in a fluid flow loop. At the desired transfer location, the solids are prevented from completing passage through the fluid loop.

    Abstract translation: 提供了用于接触固体和流体的方法和装置,其中允许流体穿过其中所述固体位于其中的多个垂直布置的室的向下路径。 固体可以向上传递通过室以确保固体和流体之间的最佳接触。 固体的转移可以通过使固体流化并将其输送到流体流动回路中的载体流体中来实现。 在所需的转移位置,防止固体完全通过流体回路。

    Accessible well for brine tank
    7.
    发明授权
    Accessible well for brine tank 有权
    可用于盐水罐

    公开(公告)号:US06331255B1

    公开(公告)日:2001-12-18

    申请号:US09350592

    申请日:1999-07-09

    CPC classification number: B01J49/75 C02F5/00

    Abstract: A well (12) outside of a brine tank (10) is provided which provides better accessibility to the brine refill valve (112) or other components within the well. Also, apertures (42-48) of differing elevations above the bottom of the brine tank can communicate between the brine tank and the well (12). Selected ones of the apertures can be plugged to select the quantity of water which can be removed and refilled in the brine tank.

    Abstract translation: 提供了在盐水箱(10)外部的井(12),其为盐水补充阀(112)或井内的其它部件提供更好的可接近性。 此外,在盐水箱底部之上的不同高度的孔(42-48)可以在盐水箱和井(12)之间连通。 可以选择一些孔径来选择可以在盐水箱中去除和再填充的水量。

    Brine fill apparatus for water softener
    8.
    发明授权
    Brine fill apparatus for water softener 失效
    水软化剂盐水装置

    公开(公告)号:US06284132B1

    公开(公告)日:2001-09-04

    申请号:US09016203

    申请日:1998-01-30

    Abstract: A water softener and a method of operating the same are provided to allow for the efficient use of either NaCl or KCl as the regenerant salt. A user interface is provided to allow the user to indicate to the computer controlling the water softener whether NaCl or KCl is being used. The computer controller adjusts the fill time and brine time, depending on the type of regenerant salt used and on the temperature of the brine.

    Abstract translation: 提供了一种软水剂及其操作方法,以有效地使用NaCl或KCl作为再生盐。 提供用户界面以允许用户向计算机指示控制软水器是否使用NaCl或KCl。 计算机控制器根据所用再生盐的类型和盐水的温度来调节灌装时间和盐水时间。

    Method of making brine for regeneration of a softening appliance
    10.
    发明授权
    Method of making brine for regeneration of a softening appliance 失效
    制备盐水以再生软化器具的方法

    公开(公告)号:US06238567B1

    公开(公告)日:2001-05-29

    申请号:US09185086

    申请日:1998-11-03

    CPC classification number: B01F1/0022 B01F15/00155 B01J49/75

    Abstract: Described is a method for making brine to be used for regenerating water softening appliances. The brine is made in a reservoir having a float mechanism therein coupled to a seal that prevents the brine from dropping below a predetermined level in the reservoir. This creates a stock buffer of brine that always remain in the reservoir so that after adding a sufficient volume of water to regenerate a softening applicant, an effective concentration of brine is immediately available above the predetermined level for carrying out the regeneration. This allows for minimal wait time between subsequent regenerations of one or a plurality of water softening appliances. Preferably, an over-flow warning device cooperating with the reservoir water intake is also provided.

    Abstract translation: 描述了用于制造盐水用于再生水软化器具的方法。 盐水制成在其中具有浮动机构的储存器中,该浮动机构联接到密封件上,防止盐水下降到储存器中的预定水平以下。 这产生了始终保留在储存器中的盐水贮存缓冲液,使得在添加足够体积的水以再生软化申请人之后,可以在预定水平上立即获得有效浓度的盐水以进行再生。 这允许在一个或多个水软化装置的后续再生之间的最小等待时间。 优选地,还提供与储存器水入口配合的过流警告装置。

Patent Agency Ranking