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    • 1. 发明申请
    • CHELATING AGENT BASED IONIC LIQUIDS, A PROCESS TO PREPARE THEM, AND THEIR USE
    • 基于代理的离子液体,制备方法及其使用
    • WO2009016235A3
    • 2009-05-07
    • PCT/EP2008060066
    • 2008-07-31
    • AKZO NOBEL NVDE WOLF CORNELIA ADRIANAKUZMANOVIC BORISBEMELAAR JOHANNA HENDRIKAVAN STRIEN CORNELIS JOHANNES GOVARDUSHEUS MARTINTEN KATE ANTOON
    • DE WOLF CORNELIA ADRIANAKUZMANOVIC BORISBEMELAAR JOHANNA HENDRIKAVAN STRIEN CORNELIS JOHANNES GOVARDUSHEUS MARTINTEN KATE ANTOON
    • C07C211/63C07C215/40C07C229/16C07C229/76C07F9/54
    • C07C229/16C07C211/63C07C215/40C07C229/76C07F9/5407
    • The present invention relates to ionic liquids of the formula: (Mm+)xH+ ynN+R1R2R3R4 Z-N(-CHXCOO-)pY2-p or (Mm+)x H+ y nP+R1R2R3R4Z-N(-CHXCOO-)pY2-p wherein any one of R1 to R4 independently represents a hydrogen, alkyl, cycloalkyl, aryl or aralkyl group that may be unsubstituted or substituted with one or more groups selected from OH, Cl, Br, F, I, phenyl, NH2, CN, NO2, an ether group, COOR5, CHO, COR5 or OR5, wherein R5 is an alkyl or cycloalkyl group, and wherein two of the groups R1 to R4 together with the N atom may form a heteroaromatic or heterocyclic group such as a pyridinium, pyrrolidinium or imidazolium group; the Z-N(-CHXCOO-)pY2-p is the anion derived from a chelating agent, wherein Z is a group selected from hydrogen, alkyl, an alkyl group optionally substituted with one or more carboxylate groups, hydroxyl groups and/or optionally containing one or more ether functionalities, or Z is a group of the formula -CH2-CHR6-R7-N-(CH2COO-)2, R6 is hydrogen or a C1-C3 alkyl group, R7 is a single bond, a C1-C3 alkylene group or one or more groups of the formula -N(CH2COO-)-CH2-CHR6-R8-, R8 is a single bond or a C1-C3 alkylene group, p is 2 or 1, X is H, an aryl group that may be unsubstituted or substituted with an OH and/or CH3 substituent, or CH2COO-, and when p is 1, Y is H, a benzyl group that may be unsubstituted or substituted with an OH and/or CH3 group, or a phenyl group that may be unsubstituted or substituted with an OH and/or CH3 substituent, Mm+ is a m-valent metal cation, n is 1 or higher, x is from 0 to 5, y is from 0 to 3, the total positive charge of (Mm+)x, H+ y,and nN+R1R2R3R4 or nP+R1R2R3R4 equals the negative charge of the Z-N(-CHXCOO-)pY2-p anion, wherein at least one of the following conditions is fulfilled: i) the chelating agent has a connectivity index 1 X/3 X of below 2.17, ii) at least two different cations are present in the salt, whereby a proton cation does not count as one of the at least two, iii) at least one cation is a bivalent, trivalent, tetravalent or pentavalent cation, and having a melting point below 120°C. The invention further relates to a process to prepare them and their use.
    • 本发明涉及式(Mm +)xH + ynN + R1R2R3R4ZN(-CHXCOO-)pY2-p或(Mm +)xH + ynP + R1R2R3R4Z-N(-CHXCOO-)pY2-p的离子液体,其中任何一种 R 1至R 4独立地表示可以是未取代的或被一个或多个选自OH,Cl,Br,F,I,苯基,NH 2,CN,NO 2,醚的基团取代的氢,烷基,环烷基,芳基或芳烷基 基团,COOR 5,CHO,COR 5或OR 5,其中R 5是烷基或环烷基,并且其中R 1至R 4中的两个与N原子一起可以形成杂芳族或杂环基团,例如吡啶鎓,吡咯烷鎓或咪唑鎓基团; ZN(-CHXCOO-)pY2-p是衍生自螯合剂的阴离子,其中Z是选自氢,烷基,任选被一个或多个羧酸酯基团取代的烷基,羟基和/或任选地含有一个 或更多的醚官能团,或Z是式-CH2-CHR6-R7-N-(CH2COO-)2的基团,R6是氢或C1-C3烷基,R7是单键,C1-C3亚烷基 基团或一个或多个式-N(CH 2 COO - ) - CH 2 - CHR 6 -R 8 - 的基团,R 8是单键或C 1 -C 3亚烷基,p是2或1,X是H, 可以是未被取代的或被OH和/或CH 3取代基或CH 2 COO-取代的,当p是1时,Y是H,可以是未取代的或被OH和/或CH 3基团取代的苄基或苯基 其可以是未取代的或被OH和/或CH 3取代基取代,M m +是m价金属阳离子,n为1或更高,x为0至5,y为0至3,( Mm +)x,H +​​ y和nN + R1R2R3R4或 nP + R1R2R3R4等于ZN(-CHXCOO-)pY2-p阴离子的负电荷,其中满足以下条件中的至少一个:i)螯合剂具有低于2.17的连续性指数1 X / 3 X,ii )盐中存在至少两种不同的阳离子,其中质子阳离子不计为至少两种,iii)至少一种阳离子之一是二价,三价,四价或五价阳离子,并且具有低于 120℃。 本发明还涉及制备它们及其用途的方法。
    • 2. 发明申请
    • PROCESSES INVOLVING THE USE OF ANTISOLVENT CRYSTALLIZATION
    • 涉及使用抗结晶的方法
    • WO2006045795A3
    • 2006-11-09
    • PCT/EP2005055527
    • 2005-10-25
    • AKZO NOBEL NVBARGEMAN GERRALDDEMMER RENE LODEWIJK MARIATEN KATE ANTOONKUZMANOVIC BORISVAN LARE CORNELIS ELIZABETH JOMAYER MATEO JOZEF JACQUESSCHUTYSER MAARTEN ANDRE IRENEVAN STRIEN CORNELIS JOHANNES G
    • BARGEMAN GERRALDDEMMER RENE LODEWIJK MARIATEN KATE ANTOONKUZMANOVIC BORISVAN LARE CORNELIS ELIZABETH JOMAYER MATEO JOZEF JACQUESSCHUTYSER MAARTEN ANDRE IRENEVAN STRIEN CORNELIS JOHANNES G
    • C01D3/16C01D3/06
    • C01D3/16C01D3/06
    • The present invention pertains to a process involving the use of an antisolvent comprising the steps of - feeding water to a salt source to form an aqueous solution comprising said salt if the salt source is not yet in the form of an aqueous salt solution, - feeding said aqueous solution to a crystallizer/settler, - contacting said aqueous solution with one or more antisolvents which force the salt to at least partly crystallize, with one or more crystal growth inhibitors being present in the antisolvents and/or in the aqueous solution, and/or one or more scaling inhibitors being present in the antisolvents and/or in the aqueous solution, - subjecting an overflow of the crystallizer/settler comprising one or more antisolvents and an aqueous salt solution to a separation step wherein one or more antisolvents are separated from the aqueous salt solution by one or more techniques selected from the group consisting of adsorption, ion-exchange, a temperature change induced phase split, a pH change induced phase split, a complexation induced phase split, a pressure induced phase split, evaporation, and extraction, optionally in combination with a nanofiltration step, - removing the crystallized salt from the crystallizer/settler in an aqueous slurry, - optionally, recycling the one or more antisolvents to the crystallizer/settler, and - optionally, recycling mother liquor from the slurry to the first dissolution step and/or to the crystallizer/settler. Preferably, the process is a closed loop process and the salt is sodium chloride. Preferably, the process further comprises a reverse osmosis step before the overflow of the crystallizer/settler is subjected to the separation step.
    • 本发明涉及一种涉及使用抗溶剂的方法,包括以下步骤:如果盐源不是盐水溶液的形式,则将水送入盐源以形成包含所述盐的水溶液, - 进料 将所述水溶液与所述结晶器/沉淀器接触, - 使所述水溶液与一种或多种使溶液至少部分结晶的抗溶剂接触,一种或多种晶体生长抑制剂存在于反溶剂和/或水溶液中,以及 /或一种或多种防垢剂存在于抗溶剂和/或水溶液中; - 将包含一种或多种抗溶剂和盐水溶液的结晶器/沉降器的溢流物经受分离步骤,其中分离出一种或多种抗溶剂 通过一种或多种选自吸附,离子交换,温度变化诱导相分裂,pH值 任选地与纳滤方法组合, - 以水性浆液从结晶器/沉降器中除去结晶的盐, - 任选地,循环使用 向结晶器/沉降器中提供一种或多种抗溶剂,以及 - 任选地将母液从浆料再循环到第一溶解步骤和/或将结晶器/沉降器循环。 优选地,该方法是闭环方法,盐是氯化钠。 优选地,该方法还包括在结晶器/沉降器的溢流进行分离步骤之前的反渗透步骤。