发明名称 |
ACIDIC AQUEOUS SOLUTION CONTAINING A CHELATING AGENT AND THE USE THEREOF |
摘要 |
The present invention relates to an acidic aqueous solution containing a chelating agent and an acid, wherein the chelating agent is glutamic acid N,N-diacetic acid (GLDA) or a salt thereof and wherein the amount of GLDA or the salt thereof is at least 10 wt%,based on the weight of the aqueous solution,and to the use thereof as an oilfield chemical, in descaling processes,or inprocesses in which highly concentrated aqueous acids are used, such ascleaning processes or plating processes. |
申请公布号 |
WO2009086954(A1) |
申请公布日期 |
2009.07.16 |
申请号 |
WO2008EP63618 |
申请日期 |
2008.10.10 |
申请人 |
AKZO NOBEL N.V.;DE WOLF, CORNELIA ADRIANA;LEPAGE, JAMES, N.;BEMELAAR, JOHANNA HENDRIKA |
发明人 |
DE WOLF, CORNELIA ADRIANA;LEPAGE, JAMES, N.;BEMELAAR, JOHANNA HENDRIKA |
分类号 |
C09K8/74;C11D7/32;C23C18/16 |
主分类号 |
C09K8/74 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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