中文摘要：

选择罗河铁矿含矿围岩云辉粗安岩为研究对象,使用叠层反应器,进行了在22MPa、100～400℃的条件下水岩相互作用地球化学动力学实验,系统地研究了不同温度、不同流速下元素的溶解情况并计算出其溶解速率。实验发现,元素在溶液中的浓度随着流速、温度的变化而变化。大多数元素在溶液中的浓度随着温度的升高而增加,一般在300～400℃时浓度达到最大。溶解速率随温度的不断升高而发生变化,各种元素达到最大溶解速率的温度大多在200～400℃之间。但是各个元素的最大溶解速率对应的温度并不相同。流体的流速影响着元素的溶解速率,元素的最大溶解速率并不都是在最大流速时产生的。

英文摘要：

In order to study rock-water interaction of Luohe iron deposit, kinetics experiment is conducted at 22 MPa and the temperature range from 100℃ to 400℃。 The experiment was carried out by using packed bed reaction at current velocities of 1.0, 1.5, 2.0.2.5, 3.0 ml/min, and at the temperature of 100℃, 200℃, 300℃, 350℃, 374℃ and 400℃, respectively. The experiment shows most of the element concentrations are increasing with the increase of the temperature, usually the maximum of element concentration is at the range from 300℃ to 400℃. Dissolution rates of the elements are variable when the temperature is rising. The maximum dissolution rates of most of elements occurred at 200℃～400℃, the temperatures when dissolution rates of the elements reached the maximum are different. The flow velocities influence the dissolution rates of the elements and the appearance of maximum dissolution rate of the elements could not have the sametime of the occuring of maximum flow velocities.