作业帮英语翻译Kinetics of acid-oxygen leaching of low-sulfur Ni-Cu mat
来源：学生作业帮 编辑：拍题作业网作业帮 分类：英语作业 时间：2024/05/14 10:12:50
英语翻译
Kinetics of acid-oxygen leaching of low-sulfur Ni-Cu matte at atmospheric pressure
A study of the leaching of low-sulfur Ni-Cu matte in acid-oxygen (CuSO4-H2so4-O2)solution at atmospheric pressure was described in present work .This matte was obtained from high grade Ni-Cu matte by magnetic separation ,which mainly contained Ni-Cu alloy and small quantity sulfides .The effects of variations in temperature ,agitation,oxygen flow rate ,particle size,acid concentration and concentration of copper ion were all studied.It was found that the matte particles were leached by shrinking core mechanism and electrochemical in natural .At a temperature range of 30-60℃,the surface reaction was rate-limiting step,with an apparent activation energy of 41.9 kj.mol-1.But at higher temperature(70-85℃),the rate process was controlled by diffusion through the product layer,with an apparent activation energr of 7.3 kj-mol-1.
Kinetics of acid-oxygen leaching of low-sulfur Ni-Cu matte at atmospheric pressure
A study of the leaching of low-sulfur Ni-Cu matte in acid-oxygen (CuSO4-H2so4-O2)solution at atmospheric pressure was described in present work .This matte was obtained from high grade Ni-Cu matte by magnetic separation ,which mainly contained Ni-Cu alloy and small quantity sulfides .The effects of variations in temperature ,agitation,oxygen flow rate ,particle size,acid concentration and concentration of copper ion were all studied.It was found that the matte particles were leached by shrinking core mechanism and electrochemical in natural .At a temperature range of 30-60℃,the surface reaction was rate-limiting step,with an apparent activation energy of 41.9 kj.mol-1.But at higher temperature(70-85℃),the rate process was controlled by diffusion through the product layer,with an apparent activation energr of 7.3 kj-mol-1.
动力学酸氧低硫镍铜浸出亚光在大气压力
作者：低含硫镍锍酸铜氧（硫酸铜,硫酸,氧气）在常压浸出液中描述的研究是目前的工作.这是从高档亚光镍铜锍得到了磁分离,主要含镍铜合金及少量硫化物.在温度,搅拌,氧气流量,颗粒大小,浓度和铜离子浓度变化的研究都影响.有人发现,通过缩小磨砂粒子在自然的核心机制和电化学淋溶的30-60℃温度范围.,表面反应速率限制与41.9 kj.mol- 1的表观活化能步骤.但是在较高温度（70-85℃）,运动过程进行控制,通过产品扩散层,具有7.3千焦耳- mol - 1的表观活化能energr.
作者：低含硫镍锍酸铜氧（硫酸铜,硫酸,氧气）在常压浸出液中描述的研究是目前的工作.这是从高档亚光镍铜锍得到了磁分离,主要含镍铜合金及少量硫化物.在温度,搅拌,氧气流量,颗粒大小,浓度和铜离子浓度变化的研究都影响.有人发现,通过缩小磨砂粒子在自然的核心机制和电化学淋溶的30-60℃温度范围.,表面反应速率限制与41.9 kj.mol- 1的表观活化能步骤.但是在较高温度（70-85℃）,运动过程进行控制,通过产品扩散层,具有7.3千焦耳- mol - 1的表观活化能energr.
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