研究了铜阳极泥脱铜渣采用盐酸加双氧水浸出渣中金、硒的工艺,考察了盐酸百分比浓度、双氧水用量、反应时间、液固比等条件下对铜阳极泥脱铜渣中金、硒的浸出率影响。实验结果表明:盐酸百分比浓度在25%,双氧水用量在0.5 m L/g_(-脱铜渣)...研究了铜阳极泥脱铜渣采用盐酸加双氧水浸出渣中金、硒的工艺,考察了盐酸百分比浓度、双氧水用量、反应时间、液固比等条件下对铜阳极泥脱铜渣中金、硒的浸出率影响。实验结果表明:盐酸百分比浓度在25%,双氧水用量在0.5 m L/g_(-脱铜渣),反应时间3 h,液固比为3∶1的条件下,金、硒的浸出率分别达到了98.26%、92.84%。展开更多
The control design, based on self-adaptive PID with genetic algorithms(GA) tuning on-line was investigated, for the temperature control of industrial microwave drying rotary device with the multi-layer(IMDRDWM) and wi...The control design, based on self-adaptive PID with genetic algorithms(GA) tuning on-line was investigated, for the temperature control of industrial microwave drying rotary device with the multi-layer(IMDRDWM) and with multivariable nonlinear interaction of microwave and materials. The conventional PID control strategy incorporated with optimization GA was put forward to maintain the optimum drying temperature in order to keep the moisture content below 1%, whose adaptation ability included the cost function of optimization GA according to the output change. Simulations on five different industrial process models and practical temperature process control system for selenium-enriched slag drying intensively by using IMDRDWM were carried out systematically, indicating the reliability and effectiveness of control design. The parameters of proposed control design are all on-line implemented without iterative predictive calculations, and the closed-loop system stability is guaranteed, which makes the developed scheme simpler in its synthesis and application, providing the practical guidelines for the control implementation and the parameter design.展开更多
文摘研究了铜阳极泥脱铜渣采用盐酸加双氧水浸出渣中金、硒的工艺,考察了盐酸百分比浓度、双氧水用量、反应时间、液固比等条件下对铜阳极泥脱铜渣中金、硒的浸出率影响。实验结果表明:盐酸百分比浓度在25%,双氧水用量在0.5 m L/g_(-脱铜渣),反应时间3 h,液固比为3∶1的条件下,金、硒的浸出率分别达到了98.26%、92.84%。
基金Project(51090385) supported by the Major Program of National Natural Science Foundation of ChinaProject(2011IB001) supported by Yunnan Provincial Science and Technology Program,China+1 种基金Project(2012DFA70570) supported by the International Science & Technology Cooperation Program of ChinaProject(2011IA004) supported by the Yunnan Provincial International Cooperative Program,China
文摘The control design, based on self-adaptive PID with genetic algorithms(GA) tuning on-line was investigated, for the temperature control of industrial microwave drying rotary device with the multi-layer(IMDRDWM) and with multivariable nonlinear interaction of microwave and materials. The conventional PID control strategy incorporated with optimization GA was put forward to maintain the optimum drying temperature in order to keep the moisture content below 1%, whose adaptation ability included the cost function of optimization GA according to the output change. Simulations on five different industrial process models and practical temperature process control system for selenium-enriched slag drying intensively by using IMDRDWM were carried out systematically, indicating the reliability and effectiveness of control design. The parameters of proposed control design are all on-line implemented without iterative predictive calculations, and the closed-loop system stability is guaranteed, which makes the developed scheme simpler in its synthesis and application, providing the practical guidelines for the control implementation and the parameter design.
