Improved inter-particle flow models for predicting heap leaching hydrodynamics

نویسندگان
چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Investigative study into the hydrodynamics of heap leaching processes

Three mathematical models (mixed side-pore and profile side-pore diffusion with uniform or distributed pore length) are derived in dimensionless form to simulate the transport of solutes through the flowing channels and the stagnant pores of an unsaturated heap. Model parameters are determined from experimental tracer residence time distributions using the least square minimization approach. It...

متن کامل

Using Smoothed Particle Hydrodynamics for Industrial Flow Simulations

Pictorial representation of the nine Fluent 5 benchmark test cases (see article on page 13) Editorial L'inauguration de la Swiss T1 du 23 août dernier à l'EPFL a démontré que l'utilisation d'un ordinateur parallèle basé sur une grappe constituée de composants standard du marché est une solution viable pour des calculs à haute performance. Les résultats obtenus par les différents utilisateurs su...

متن کامل

A Posteriori Analysis of Analytical Models for Heap Leaching Using Uncertainty and Global Sensitivity Analyses

The heap leaching of minerals is one of the more commonly used processes in the mining industry. This process has been modeled by many authors. However, the validation, verification, and implementation of these models are difficult since there is uncertainty about the operating conditions and the leaching model parameters. This work uses the uncertainty quantification, based on uncertainty and ...

متن کامل

A Mathematical Model for Isothermal Heap and Column Leaching

Leaching occurs in metals recovery, in contaminated soil washing, and in many natural processes, such as fertilizer dissolution and rock weathering. This paper presents a model developed to simulate the transient evolution of the dissolved chemical species in the heap and column isothermal leaching processes. In this model, the solid bed is numerically divided into plane layers; the recovery of...

متن کامل

Stability Analysis and Stabilization of Miduk Heap Leaching Structure, Iran

To construct copper heap leaching structures, a stepped heap of ore is placed over an isolated sloping surface and then washed with sulphuric acid. The isolated bed of such a heap consists of some natural and geosynthetic layers. Shear strength parameters between these layers are low, so they form the possible sliding surfaces of the heaps. Economic and environmental considerations call for stu...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Minerals Engineering

سال: 2017

ISSN: 0892-6875

DOI: 10.1016/j.mineng.2017.06.004