The paper introduces oxygen-enriched concentration,mixed-oxygen calculation and control of oxygen-enriched concentration in the process of flash furnace copper-smelting,together with how to realize mixed oxygen calculation and oxygen-enriched concentration control in DCS.

Practice of operating Shuigang No.3 BF's oxygen-enriched blast;

Study of low pressure and high flux membrame of hollow fiber in oxygen-enriched burn;

Experiments and Numerical Simulation on Oxygen-enriched Combustion and Direct Ignition of Pulverized Coal;

Relationship between magnetic field parameters and oxygen enrichment results;

Preparation of PDMS-polycarbonate composite membranes for oxygen enrichment

According to the analysis of the base of strengthening BF smelting,measures of rational upper-bottom relief,oxygen enrichment and coal injection as well as strict management in operation and raw materials and fuels were taken,realizing the goal of strengthening BF smelting.

The feasibility of advancing sulfur-fixation ratio of based-calcium sulfur-fixation in the atmosphere of rich oxygen is discussed.

The test results of atmospheric gasification with rich oxygen or pure oxygen for three kinds of coal samples in a pressure gasification test device with 100 mm fixed-bed are analyzed.

The article simply introduces the technoloy of rich oxygen applied in limeproducing plant through anlysis of balance of heat quantity in lime kiln.