원문정보
초록
영어
In the mine exploration sites, sustainable treatment system of mine water with energy saving and minimized chemical additives is required. Since most of the mine water contains highly-concentrated ferrous ion, it is necessary to study on the removal method of iron ions. We propose the system consisting of two processes; precipitation process by air oxidation using solid catalyst-modified magnetite and separation process combining gravitational sedimentation and magnetic separation using a permanent magnet. Firstly, in the precipitation process (a former process of the system), we succeeded to prepare solid catalyst-modified magnetite. Air oxidation using solid catalyst-modified magnetite using Fe2(SO4)3 as a starting material showed high iron removal capability. Secondly, in the separation process (latter process of the system), solid catalyst-modified magnetite using Fe2(SO4)3 as a starting material can be separated by a superconducting bulk magnet and a permanent magnet.
목차
1. INTRODUCTION
2. IRON REMOVAL BY SOLID CATALYST
2.1. Mechanism of iron removal
2.2. Experimental method
2.3. Experimental results
3. PREPARATION OF SOLID CATALYST-MODIFIED MAGNETITE
3.1. Preparation method
3.2. Evaluation of solid catalyst-modified magnetite
3.3. The properties of solid catalyst-modified magnetite
4. IRON REMOVAL BY SOLID CATALYST-MODIFIED MAGNETITE
4.1. Experimental method
4.2. Experimental results
4.3. Discussions
5. CONSIDERATION OF SEPARATION PROCESS
5.1. Experimental method
5.2. Experimental result
6. CONCLUSION
ACKNOWLEDGMENT
REFERENCES