1. The smallest ilmenite grains, which have the highest concentration of hydrogen, are the hardest to liberate from other minerals.

2. Another dissolves ilmenite or some other iron mineral in sulfuric acid to release oxygen.

3. The second byproduct of ilmenite reduction is high-purity metallic iron, which can be directly melted and cast into products.

4. Ilmenite in Henan kimberlite implies that kimberlitic magma in the area is undifferentiated magma of si...

5. The reaction kinetics leading ilmenite directly by acid was investigated.

6. The valuable heavy placer minerals consist of ilmenite, monazite, zircon, and rutile etc, which are mainly distributed in calcareous biological sand in the Beikang, Nankang and Zengmu submarine banks.

7. The synthetic rutile is prepared by directly leaching ilmenite from Panzhihua area with hydrochloric acid.

8. The interaction of MOS with ilmenite was studied by mineral absorption measurement and infrared spectrum analysis.

9. Tin, gold, ilmenite, zircon, monazite and kaolin, fire - resistant clay and so have the potential for exploration.

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10. Mining ilmenite makes serious surface water pollution, and degenerates ecological environment.

11. Associated minerals are mainly magnetite and ilmenite, subordinately pyrite and rarely chalcopyrite.

12. If this is done, then two of the three products of ilmenite reduction will be in routine use.

13. But this requires such high temperatures that the hydrogen gas can partially react with the ilmenite.

14. It was resulted that the chlorination process of simple oxide is under chemical reaction control, while that of ilmenite is dependent on the ash layer diffusion.

15. The Lujiang meteorite, a chondrite whose petrochemical type is LL6, contains the following opaque minerals: kamacite, taenite, disordered taenite, troilite, chromite, hematite, ilmenite.

16. Test and industrial application of using ZY collector to separate coarse ilmenite are described.

17. There are 46 kinds of fragmental minerals. The 67% of heavy minerals is magnetite, ilmenite, limonite and schistose minerals.

18. Haematite is a special case of the more general ilmenite structure.

19. For processing fine, feebly magnetic minerals, such as hematite, limonite, ilmenite, wolframite, tantalumniobium, red sludge and etc.