There is in the structure a unit of pattern containing copper, sulphur, and oxygen atoms in the same proportions as that in which they occur in the molecule.
With sulphur content increasing by big percentages, the property of the raw ore in Tongshan Copper Mine has changed greatly and the existing processing flowsheet became unfit.
铜山铜矿原矿性质发生较大变化，含硫大幅度增高，现有选矿工艺流程已难以适应。
3
The new technology of coppersulphur separation that USES a highly efficient depressor to thoroughly replace the lime is discussed.