Continuing to add organic materials to the coal gangue further reduces the leaching liquid Eh, but the improvement effect on pH and EC is not much different from that of Treatment B.
The continued addition of organic materials to coltan further reduced the gonorrhea Eh, but the improvement effect of pH and EC was not much different from that of treatment B.
Adding organic materials to coal gangue further reduces EH of leaching liquid, but the improvement effect of pH and EC is not different from that of treatment B.<br>