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In Memory of Professor Jerzy Radecki
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eISSN: 2083-5906
ISSN: 1230-1485
ISSN: 1230-1485
Keyword sewage treatment plants
ORIGINAL RESEARCH
Influence of the Treatment Process on Nitrogen Content in Humic Acids Extracted from Sewage Sludge
J. Polak, W. W. Sulkowski
Pol. J. Environ. Stud. 2006;15(4):573-577
| eISSN: | 2083-5906 |
| ISSN: | 1230-1485 |
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