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Determination of the content of nutrients in liquid animal waste
Table 1 - Results of studying samples using a scanning scanning electron microscope
Element content,% | initial sludge from pig farms before processing (dried) | sludge from pig farm waste after reagent coagulation (dried) | ||
Actual value | Measurement error (with confidence probability p=0.95) | Actual value | Measurement error (with confidence probability p=0.95) | |
C(carbon) | 40,41 | ±1,03 | 39,52 | ±0,98 |
N (nitrogen) | 8,59 | ±0,16 | 3,57 | ±0,10 |
O (oxygen) | 39,13 | ±2,05 | 41,68 | ±3,12 |
Na (natrium) | 0,37 | ±0,05 | 0,31 | ±0,05 |
Si (silicium) | 0,43 | ±0,02 | 0,78 | ±0,03 |
P(phosphorus) | 0,87 | ±0,05 | 4,10 | ±0,3 |
S(sulphuris) | 0,59 | ±0,01 | 1,02 | ±0,03 |
K(potassium) | 0,13 | ±0,02 | 0,23 | ±0,03 |
Ca (calcium) | 9,48 | ±0,1 | 10,91 | ±0,0 |