|
| Analysis of ground water quality in atypical large-scaled pig farm |
| |
| DOI： |
|
| Hits: 1746 |
| Download times: 594 |
| Abstract: |
| A typical large-scaled pig farm was selected to monitor the ground water quality. The results showed
that pH，total nitrogen concentration and number of fecal coliforms was 7.72-7.79，1.73-2.87 mg/L and 3.663×
105-5.257×105，respectively，in the water of five wells，the number of fecal coliforms exceeded the standard level of
ground water. Further investigations in well water quality were conducted on two typical wells. Results showed that the
concentrations of nitrate nitrogen and total soluble solids were lower than class Ⅰ of water quality standard；the nitrite
content was lower than class Ⅲ of water quality standard. The concentrations of total nitrogen and total phosphorus
were 3.06-3.42 mg/L and 0.12-0.21 mg/L，respectively. The well water was polluted by some organic contaminants as
evinced by the variations of COD and BOD5. Ammonia nitrogen and fecal coliforms were pollutants found in the water
of two wells and were much higher than the class V of water quality standard. In summary，the water quality in this
large-scaled pig farm was poor mainly because of the ammonium nitrogen and fecal coliforms contamination |
|
View Full Text
View/Add Comment Download reader |
