| Budget Amount *help |
¥17,290,000 (Direct Cost: ¥13,300,000、Indirect Cost: ¥3,990,000)
Fiscal Year 2016: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2015: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2014: ¥7,150,000 (Direct Cost: ¥5,500,000、Indirect Cost: ¥1,650,000)
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| Outline of Final Research Achievements |
We surveyed the anammox presence in the 7-full-scale hybrid type CWs treating wastewater from livestock farming or livestock products industry, and clarified the relationship between wastewater condition and anammox concentration. Anammox existed with relatively higher concentration in the CWs treating swine wastewater or dairy wastewater with the last bed with vertical flow or before the last bed with horizontal flow, where BOD and COD concentration were low and NO2- and NO3- concentrations were high. The high concentration of anammox DNA continued, however they dropped in winter season with air temperature drops less than zero. This study provides new and useful information to intensify nitrogen removal in hybrid CWs by adding anammox treatment.
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