Treatment of ammonium-rich swine waste in modified porphyritic andesite fixed-bed anaerobic bioreactor.


In this study, a modified porphyritic andesite (WRS) was developed as ammonium adsorbent and bed material for the anaerobic digestion of ammonium-rich swine waste. The performance in bioreactors with modified WRS, natural WRS, calcium chloride and no additives was investigated. The bioreactor with modified WRS exhibited the best performance, with start-up… (More)
DOI: 10.1016/j.biortech.2012.01.182


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