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Solid\u2013liquid separation of dairy manure wastewater with chemical coagulants significantly reduces the fraction of organic matter stored in anaerobic conditions. However, the effects of coagulants on methane emissions from ponds and nutrient availability following field application are not well understood. In this experiment, several metal salts and organic polymers were used to coagulate dairy manure wastewater for separation into solid (floc) and liquid (effluent) fractions. The coagulants tested were ferric sulfate, ferric chloride, polyaluminum chloride, Superfloc C\u2010569, and chitosan. An anaerobic incubation of manure effluent to simulate liquid manure storage and an aerobic incubation of manure floc\u2010amended soil to simulate field application were conducted with analysis of GHGs and carbon and nitrogen transformations. The treatment of chemically separating organic matter from manure wastewater effectively eliminated methane emissions under anaerobic conditions in the laboratory. In the solid manure fraction, organic carbon was stabilized in the chemically separated flocs, and, apart from flocs produced with ferric iron, nitrogen mineralization was reduced as well. Carbon dioxide emissions were also reduced from the flocs applied to soil compared with untreated manure solids.<\/jats:p>","DOI":"10.1002\/jeq2.20195","type":"journal-article","created":{"date-parts":[[2021,1,10]],"date-time":"2021-01-10T09:10:07Z","timestamp":1610269807000},"page":"375-383","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Reducing greenhouse gas emissions and stabilizing nutrients from dairy manure using chemical coagulation"],"prefix":"10.1002","volume":"50","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7412-2631","authenticated-orcid":false,"given":"Rylie J.","family":"Ellison","sequence":"first","affiliation":[{"name":"Dep. of Land, Air, &amp; Water Resources Univ. of California  1110 Plant &amp; Environmental Sciences Building Davis CA 95616 USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"William R.","family":"Horwath","sequence":"additional","affiliation":[{"name":"Dep. of Land, Air, &amp; Water Resources Univ. of California  1110 Plant &amp; Environmental Sciences Building Davis CA 95616 USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,2,8]]},"reference":[{"issue":"2","key":"e_1_2_9_2_1","doi-asserted-by":"crossref","first-page":"259","DOI":"10.13031\/2013.21598","article-title":"Effects of Fe and Ca additions to dairy wastewaters on solids and nutrient removal by sedimentation","volume":"13","author":"Barrow J. 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