{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T01:04:22Z","timestamp":1790643862627,"version":"4.1.0"},"reference-count":35,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T00:00:00Z","timestamp":1790035200000},"content-version":"vor","delay-in-days":21,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:00:00Z","timestamp":1788220800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Water Environment Research"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Highly toxic dibasic acid (DBA) wastewater, a by\u2010product of oxalic acid production, suppresses microbial activity and causes incomplete organic degradation, necessitating efficient and economical technologies for compliant discharge and resource recovery. Mixed DBA wastewater from adipic acid production was treated by sulfur autotrophic denitrification, with a comprehensive analysis of wastewater toxicity, the effect of sulfur particle size on reactor performance, and reclaim elemental sulfur from the resulting sludge. The results showed that the major organics in the DBA wastewater were valeric acid, cyclopentanecarboxylic acid, cyclohexaneacetic acid, 2,4\u2010dinitrophenol, 1\u2032\u2010(butyn\u20103\u20101\u2010yl)\u2010(1S, 2S, 5R)\u2010menthol, and 3,4,5\u2010trimethoxyphenylacetonitrile. The concentrations of Cu\n                    <jats:sup>2+<\/jats:sup>\n                    and 2,4\u2010dinitrophenol in the DBA wastewater were metabolic toxins, and the IC\n                    <jats:sub>50<\/jats:sub>\n                    were 4.83 and 11.46\u2009mg\u00b7L\n                    <jats:sup>\u22121<\/jats:sup>\n                    , respectively, and the IC\n                    <jats:sub>50<\/jats:sub>\n                    of the DBA wastewater was 17.09% (v\/v), representing a test medium containing 17.09% undiluted DBA wastewater. Compared with sulfur powder and 1\u2010 to 6\u2010mm sulfur particles, 0.25\u2010 to 0.35\u2010mm sulfur particles are a more suitable source of sulfur for up\u2010flow reactors, such as fluidized beds and expanded beds. The maximum load of DBA wastewater operated in a sequencing batch reactor was only about 0.22 gNO\n                    <jats:sub>3<\/jats:sub>\n                    <jats:sup>\u2212<\/jats:sup>\n                    \u2010N\u00b7L\n                    <jats:sup>\u22121<\/jats:sup>\n                    \u00b7d\n                    <jats:sup>\u22121<\/jats:sup>\n                    , with a nitrogen removal efficiency of 92.7%, and increasing the load required further sludge domestication or proper pretreatment of the DBA wastewater. The minimum sulfur content of sulfur autotrophic denitrifying sludge was 16.20%. Sulfur autotrophic denitrification sludge was mixed with sulfide solution for sulfur release, and elemental sulfur was precipitated and reclaimed after acid addition. Peak values of 93.58% for S\n                    <jats:sup>0<\/jats:sup>\n                    recovery rate and 95.20% for the purity of recovered S\n                    <jats:sup>0<\/jats:sup>\n                    were achieved. This process achieves waste reduction and resource recovery, aligning with the principles of a circular economy.\n                  <\/jats:p>","DOI":"10.1002\/wer.70579","type":"journal-article","created":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T14:48:06Z","timestamp":1790088486000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Sulfur Autotrophic Denitrification Treatment of Dibasic Acid Wastewater From Adipic Acid Production Coupled With Residual Sulfur Recovery"],"prefix":"10.1002","volume":"98","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5608-1052","authenticated-orcid":false,"given":"Ning","family":"Yang","sequence":"first","affiliation":[{"name":"Department of Environmental Science and Engineering Xi'an Jiaotong University  Xi'an China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luxiong","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Environmental Science and Engineering Xi'an Jiaotong University  Xi'an China"},{"name":"China Baowu Steel Group Corporation Limited  Shanghai China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-2802-9188","authenticated-orcid":false,"given":"Fan","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Environmental Science and Engineering Xi'an Jiaotong University  Xi'an China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-6809-5162","authenticated-orcid":false,"given":"Yan","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Environmental Science and Engineering Xi'an Jiaotong University  Xi'an China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu","family":"Feng","sequence":"additional","affiliation":[{"name":"Department of Environmental Science and Engineering Xi'an Jiaotong University  Xi'an China"},{"name":"China 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