{"corpus_id":92637035,"paper_sha":"2dddae41782ddf246ae83cb0f98c732fcb84912e","doi":"10.1590/S1413-41522010000100012","arxiv_id":null,"pmid":null,"pmcid":null,"mag_id":1967734032,"dblp_id":null,"acl_id":null,"title":"Viabilidade do tratamento de gua residuria sinttica txtil em reator aerbio de leito fixo","year":2010,"publication_date":null,"venue":"","journal":{"name":"Engenharia Sanitaria E Ambiental","pages":null,"volume":""},"journal_issn":null,"journal_title":null,"publication_types":[],"pubmed_pub_types":null,"s2_fields_of_study":["Chemistry","Environmental Science"],"reference_count":18,"citation_count":6,"influential_citation_count":0,"is_open_access":true,"arxiv_categories":null,"arxiv_license":null,"arxiv_journal_ref":null,"mesh_headings":null,"chemicals":null,"comments_corrections":null,"source_flags":1,"s2_open_access_pdf_url":"https://www.scielo.br/j/esa/a/Wg8zgd7PzdPjtGBFCwXCz4x/?lang=pt&format=pdf","s2_open_access_landing_url":"https://www.semanticscholar.org/paper/2dddae41782ddf246ae83cb0f98c732fcb84912e","s2_open_access_license":"CCBY","s2_open_access_status":"GOLD","pmc_open_access_pdf_url":null,"pmc_open_access_landing_url":null,"pmc_open_access_license":null,"pmc_open_access_status":null,"unpaywall_open_access_pdf_url":null,"unpaywall_open_access_landing_url":null,"unpaywall_open_access_license":null,"unpaywall_open_access_status":null,"abstract":"A continuous flow reactor, inoculated with Aspergillus niger AN400, with total volume of 5 L was operated at 29oC, with eight hours of retention hydraulic time and 150 L.h-1 of air flow rate in order to remove 25 mg.L-1 of Congo Red dye from a synthetic wastewater. The feeding of the reactor, inoculated with Aspergillus niger AN400, was done in two phases: Phase I, with 0,5 g/L of saccharose and Phase II, with no saccharose. In Phase I, it was possible to verify efficiencies of organic matter and color (mg Pt.L-1) removal of 80 ± 16% and 82 ± 10%, respectively. In Phase II, the efficiency of organic matter removal was 75 ± 13% and color removal was 89 ± 7%. The higher removals of nutrients were achieved by the reactor in Phase I with 25% to ammonia, 90% to nitrite, 93% to nitrate and 21% to phosphorus. Apparently, the presence of saccharose improved the removal of the nutrients.","claims":[{"public_id":"cl_64a32c0f03e168f89e7445438a0a5503","status":"active","text":"In Phase I, the reactor achieved 80 ± 16% organic matter removal and 82 ± 10% color removal.","confidence":0.98,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_64a32c0f03e168f89e7445438a0a5503"},{"public_id":"cl_e1a248d5a96c8d577a51af92c3864961","status":"active","text":"In Phase II, the reactor achieved 75 ± 13% organic matter removal and 89 ± 7% color removal.","confidence":0.98,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous 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