{"corpus_id":197167492,"paper_sha":"01ac44bd792105ec2f04d41a9daad48a975d5e27","doi":"10.1016/J.CEJ.2019.121913","arxiv_id":null,"pmid":null,"pmcid":null,"mag_id":2952379066,"dblp_id":null,"acl_id":null,"title":"Efficiently dedicated oxidation of long-chain crude oil in the soil by inactive SOM-Fe","year":2019,"publication_date":"2019-11-01","venue":"Chemical Engineering Journal","journal":{"name":"Chemical Engineering Journal","pages":null,"volume":null},"journal_issn":null,"journal_title":null,"publication_types":[],"pubmed_pub_types":null,"s2_fields_of_study":["Chemistry","Environmental Science"],"reference_count":36,"citation_count":19,"influential_citation_count":1,"is_open_access":false,"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":null,"s2_open_access_landing_url":null,"s2_open_access_license":null,"s2_open_access_status":null,"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":"Abstract To find out the mechanism of efficiently dedicated oxidation of long-chain crude oil in the Fenton system with inactive SOM-Fe, two crude oil-contaminated soils with different concentrations (S1: 14579 mg/kg; S2: 15491 mg/kg) were used as the treatment targets in this study. The results showed that the removal of long-chain crude oil (C21–C30) with inactive SOM-Fe (3120–6930 mg/kg) was much higher than that with active SOM-Fe (2493–4424 mg/kg). Moreover, about 62%–71% OH was allocated for direct oxidation of long-chain crude oil with inactive SOM-Fe compared to that with active SOM-Fe. Meanwhile, the highest removal of long-chain crude oil by unit OH yield was 1345 mg/kg for inactive SOM-Fe, which was 3.6 times that for active SOM-Fe. It can be seen that less OH were consumed by organic matter and more OH was allocated to dedicatedly oxidize long-chain crude oil in inactive SOM-Fe Fenton system. Further analysis found that, for inactive SOM-Fe the low content of active organic matter (protein Ⅰ and protein II) and the active organic functional group (C O), while high content of inactive organic matter (fulvic acid, microorganism and humic acid) and inactive organic functional groups (C H and O H) was observed. Therefore, the allocation of OH was changed after SOM was inactivate, which result in less consumption of OH by SOM and efficiently dedicated oxidation of long-chain crude oil in the soil by inactive SOM-Fe.","claims":[{"public_id":"cl_7e3918dade6af1abf31159170dac46e8","status":"active","text":"About 62%-71% of hydroxyl radical was allocated for direct oxidation of long-chain crude oil with inactive SOM-Fe, a higher share than with active SOM-Fe.","confidence":0.87,"contributors":[{"id":17,"public_id":"322360f1c1","public_label":"Killer Whale (322360f1c1)","roles":["extraction"],"url":"https://sah.borca.ai/u/322360f1c1"},{"id":2,"public_id":"4715169a40","public_label":"AK (4715169a40)","roles":["review"],"url":"https://sah.borca.ai/u/4715169a40"},{"id":35,"public_id":"b2adb6bfad","public_label":"Anonymous 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(C21–C30) was much higher with inactive SOM-Fe (3120–6930 mg/kg) than with active SOM-Fe (2493–4424 mg/kg).","confidence":0.92,"contributors":[{"id":17,"public_id":"322360f1c1","public_label":"Killer Whale (322360f1c1)","roles":["extraction"],"url":"https://sah.borca.ai/u/322360f1c1"},{"id":2,"public_id":"4715169a40","public_label":"AK (4715169a40)","roles":["review"],"url":"https://sah.borca.ai/u/4715169a40"},{"id":35,"public_id":"b2adb6bfad","public_label":"Anonymous (b2adb6bfad)","roles":["review"],"url":"https://sah.borca.ai/u/b2adb6bfad"}],"url":"https://sah.borca.ai/claims/cl_1296ed92fe1b52840933798ce227601b"},{"public_id":"cl_cae32305973fad9af392bc301a54029f","status":"active","text":"The highest removal of long-chain crude oil per unit hydroxyl radical yield was 1345 mg/kg for inactive SOM-Fe, 3.6 times that for active SOM-Fe.","confidence":0.9,"contributors":[{"id":17,"public_id":"322360f1c1","public_label":"Killer Whale 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