Degradation of ethylene glycol in photo Fenton systems
Ethylene glycol loss rate constants of 1.0±0.40 h −1 were achieved in photo Fenton systems containing concentrations of 1000 mg/l ethylene glycol. Ethylene glycol was converted to formic acid resulting in a loss of calculated chemical oxygen demand. Iron was not catalytic in the system which may be...
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| Veröffentlicht in: | Water research (Oxford) 2000-06, Vol.34 (8), p.2346-2354 |
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| creator | McGinnis, B.Dietrick Adams, V.Dean Middlebrooks, E.Joe |
| description | Ethylene glycol loss rate constants of 1.0±0.40 h
−1 were achieved in photo Fenton systems containing concentrations of 1000 mg/l ethylene glycol. Ethylene glycol was converted to formic acid resulting in a loss of calculated chemical oxygen demand. Iron was not catalytic in the system which may be due to the formation of ferric oxalate complexes. The system was inhibited by elevated concentrations of sulfate and a phosphate buffer solution. The optimal pH was 3.0, with significant decreases in the degradation rates below 2.8 and above 3.2. Increased TOC loss was noted in similar UV/H
2O
2 systems indicating a potential for increased mineralization in optimized photo Fenton systems with longer residence times. |
| doi_str_mv | 10.1016/S0043-1354(99)00387-5 |
| format | Article |
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−1 were achieved in photo Fenton systems containing concentrations of 1000 mg/l ethylene glycol. Ethylene glycol was converted to formic acid resulting in a loss of calculated chemical oxygen demand. Iron was not catalytic in the system which may be due to the formation of ferric oxalate complexes. The system was inhibited by elevated concentrations of sulfate and a phosphate buffer solution. The optimal pH was 3.0, with significant decreases in the degradation rates below 2.8 and above 3.2. Increased TOC loss was noted in similar UV/H
2O
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−1 were achieved in photo Fenton systems containing concentrations of 1000 mg/l ethylene glycol. Ethylene glycol was converted to formic acid resulting in a loss of calculated chemical oxygen demand. Iron was not catalytic in the system which may be due to the formation of ferric oxalate complexes. The system was inhibited by elevated concentrations of sulfate and a phosphate buffer solution. The optimal pH was 3.0, with significant decreases in the degradation rates below 2.8 and above 3.2. Increased TOC loss was noted in similar UV/H
2O
2 systems indicating a potential for increased mineralization in optimized photo Fenton systems with longer residence times.</description><subject>Applied sciences</subject><subject>deicing solutions</subject><subject>ethylene glycol</subject><subject>Exact sciences and technology</subject><subject>hydrogen peroxide</subject><subject>hydroxyl radical</subject><subject>Other wastewaters</subject><subject>photo Fenton</subject><subject>Pollution</subject><subject>ultraviolet photodegradation</subject><subject>Wastewaters</subject><subject>Water treatment and pollution</subject><issn>0043-1354</issn><issn>1879-2448</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LAzEURYMoWKs_QZiFiC5G8z2TlUi1KhRcqOuQyby0kemkJlNh_r3TVnTZ1XuLc--Fg9A5wTcEE3n7hjFnOWGCXyl1jTEri1wcoBEpC5VTzstDNPpDjtFJSp8YY0qZGiH5APNoatP50GbBZdAt-gZayOZNb0OT-TZbLUIXsim03YCkPnWwTKfoyJkmwdnvHaOP6eP75DmfvT69TO5nuWWq7HIrTAHOARWlldRxVxBZF7ayoCohOZCaV1VNCa2Us8qxomZG8pIPnyQlN2yMLne9qxi-1pA6vfTJQtOYFsI6aVIIxYVk-0EumMJUDKDYgTaGlCI4vYp-aWKvCdYbnXqrU29caaX0Vqfe5C5-B0yypnHRtNan_zCjhPBiwO52GAxWvj1EnayH1kLtI9hO18HvGfoB3jCI9w</recordid><startdate>20000601</startdate><enddate>20000601</enddate><creator>McGinnis, B.Dietrick</creator><creator>Adams, V.Dean</creator><creator>Middlebrooks, E.Joe</creator><general>Elsevier Ltd</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>C1K</scope><scope>SOI</scope><scope>7QH</scope><scope>7UA</scope></search><sort><creationdate>20000601</creationdate><title>Degradation of ethylene glycol in photo Fenton systems</title><author>McGinnis, B.Dietrick ; Adams, V.Dean ; Middlebrooks, E.Joe</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c398t-c5a7effe258c62f4f716d7cbce9b564e1d4bbd212b9fc9f37d3a6484f376184a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Applied sciences</topic><topic>deicing solutions</topic><topic>ethylene glycol</topic><topic>Exact sciences and technology</topic><topic>hydrogen peroxide</topic><topic>hydroxyl radical</topic><topic>Other wastewaters</topic><topic>photo Fenton</topic><topic>Pollution</topic><topic>ultraviolet photodegradation</topic><topic>Wastewaters</topic><topic>Water treatment and pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>McGinnis, B.Dietrick</creatorcontrib><creatorcontrib>Adams, V.Dean</creatorcontrib><creatorcontrib>Middlebrooks, E.Joe</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><collection>Aqualine</collection><collection>Water Resources Abstracts</collection><jtitle>Water research (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>McGinnis, B.Dietrick</au><au>Adams, V.Dean</au><au>Middlebrooks, E.Joe</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Degradation of ethylene glycol in photo Fenton systems</atitle><jtitle>Water research (Oxford)</jtitle><date>2000-06-01</date><risdate>2000</risdate><volume>34</volume><issue>8</issue><spage>2346</spage><epage>2354</epage><pages>2346-2354</pages><issn>0043-1354</issn><eissn>1879-2448</eissn><coden>WATRAG</coden><abstract>Ethylene glycol loss rate constants of 1.0±0.40 h
−1 were achieved in photo Fenton systems containing concentrations of 1000 mg/l ethylene glycol. Ethylene glycol was converted to formic acid resulting in a loss of calculated chemical oxygen demand. Iron was not catalytic in the system which may be due to the formation of ferric oxalate complexes. The system was inhibited by elevated concentrations of sulfate and a phosphate buffer solution. The optimal pH was 3.0, with significant decreases in the degradation rates below 2.8 and above 3.2. Increased TOC loss was noted in similar UV/H
2O
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| subjects | Applied sciences deicing solutions ethylene glycol Exact sciences and technology hydrogen peroxide hydroxyl radical Other wastewaters photo Fenton Pollution ultraviolet photodegradation Wastewaters Water treatment and pollution |
| title | Degradation of ethylene glycol in photo Fenton systems |
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