Journal of Japan Society for Safety Engineering
Online ISSN : 2424-0656
Print ISSN : 0570-4480
ISSN-L : 0570-4480
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Volume 37, Issue 1
JOURNAL OF JAPAN SOCIETY FOR SAFETY ENGINEERING_1998_1
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PROPOSAL FOR SAFETY
REVIEW
  • Characteristic　Evaluation　and　Optimal　Treatment　System　of　the　Wastewater Containing　Moldずeleasing　Agent
    [in Japanese], [in Japanese]
    1998 Volume 37 Issue 1 Pages 33-38
    Published: February 15, 1998
    Released on J-STAGE: April 30, 2017
    DOIhttps://doi.org/10.18943/safety.37.1_33
    JOURNAL FREE ACCESS
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    Treatability　of　the　wastewater　containing　mold releasing　agents　discharged　from　ion　alld　metal　processing　was evaluated　to　select　the　appropriate　process　for　the　wastewater　treatment．It　was clarified　that　the　organic　substances contained　in　the　mold－releasing　agent　were　not　removed　effectively　by　the　conventionaI　treatment　process　which　consists of　coagulation　and　biological　treatment，since　the　biodegradability　and　removability　by　coagulation　of　the　substances　in　the wastewater　are　very　low、It　was　shown　from　the　experimelltal　results　that　the　biodegradability　and　removability　by coagulation　ofthe　refractory　substances　in　the　mold releasing　agent　can　be　remarkably improved　by　Fenton’s　oxidation　alld ad▽anced　ozonation　with　the　addition　of　hydrogen　peroxide．A　novel　and　advanced　treatment　process　involving　the　chemicaI oxidation，such　as　Fenton`s　oxidatioll　or　ozonation“rith　the　addition　of　hydrogen　peroxide，fo110wed　by　coagulation　and biological　treatment　was　prQpQsed　for　the　treatment　Qf　refractory　wastewater　discharged　from　ion　and　metal　pYocessing factory．

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