Mineralization of unsymmetrical dimethylhydrazine (UDMH) via persulfate activated by zero valent iron nano particles: modeling, optimization and cost estimation
This work examined the mineralization of unsymmetrical dimethylhydrazine (UDMH) as an alarming organic contaminant, via persulfate (PS) oxidation process. Nano zero-valent iron (NZVI) particles, as a source of ferrous ions, were synthesized and used to activate PS ions in the media. The effective op...
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| Veröffentlicht in: | Desalination and water treatment 2016-07, Vol.57 (34), p.16119-16128 |
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| creator | Zarei, Ali Reza Rezaeivahidian, Hadi Soleymani, Ali Reza |
| description | This work examined the mineralization of unsymmetrical dimethylhydrazine (UDMH) as an alarming organic contaminant, via persulfate (PS) oxidation process. Nano zero-valent iron (NZVI) particles, as a source of ferrous ions, were synthesized and used to activate PS ions in the media. The effective operational parameters such as NZVI dosage, pH, and initial amount of PS were optimized by response surface methodology as a statistical experimental design. The mineralization efficiency and the demand-operating cost (DOC) of the process were well modeled by two second-order polynomial equations. Based on the desirability, function optimization of the responses was performed. In the optimum condition of pH 3.45, [PS]0 = 836.16 mg L−1, and [NZVI]0 = 158.45 mg L−1, the model predicted 91% of the UDMH mineralization and 10 US$/m3 for the DOC that the electrical energy constitutes 69% of the total cost. Compared with the related literatures about treatment of the UDMH, the applied NZVI/PS process reached a high efficiency using lower chemicals. |
| doi_str_mv | 10.1080/19443994.2015.1077747 |
| format | Article |
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Nano zero-valent iron (NZVI) particles, as a source of ferrous ions, were synthesized and used to activate PS ions in the media. The effective operational parameters such as NZVI dosage, pH, and initial amount of PS were optimized by response surface methodology as a statistical experimental design. The mineralization efficiency and the demand-operating cost (DOC) of the process were well modeled by two second-order polynomial equations. Based on the desirability, function optimization of the responses was performed. In the optimum condition of pH 3.45, [PS]0 = 836.16 mg L−1, and [NZVI]0 = 158.45 mg L−1, the model predicted 91% of the UDMH mineralization and 10 US$/m3 for the DOC that the electrical energy constitutes 69% of the total cost. Compared with the related literatures about treatment of the UDMH, the applied NZVI/PS process reached a high efficiency using lower chemicals.</description><identifier>ISSN: 1944-3986</identifier><identifier>ISSN: 1944-3994</identifier><identifier>EISSN: 1944-3986</identifier><identifier>DOI: 10.1080/19443994.2015.1077747</identifier><language>eng</language><publisher>Abingdon: Elsevier Inc</publisher><subject>Contaminants ; Cost estimation ; Dimethyl hydrazine ; Dimethylhydrazines ; Experimental design ; Ions ; Iron ; Mathematical models ; Mineralization ; Nanostructure ; Operating costs ; Optimization ; Organic contaminants ; Oxidation process ; Persulfate oxidation ; Stabilized nano zero-valent iron ; UDMH mineralization</subject><ispartof>Desalination and water treatment, 2016-07, Vol.57 (34), p.16119-16128</ispartof><rights>2015 Elsevier Inc.</rights><rights>2015 Balaban Desalination Publications. 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Nano zero-valent iron (NZVI) particles, as a source of ferrous ions, were synthesized and used to activate PS ions in the media. The effective operational parameters such as NZVI dosage, pH, and initial amount of PS were optimized by response surface methodology as a statistical experimental design. The mineralization efficiency and the demand-operating cost (DOC) of the process were well modeled by two second-order polynomial equations. Based on the desirability, function optimization of the responses was performed. In the optimum condition of pH 3.45, [PS]0 = 836.16 mg L−1, and [NZVI]0 = 158.45 mg L−1, the model predicted 91% of the UDMH mineralization and 10 US$/m3 for the DOC that the electrical energy constitutes 69% of the total cost. Compared with the related literatures about treatment of the UDMH, the applied NZVI/PS process reached a high efficiency using lower chemicals.</description><subject>Contaminants</subject><subject>Cost estimation</subject><subject>Dimethyl hydrazine</subject><subject>Dimethylhydrazines</subject><subject>Experimental design</subject><subject>Ions</subject><subject>Iron</subject><subject>Mathematical models</subject><subject>Mineralization</subject><subject>Nanostructure</subject><subject>Operating costs</subject><subject>Optimization</subject><subject>Organic contaminants</subject><subject>Oxidation process</subject><subject>Persulfate oxidation</subject><subject>Stabilized nano zero-valent iron</subject><subject>UDMH mineralization</subject><issn>1944-3986</issn><issn>1944-3994</issn><issn>1944-3986</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqFkd9qFTEQxhdRsNQ-ghDwpoKnJtnEbLwRqX8qtHhTr0OazNqUbLIm2QN7nsZHdY6nBfGmucnw5Tczmfm67iWjZ4wO9C3TQvRaizNOmURJKSXUk-5or296Pbx7-k_8vDup9Y7ikUJJwY-631chQbEx7GwLOZE8kiXVdZqgleBsJD5geLvG29UXu0OYnP74dHXxmmyDJTOUusTRNiDWtbDFwJObleygZLK1EVIjoWDZZFMmsy0tuAj1PZmyhxjSzzckzy1MD91t8sTl2ghUVP9qL7pno40VTu7v4-76y-fr84vN5fev384_Xm6ckLRtHAjKvNTQq95rrVnvBdeyR4G70StBgXp7I7TCd26V4Io5PXBhLVNe9sfd6aHsXPKvBdubKVQHMdoEeamGDUzqQTJc9qOo0lQrybhG9NV_6F1eSsI5kBo4F_gNhZQ8UK7kWguMZi44fVkNo2Zvsnkw2exNNvcmY96HQx7gXrYBiqkuQHLgQwHXjM_hkQp_ACb5r7U</recordid><startdate>20160701</startdate><enddate>20160701</enddate><creator>Zarei, Ali Reza</creator><creator>Rezaeivahidian, Hadi</creator><creator>Soleymani, Ali Reza</creator><general>Elsevier Inc</general><general>Elsevier Limited</general><scope>6I.</scope><scope>AAFTH</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7QL</scope><scope>7QO</scope><scope>7ST</scope><scope>7T7</scope><scope>7TN</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H96</scope><scope>H97</scope><scope>KR7</scope><scope>L.G</scope><scope>M7N</scope><scope>P64</scope><scope>SOI</scope></search><sort><creationdate>20160701</creationdate><title>Mineralization of unsymmetrical dimethylhydrazine (UDMH) via persulfate activated by zero valent iron nano particles: modeling, optimization and cost estimation</title><author>Zarei, Ali Reza ; 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Nano zero-valent iron (NZVI) particles, as a source of ferrous ions, were synthesized and used to activate PS ions in the media. The effective operational parameters such as NZVI dosage, pH, and initial amount of PS were optimized by response surface methodology as a statistical experimental design. The mineralization efficiency and the demand-operating cost (DOC) of the process were well modeled by two second-order polynomial equations. Based on the desirability, function optimization of the responses was performed. In the optimum condition of pH 3.45, [PS]0 = 836.16 mg L−1, and [NZVI]0 = 158.45 mg L−1, the model predicted 91% of the UDMH mineralization and 10 US$/m3 for the DOC that the electrical energy constitutes 69% of the total cost. Compared with the related literatures about treatment of the UDMH, the applied NZVI/PS process reached a high efficiency using lower chemicals.</abstract><cop>Abingdon</cop><pub>Elsevier Inc</pub><doi>10.1080/19443994.2015.1077747</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| source | Alma/SFX Local Collection |
| subjects | Contaminants Cost estimation Dimethyl hydrazine Dimethylhydrazines Experimental design Ions Iron Mathematical models Mineralization Nanostructure Operating costs Optimization Organic contaminants Oxidation process Persulfate oxidation Stabilized nano zero-valent iron UDMH mineralization |
| title | Mineralization of unsymmetrical dimethylhydrazine (UDMH) via persulfate activated by zero valent iron nano particles: modeling, optimization and cost estimation |
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