{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,11]],"date-time":"2025-11-11T13:09:32Z","timestamp":1762866572630,"version":"3.37.3"},"reference-count":68,"publisher":"Wiley","license":[{"start":{"date-parts":[[2015,1,1]],"date-time":"2015-01-01T00:00:00Z","timestamp":1420070400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"funder":[{"DOI":"10.13039\/501100003141","name":"Consejo Nacional de Ciencia y Tecnolog\u00eda","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003141","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["International Journal of Photoenergy"],"published-print":{"date-parts":[[2015]]},"abstract":"<jats:p>The photocatalytic degradation of indigo carmine (IC) dye in the presence of titanium dioxide under different conditions was reported. Several factors which interfere with the photodegradation efficiency as catalyst concentration, pH, initial concentration of dye, presence of inorganic anions, temperature, and the addition of hydrogen peroxide were studied under artificial irradiation with a 125\u2009W mercury vapor lamp. Additionally, the catalyst supported on glass spheres was used for the photocatalytic degradation of the dye present in several types of waters in a CPC solar pilot plant. The photocatalytic products, carboxylic acids, and<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M1\"><mml:mrow><mml:msup><mml:mrow><mml:msub><mml:mrow><mml:mtext mathvariant=\"normal\">S<\/mml:mtext><mml:mtext mathvariant=\"normal\">O<\/mml:mtext><\/mml:mrow><mml:mrow><mml:mn mathvariant=\"normal\">4<\/mml:mn><\/mml:mrow><\/mml:msub><\/mml:mrow><mml:mrow><mml:mn mathvariant=\"normal\">2<\/mml:mn><mml:mo>-<\/mml:mo><\/mml:mrow><\/mml:msup><\/mml:mrow><\/mml:math>and<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M2\"><mml:mrow><mml:msup><mml:mrow><mml:msub><mml:mrow><mml:mtext mathvariant=\"normal\">N<\/mml:mtext><mml:mtext mathvariant=\"normal\">H<\/mml:mtext><\/mml:mrow><mml:mrow><mml:mn mathvariant=\"normal\">4<\/mml:mn><\/mml:mrow><\/mml:msub><\/mml:mrow><mml:mrow><mml:mo>+<\/mml:mo><\/mml:mrow><\/mml:msup><\/mml:mrow><\/mml:math>were followed during IC mineralization. Formate, acetate, and oxalate were detected in real MWWTP secondary effluent. The mineralization efficiency was of 42 and 21% using in suspension and supported TiO<jats:sub>2<\/jats:sub>, respectively. In order to evaluate biological effects,<jats:italic>Eisenia andrei<\/jats:italic>earthworms were used as a model organism. No significant difference (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M3\"><mml:mi>P<\/mml:mi><mml:mo>&gt;<\/mml:mo><mml:mn fontstyle=\"italic\">0.05<\/mml:mn><\/mml:math>) of weight was observed in the earthworm submitted to different concentrations of IC and its photoproducts. The photocatalytic degradation of IC on TiO<jats:sub>2<\/jats:sub>supported on glass spheres suffered strong influence of the water matrix; nevertheless the method has the enormous advantage that it eliminates the need for the final catalyst removal step, reducing therefore the cost of treatment.<\/jats:p>","DOI":"10.1155\/2015\/656153","type":"journal-article","created":{"date-parts":[[2015,2,5]],"date-time":"2015-02-05T16:01:55Z","timestamp":1423152115000},"page":"1-12","source":"Crossref","is-referenced-by-count":17,"title":["Solar CPC Pilot Plant Photocatalytic Degradation of Indigo Carmine Dye in Waters and Wastewaters Using Supported-TiO<sub><b>2<\/b><\/sub>: Influence of Photodegradation Parameters"],"prefix":"10.1155","volume":"2015","author":[{"given":"Enrico Mendes","family":"Saggioro","sequence":"first","affiliation":[{"name":"Centro de Estudos da Sa\u00fade do Trabalhador e Ecologia Humana (CESTEH), Escola Nacional de Sa\u00fade P\u00fablica, Funda\u00e7\u00e3o Oswaldo Cruz, Avenida Leopoldo Bulh\u00f5es 1480, 21041-210 Rio de Janeiro, RJ, Brazil"},{"name":"Programa de Engenharia Qu\u00edmica (COOPE), Universidade Federal do Rio de Janeiro, P.O. 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