Components of a bioflocculant prepared with bacillus subtilis for the treatment of tannery wastewater / Changqing Zhao in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 99, N° 4 (07-08/2015)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 99, N° 4 (07-08/2015) . - p. 172-175 Titre : Components of a bioflocculant prepared with bacillus subtilis for the treatment of tannery wastewater Type de document : texte imprimé Auteurs : Changqing Zhao, Auteur ; Zhao Xingxiu, Auteur ; Mu Shengdong, Auteur ; Gu Haibin, Auteur ; Zhang Jing, Auteur ; Wei Zou, Auteur ; Yang Qinhuan, Auteur Année de publication : 2015 Article en page(s) : p. 172-175 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Bacillus subtilis Eaux usées -- Analyse Eaux usées -- Décontamination Floculant Fourier, Spectroscopie infrarouge à transformée de Tannage Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : A bioflocculant prepared with Bacillus subtilis was used to treat tannery wastewater, followed by component analysis of the bioflocculant. The restes demonstrated that the bioflocculant prepared with Bacillus subtilis was able to treat total nitrogen, chemical oxygen demand (COD) and colour, successfully removing the compounds from tannery wastewater. Component analysis revealed that the bioflocculant contained saccharides, proteins, glycoproteins, osamines, and fats ; the bioflocculant did not contain nucleic acid. It is expected that these results will contribute to future research into the application and the mechanism by which bioflocculants remove contaminants from tannery wastewater. Note de contenu : - EXPERIMENTAL PROCEDURE : Materials - PREPARATION OF BIOFLOCULANT - TREATMENT OF TANNERY WASTEWATER BY FLOCCULANT : Component analysis of the bioflocculant - Observation of the bioflocculant by FT-IR - RESULTS AND DISCUSSION : Treatment of tannery wastewater by bioflocculant (analysis of saccharide, protein, glycoprotein, osamine, fat and nucleic acid in the bioflocculant, analysis by FT-IR) En ligne : https://drive.google.com/file/d/1AiXp7mBGBH-6gBpWhSj0M5ldj-PLsEak/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=24558 [article]

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Determination active ingredients in bioflocculants for treatment of tannery wastewater / Changqing Zhao in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 100, N° 3 (05-06/2016)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 100, N° 3 (05-06/2016) . - p. 122-126 Titre : Determination active ingredients in bioflocculants for treatment of tannery wastewater Type de document : texte imprimé Auteurs : Changqing Zhao, Auteur ; Zhao Xingxiu, Auteur ; Gao Hongxia, Auteur ; Gu Haibin, Auteur ; Zhang Jing, Auteur ; Wei Zou, Auteur ; Yang Qinhuan, Auteur Année de publication : 2016 Article en page(s) : p. 122-126 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Chimie analytique Eaux usées -- Recyclage Floculant Glucides Glycoprotéines Huiles et graisses Osamines Tannage -- Déchets Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : In the present study, three bioflocculants were extracted from Bacillus cereus, Bacillus subtilis and Bacillus fusiformis, and their active components, including saccharides, proteins, glycoproteins, osamines, and fats, were analyzed. The results showed that saccharides were associated with flocculation. However, proteins had a weak effect on flocculation, and fats, osamines and glycoproteins had no effect. The findings elucidated the role of each ingredient in the removal of contaminants from tannery wastewater, providing a basic for understanding the mechanism of action of bioflocculants in the treatment of tannery wastewater. Note de contenu : - PREPARATION OF BIOFLOCCULANTS : Analysis of the active component of bioflocculants - RESULTS AND DISCUSSION : Activity analysis of saccharides - Activity analysis of glycoproteins - Activity analysis of fats - Activity analysis of osamines En ligne : https://drive.google.com/file/d/1RwesX_GqAxnHEF8av1Wi3TZz7VsA4fPm/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=26444 [article]

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