Biodegradability enhancement of textile dyes and textile wastewater by VUV photolysis
作者： F Al-Momani , E Touraud , J.R Degorce-Dumas , J Roussy , O Thomas
DOI: 10.1016/S1010-6030(02)00298-8
关键词: Chemical oxygen demand 、 Sewage treatment 、 Chemistry 、 Aqueous solution 、 Textile 、 Photodegradation 、 Wastewater 、 Pulp and paper industry 、 Biodegradation 、 Environmental chemistry 、 Biochemical oxygen demand
摘要: Abstract Photo-degradation and biodegradability have been studied for three different families of non-biodegradable textile dyes (Intracron reactive dyes, Direct Nylanthrene acid dyes) a wastewater, using VUV photolysis. Ninety percent color removal dye solutions wastewater is achieved within 7 min irradiation. Biological oxygen demand (BOD) was found to increase during discoloration process while chemical (COD) decreased. The index (BOD5/COD) increases up 0.40 most the when total obtained. It implies that photolysis tends enhance containing solutions. Thus, this technique could be used as pre-treatment step conventional biological treatment.
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