Salma Kouniba, Asmaa Benbiyi, Ali Zourif, Mohamed EL Guendouzi
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Study of Banana Peel Biocoagulant and Hydroxyapatite on the Removal of Copper, Zinc, and Turbidity
In this investigation, the purifying power of a biodegradable coagulant extracted from banana peel waste was studied and compared with that of a synthesized coagulant, hydroxyapatite. The biocoagulant of banana peel powder was prepared and characterized using different techniques, such as Fourier-transform infrared spectroscopy, scanning electron microscopy coupled with energy-dispersive X-ray microanalysis, X-ray diffraction, and X-ray fluorescence spectrometry. The coagulation-flocculation process was adopted to treat water loaded with copper, zinc, and suspended matter. The experimental design methodology was employed for the optimization of the experimental conditions. The Box Behnken design with three factors (dose, granulation, and initial pH) defined in 15 experiments was chosen. Within the pH range of 6 to 8, there was a noticeable increase in the rate of elimination, and this noteworthy trend was confirmed by the observable changes in the point of zero charge. The biocoagulant shows a very good coagulation capacity comparable to that of hydroxyapatite in Zn removal. The obtained values for the removal of Zn, Cu, and turbidity using banana peel powder and hydroxyapatite were 86 %, 96 %, and 97 %, and 68 %, 99 %, and 97 %, respectively. Banana peel powder has the potential to serve as a cost-effective and eco-friendly option for wastewater treatment in the context of waste valorization and environmental protection.
期刊介绍:
Water, Air, & Soil Pollution is an international, interdisciplinary journal on all aspects of pollution and solutions to pollution in the biosphere. This includes chemical, physical and biological processes affecting flora, fauna, water, air and soil in relation to environmental pollution. Because of its scope, the subject areas are diverse and include all aspects of pollution sources, transport, deposition, accumulation, acid precipitation, atmospheric pollution, metals, aquatic pollution including marine pollution and ground water, waste water, pesticides, soil pollution, sewage, sediment pollution, forestry pollution, effects of pollutants on humans, vegetation, fish, aquatic species, micro-organisms, and animals, environmental and molecular toxicology applied to pollution research, biosensors, global and climate change, ecological implications of pollution and pollution models. Water, Air, & Soil Pollution also publishes manuscripts on novel methods used in the study of environmental pollutants, environmental toxicology, environmental biology, novel environmental engineering related to pollution, biodiversity as influenced by pollution, novel environmental biotechnology as applied to pollution (e.g. bioremediation), environmental modelling and biorestoration of polluted environments.
Articles should not be submitted that are of local interest only and do not advance international knowledge in environmental pollution and solutions to pollution. Articles that simply replicate known knowledge or techniques while researching a local pollution problem will normally be rejected without review. Submitted articles must have up-to-date references, employ the correct experimental replication and statistical analysis, where needed and contain a significant contribution to new knowledge. The publishing and editorial team sincerely appreciate your cooperation.
Water, Air, & Soil Pollution publishes research papers; review articles; mini-reviews; and book reviews.