Water used in industries creates a wastewater that has potential hazards for our environment, because of introducing various contaminates such as heavy metals in to soil and water resources. In this study, a modification method was adopted to enhance metal ion adsorption on soybean hulls using NaOH and citric acid. The batch experiments were carried out to optimize parameters like pH, adsorbent...

The mathematical model of the integrated process of mercury contaminated wastewater bioremediation in a fixed-bed industrial bioreactor is presented. An activated carbon packing in the bioreactor plays the role of an adsorbent for ionic mercury and at the same time of a carrier material for immobilization of mercury-reducing bacteria. The model includes three basic stages of the bioremediation ...

Abstract Wastewater issues became a complex challenge in the world. There are several methods wastewater treatment, such as chemical, physical, biological, and combination of each method. However, process has advantages disadvantages. The physicochemical common used adsorption coagulation. Adsorption coagulation excellent to remove pollutants. is greatly influenced by pH, adsorbent dose, temper...

This Special Issue includes 12 research papers on the development of various materials for adsorbing different contaminants in water, such as Sb, Cr(VI), Cu(II), Zn(II), fluorine, phenol, dyes (indigo carmine, Congo red, methylene blue, and crystal violet), drugs (dlevofloxacin, captopril, diclofenac, paracetamol). The commercial, natural, synthetic used adsorbents comprise commercial activated...

Phosphate is one of the major causes of the water eutrophication, because it is often the limiting nutrient for primary production in fresh water and marine. The world health organization (WHO) especially established the committee for this, in order to research its origin cause of formation and make the countermeasure. Phosphate removal from wastewater has been widely investigated. Consequently...

background and aims: the removing of (potential) toxic heavy metal ions from sewage, especially in industrial and mining waste effluents, has been widely studied in recent years. the aim of present study was to investigate the various methods for lead removal of lead ions from industrial wastewater. methods: this study was a review research. data were collected through different databases in va...

introduction with the rapid development of industries such as metal plating facilities, mining, fertilizer producing industries, tanneries and paper industries heavy metals enriched wastewaters are directly or indirectly discharged into the environment. zinc is a trace element that is essential for human health. it is important for the physiological functions of living tissues and regulates man...

This article describes a research attempt to integrate the dewatered alum sludge, a residual by-product of drinking water treatment process, into a constructed wetland (CW) system for the purpose of enhancing the wastewater treatment performance, thus developing a so called alum sludge-based constructed wetland system. A multi-dimensional research project including the batch tests of phosphorus...