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Publications (25)
The discharge of industrial effluents containing toxic heavy metals in water sources has serious consequences for human health and the environment, and biosorption appears to be an environmentally-friendly and cost-effective alternative that can be used for wastewater treatment. The use of different types of agricultural waste as biosorbents for th...
The discharge of industrial effluents containing toxic heavy metals in water sources has serious consequences for human health and the environment, and biosorption appears to be an environmental-friendly and cost-effective alternative that can be used for wastewater treatment. The use of different types of agricultural waste as biosorbents for the...
The discharge of industrial effluents containing toxic heavy metals in water sources has serious consequences for human health and the environment, and biosorption appears to be an environmental-friendly and cost-effective alternative that can be used for wastewater treatment. The use of different types of agricultural waste as biosorbents for the...
In this study, activated carbon obtained from marine green algae biomass (AC-AB) was used as adsorbent for the removal of Pb(II) ions from aqueous media. The effect of initial solution pH, adsorbent dose, contact time and initial Pb(II) ions concentration were studied in batch system, at room temperature (22 1C), to determined the optimum experi...
The influence of initial metal ion concentration and temperature on the adsorption of Zn(II) from aqueous solution onto amino ethyl cellulose (AE) functionalized with Orange 16 reactive dye, was examined. Batch experiments were performed at pH of 4.0 and adsorbent dose of 8.0 g/L previously established as optimum, ranging the initial Zn(II) concent...
In this study was analyzed the ability of three types of waste biomass for removal of Zn(II) from aqueous solution. The three types of biosorbents that have been used in experiments are: sawdust, mustard waste and soybean waste. These materials, which are waste from various branches of industry, can be used to remove metal ions from aqueous solutio...
In this study, easy and rapid adsorption of Orange G dye from aqueous solution using PET (polyethyleneterephthalate) waste as low-cost adsorbent was examined. The optimal values of most important experimental parameters (initial solution pH, adsorbent dose and contact time) were established, in batch experiments, at room temperature (20°C ± 1°C). T...
In this study, was analyzed the biosorption potential of some waste biomasses in the removal process of Cu(II) ions from aqueous solution. Three types of biosorbents have been used in experiments, namely: marine algae waste, mustard waste and lignin. All these materials are resulted from different industrial activities, and their use for the metal...
The removal of Zn(II) ion from aqueous solution by adsorption onto sawdust was examined in batch experiments. The sawdust used as adsorbent in this study is a waste obtained in large quantities in our country from wood processing industry. The experiments were performed in order to examined the influence of most important parameters (initial soluti...
Increasing of heavy metals and dyes concentration in the surface and ground waters is mainly due to the effluent discharges from industrial activities. Generally, in most of industrial effluents the pollutants content exceed the maximum permissible limits, and therefore their discharges have negative impact on environment, with serious health and e...
The presence of dyes in industrial effluents resulted from various industries such as textile dying and pigmentation, tanner, food, drug, pulp and paper has an important negative impact on environment. Beside of their coloration, most of dyes could cause the pollution of aquatic flora and are responsible by the limited oxygenation of surface waters...
In this study, the removal of lead(II) ions from aqueous solution on two types of lignin-based materials (a cellolignin obtained from chestnut wood (L1) and lignin extracted from rape (L2)) was examined from a kinetic point of view. The influence of initial lead(II) concentration and contact time was studied in batch experiments. The experimental d...
The adsorptive characteristics of thermal activated sawdust were examined for the removal of Zn(II) ions from aqueous solution. Batch experiments were performed in order to study the influence of initial Zn(II) concentration and contact time under optimal experimental conditions (initial solution pH of 1.09 and 6.23, 8.0 g/l) and the results were c...
Adsorption of Pb(II) ions onto thermal activated lignin was studied in batch system in order to analyze the potential use of this material as low cost adsorbent for rapid and efficient removal of Pb(II) ions from accidentally polluted waters. The experiments were performed as a function of initial Pb(II) concentration and contact time under optimal...
In the current study, the structural and adsorptive properties of the micro crystalline cellulose beads, Cellets 200 and 350, as well as the possibility to use them as adsorbents for removal of reactive dye Brilliant Red HE-3B and cationic dye Methylene Blue from aqueous solutions have been investigated. Batch experiments were conducted to study th...
Among the different organic pollutants of aquatic ecosystems, dyes represent a large and important group of chemicals, which are descent from dyes production industries and many other industries, such as textile, leather, paper, etc. Literature data present a large number of methods for dyes removal from dye-bearing effluents, such as membrane sepa...
Agriculture must be developed as the main food sources for all humanity in condition of increasing the necessity of higher food products quantities for an increasing population and also maintaining of their nutritional quality and health/safe. In the same time, the loss of agricultural land occurs as a results of urbanization, industrialization, so...
The mixtures lime – coal, obtained in different conditions, was used as a low-cost adsorbent for the removal the reactive dye Brilliant Red HE-3B from aqueous solution. Operating studied variables were initial dye concentration, sorbent mass, pH, temperature, and type of mixture lime - ash. Determination of the sorption equilibrium concentrations w...
