background and purpose: recently, release of pollutants such as pharmaceuticals to the environment becomes one of the most important problems for soil and water. the present study was conducted to introduce walnut shell-based activated carbon (ac) as a new low-cost adsorbent for the removal of cephalexin (cfx) antibiotic from aqueous solutions. materials and methods: this study was conducted in...

This study investigated the effect of temperature, different concentrations of sodium carbonate,and the dose of organic solvent on the desorption of Reactive Red 198 dye from dye-saturated activated carbon using batch and continuous systems. The results of the batch desorption test showed 60% acetone in water as the optimum amount. However, when the concentration of sodium carbonate was raised,...

Walnut is a medicinal plant that its different parts such as leaf, seed, root and green husk was shown to reduce blood glucose. In Iranian traditional medicine, septum of walnut shell (SWS) was recommended to reduce blood glucose. But this effect should be determined with scientific researches. Therefore, the aim of this study is to evaluate the effect of the aqueous extract of SWS on blood glu...

walnut is a medicinal plant that its different parts such as leaf, seed, root and green husk was shown to reduce blood glucose. in iranian traditional medicine, septum of walnut shell (sws) was recommended to reduce blood glucose. but this effect should be determined with scientific researches. therefore, the aim of this study is to evaluate the effect of the aqueous extract of sws on blood glu...

Introduction: There are different methods for removal of cadmium from aqueous solutions. Adsorption based methods are among the bests. One of the most important aspects for adsorption techniques is the availability of an accessible and economical adsorbent. This study aims to investigate cadmium removal from aqueous solutions by walnuts shell waste. Materials and Methods: Walnut Shell (WS) was...

In order to investigate the shucking technology and design the efficient Sheller, it’s highly significant to study on the mechanical characteristics of walnut. The Pro/E software and finite element method was adopted to build the geometry and finite element model of walnut. Afterwards, the walnut stress distribution with different loads was analyzed to seek the optimum force-applying forms whic...

Acidithiobacillus ferrooxidans is a Gram-negative bacterium that obtains energy by oxidizing Fe(2+) or reduced sulfur compounds. This bacterium contributes to the formation of acid mine drainage (AMD). This study determined whether walnut shell powder inhibits the growth of A. ferrooxidans. First, the effects of walnut shell powder on Fe(2+) oxidization and H⁺ production were evaluated. Second,...

The walnut green hull is an agro-waste, a source of natural dye and volatile compounds with various biological activities, but the main challenge conventional extraction method quality quantity compound (dye) from waste. objective this research work to use microwave-assisted (MAE) as emerging technology. Further, MAE process was optimized using Box–Behnken Design (BBD) response surface methodol...