English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

In this study we have investigated removal of Zn and Ag Ions from aqueous solutions. Industrial pollutions by heavy metals ions as Ag and Zn is a universal environmental problem, because of their toxicity. Thus, we have studied removal of these ions by NH2-MCM-41 nano porous adsorbent at room temperature. This adsorbent has a high surface area, high adsorption ability, high factor of porosity and wide porous. In the batch experiment we have taken 150 cm -3 of considered metallic ion aqueous solution. After pH adjustment, nano porous absorbent was added and it was agitated by a rotary shaker. Then, pH, amount of adsorbent, initial concentration of metallic ion, time of contact and temperature parameters have determined. Thus, recovery of Ag and Zn metallic ions at pH = 7, adsorbent dose of 2 g/dm 3 and room temperature obtained 96.93 and 99.24%, respectively. Thermodynamic results indicate that adsorption process is endothermic and spontaneous. Obtained adsorption isotherm was fitted by Langmuir's adsorption isotherm which is single-layer adsorption. Moreover, this removal process has a second order kinetic. Synthesized adsorbent was characterized by FT-IR, SEM and XRD.

research journal of applied sciences, engineering and technology

Synthesis of NH2-MCM-41 Nano Porous Adsorbent and Using it for Zn and Ag Metals Removal from Aqueous Solutions by Adsorption Method and Studying Effect of Some Physicochemical Parameters on it