Activated carbon: classifications, properties and - download pdf or read online

By James F. Kwiatkowski

ISBN-10: 1620816660

ISBN-13: 9781620816660

Provides topical study within the examine of activated carbon, along with themes similar to the outside chemistry of activated carbons and as catalyst helps; thermal processing of activated carbons from agro-industrial wastes; activated carbon as a steel oxide aid; and, extra.

Show description

Read or Download Activated carbon: classifications, properties and applications PDF

Best chemical engineering books

Download e-book for kindle: Green Chemical Reactions by Walter S. Brainerd

Eco-friendly Chemistry is a creative technological know-how in keeping with primary study in the direction of the advance of recent sustainable chemical approaches. there's a nice have to create a brand new kind of chemistry fascinated with a brand new construction approach, so that it will organize the more youthful new release to get a greener destiny. The globalization pushes the chemistry group to undertake moral matters.

Nicholas P. Cheremisinoff, Anton Davletshin's A Guide to Safe Material and Chemical Handling PDF

There were many volumes written that declare to be the main "comprehensive" compendium or guide on chemical info. those wieldy volumes are usually too giant and extraneous to be valuable to the working towards engineer. This new quantity goals to be the main invaluable "go to" quantity for the operating engineer, scientist, or chemist who wishes speedy solutions to day-by-day questions about fabrics or chemical compounds and does not are looking to move on lengthy searches via voluminous tomes or long web searches.

Download e-book for iPad: Chemical Reactor Analysis and Design Fundamentals by James Blake Rawlings

It is a chemical engineering textbook for undergraduate and graduate scholars in reactor layout and response engineering classes.

Additional info for Activated carbon: classifications, properties and applications

Example text

Some of the PAC applications in the removal of contaminants Removal agent/process Treated phase PAC+Microfiltration Aqueous PAC PAC PAC PAC Aqueous Aqueous Aqueous Aqueous Cetyl trimethyl ammonium bromide (CTAB), Linear alkyl benzene sulfonate (LABS) Geosmin** Turquoise Blue-G Metsulfuron-methyl (a herbicide) Malachite green PAC, s-PAC* Aqueous Geosmin** PAC+Ozonation Aqueous A surfactant: sodium dodecylbenzenesulphonate PAC+Submerged anaerobic membrane bioreactor Aqueous Dissolved organic carbon (DOC) 89% Pollutant(s) Removal capability Ref.

112] have worked on the removal of chromium ions by adsorption on GAC in aqueous solution. Chromium is a dangerous metal especially in Cr (VI) form. Trivalent chromium has much less toxicity. Di Natale et al. [112] have studied the chromium adsorption isotherms in aqueous solutions. They have shown that chromium adsorption capacity on GAC depends on salinity and pH of solution. Its maximum amount is around 7 mg g-1 at low salinity and neutral pH. The results show that at pH values lower than 3 the mechanism of chromium removal is first its reduction to Cr (III) by carbon surface groups and then the adsorption of Cr (III).

G◦ is calculated by Eq. 25. 25) ΔG◦<0 indicates the spontaneous nature of the adsorption while ΔG◦>0 shows that the adsorption is not spontaneous (desorption is spontaneous) and the conditions must be changed to make feasible the adsorption. ΔG◦=0 shows the adsorption in equilibrium. The negative and positive values of ΔH◦ imply exothermic and endothermic adsorption, respectively. ΔS◦ values show the change in randomness in the adsorption interface which increases with positive values of ΔS◦ and vice versa.

Download PDF sample

Activated carbon: classifications, properties and applications by James F. Kwiatkowski


by Michael
4.0

Rated 4.24 of 5 – based on 19 votes
 

Author: admin