Dear Seyede,

The best adsorbent to remove compounds having bad smell is activated carbon (charcoal). This is an adsorbent which proved its efficiency in removing such compounds in the forms of powder and granules.

Hoping this will be helpful.

Dear Seyede,

The best adsorbent to remove such compounds is activated carbon (charcoal) as powder and granules.

Hoping this will be helpful

Charcoal is the best material for this.

thank you so much. have any nanoparticles used or investigated for this purpose?

Dear Seyede,

You can make micelles complexes of charcoal and a surfactant which can behave as nanoparticles.

But to my knowledge there is no need to modify the charcoal, you can use it as powder with very high efficiency.

Hoping this satisfy you

Thank Mr.Karaman so much.

Dear Seyede,

interesting issue. I guess these information may help you.

Have a nice day.

Valerio

http://pubs.acs.org/doi/abs/10.1021/la100793u

http://www.news-medical.net/news/20110127/Scientists-develop-copper-coated-silica-nanoparticles-for-odor-removal.aspx

http://www.google.com/patents/WO2007040623A1?cl=en

Dear Seyede,

it is true that bad smell comes from reduction of S by Sulphur reducing bacteria & formation of NH3 by bacterial activities present in the organic biodegradable waste/ wastewater, So it is recommended to subdue the production Sulphur reducing bacteria/ microbes by increasing the microbes those thrives on such bacteria. this is more self sustainable than to use Activated carbon,H2O2 etc to control the smell.

One such consortium was isolated by Prof. Higa of  Japan. This isolated consortium is available under the brand name of EM solution.

There are few links for your study

http://www.em-la.com/dr__teruo_higa_en.php?idioma=2

Dear Seyede,

There are several novel works that study the effectiveness of using zero valent iron nanoparticles to remove odourous compounds, as for example sulfur compounds. Check this works, I think they can be helpful for your work. They prove the removal of H2S and CH3SSCH3 with this kind of nanoparticles:

https://www.researchgate.net/publication/257565276_Deodorization_of_a_gas_stream_containing_dimethyl_disulfide_with_zero-valent_iron_nanoparticles

http://search.proquest.com/docview/1112822145?OpenUrlRefId=info:xri/sid:wcdiscovery&accountid=17192

http://www.sciencedirect.com/science/article/pii/S0169772210001087

Article Deodorization of a gas stream containing dimethyl disulfide ...

thank you so much Blanca Calderon

sure N and S are mostly used 

Copper Coated Silica Nanoparticles can also be a good solution for odor removal:

Singh et al.: Langmuir, 2010, 26 (20), pp 15837–15844. DOI: 10.1021/la100793u

iron,H & S combinational particle are sure to complete solutions.....