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Bioresources and Bioprocessing

Table 1 Comparison of absorbance of synthetic effluent samples before and after treatment with adsorbents

From: Nanosilver-decorated nanographene and their adsorption performance in waste water treatment

Absorbents used in the study

Absorbance at 540 nm obtained before and after treatment with effluents

Textile and dyeing

Tannery

Paper mill

Before

After

Before

After

Before

After

Graphene (G)

0.81

0.13

0.91

0.32

0.78

0.66

Graphene + AgNPs (GA)

 

0.06

 

0.28

 

0.54

Graphene + AgNPs + M. oleifera (GAM)

 

0.02

 

0.27

 

0.51

Activated charcoal (AC)

 

0.05

 

0.40

 

0.52

Graphene + M. oleifera (GM)

 

0.15

 

0.26

 

0.60

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