For example, in a study on the removal of pentachlorophenol (PCP) using different strains of fungal biomass, as the pH changed from low pH to high pH (acidic to basic) the amount of removal decreased by the majority of the strains, however one strain was unaffected by the change. In another study on the removal of copper, zinc and nickel ions using a composite sorbent as the pH increased from low to high the sorbent favored the removal of copper ions over the zinc and nickel ions. Because of the variability in sorbent this might be a drawback to biosorption, however, more research will be necessary.  Common uses Even though the term biosorption may be relatively new, it has been put to use in many applications for a long time. One very widely known use of biosorption is seen in activated carbon filters. They can filter air and water by allowing contaminants to bind to their incredibly porous and high surface area structure. The structure of the activated carbon is generated as the result of charcoal being treated with oxygen. Another type of carbon, sequestered carbon, can be used as a filtration media. It is made by carbon sequestration, which uses the opposite technique as for creating activated carbon. It is made by heating biomass in the absence of oxygen. The two filters allow for biosorption of different types of contaminants due to their chemical compositions—one with infused oxygen and the other without  .
For example, in a study on the removal of pentachlorophenol (PCP) using different strains of fungal biomass, as the pH changed from low pH to high pH (acidic to basic) the amount of removal decreased by the majority of the strains, however one strain was unaffected by the change. In another study on the removal of copper, zinc and nickel ions using a composite sorbent as the pH increased from low to high the sorbent favored the removal of copper ions over the zinc and nickel ions. Because of the variability in sorbent this might be a drawback to biosorption, however, more research will be necessary. .Biosorption is influenced by various process parameter such as temprature,initial concentration of the metal ion, biosorbent dose, and speed of the agitation. Common u Even though the term biosorption may be relatively new, it has been put to use in many applications for a long time. One very widely known use of biosorption is seen in activated carbon filters. They can filter air and water by allowing contaminants to bind to their incredibly porous and high surface area structure. The structure of the activated carbon is generated as the result of charcoal being treated with oxygen. Another type of carbon, sequestered carbon, can be used as a filtration media. It is made by carbon sequestration, which uses the opposite technique as for creating activated carbon. It is made by heating biomass in the absence of oxygen. The two filters allow for biosorption of different types of contaminants due to their chemical compositions—one with infused oxygen and the other without .The biosorbents can then be re-used or discarded and replaced.Beside the indusrty sector the bio and biobsorption also useful in agriculture setor.Biosorption and bioaccumulation are ecofriendly alternatives. Abundant natural materials like microbial biomass, agro -wasre,and industrial byproduct have been suggested as potential biosorbents for heavy metal removal due to presence of metal binding functional groups .
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.Biosorption is influenced by various process parameter such as temprature,initial concentration of the metal ion, biosorbent dose, and speed of the agitation.
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.The biosorbents can then be re-used or discarded and replaced.Beside the indusrty sector the bio and biobsorption also useful in agriculture setor.Biosorption and bioaccumulation are ecofriendly alternatives. Abundant natural materials like microbial biomass, agro -wasre,and industrial byproduct have been suggested as potential biosorbents for heavy metal removal due to presence of metal binding functional groups