I am not sure how it is possible to see the interaction of two solutes on each other and soil particles! So I like to do batch experiments firstly but what I have seen so far isotherms are fitted to two components (one sorbate and another sorbent). If I want to to see adsorption of solute on soil one by one and on each other three different batch should be performed which equals missing a unit and real system.
There are examples published for removing water from ethanol preferentially in a single step either batch or semi continuous. Some researchers have specialized in reducing the system to equations that you might use with other parameters appropriate to your system.
The experiment I think you are wanting to do is described as competitive sorption. At one extreme it is one of the sorbates, and at the other extreme is the other, and you do combinations between
You have even more than 4 compounds, soil is a heterogeneous matrix and you should not forget the solvent, likely water.
For a start you should look into adsorption in binary solvent mixtures, where there is also basic description. If you start your evaluations with a more defined solid like a clay mineral, you may possibly treat mineral/water as quasi one component to simplify the description.
yes it can be performed . It is a case of competitive adsorption. Firstly, perform the batch process individually , then a binary mixture with varied concentration of both the adsorbate in concentration pattern such that the concentration of adsorbate A increasing and the concentration of adsorbate decreasing 1.e., 10:00, 20:90, 30:70 etc. perfom the batch adsorption process and measure the concentration of adsorbate A and B; apply adsorption laws on the results and co-relate with the individual adsoption results.
yes, it is possible to carryout batch experiment. I suggest to make binary solutions of solute ; keep conc. of solute A 0% to 100% and the conc. of solute B as 100% -0% i.e., one increasing and other decreasing. Put known amount of soil in each of binary solutions and measure the conc of solute A and solute B after fix time interval. calculate the amount adsorbed of both solutes after each intervals and compare the binary results with individual solute results.
You want to see the interaction of two solutes on each other and soil particles. You can adopt doping or impregnation technique . They can be apply for the sorption process by batch method.
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