Final answer:
To recover the organic product after removing the drying agent, methods such as centrifugation, evaporation, and extraction can be utilized. In different situations, specific techniques are employed, such as enzymatic treatment for lignin removal and hydrolysis for starch conversion.
Step-by-step explanation:
After the drying agent has been removed, the recovery of the organic product can be done through various methods depending on the specific situation. One common method is to perform centrifugation to separate the solid product from the liquid.
The supernatant (liquid) can then be evaporated to dryness, leaving behind the organic product as a residue. Another method involves repeatedly extracting the product using a suitable solvent, such as an acetonitrile and formic acid mixture, and then drying down the combined extracts in a vacuum concentrator.
For example, in the context of removing lignin from Kraft pulp, a combination of enzymatic and chemical treatments can be used to dissolve the lignin and separate it from the pulp. The dissolved lignin can then be recovered through processes such as filtration, washing, and drying.
Additionally, in the case of converting starch into glucose and syrups, the starch can be hydrolyzed using enzymes or acids. The resulting mixture can then be treated with various techniques, including filtration, evaporation, and crystallization, to isolate and recover the desired glucose and syrup products.