What is the purpose of a pH meter located on the sorbent feed?

The purpose of a pH meter positioned on the sorbent feed is to assess the acidity of the liqueur. In various chemical processes, the pH level is a crucial parameter that can influence reaction rates, solubility, and the overall effectiveness of sorbents in applications such as environmental remediation or chemical separation. By monitoring the acidity, operators can ensure that the liqueur is within the desired pH range for optimal performance, allowing for adjustments to be made if necessary to maintain effective sorbent operation. This capability to monitor and manage pH is essential for maintaining product quality and process efficiency. The other options do not align with the specific function of a pH meter, which is solely focused on determining acidity levels rather than energy output, temperature control, or moisture content.