Metabolic Pathways. 1  Although we can recognize a substrate and product. of individual enzymatic reactions metabolic. 2  Pathways can be linear, branched, cyclic or even. spiral. 3  Pathway activity is controlled in three ways.  Metabolites and enzymes may be localized in. different parts of the cell called metabolic.
Products often purchased by wastewater treatment plants include: 1  Alum or aluminum sulfate. 2  Sodium aluminate. 3  Polyaluminum Chloride.  Polymer 1  (dewatering) Sodium hydroxide.  Ferric 1  Chloride. Ferrous Chloride.
When chlorine is added to the water, it not only kills bacteria and viruses, but it also reacts with other chemicals dissolved in the water to form new compounds, known as disinfection byproducts. Some of these byproducts, such as trihalomethanes, are thought to cause cancer and pose other long-term health risks.