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.
Swimming pool chemicals may also be used in hot tubs, spas, wading pools, and whirlpools. Various kinds of disinfectants and sanitizers are used but the chlorine type is the most common. The chlorine usually comes from chlorinating agents that release chlorine when they are dissolved in the water.