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.
Purified water â Purified water is water that comes from any source, but has been purified to remove any chemicals or contaminants. Types of purification include distillation, deionization, reverse osmosis, and carbon filtration. Like distilled water, it has its advantages and disadvantages, the advantages being that potentially harmful chemicals may be taken out and the disadvantage being that beneficial minerals may be taken out as well. Spring water â This is what you often find in bottled water.