Global Drinking and Wastewater Treatment Chemicals Market By Type (Ph Adjusters & Softeners, Flocculants & Coagulants, Corrosion Inhibitors, Scale Inhinitors/Dispersants, and Biocides & Disinfectants), By Application (Papermaking Waste Water Treatment, Industrial Water Treatment, Drinking Water Treatment, and Cooling Water Treatment), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029