BS ISO 23044:2020 pdf free.Guidelines for softening and desalination of industrial wastewater for reuse. BS ISO 23044 Water quality indicators should include TSS, TOC, COD, pH，temperature, TDS, the species and concentrations of ions.The product water from wastewater softening and desalination processes is recommended to be reused for urban non-potable water, environmental water, and as pure or ultrapure water for cooling...