Articles tagged with "clean-water"
The Complex Process Of An Urban Water Supply System - CleanTechnica
The article from CleanTechnica provides an insightful overview of the complex urban water supply system in southeastern Florida, highlighting the multi-step treatment processes that ensure clean and safe drinking water for the local population. The water supply originates from two aquifers: a shallow one about 100 feet deep treated through an 8 million gallon-per-day lime process involving pH adjustment, coagulation, filtration, and chloramine disinfection; and a deeper aquifer approximately 1,350 feet deep treated by two reverse osmosis facilities processing 11.15 and 22.5 million gallons per day respectively. The reverse osmosis process includes chemical pretreatment, filtration, high-pressure membrane separation, degasification, pH adjustment, and final disinfection with fluoride added before distribution. The article also details the types of contaminants targeted by the treatment system, including microbiological agents (viruses, bacteria), inorganic substances (salts, metals), pesticides, organic chemicals, and radioactive materials, all of which can originate from
energywater-treatmentreverse-osmosiswater-purificationenvironmental-technologyclean-waterwater-supply-systemsWhat's Contaminating Our Once-Pristine Water Sources? - CleanTechnica
The article from CleanTechnica highlights the critical issue of water contamination in the United States, emphasizing the vital role clean water plays in public health, ecosystems, and the economy. It notes that about one-third of the US population relies on streams vulnerable to pollution for drinking water. Despite the importance of reducing water pollution, the article criticizes recent political actions, particularly under the Trump administration, for undermining scientific research and regulatory efforts aimed at protecting water quality. The administration is portrayed as dismissive of peer-reviewed science, often prioritizing private industry interests over environmental and public health concerns. A detailed case study from Iowa illustrates the problem: a comprehensive $1 million research project by the Central Iowa Source Water Research Assessment (CISWRA) found that many of the state’s rivers, which serve as drinking water sources for approximately 600,000 people, are heavily contaminated with harmful substances such as nitrates, phosphorus, nitrogen, bacteria, pesticides, and other chemicals. The study linked these contaminants primarily to
energywater-pollutionenvironmental-sciencewater-qualitypublic-healthsustainabilityclean-waterA New Job For Wave Energy: Water Desalination
wave-energydesalinationrenewable-energyoffshore-technologyenergy-efficiencyclean-waterfossil-fuels