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Ferrate(VI), a strong oxidizing, disinfecting, and coagulating agent, has the potential as a green solution for decontamination of water and wastewater. In this paper, electrochemically prepared potassium ferrate (K<jats:sub>2<\/jats:sub>FeO<jats:sub>4<\/jats:sub>) with high purity was successfully encapsulated and applied to the water contaminated by SARS\u2010CoV\u20102. Natural zeolite was chosen as an appropriate ecological material for ferrate encapsulation. The stability of encapsulated ferrate (in tablet form) was monitored for an extended time period (290\u2009days) and has significantly increased in contrast with free potassium ferrate by almost 30%. Subsequently, the K<jats:sub>2<\/jats:sub>FeO<jats:sub>4<\/jats:sub> encapsulated with zeolite in tablet form was applied to the water and municipal water samples containing the SARS\u2010CoV\u20102 virus. The removal efficiency reached up to 98.5% and 86.7%, respectively, under natural conditions. Combination of environmentally friendly oxidizing agent and natural excellent adsorbent leads to the creation of very effective water treatment matter. These findings are essentially immediate and especially important for immediate water treatment in urgent situations such as natural disasters or military conflict.<\/jats:p><\/jats:sec><jats:sec><jats:title>Practitioner Points<\/jats:title><jats:p>\n<jats:list list-type=\"bullet\">\n<jats:list-item><jats:p>Electrochemical preparation of oxidizing agent, K<jats:sub>2<\/jats:sub>FeO<jats:sub>4<\/jats:sub>, in high purity by own constructed electrolyzer.<\/jats:p><\/jats:list-item>\n<jats:list-item><jats:p>Encapsulation of ferrate(VI) to natural zeolite threefold improving the stability during 9\u2009months.<\/jats:p><\/jats:list-item>\n<jats:list-item><jats:p>SARS\u2010CoV\u20102 virus was successfully removed from various contaminated types of water.<\/jats:p><\/jats:list-item>\n<jats:list-item><jats:p>High degradation efficiency of virus fragments by Fe(VI) was achieved without additional water adjustment, in natural pH 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