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Nihon Genryo Co., Ltd. joins annual summer science program in elementary school to teach drinking water and waterworks to students through sand filtration experiment.

  1. Contents
  2. ・Sand Filteration method
  3. ・Purification water plant
  4. ・Waterworks in the world
  5. ・Water treatment experiment demonstrated water purification plant
  1. Experiment
  2. ・Sieve filter sand and gravel
  3. ・Make filtration column
  4. ・Turbidity control
  5. ・Infuse PAC and disinfectant
  6. ・Demo experiment from precipitation to filtration


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