| 摘要 |
PURPOSE:To obtain a liquid deodorant excellent in deodorizing action by leaving suspension wherein humus soil contg. amino acid, humic acid, silicic acid and a metallic component is mixed with water to stand for a long time and furthermore leaving the filtrate to stand for a long time. CONSTITUTION:Humus soil contg. amino acid, humic acid, silicic acid and a metallic component is used as soil 1 of a raw material and introduced into pure water 12 housed in a heating tank 11, heated and stirred to make suspension. This suspension is transferred to a primary aging tank 15 and added with pure water and left to stand at >=96hr. Residue is precipitated and separated in the tank 15. The supernatant liquid is dipped up to a secondary aging tank 20 with a pump 17 and filtered with a filter 1. When left standing in the tank 20 for >=192hr to age it, gel-like material 21 contg. ferric component is stuck on the inner wall of the tank 20. The aged liquid is filtered with a pressurization type filter 22 used with a pure filter medium to remove the gel- like material and reserved in a finished liquid tank 23. This liquid deodorant is sprayed in a zone to be deodorized. |
