The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 07, 2008
Filed:
Jun. 18, 2004
Genji Imai, Kanagawa, JP;
Naonori Miyata, Kanagawa, JP;
Takeshi Sako, Shizuoka, JP;
Izumi Okajima, Shizuoka, JP;
Genji Imai, Kanagawa, JP;
Naonori Miyata, Kanagawa, JP;
Takeshi Sako, Shizuoka, JP;
Izumi Okajima, Shizuoka, JP;
Kansai Paint Co., Ltd., Amagasaki-shi, JP;
Abstract
There is provided a process for purification treatment of wastewater containing an organic substance. There is provided a process for purification treatment of wastewater containing an organic substance by carrying out supercritical treatment or subcritical treatment, which comprises subjecting the wastewater to at least one solid-liquid separation pretreatment selected from separation treatment with a flocculant, sedimentation treatment, flotation treatment and filtration treatment; and then subjecting the wastewater to primary treatment as biological treatment; and subsequently purifying the wastewater by treatment including secondary treatment as supercritical treatment or subcritical treatment.