SEPARATION MEMBRANE MODULE FOR OIL-CONTAINING WASTEWATER TREATMENT, OIL-CONTAINING WASTEWATER TREATMENT METHOD, AND OIL-CONTAINING WASTEWATER TREATMENT APPARATUS
First Claim
1. A separation membrane module for oil-containing wastewater treatment, which separates water-insoluble oil from oil-containing wastewater that has high turbidity and/or high temperature, the separation membrane module being characterized by using a hollow fiber membrane which is composed of an alkali-resistant porous membrane selected from polytetrafluoroethylene (PTFE), polysulfone (PSF), and polyether sulfone (PES) and which has a tensile strength of 30 N or more,wherein the hollow fiber membrane has a heat distortion temperature of 100°
- C. or higher; and
an end-sealing member of the hollow fiber membrane is composed of a thermosetting resin having a heat distortion temperature of 100°
C. or higher or a hot-melt resin having a melting point that is 1.5 times or more the operating temperature.
1 Assignment
0 Petitions
Accused Products
Abstract
Provided is a separation membrane module which is suitable for filtration of oil-containing wastewater. The separation membrane module for oil-containing wastewater treatment separates water-insoluble oil from oil-containing wastewater that has high turbidity and/or high temperature. The separation membrane module for oil-containing wastewater treatment is characterized by using a hollow fiber membrane which is composed of an alkali-resistant porous membrane selected from polytetrafluoroethylene (PTFE), polysulfone (PSF), and polyether sulfone (PES) and which has a tensile strength of 30 N or more, and characterized in that each of the hollow fiber membrane and an end-sealing member of the hollow fiber membrane has a heat distortion temperature of 100° C. or higher.
24 Citations
22 Claims
-
1. A separation membrane module for oil-containing wastewater treatment, which separates water-insoluble oil from oil-containing wastewater that has high turbidity and/or high temperature, the separation membrane module being characterized by using a hollow fiber membrane which is composed of an alkali-resistant porous membrane selected from polytetrafluoroethylene (PTFE), polysulfone (PSF), and polyether sulfone (PES) and which has a tensile strength of 30 N or more,
wherein the hollow fiber membrane has a heat distortion temperature of 100° - C. or higher; and
an end-sealing member of the hollow fiber membrane is composed of a thermosetting resin having a heat distortion temperature of 100°
C. or higher or a hot-melt resin having a melting point that is 1.5 times or more the operating temperature. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
- C. or higher; and
Specification