Patents Assigned to Great Lakes Clean Water Limited
-
Patent number: 10710914Abstract: A batch process for the treatment of an aqueous solution so that the treated product is more desirable for disposal includes obtaining an influent batch of aqueous solution for treatment, treating the batch of solution by an advanced oxidation process. The advanced oxidation process including causing ozone to be mixed with the solution, maintaining the mixture of solution and ozone at a pressure above atmospheric for a time of at least two seconds. An embodiment of the process includes continuously recirculating the fluid to be treated, through a recirculation conduit, the recirculation conduit including an ozone injector and the ozone injector is adapted to inject ozone into the aqueous solution as the aqueous solution circulates through an ozone injector. Influent to be treated may be selected from the group including sewage, septage, leachate, ballast or other aqueous solutions where it is desirable to treat the fluid prior to disposal, further treatment, or reuse.Type: GrantFiled: June 30, 2017Date of Patent: July 14, 2020Assignee: Great Lakes Clean Water Limited PartnershipInventors: Thomas W. Bain, David Fancher
-
Publication number: 20130277315Abstract: A batch process for the treatment of an aqueous solution so that the treated product is more desirable for disposal includes obtaining an influent batch of aqueous solution for treatment, treating the batch of solution by an advanced oxidation process. The advanced oxidation process including causing ozone to be mixed with the solution, maintaining the mixture of solution and ozone at a pressure above atmospheric for a time of at least two seconds. In a preferred embodiment of the process, the process includes continuously recirculating the fluid to be treated, through a recirculation conduit, the recirculation conduit including an ozone injector and the ozone injector is adapted to inject ozone into the aqueous solution as the aqueous solution circulates through an ozone injector. Influent to be treated may be selected from the group including sewage, septage, leachate, ballast or other aqueous solutions where it is desirable to treat the fluid prior to disposal, further treatment, or reuse.Type: ApplicationFiled: March 15, 2013Publication date: October 24, 2013Applicant: GREAT LAKES CLEAN WATER LIMITED PARTNERSHIPInventors: Thomas W. BAIN, Graham Edward SWALES
-
Patent number: 8449777Abstract: A batch process for the treatment of an aqueous solution so that the treated product is more desirable for disposal includes obtaining an influent batch of aqueous solution for treatment, treating the batch of solution by an advanced oxidation process. The advanced oxidation process including causing ozone to be mixed with the solution, maintaining the mixture of solution and ozone at a pressure above atmospheric for a time of at least two seconds. In a preferred embodiment of the process, the process includes continuously recirculating the fluid to be treated, through a recirculation conduit, the recirculation conduit including an ozone injector and the ozone injector is adapted to inject ozone into the aqueous solution as the aqueous solution circulates through an ozone injector. Influent to be treated may be selected from the group including sewage, septage, leachate, ballast or other aqueous solutions where it is desirable to treat the fluid prior to disposal, further treatment, or reuse.Type: GrantFiled: July 17, 2008Date of Patent: May 28, 2013Assignee: Great Lakes Clean Water Limited PartnershipInventors: Thomas W. Bain, Graham Edward Swales
-
Patent number: 6673251Abstract: A method of handling grey water and optionally at least a portion of the black water for disposal from vehicles such as boats, recreational vehicles or rural dwellings such as cottages, camps and the like, not having direct access to sewer systems, involves the treatment of such waste water with ozone. A batch system is used whereby a predetermined quantity of water to be treated is captured in a treatment tank. A circulating pump withdraws water from the tank and pushes the water along a treatment conduit, the conduit containing an ozone/water mixer and returns the water to the treatment tank. The treatment conduit has a discharge valve that is maintained in a closed position for a selected period of time. Ozone is fed to the ozone/water mixer from an ozone generator which is advantageously fitted with an air pump to pressurize the feed gas.Type: GrantFiled: April 26, 2002Date of Patent: January 6, 2004Assignee: Great Lakes Clean Water Limited PartnershipInventors: Graham Edward Swales, James Edward Swales, Thomas W. Bain, Hubert Roger Hart
-
Publication number: 20020175128Abstract: A method of handling grey water and optionally at least a portion of the black water for disposal from vehicles such as boats, recreational vehicles or rural dwellings such as cottages, camps and the like, not having direct access to sewer systems, involves the treatment of such waste water with ozone. A batch system is used whereby a predetermined quantity of water to be treated is captured in a treatment tank. A circulating pump withdraws water from the tank and pushes the water along a treatment conduit, the conduit containing an ozone/water mixer and returns the water to the treatment tank. The treatment conduit has a discharge valve that is maintained in a closed position for a selected period of time. Ozone is fed to the ozone/water mixer from an ozone generator which is advantageously fitted with an air pump to pressurize the feed gas. After the selected treatment time, the batch is discharged to waste through the discharge valve.Type: ApplicationFiled: April 26, 2002Publication date: November 28, 2002Applicant: Great Lakes Clean Water Limited PartnershipInventors: Graham Edward Swales, James Edward Swales, Thomas W. Bain, Hubert Roger Hart
-
Patent number: 6402945Abstract: A method of handling grey water and optionally at least a portion of black water for disposal from vehicles such as boats, recreational vehicles or rural dwellings such as cottages, camps and the like, not having direct access to sewer systems, involves the treatment of such waste water with ozone. A batch system is used whereby a predetermined quantity of water to be treated is captured in a treatment tank. A circulating pump withdraws water from the tank and pushes the water along a treatment conduit, the conduit containing an ozone/water mixer and returns the water to the treatment tank. The treatment conduit has a discharge valve that is maintained in a closed position for a selected period of time. Ozone is fed to the ozone/water mixer from an ozone generator which is advantageously fitted with an air pump to pressurize the feed gas. After the selected treatment time, the batch is discharged to a drain through the discharge valve.Type: GrantFiled: March 22, 2000Date of Patent: June 11, 2002Assignee: Great Lakes Clean Water LimitedInventors: Graham Edward Swales, James Edward Swales, Thomas W. Bain, Hubert Roger Hart