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AssigneeNone recorded
InventorCameron Dixon
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A treatment and filtration device for use with a wastewater output contaminated with a chemical associated with a dry cleaning operation. An enclosed basin is capable of being filled with a volume of the wastewater for timed treatment. A first elongated module is arranged within the basin at a first location, the first module accomplishing initial filtration of the wastewater and substantial recovery of the chemical contaminant. A second elongated module is arranged within the basin at a second spaced apart location relative to the first module, a series of exterior and porous membranes interconnect the first and second modules as well as inwardly opposing wall edges of the basin proximate the modules and in order to divide the basin into first and second zones. The second module vaporizes a substantial remaining component of the chemical contaminant concurrent with discharging, from the first zone into the second zone, a further filtrated water output. A third elongated module is arranged within the basin at a further specified location within the second zone, a line extends from the second module to the third module, said third module absorbing the contaminant vapor concurrent with venting a residual air discharge. A fourth elongate module is located within the basin in proximity to the third module, a communication passage extending between the third and fourth modules. The fourth module incorporates a zeolitic refinery process for removing additional odorous contaminates from the treated water. A discharge line extends from the fourth module and iteratively discharging treated water from the device.
A treatment and filtration device for use with a wastewater output contaminated with a chemical associated with a dry cleaning operation, said device comprising:
4 The device as described in claim 3, further comprising a pressure vent/overflow line extending from said first upper stage portion into said basin.
A multi-stage treatment and filtration device for use with a wastewater output contaminated with a chemical associated with a dry cleaning operation, said device comprising:
A treatment and filtering device for use with a wastewater output of a dry cleaning machine, comprising:
Dependencies are inferred from the claim text.
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Multistage treatment of water, waste water or sewage: portable or detachable small-scale multistage treatment devices, e.g. point of use or…
By sorption: using inorganic sorbents
By sorption: using coal, charred products, or inorganic mixtures containing them
Treatment of water, waste water, or sewage: by dialysis, osmosis or reverse osmosis
Term end not estimated
1. Field of the Invention
The present invention relates generally to filtration devices, particularly those suited for filtering out amounts of perchlorethylene (perc) from dry cleaning wastewater. More particularly, the present invention is directed to a portable and multiple stage filtration device for use with any sized commercial dry-cleaning machine, in particular smaller sized machines. Additionally, the portable filtration device of the present invention provides the combined features of recycling (for reuse) quantities of perchlorethylene derived from the input wastewater, as well as the ability to reduce, through succeeding filtration stages, a remaining concentration of perc and associated odors to such a degree that an effluent discharge of the device can be safely disposed in conventional (drain) manner.
2. Description of the Prior Art
Reference will now be made to the attached illustrations, when read in combination with the following detailed description, wherein like reference numerals refer to like parts throughout the several views, and in which:
FIG. 1 is a perspective view, illustrated in part in phantom, of the portable and multiple stage perc filtration device according to the present invention;
FIG. 2 is an unfolded and structural plan view of the filtration device and which also illustrates the general pattern and direction of the multiple stage water treatment and perc/odor removal according to the present invention;
Referring to FIG. 1, a multiple stage perc removal device is illustrated at according to the present invention. As previously described, the multiple stage filtration device of the present invention is a generally and portable unit, typically fitting within a standard five (5) gallon bucket, and capable of use with any sized commercial dry-cleaning machine, in particular smaller sized machines. Additionally, the portable filtration device of the present invention provides the combined features of recycling (for reuse) quantities of perchlorethylene derived from the input wastewater, as well as the ability to reduce, through the succeeding filtration stages, a remaining concentration of perc and associated odors to such a degree that an effluent discharge of the device can be safely disposed in conventional (drain) manner. A detailed description of the workings of the portable filtration device will now be made.
Referring again to FIG. 1, as well as to succeeding FIGS. 2 and 3, the device 10 includes a fluid holding container 12, in the preferred application typically a five (5) gallon bucket. The container 12 defines an open interior basin, capable of receiving a plurality of individual modules incorporating the various filtration stages, as well as being filled with wastewater, this also being interpreted to include pre-filling the basin interior with tap water prior to connecting to the outlet of a conventional dry cleaning machine. As shown in FIGS. 2-4, a fitting 14 (such as a PVC threaded and compression fitting) is provided atop a first elongated module, generally referenced at 16, the fitting 14 fluidly communicating with an outlet line (not shown) extending from the conventional dry cleaning machine and through which volumes of the chemical contaminant (perc) laden wastewater is iteratively discharged.
The first elongated module 16 is best illustrated in the cutaway view of FIG. 2 and exploded view of FIG. 3. As again illustrated in FIG. 3, a top plate 18 may be secured over the container 12 and through which is defined apertures 20, 22, and 24 at specified locations for receiving, in downwardly inserting fashion, selected modules. Also incorporated into the top plate 18 are fitting connections 26, 28 and 30 for permitting communication there through of selected fluid lines as will be subsequently described.