Liquid purification or separation – With time control
Patent
1994-12-05
1997-11-04
Drodge, Joseph W.
Liquid purification or separation
With time control
210149, 2101981, 210612, 210632, 3661561, B01D 1712, C02F 300
Patent
active
056835752
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Technical Field
The present invention relates to an apparatus for activation of a digesting agent. The invention has application for the complete or partial bio-degradation of an organic material.
The term "organic material" as used herein is intended to embrace excrement from humans and other animals, and waste from kitchens (for example, kitchens of restaurants, hotels, public houses, hospitals and schools); bathrooms; meat and poultry processing plants; slaughterhouses; and plants from the pulping, food processing, wool scouring, rendering, tanning and fermentation industries and the like.
The invention has particular application in the preventative maintenance of a drainage system, so as to inhibit the formation of grease/sludge blockages therein.
A drainage system typically comprises a downpipe communicating with a U-shaped trap which in turn communicates with a substantially horizontal pipe leading into a grease trap downstream of which is either a septic tank or a main waste outlet.
2. Background Art
Grease, oils and fats are used extensively in food preparation and cooking. Whilst warm, they are free-flowing but as they cool down, they start to solidify causing obstruction or blockage of drainage systems.
It is known to incorporate a grease trap in a drainage system to separate grease from the waste watersby making use of the ability of grease globules to float on water. Such a grease trap has a deflector disposed adjacent a waste inlet and a baffle disposed adjacent a waste outlet. The deflector and the baffle partially define a central chamber. Such a grease trap reduces the speed of incoming waste water using the deflector and the grease globules then rise into the central chamber of the grease trap to form a grease layer in the central chamber. The water underneath the grease layer is forced out of the grease trap under the baffle by the incoming waste water. The grease trap is provided with an opening to permit removal of the grease layer trapped in the central chamber at regular intervals.
Digesting agents may be used wherever organic material is present, including bathroom maintenance; odor control and surface cleaning; laundry pre-spotting; garbage disposal; trap and drain maintenance, carpet and fabric care; waste water systems; porta-toilets and roller vehicle (mobile homes, caravans, campers and the like) applications; and cattle, pig and animal shelters and feed lots.
Specifically, various digesting agents have been developed to digest grease and sludge (protein, starch and/or fat deposits) into an aqueous solution or suspension, which can be washed away with the waste water. Such digesting agents may include aerobic and/or anaerobic bacteria and, optionally, enzymes. Suitable enzymes, when present, include porteases, amylases, lipases and/or cellulases. The bacteria and/or enzyme(s) of the digesting agent are chosen, having regard to the nature of the organic material for bio-degradation.
One such digesting agent is distributed in Ireland under the Trademark "Super Chemzyme III" by National Chemsearch (Ireland) Limited of Unit B, Airport Industrial Estate, Santry, Dublin 9, Ireland. "Super Chemzyme III" is manufactured by NCH of Mohawk Laboratories, Ripley, Derbyshire, United Kingdom. "Super Chemzyme III" contains compatible non-competing types of bacteria in a viscous, relatively stable suspension/emulsion. "Super Chemzyme III" comprises a cocktail of aerobic and anaerobic bacteria sourced from citrus fruit. The bacteria produce specific enzymes to attack carbohydrate, protein and fats. "Super Chemzyme III" also comprises a surfactant or grease emulsifier--BE 32--to break up oily deposits into smaller suspended particles, thereby increasing the surface area in contact with the enzymes produced by the bacteria.
Another such digesting agent is distributed in Ireland under the Trademark "BIO-CAT WD10" by T. C. BIO LIMITED of Unit 5, Newtown Industrial Estate, Newtownmountkennedy, County Wicklow, Ireland. "BIO-CAT WD10" is manufactured by Hallmark Industrie
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International Search Report EPO Jun. 17, 1993.
McElroy Dermot Joseph
Yates Ivan William
Drodge Joseph W.
Yates Ivan William
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