Hazardous or toxic waste destruction or containment – Containment – Solidification – vitrification – or cementation
Patent
1996-12-26
1998-10-13
Suchfield, George A.
Hazardous or toxic waste destruction or containment
Containment
Solidification, vitrification, or cementation
210173, 210192, 2101951, 210760, 210764, 241DIG38, 405128, 422 28, 422 32, 588900, A62D 300, B09B 300
Patent
active
058205411
DESCRIPTION:
BRIEF SUMMARY
This application is a 35 U.S.C. .sctn.371 filing of PCT Application PCT/ES95/00126.
BACKGROUND OF THE INVENTORY FIELD
This invention is applicable within the industry dedicated to the production of apparatus and processes and the installation thereof for the treatment and sterilization of biological wastes in general, and especially those originating from hospitals.
DESCRIPTION OF THE PRIOR ART
The methods known and existing at present for the treatment of solid, liquid, ferreous metal, non-ferreous metal, toxic and biological residues in hospitals are carried out by means of steam autoclaves or by microwaves. All these means suffer from important drawbacks because, the solid, liquid, ferreous metal, non-ferreous metal, toxic and dangerous biological hospital residue, include solids such as dressings, syringes, plungers, glass tubes, glass plates, catheters, stylets, bacteriological culture plates, human body partes, needles, ferreous metals, non-ferreous metals and various other materials contaminated by bacteria and viruses.
The materials and elements mentioned above include semisolid residues, for example, purulents, blood, feces, etc. These materials are highly contaminating and very dangerous, and, consequently, require not only disinfection, but also sterilization. Without sterilization these solid, liquid, ferreous metallic, non-ferreous metallic, toxic and dangerous biological hospital wastes would be deposited in the rubbish dumps and the bacteria and viruses which have survived, under the conditions of humidity and temperature of the rubbish dumps, would reproduce. The autoclave and microwave systems clean, but do not solve the real problem of the elimination of wastes, which are converted into an extremely hazardous material for the transmission of contagious illnesses to humans, animals and water supplies and are thus capable of creating widespread epidemics.
At present, the obvious solution to this problem would be a formula process, and apparatus capable of solving this problem situation, by designing a process together with apparatus and the installations thereof operable in the process.
SUMMARY OF THE INVENTION
The present invention concerns a process, formulation and the installation thereof for the treatment and sterilization of biological, solid, liquid, ferreous metallic, non-ferreous metallic, toxic and dangerous hospital waste material, that is based on a formulation and its use in an appropriate apparatus, to obtain the proposed aim, which offers advantages and improvements over the currently existing systems.
BRIEF DESCRIPTION OF THE DRAWINGS
To complement the description that of the instant process and in order to provide a better understanding of the characteristics of the invention, attached to the present Specification, and forming an integral part of the same, are two pages of drawings in which, in an illustrative and non-limitative manner, the following has been represented.
FIG. 1 is a schematic view of the different elements of the equipment which is used in the process formula and apparatus for the treatment and sterilization of the solid, liquid, ferreous metallic, non-ferreous metallic, toxic and dangerous biological hospital waste.
FIG. 2 is a graph of the mixture of the gasses in a base of 100 carried out in a pilot plant. The gas mixture is given by the formula ##EQU1## wherein PN is the nominal production in grams/hour. Q.sub.1 is the concentration of ozone (O.sub.3) in grams/m.sup.3, and the Q is the flow rate of oxygen (O.sub.2) in liters/hour.
DESCRIPTION OF THE INVENTION
The process, formula and apparatus for the treatment and sterilization of solid, liquid, ferreous metallic, non-ferreous metallic, toxic and dangerous biological hospital wastes proposed by the invention results in the total and absolute sterilization of the solid, liquid, ferreous metallic, non-ferreous metallic, toxic and dangerous biological hospital wastes, by changing them to local waste residues devoid of risks.
More specifically, the process, formula and apparatus for the tre
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patent: 5078965 (1992-01-01), Pearson
patent: 5116574 (1992-05-01), Pearson
patent: 5173257 (1992-12-01), Pearson
patent: 5520888 (1996-05-01), Berndt
patent: 5591117 (1997-01-01), Zelno
Biozon, S.L.
Suchfield George A.
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