Hospital Waste Mgt

8/8/2019 Hospital Waste Mgt

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HOSPITAL WASTEHOSPITAL WASTE

MANAGEMENTMANAGEMENT


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Benefits

Improved compliance

Protects human health

Enhance communityrelationsEconomic benefits

Avoidance oflong-termliability

Increase employee morale


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Black fornon-infectious dry waste

Green fornon-infectious wet wasteYellow forinfectious and pathological

waste

Yellow with Black Band forchemical

waste including those with heavymetals

Orange forradioactive wasteRed forsharps and pressurized

containers


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Alternativetechnologiesis

availablein-placeofhospitalincinerator

Microwave

Autoclave

Pyrolysis System


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How dowe disposeexpired/

adulterated pharmaceuticals?Expired/adulterated

pharmaceuticals can bedisposed ofproperly eitherby

Delay

toDecay Method orby

Inertization


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Measuresthatcanbeinstituted to

achievewasteminimizationreduction atsource

segregation

re-use and recycling

composting


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Rolesofthe local health unitsintheimplementationofthe Solid Waste

Management Program

advocacy

technical assistance

monitoring


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Whatis Ecological Solid Waste

Management?systematic administration of

activities, which provide for

segregation atsource,segregatedtransportation,storage,transfer,

processing,treatment and disposal

ofsolid waste and allotherwastemanagement activities which do not

harmthe environment


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BIOBIO--MEDICAL WASTESMEDICAL WASTES

AND INCINERATIONAND INCINERATION


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Bio-medical wastes

allmaterials, biologicalornon-

biological,that are discarded in any

health care facility and notintendedforanyotheruse


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Medical waste/Health Carewaste

defined as waste generated as a

resultof diagnosis,treatment,or

immunization of humansoranimals


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Health Carewastecategory:

General domestic waste,municipalwaste disposal

Infectious suspected to contain

pathogens

Pathologic waste tissues,organs,

bodyparts; anatomical wasteSharps

Pharmaceutical waste


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Genotoxic waste alkylating agents,

antimetabolitesChemical waste gaseous chemicals,

diagnostic and experimental work from

cleaning

Toxic, corrosive, flammable,reactive,

genotoxic


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Waste with high contentof heavymetals

mercury waste, cadmium waste

Pressurized Containers - pressurized

cylinders, aerosol

Radioactive Waste disused sealed

radiation source,radionuclide, diagnostic

and therapeutic applications


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Health Care Waste TreatmentT

echnologies

/ Processes

Thermal Processes

Relyonhighheatto destroy

pathogens(diseasecausingorganisms)


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1. Pyrolysis

Thermal decompositionofsubstanceand

materialsintheabsenceofsupplied molecularoxygeninthe destructionchamberinwhich

thesaid material isconverted intogaseous.

2. Wetand Dry Treatment

Exposureofshredded infectiouswasteto

hightemperature,highpressuresteam,and is

similartotheautoclavesterilizationprocess.

121rC isneeded with 30 minutesexposuretime.

autoclave

microwave


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2. CHEMICAL DISINFECTION

Chemicals likealdehydes,chlorine

compounds,phenoliccompounds,

etc.,areadded tokill orinactivate

pathogenspresentinhealthcare

waste.


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3.BIOLOGICAL PROCESSES

Usesanenzymemixtureto decontaminate

healthcarewasteand theresultingby-productis

putthroughanextrudertoremovewaterfor

sewaged

isposal.

Requiresregulationoftemperature,pH,enzyme

level,and othervariable.

Compostingand vermicultureasbiological

processesfortreatingand disposingofplacental

waste,aswell asfood waste,yard trimmingsand

otherorganicwasteisalsorecommended.


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4.RADIATION TECHNOLOGY

Wastecontainingpotentiallyinfectious

microorganisms(sewagesludge,

biomedical wastes,wastewater)aretreated

usingirradiationsystemswhicharecurrentlybeing used inwastetreatment

operations.


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5. ENCAPSULATION

Involvesthefilling upofcontainerswithwaste,

addingand immobilizingmaterial,and sealing

thecontainers.

Theprocessisparticularlyappropriateforthedisposal ofsharpsand chemical or

pharmaceutical residues.

Themainadvantageoftheprocessisthatitis

veryeffectiveinreducingtheriskofscavengers

gainingaccesstothehealthcarewaste.


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6. INERTIZATION

Involvesmixingofthewastewithcementand

othersubstancescontained inthewaste

migratingintosurfacewaterorground water.

Thefollowingisthetypical proportionofthemixture:

65% pharmaceutical wastes

15% lime

15% cement

5% water


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Incineratoris NOT

considered anoptionfor

properdisposal and

managementofbio-

medical wastes.


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Legal backbones that support the ban on incineration

RA No.6969(Toxic and HazardousSubstances and NuclearWastes

ControlActof 1990)

RA No. 8749(Philippine Clean Air

Actof 1999)

RA No.9003 (Ecological Solid

Waste ManagementActof 2000)

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Hospital Waste Mgt