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Healthcare Waste Report - Environment Health

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DRY HEATING<br />

What is a dry heating system?<br />

The concept of dry heat system is similar to<br />

the High Velocity Heated Air system where<br />

waste is heated by conduction, natural or<br />

forced convection, and/or by thermal<br />

radiation. Dry-heat processes use higher<br />

temperatures and longer exposure times than<br />

steam-based processes but the timetemperature<br />

requirements actually depend on<br />

the properties and size of the wastes being<br />

treated.<br />

How does a dry heating system work?<br />

<strong>Waste</strong> Collection<br />

One gallon<br />

containers<br />

Disposal of waste<br />

with regular garbage<br />

Vendor<br />

Low-Heat Thermal Technologies: Dry-Heat<br />

Systems<br />

Thermal <strong>Waste</strong><br />

DRY HEATING<br />

Technologies, Inc.<br />

Capacity Technology Presence<br />

up to 3.8 litre/cycle N/A<br />

What can be treated with dry<br />

heating?<br />

Type of waste Suitability<br />

Sharps<br />

Soft wastes (gauze, bandages,<br />

drapes, gowns, bedding, etc.)<br />

Small amount of liquids such as<br />

dressing soaked with blood and<br />

body fluids<br />

Human anatomical wastes<br />

Volatile and semi-volatile<br />

organic compounds<br />

Bulk chemotherapeutic wastes<br />

Mercury and other hazardous<br />

chemical wastes<br />

Radiological wastes<br />

Dry Heating Unit<br />

Discharge<br />

Warm up – 18 min<br />

Heating – 90 min<br />

Cool down – 52 min<br />

145 HEALTHCARE WASTE IN ASIA: INTUITIONS & INSIGHTS

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