"RAUDRA" Plasma Pyrolysis Technology for Safe Disposal of
Biomedical Waste

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Plasma pyrolysis is a thermal disintegration process where organic mass is fragmented into hydrogen, CO and lower hydrocarbon in oxygen starved environment. Graphite based Plasma torch is used to produces high temperature (plasma core temperature >5000oC) in the primary chamber by converting electrical energy into thermal energy in an efficient manner. Almost 99% of organic mass gets converted into combustible gases in this process. These combustible gases are useful fuel for heating application and can also be used for power generation. Unlike conventional incinerators, toxic molecules such as dioxins, furans, poly-aromatic hydrocarbons etc. are completely eliminated in Plasma pyrolysis. Hence; it is an environment friendly process for safe disposal of biomedical waste. Plasma pyrolysis is approved under the Gazette of India for safe disposal of BMW.

Plasma pyrolysis is a thermal disintegration process where organic mass is fragmented into hydrogen, CO and lower hydrocarbon in oxygen starved environment. Graphite based Plasma torch is used to produces high temperature (plasma core temperature >5000oC) in the primary chamber by converting electrical energy into thermal energy in an efficient manner. Almost 99% of organic mass gets converted into combustible gases in this process. These combustible gases are useful fuel for heating application and can also be used for power generation. Unlike conventional incinerators, toxic molecules such as dioxins, furans, poly-aromatic hydrocarbons etc. are completely eliminated in Plasma pyrolysis. Hence; it is an environment friendly process for safe disposal of biomedical waste. Plasma pyrolysis is approved under the Gazette of India for safe disposal of BMW.

SALIENT FEATURES

  • Thermal disintegration of  waste at high temperature and in oxygen starved environment, plasma core temperature is more than 5000 degree C.
  • All emissions are within the limit set by US-EPA and CPCB/MoEF&CC.
  • Environment friendly process.
  • MoEF&CC/CPCB approved home grown technology

APPLICATIONS

  • Plasma pyrolysis is approved for safe disposal of biomedical waste under BMW management rules 2016.

Plasma Pyrolysis Technology for Bio-Medical Waste

Introduction
Plasma pyrolysis technology is a non-incineration thermal process that uses extremely high temperature in an oxygen starved environment to completely dissociate waste in to their elemental constituents. It uses heat generated by graphite electrode based plasma arc system. Graphite electrode based plasma arc system converts the electrical energy into heat energy with more than 90% efficiency. It is an ultimate waste management technology for safe disposal of any kind of organic wastes including municipal solid waste, bio-medical waste, hazardous waste, etc. and can also be further disposed-off or converted them to commercially usable by-product.



Applications
Plasma pyrolysis technology is an ultimate waste management technology for safe disposal of all kind of organic waste streams.  Important features of the technology are:

  • Safe disposal of bio-medical waste.
  • The technology has been approved by CPCB and MoEF & CC and included in the Gazzette of India 28th March 2016
  • Environment friendly technology, all emissions used to be as per CPCB norms.
  • Completely indigenous technology (Make in India)

Specifications

Sr. No.
Items
Specification
1.
Capacity
15 -50 kg/hr
2.
Power Requirement
30 kW – 75 kW
3.
Space Required
60 – 200 Sq. Meter
4.
Manpower required (to operate plant)
2 ITI persons + 1 helper
5.
Water requirement
2000 Ltrs/week
6.
Consumables
Graphite electrodes


Plasma pyrolysis plant mainly comprises of
(i) Feeder  (ii) Primary chamber (iii) Graphite electrode based plasma torch (iv) Power supply with automations and control (v) Secondary chamber (optional) (vi) Gas generators, Gas genset (optional) (vii) Gas cleaning systems and heat exchanger (viii) Effluent Treatment Plant (ix) ID fan & chimney.
(note: the system configuration depends on the type of waste to be disposed.)

Infrastructure Required

Mechanical Fabrication Workshop with the following facilities
Semi-automatic hacksaw cutting machine, CNC/Conventional turning lathe machine, milling machine, TIG welding machine, Welding consumables, Table mounted mechanical vice, Tool grinding machine, Portable grinder, spanner tool kit, etc.

Test Facilities Space
The space required for testing the complete assembled plasma pyrolysis system of capacity 50kg/hr is 10m x 20m.

Power Supply
Power supply required such as: Single phase and three phase power connection required for manufacturing the plasma pyrolysis plant.

Material Availability
Most of the components are available within the country and some components need to be imported through local agents. 

Manpower
A mechanical engineer, 2 trained technicians to operate the machineries related to fabrication and 3 skilled labors will be required for the production of the plant. Electrical and Electronics Engineer with knowledge in automation and control and programming along with a helper will be required to make power supply for the plasma pyrolysis plant.
Email: technology@ipr.res.in