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PTDR-100 Waste To Energy System - Shanghai, China

In August 2013, PEAT International successfully commissioned and sold a PTDR-100 System in Shanghai China. The 60 kg/hr system was designed for medical waste and purchased by an Asian-based renewable energy project developer.

This is first commercial operating plasma gasification system in China.

To complete the purchase, PEAT completed an acceptance test which included operations of 20 feeding hours within a 24-hour time period.

The highlights from the test illustrate the:

  1. environmental benefits,
  2. typical volume/weight reductions and
  3. waste-to-energy capabilities of the PTDR technology:

Emission levels near European standards (2000/76/EC) and significantly below Chinese regulations (GB 18484-2001). The summary represents an average of the three emissions runs conducte during the acceptance test.

Parameter

Parameter Standard Concentration ( mg/Nm3 ) Conversion to 11% O2 China GB 18484-2001 EU Directive 2000/76/EC

 

HCL 1.163 1.05 100 10
HF 0.293 0.26 9 1
Opacity 0.5 - Level 1 -
PM 47.3 40.4 100 10
SO2 ND (2.9) ND 400 50
NO2 98.1 88.533 500 200
CO ND (1.25) ND 100 50
Cd & its compounds ND (0.001) ND 0.1 0.05
Pb & its compounds ND (0.001) ND 1.0 0.5
Arsenic, nickel & its compounds ND (0.001) ND 1.0 0.5
Chromium, Tin, antimony, copper, manganese and its compounds ND (0.001) ND 4.0 0.5
Hg & its compounds ND (0.0005) ND 0.1 0.05
Dioxins & Furans (ng ∑TEQ/Nm3) 0.032 N/A 0.5 ng/m3 0.1 ng/m3

ND ="Not Detectable" with Limit in parentheses

TCLP test results significantly below any global regulation as seven test metals were non-detectable

Contaminant USA EPA(40 CFR 261.24) Regulatory Level (mg/L) China EPA Regulatory Level(mg/L) China Medical WasteVitrified Matrix(mg/L) China RefineryVitrified Matrix(mg/L)
Arsenic 5 5 ND <0.026 ND < 0.050
Barium 100 100 0.797 0.371
Cadmium 1 1 ND < 0.007 ND < 0.008
Chromium 5 5 0.173 ND < 0.017
Copper 15 0.100 (0.015) 8.7
Hexavalent Chromium 2.5 ND < 0.01 ND < 0.25
Lead 5 5 ND 0.014 ND < 0.018
Mercury 0.2 0.2 ND < 0.0005 ND < 0.0005
Nickel 0.121 0.441
Selenium 1 1 ND < 0.024 ND < 0.041
Silver 5 5 ND < 0.006 ND < 0.013
Zinc 0.378 1.22

ND ="Not Detectable" with Limit in parentheses

Weight reduction over 5-to-1 and volume reductions over 23-to-1 as 1,228 kilograms of waste and additives was processed and only 236 kilograms of vitrified material remained, representing the inorganic portion of the feedstock. The more organic the feedstock, the higher the weight and volume reductions.

Approximately 160 nm3/hr of syngas was generated with measured compositions of hydrogen and carbon monoxide. The estimated heat value of the syngas was over 6,350 kCal/nm3 (170 BTU/SCF) despite a feedstock that was a combined 40% water and inorganic material.

Below is a brief video of the acceptance test operations.

 

 

Previously, in late 2010, this plasma gasification system was commissioned in Northern China for a large oil refinery to treat petroleum sludge and other related waste streams.

After completing its sludge treatment demonstrations it was moved to Shanghai.