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LAG Technology Inc. has secured rights to a MWP-2000/1. The MWP-2000/1 is a rotary kiln thermal chemical decomposition plant that destroys many types of hazardous waste. The MWP-2000/1 process meets all regulations of the United States Environmental Protection Agency (USEPA) and the Ontario Ministry of Environment and Energy.
This technology is to be equipped/enhanced with state of the art digital computer instrumentation to ensure Ministry requirements are met throughout the process both for air quality, to the atmosphere and the remaining levels of waste and residue characterizations.
The technology is able to operate in a fixed base environment (in a building) at a permanent location and in a transportable/mobile fashion.
The fixed-base operating environment would consist of a permanent location and the system would be constructed inside a building. The fixed base is intended for long term processing.
A transportable/mobile system can be moved, assembled and operated either at a contaminated site or in the vicinity of high volume stored contaminated materials. Once the site is remediated or the repository of materials is satisfactorily dealt with, the system can be disassembled and relocated elsewhere.
The MWP-2000/1 system generates in-excess of 50,000,000 BTU's of thermal energy in the form of steam. The potential electrical energy is estimated at minimum of 14,000 kw/h or 14 mw (megawatts)/h. The sale of electrical power currently is in the range of $0.05 - $0.08 per kwh.
The technology has not previously operated in a co-generation mode. The generation of electrical power is planned to be added in Phase II, once the base plant is up and operating.
An on-site laboratory will be incorporated, appropriately equipped, in order that the characterization of incoming wastes and process residues can be performed including a complete waste tracking and quality control service (complying with ISO 9002 and ISO 14000).
Treatment Of Hazardous Waste
Soil-washing with solvents: This method introduced solvents which were hazardous and added a source of further contamination, this method was expensive, incomplete and no longer an alternative.
Landfill: the disposing of wastes in landfill sites is no longer an alternative since the regulations set out a maximum of 50 parts per million (ppm), by weight of PCBs is the general release prohibition.
Cement-Kiln Remediation: This method is limited to waste that will produce acceptable asphalt. New requirements for air pollution equipment have caused most cement companies to withdraw from the market.
Bio-Remediation: reduces contamination by allowing bacteria to consume hydrocarbon contaminant. This method is limited to contamination levels below 15,000 ppm. Even then, the process requires significant time to be effective and will not completely eliminate the contaminant. In cold climates the bacterial process is further slowed.
High-Temperature Thermal Oxidation: consists of oxidizing waste material in an incinerator. This method has emerged as the technology of choice for destruction of contaminating waste. It can handle most kinds of organic wastes and produces decontaminated soil without organic residue, minimizing liabilities, which is the primary concern to waste generators.
Proven Technology
The Technology is a rotary-kiln incineration process that was designed and developed in the United States by Ensco Inc. of Little Rock, Arkansas in the early 1980’s. The Technology’s operating process can be summarized as follows:
1. Waste is transported to the facility where it is prepared. It enters the rotary kiln primary combustion chamber, which operates at approximately 1800°F. Toxic materials are vaporized to combustible gases.
2. Gases enter a second combustion chamber where air is injected and complete oxidation occurs above 2300° F.
3. The treated soil and/or other materials are recovered, verified, and classified for reuse.
4. The Technology generates up to 50 million BTU’s of thermal energy in the form of steam. During the operating process, this energy has the potential to be harnessed by means of electrical co-generation.
The MWP-2000/1 incinerator provides secure, environmentally friendly, permanent destruction of high concentration PCB’s and a wide range of hazardous wastes. The Technology achieves a Destruction Removal Efficiency (DRE) of 99.9999998% with sterilized ash and steam being the only by-products. The Technology is a continuous feed process that allows for greater efficiency and a high processing capacity.
The Technology’s effectiveness was demonstrated through its successful 18-month operation at a large PCB contaminated site in Smithville, Ontario in 1991. The Technology’s acceptance is demonstrated through its compliance with all regulations of the United States Environmental Protection Agency and the Ontario Ministry of Environment and Energy. ENSCO today retains one operating MWP-2000 incinerator at El Dorado, Arkansas.
The Technology is able to operate in a fixed-base environment at a permanent location and in a transportable/mobile fashion. The fixed-base operating environment is intended for long-term processing and would consist of a permanent location, with the system constructed inside the building. A transportable system can be moved, assembled and operated either at a contaminated site or in the vicinity of high volume, stored contaminated materials. Once the site is remediated or the materials are dealt with, the system can be disassembled and relocated elsewhere.