Process control and emission monitoring in a waste to energy plant is a challenge. A large number of gaseous components need to be measured with high accuracy. Almost 100% uptime is required and the monitoring system needs to be easy to maintain and fast to calibrate.
Waste-to-energy through incineration of waste is an effective way of producing electricity and heat, at the same time getting rid of the possibly hazardous or unrecyclable waste. The waste can be incinerated at specific WtE plants or at plants with permission for co-incineration of waste at biomass boilers or cement kilns. The waste incineration plants are, however, governed by strict emissions regulations.
Local authorities incinerate domestic waste and other kinds of waste that typically include plastics, batteries and a diversity of unknown compounds. These may all produce acidic and other toxic emissions. Therefore, efficient flue-gas cleaning systems are needed to prevent their release into the environment.
Monitoring of emissions from incinerators is a demanding application for Continuous Emission Monitoring Systems. The emissions produced are highly corrosive, some of the gases are soluble and, because the waste being burnt is constantly changing, the resulting stack gas temperature varies widely.
Emissions of waste in life more and more, including waste, medical waste, industrial waste, eat hutch garbage, but the content is more of living garbage, about 60%. In order to achieve reduction, innocuity and recycling of living garbage disposal method is landfill, incineration, the early stage of the process chain is the breakage reduced size first, then on to the next step processing, this would require the use of garbage crusher is suitable for the living garbage.
Waste incineration, including solid municipal and hazardous waste, biomedical waste and hazardous liquid are all continually under more stringent scrutiny by regulators. Macrotek has designed and supplied many integrated systems to meet most guidelines. In several installations, hazardous waste has been combined with radioactive waste, requiring nearly non-detectable emission levels for many of the contaminants. Macrotek has installed and tested systems for these processes with the results significantly better...
Venturi scrubbers with FORCE FLUX Condensation technology and Wet Electrostatic Precipitators for industrial, municipal, sewage sludge and pathological waste incinerators to remove micron, submicron particulate, heavy metals and acid gases. Special quencher/scrubber systems for dioxin removal. HCL scrubbing from PVC plastic waste burning. Fine particulate, acid gases and NOx removal on munitions destruction. Cleanup of all pollutants from liquid waste incinerators and other high temperature destruction processes....
Polycyclic Aromatic Hydrocarbons (PAHs) are a group of over 100 different chemicals that are known to be formed typically during incomplete combustion of organic matter at high temperature. Their major sources in the atmosphere include industrial processes, vehicle exhausts, waste incinerations, and domestic heating emissions. Due to their carcinogenic/mutagenic effects, 16 PAHs are currently listed as priority air pollutants.
Continuous Emissions Monitoring Systems (CEMS) are used to measure flue gases from stationary sources at a wide variety of regulated industrial facilities, including power plants, petroleum refineries, petrochemical plants, waste incinerators, pulp and paper producers, and many others. The types of air pollution measured from these sources vary widely based on the industry and process, and many are regulated by government agencies around the world.
Many large combustion plants are now required to monitor mass emissions of major pollutants and to do so requires an accurate measurement of stack gas velocity. The VCEM 5100 is certified to EN 15267 part 3 QAL 1 for all industrial processes including waste incineration. It has several key advantages, firstly the sensors optics are not in contact with the hot and dusty environment, the VCEM 5100 can monitor gases at temperatures exceeding 10000C and the analyser requires minimal maintenance. The VCEM 5100 can be...