For many countries, including the United States of America, England, Australia and China, pollution in large cities is a major problem. In the early 1990's, the Australian Federal Government were looking to solve the perceived problems with the wood heating industry, including:
1. The depletion of natural wood resources
2. Too much carbon dioxide released into the air from wood burning
3. Nuisance smoke released from combustion heaters on their overnight slow burn cycle - which was considered unacceptable in high-density residential and commercial areas
4. Cooperating with the Wood Heating Industry to improve the situation
The Federal Government's concerns with the Wood Heating Industry were investigated in a report organised and paid for by the Australian Wood Heating Industry. The results of the report showed that most of the concerns were unfounded. For instance, natural wood resources running out was not true as combustion heaters used wood that would normally be wasted from off cuts in the timber industry. The report also found the timber industry to be a natural resource that is self-replenishing.
Secondly, it was found that the expected "excessive" levels of carbon dioxide released into the atmosphere through the combustion of wood is no greater than that of wood rotting naturally on the forest floor. The report did find, however, a problem with nuisance smoke, caused by burning wood at reduced temperatures with limited air intake. Burning wood this way results in pungent, unsightly smoke that is laden with unburnt saps and tars (or "creosote"), and so cleaning up nuisance smoke from wood fire heating systems became a priority.
New Emissions Standards for Wood Combustion Heaters
The Australian Government along with the Wood Heating Industry have introduced legislation called AS4013/1993. This legislation sets a maximum standard on unpleasant smoke that contains particle emission. Standard AS4013/1993 states the standard as no more than 5.5 grams of particles in the air per kilogram of wood burnt. Now all fire wood heaters available in Australia no longer produce unpleasant smoke as the Wood Heating Industry has met this standard. It has now been updated to 4 grams per kilogram in 1999 and once again the Wood Heating Industry has agreed to lower emission standards again by December 2013 to 2.5 grams per kilogram.
1. The depletion of natural wood resources
2. Too much carbon dioxide released into the air from wood burning
3. Nuisance smoke released from combustion heaters on their overnight slow burn cycle - which was considered unacceptable in high-density residential and commercial areas
4. Cooperating with the Wood Heating Industry to improve the situation
The Federal Government's concerns with the Wood Heating Industry were investigated in a report organised and paid for by the Australian Wood Heating Industry. The results of the report showed that most of the concerns were unfounded. For instance, natural wood resources running out was not true as combustion heaters used wood that would normally be wasted from off cuts in the timber industry. The report also found the timber industry to be a natural resource that is self-replenishing.
Secondly, it was found that the expected "excessive" levels of carbon dioxide released into the atmosphere through the combustion of wood is no greater than that of wood rotting naturally on the forest floor. The report did find, however, a problem with nuisance smoke, caused by burning wood at reduced temperatures with limited air intake. Burning wood this way results in pungent, unsightly smoke that is laden with unburnt saps and tars (or "creosote"), and so cleaning up nuisance smoke from wood fire heating systems became a priority.
New Emissions Standards for Wood Combustion Heaters
The Australian Government along with the Wood Heating Industry have introduced legislation called AS4013/1993. This legislation sets a maximum standard on unpleasant smoke that contains particle emission. Standard AS4013/1993 states the standard as no more than 5.5 grams of particles in the air per kilogram of wood burnt. Now all fire wood heaters available in Australia no longer produce unpleasant smoke as the Wood Heating Industry has met this standard. It has now been updated to 4 grams per kilogram in 1999 and once again the Wood Heating Industry has agreed to lower emission standards again by December 2013 to 2.5 grams per kilogram.
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