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Analysis of Gas Emission Capacity of Main Herbaceous Fuel Types of Hei Longjiang Province

Author: Wang（WeiHua）Zuo
Tutor: HuHaiQing
School: Northeast Forestry University
Course: Ecology
Keywords: Herbal Combustible Materials Gas emissions Emission factors
CLC: S762
Type: Master's thesis
Year: 2009
Downloads: 61
Quote: 1
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Abstract


In this thesis, using a combination of field investigation and indoor control environment combustion experimental approach for the study area forest to in Daxinganling forest area, Heilongjiang Province and small Hinggan Mountains cold water, determination and calculation of the large, Xiaoxing'anling area of ??135 grass of the combustible material in the combustion process CO 2 , CO, CxHy, NO and SO 2 emission factors and emission, and from the point of view of the gas emission characteristics analysis of the similarities and differences of the different herbal combustible material flammability. The different the herbal fuel types gas emissions with the least significant difference (LSD) significant difference test. The study showed that: the gas emissions in the combustion process mainly CO 2 the five gases emissions average there was a significant difference (P <0.05), but the degree of difference between each gas type. The different herbal combustible combustion gases emission characteristics analysis showed that: the combustion process gas emissions are CO 2 -based combustion is not sufficient, CO emissions increased significantly; the CO emission curve bimodal shape; burning Process gas emissions reached the maximum time is CO, for a maximum of CO 2 . Bimodal CO emissions curve is the combustible combustion reaction experienced preheat temperature, thermal decomposition, flaming combustion, the flameless combustion stage of a very favorable proof. Cluster analysis, different herbal combustible materials within the same family of herbs with similar emission characteristics. Different families of plants may be the cause due to differences in physical and chemical properties of the plant itself and C (N, S) and other elements in the amount of various trace gases released in the combustion reaction for different reasons. Determination of 13 kinds of forest types under herbal combustible gas emissions of the combustion process and test significant. CO 2 , CO, CxHy, NO and SO 2 five gases unit release 50241.05 mg.g -1 , 4272.894 mg . g -1 , 127.482 mg.g -1 , 72.314 mg.g -1 , 366.754 mg.g -1 < / sup>. There is a significant correlation between under different forest types herbal combustibles released five main gas emission. 20 grass of the combustible materials in different parts of the emissions of the five main gas emission factors, CO 2 , CO, C x H y there are significant differences between the ground and the underground part of. NO, SO 2 of emission factors significant relationship exists between. The results will further develop forest fuel combustion gases emission to provide a theoretical basis and foundation data.

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CLC: > Agricultural Sciences > Forestry > Forest Protection > Forest fire
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