Zhejiang Fuchunjiang Environmental Thermoelectric Co.

Fuchunjiang, China

Zhejiang Fuchunjiang Environmental Thermoelectric Co.

Fuchunjiang, China

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Zeng S.,Nanjing Southeast University | Li N.-H.,Jiangsu Bicheng Environmental Engineering Co. | Sheng H.-C.,Zhejiang Fuchunjiang Environmental Thermoelectric Co. | He K.,Jiangsu Bicheng Environmental Engineering Co. | Hu Z.-Q.,Jiangsu Bicheng Environmental Engineering Co.
Huanjing Kexue/Environmental Science | Year: 2015

In order to obtain the candidate strains of deodorizing microorganism, three optimization strains with relatively higher deodorizing capacity were isolated from landfill leachate, which were given the labels of CC3, CC7, CC13 and CC16. According to the results of morphological observation, physiological and biochemical tests, 16S rDNA sequence homology analysis, the strains CC3, CC7, CC13 and CC16 were identified as Pediococcus acidilactici, Bacillus megaterium, Lactobacillus acidophilus and Alcaligenes faecalis respectively. When the strains CC7, CC13 and CC16 were mixed with the inoculation rate was 1:1.5:0.5, the removal rates of ammonia and hydrogen sulfide were 83.56% and 70.25%. The optimal conditions of deodorizing by single factor test were deodorization time of 60 hours, sausage of 5%, temperature of 30℃, initial pH of 6.5. ©, 2015, Science Press. All right reserved.


Tang Z.,Nanjing Southeast University | Chen X.,Nanjing Southeast University | Liu D.,Nanjing Southeast University | Zhuang Y.,Nanjing Southeast University | And 3 more authors.
Journal of Environmental Sciences (China) | Year: 2016

Incineration of municipal solid waste (MSW) is a waste treatment method which can be sustainable in terms of waste volume reduction, as well as a source of renewable energy. During MSW combustion, increased formation of deposits on convection heating exchanger surfaces can pose severe operational problems, such as fouling, slagging and corrosion. These problems can cause lower heat transfer efficiency from the hot flue gas to the working fluid inside the tubes. A study was performed where experiments were carried out to examine the ash deposition characteristics in a full-scale MSW circulating fluidized bed (CFB) incinerator, using a newly designed deposit probe that was fitted with six thermocouples and four removable half rings. The influence of probe exposure time and probe surface temperature (500, 560, and 700°C) on ash deposit formation rate was investigated. The results indicate that the deposition mass and collection efficiency achieve a minimum at the probe surface temperature of 560°C. Ash particles are deposited on both the windward and leeward sides of the probe by impacting and thermophoretic/condensation behavior. The major inorganic elements present in the ash deposits are Ca, Al and Si. Compared to ash deposits formed on the leeward side of the probe, windward-side ash deposits contain relatively higher Ca and S concentrations, but lower levels of Al and Si. Among all cases at different surface temperatures, the differences in elemental composition of the ash deposits from the leeward side are insignificant. However, as the surface temperature increases, the concentrations of Al, Si, K and Na in the windward-side ash deposits increase, but the Ca concentration is reduced. Finally, governing mechanisms are proposed on the basis of the experimental data, such as deposit morphology, elemental composition and thermodynamic calculations. © 2016


Sheng H.,Zhejiang Fuchunjiang Environmental Thermoelectric Co. | He G.,Zhejiang Fuchunjiang Environmental Thermoelectric Co. | Jin X.,Zhejiang Fuchunjiang Environmental Thermoelectric Co. | Lou J.,Zhejiang Fuchunjiang Environmental Thermoelectric Co. | And 4 more authors.
Dongli Gongcheng Xuebao/Journal of Chinese Society of Power Engineering | Year: 2013

To study the influence of blending ratio of paper sludge on operating characteristics of a 130 t/h CFB coal-fired boiler, thermodynamic equilibrium calculation and flue gas/air resistance calculation were carried out. Results show that with the rise of blending ratio of paper sludge, the furnace exit gas temperature drops, the exhaust gas temperature increases, the boiler efficiency reduces, the inlet dry sludge rises significantly, the inlet coal quantity reduces slightly, the flue gas flow, fly ash mass and the attempering water flow increase remarkably, the primary/secondary air resistance and the flue gas resistance increase in rising gradient. Above results may serve as a reference for the retrofit of CFB coal-fired boilers to co-fire sludge.


PubMed | Zhejiang Fuchunjiang Environmental Thermoelectric Co. and Nanjing Southeast University
Type: | Journal: Journal of environmental sciences (China) | Year: 2016

Incineration of municipal solid waste (MSW) is a waste treatment method which can be sustainable in terms of waste volume reduction, as well as a source of renewable energy. During MSW combustion, increased formation of deposits on convection heating exchanger surfaces can pose severe operational problems, such as fouling, slagging and corrosion. These problems can cause lower heat transfer efficiency from the hot flue gas to the working fluid inside the tubes. A study was performed where experiments were carried out to examine the ash deposition characteristics in a full-scale MSW circulating fluidized bed (CFB) incinerator, using a newly designed deposit probe that was fitted with six thermocouples and four removable half rings. The influence of probe exposure time and probe surface temperature (500, 560, and 700C) on ash deposit formation rate was investigated. The results indicate that the deposition mass and collection efficiency achieve a minimum at the probe surface temperature of 560C. Ash particles are deposited on both the windward and leeward sides of the probe by impacting and thermophoretic/condensation behavior. The major inorganic elements present in the ash deposits are Ca, Al and Si. Compared to ash deposits formed on the leeward side of the probe, windward-side ash deposits contain relatively higher Ca and S concentrations, but lower levels of Al and Si. Among all cases at different surface temperatures, the differences in elemental composition of the ash deposits from the leeward side are insignificant. However, as the surface temperature increases, the concentrations of Al, Si, K and Na in the windward-side ash deposits increase, but the Ca concentration is reduced. Finally, governing mechanisms are proposed on the basis of the experimental data, such as deposit morphology, elemental composition and thermodynamic calculations.


Hu J.,Suzhou Nuclear Power Research Institute | Lou J.,Zhejiang Fuchunjiang Environmental Thermoelectric Co. | Sheng H.,Zhejiang Fuchunjiang Environmental Thermoelectric Co. | Wu S.,Suzhou Nuclear Power Research Institute | And 6 more authors.
Advanced Materials Research | Year: 2012

This study reviews the current status of the understanding and development of laser shock peening(LSP) on various metals. The influence of processing parameters on residual stresses, microstructure and properties are discussed. Special emphasis is placed on analyzing their underlying interrelationship between the LSP induced modifications. Finally, recommendations for further study are listed. Results indicate that the combination of uniquely flexible process and excellent performance makes the laser shock peening an attractive candidate for surface optimization applications. © (2012) Trans Tech Publications, Switzerland.

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