Hydrocarbon Assisted NO Oxidation with Non-thermal Plasma in Simulated Marine Diesel Exhaust Gases

2012 ◽  
Vol 33 (1) ◽  
pp. 323-335 ◽  
Author(s):  
Michael Schmidt ◽  
Ralf Basner ◽  
Ronny Brandenburg
Keyword(s):  
Thermal Plasma ◽  
Diesel Exhaust ◽  
No Oxidation ◽  
Exhaust Gases ◽  
Marine Diesel ◽  
Non Thermal Plasma

scholarly journals Performance evaluation of non-thermal plasma on particulate matter, ozone and CO2 correlation for diesel exhaust emission reduction

2015 ◽  
Vol 276 ◽  
pp. 240-248 ◽  
Author(s):  
Meisam Babaie ◽  
Pooya Davari ◽  
Pouyan Talebizadeh ◽  
Firuz Zare ◽  
Hassan Rahimzadeh ◽  
...  
Keyword(s):  
Performance Evaluation ◽  
Particulate Matter ◽  
Thermal Plasma ◽  
Diesel Exhaust ◽  
Emission Reduction ◽  
Exhaust Emission ◽  
Non Thermal Plasma

scholarly journals Electron beam treatment of simulated marine diesel exhaust gases

Nukleonika ◽  
2015 ◽  
Vol 60 (3) ◽  
pp. 689-695 ◽  
Author(s):  
Janusz Licki ◽  
Andrzej Pawelec ◽  
Zbigniew Zimek ◽  
Sylwia Witman-Zając
Keyword(s):  
Electron Beam ◽  
Removal Efficiency ◽  
Diesel Engines ◽  
Diesel Exhaust ◽  
Irradiation Dose ◽  
Treatment Technology ◽  
Gas Treatment ◽  
Exhaust Gases ◽  
Marine Diesel ◽  
Removal Efficiencies

Abstract The exhaust gases from marine diesel engines contain high SO2 and NOx concentration. The applicability of the electron beam flue gas treatment technology for purification of marine diesel exhaust gases containing high SO2 and NOx concentration gases was the main goal of this paper. The study was performed in the laboratory plant with NOx concentration up to 1700 ppmv and SO2 concentration up to 1000 ppmv. Such high NOx and SO2 concentrations were observed in the exhaust gases from marine high-power diesel engines fuelled with different heavy fuel oils. In the first part of study the simulated exhaust gases were irradiated by the electron beam from accelerator. The simultaneous removal of SO2 and NOx were obtained and their removal efficiencies strongly depend on irradiation dose and inlet NOx concentration. For NOx concentrations above 800 ppmv low removal efficiencies were obtained even if applied high doses. In the second part of study the irradiated gases were directed to the seawater scrubber for further purification. The scrubbing process enhances removal efficiencies of both pollutants. The SO2 removal efficiencies above 98.5% were obtained with irradiation dose greater than 5.3 kGy. For inlet NOx concentrations of 1700 ppmv the NOx removal efficiency about 51% was obtained with dose greater than 8.8 kGy. Methods for further increase of NOx removal efficiency are presented in the paper.

Non-Thermal Plasma Assisted Catalytic Oxidation NO over Mn-Ni-Ox Catalysts at Low-Temperature

2011 ◽  
Vol 383-390 ◽  
pp. 3092-3098 ◽  
Author(s):  
Kai Li ◽  
Xiao Long Tang ◽  
Hong Hong Yi ◽  
Ping Ning ◽  
Zhi Qing Ye ◽  
...  
Keyword(s):  
Low Temperature ◽  
Catalytic Oxidation ◽  
Thermal Plasma ◽  
Space Velocity ◽  
Input Voltage ◽  
No Oxidation ◽  
Precipitation Method ◽  
Non Thermal Plasma ◽  
High Space ◽  
Co Precipitation

Mn-Ni-Ox catalyst was prepared by the co-precipitation method. The most active catalysts were obtained with a molar Ni/ (Mn+Ni) ratio of 0.1. The results showed that over this catalyst, NO oxidation conversion reached 59% at 125°C and 50% at 150°C with a high space velocity of 35000h-1. Their surface properties were evaluated by means of scanning electron microscopy (SEM). The process of non-thermal plasma-assisted catalytic oxidation of NO under low-temperature was studied. And the NO conversion could reach 80% with the non-thermal plasma-assisting at 150°C when the input voltage was 30V. The increasing activities at low temperature（50~175°C）were more apparently higher than high temperature by plasma. And the low-temperature catalytic activity of the catalyst was increased with the increase of the input voltage.

A Solution to the Problem of Large Energy Consumption of the De-NOx Process by Non-Thermal Plasma

2005 ◽  
Vol 8 (2) ◽  
Author(s):  
Yoshio Yoshioka ◽  
Taku Tezuka
Keyword(s):  
Energy Consumption ◽  
Thermal Plasma ◽  
Diesel Exhaust ◽  
High Energy ◽  
Exhaust Gas ◽  
Water Emulsion ◽  
Injection Methods ◽  
Non Thermal Plasma ◽  
Direct Discharge ◽  
Ozone Injection

AbstractIn order to remove NO from diesel exhaust gas, non-thermal plasma methods have been extensively studied. However, it is known that one of the problems of the de-NOx process by non-thermal plasma is the relatively high energy consumption of the de NOx process. In this paper, we tried to solve this problem by using a water emulsion fuel. Since the use of water emulsion fuel reduces the combustion temperature in the engine, the NO concentration at outlet of the engine should decrease considerably. We prepared a water emulsion fuel with different water content, and carried out NO removal experiments for diesel exhaust gas by both direct discharge and by an ozone injection methods. The experiments showed that a large reduction of discharge power for de-NOx process could be achieved.

Exhaust gases depletion using non-thermal plasma (NTP)

2017 ◽  
Vol 8 (2) ◽  
pp. 338-343 ◽  
Author(s):  
Zulfam Adnan ◽  
Sadullah Mir ◽  
Mudassar Habib
Keyword(s):  
Thermal Plasma ◽  
Exhaust Gases ◽  
Non Thermal Plasma

scholarly journals Nitrogen oxide removal by non-thermal plasma for marine diesel engines

RSC Advances ◽  
2019 ◽  
Vol 9 (10) ◽  
pp. 5402-5416 ◽  
Author(s):  
Zongyu Wang ◽  
Hailang Kuang ◽  
Jifeng Zhang ◽  
Lilin Chu ◽  
Yulong Ji
Keyword(s):  
Experimental Study ◽  
Nitrogen Oxide ◽  
Dielectric Barrier Discharge ◽  
Diesel Engines ◽  
Thermal Plasma ◽  
Barrier Discharge ◽  
Dielectric Barrier ◽  
Marine Diesel ◽  
Non Thermal Plasma ◽  
Oxide Removal

The experimental study on exhaust denitration is carried out by using dielectric barrier discharge (DBD) reactor to generate non-thermal plasma (NTP).

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