Abstract
Many different processes are used to treat raw natural gas to pipeline quality. The sulfur is commonly present as an impurity in fossil fuels. Magnetic field is applied in a fluidized bed which contains nano activated carbon to investigate hydrogen sulfide elimination, in this paper. Sulfur removal in this way is presented experimentally and theoretically. The rate of mass transfer is introduced as function of gas temperature, amount of balls covered by nano carbon tubes, initial concentration of hydrogen sulfide, gas flow rate and also, magnetic field. The experimental data are presented and compared with the model results. The effect of hydrogen sulfide in the inlet sour gas on the mass flow rate in investigated in this paper. In addition, the effect of porosity percentage of catalytic bed on the hydrogen sulfide content of outlet gas is evaluated in this paper. The outlet concentration below 4 ppm is acceptable result due to commercial rules. The experimental data are in higher values of hydrogen sulfide comparing with the ones from modeling data.
Highlights
There are different types of sour gas
Inlet sour gas contains 148 ppm H2S, temperature of 30 C is fed into the catalytic bed with 0.48 m3/m3 porosity and magnetic field occurred with current of 1 A
Fluidized bed equipped with magnetic field which contains nano carbon tube is used to remove hydrogen sulfide from sour natural gas
Summary
There are different types of sour gas. The sulfur element and related compounds approach sweet gas to the sour gas. Sulfur is present mainly as hydrogen sulfide gas (H2S), while in crude oil it is present in sulfur-containing organic compounds which are converted into hydrocarbons and H2S during the hydro desulphurization [9,10,11,12,13]. In both cases, corrosive, highly-toxic H2S gas must be converted into elemental sulfur and removed for sale or safe disposal [14,15,16].
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