Effect of demineralization on brown coal pyrolysis under laser pulses influence

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Abstract

The formation of pyrolysis gaseous products from initial and demineralized tableted brown coal microparticles under the influence of microsecond laser pulses (1064 nm, 120 μs, 6 Hz, 0.3–1.9 J/cm²) was studied. When the threshold values of the energy density of laser pulses are exceeded, the formation of gases H2, CH4, CO and CO2 begins. Their concentration increases linearly with the growth of the energy density H. The rate of formation of H2 is 3.5 times higher for demineralized samples than for the initial ones.

About the authors

B. P. Aduev

The Federal Research Center of Coal and Coal-Chemistry of Siberian Branch, Russian Academy of Sciences

Email: lesinko-iuxm@yandex.ru
Kemerovo, Russia

V. D. Volkov

The Federal Research Center of Coal and Coal-Chemistry of Siberian Branch, Russian Academy of Sciences

Kemerovo, Russia

N. V. Nelyubina

The Federal Research Center of Coal and Coal-Chemistry of Siberian Branch, Russian Academy of Sciences

Kemerovo, Russia

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