A collection of articles "Methods and technology of modern petrochemical and oil-and-gas production" was issued in the scope of the 2^nd Scientific and Technical Conference dedicated to the 70^th anniversary of Omsk State Technical University. An article "Especially pure trichlorosilane production technology" written by Yaritsa V. A., Cryogaztech LLC employee, was published in this collection. Especially pure trichlorosilane is used for production of polycrystalline silicon (PCS) of high purity (99.999 %, 99.9999 % and higher). PCS is used for production of electronic components, photoelectric transducers, solar cells and panels.