Semyon Volfkovich

Semyon Isaakovich Volfkovich was an outstanding Soviet chemist, inorganic chemist, technologist, Doctor of Chemical Sciences (1934), member of the Academy of Sciences of the Soviet Union. He was engaged in the technology of production of mineral fertilizers, studied the processes of electrothermal sublimation of phosphorus. He developed an industrial scheme for producing potassium salts from sylvinite and a new technology for producing concentrated phosphate fertilizers. He was the first in the USSR to conduct research on fluoride gases utilization, to study the processes of processing mirabilite into soda and ammonium sulfate. He studied the catalytic and other properties of aluminum-, boron-, iron-phosphates.