Elaborating recommendations for filter-presses output increase at oil antisludge additive VNIINP-360 plant, Report by project XD 7523. Novopolotsk, NPI (1975), Reg. #GR 75005237, Inv. No. B 569849, 110 pp. (Grant of Novopolotsk Oil Refinery Plant).

Elaborating of technical conditions for applying adsorbents and automatic control in filter process with the purpose of filtering equipment output increase, Report by project XD 7633, Novopolotsk, NPI (1976), 44 pp. (Grant of Novopolotsk Oil Refinery Plant).

Purification of solutions for oiling glass fibres, Report by project XD 7860, Novopolotsk, NPI (1978), Reg. # GR 78014157, Inv. No. B 725131, 65 pp. (Grant of Polotsk Glass Fibres Producing Plant).

Water preparation for glass fibres oiling solution, Report by project XD 78101, Novopolotsk, NPI (1979), Reg. # GR 79016452, Inv. No. B 802984, 41 pp. (Grant of Polotsk Glass Fibres Producing Plant).

Research into recycled xylol properties and search for methods of its purification in motor oil antisludge additive production, Report by project XD 79119, Novopolotsk, NPI (1979), Reg. # GR 79059971, Inv. No. B 818635, 60 pp. (Grant of Kiev All-Union Research Petrochemical Institute).

Industrial improvement of alkenylsucciniteanhydride filtration, Report by project XD 7723, Novopolotsk, NPI (1977), Reg. # GR 77019165, Inv. No. B 651879, 155 pp. (Grant of Novopolotsk Oil Refinery Plant).

Yelshin, A., 1980, Purification process investigation of alkenylsucciniteanhydride, Abstract of Doctor Degree (PhD), Bylorussian Technological Institute, Minsk, 19 pp.

Yelshin, A., 1980, Purification process investigation of alkenylsucciniteanhydride, Theses of Doctor Degree (PhD), Bylorussian Technological Institute, Minsk, 163 pp.

Chemical technology apparatus optimisation, Report by project GB 0576, Novopolotsk, NPI (1980), Reg. # GR 76048780, Inv. No. B 934513, 39 pp. (Grant of Ministry of Education).

Purification quality improvement of motor oil antisludge additives (sulphonate and succinimide) by filtration, Report by project XD 7894, Novopolotsk, NPI (1980), Reg. # GR 79021735, Inv. No. B 926291. 106 pp. (Grant of Novopolotsk Oil Refinery Plant).

Mathematical and physical simulation of cake filtration, Report by project GB 0180, Novopolotsk, NPI (1981), Reg. # GR 80007673, Inv. No. B 946063, 37 pp. (Grant of Ministry of Education).

Elaborating of the plant for producing super plasticizers for concrete mixtures, Report by project XD 8330, Novopolotsk, NPI (1984), Reg. # GR 0183.0069402, Inv. No. 02840059773, 50 pp. (Grant of Ministry of Construction Industry).

Elaborating of recommendations for filtration of yeast sludge produced on oil n-olefin basis, Report by project XD 8415, Novopolotsk, NPI (1985), Reg. # GR 01840037986, Inv. No. 02850036026, 72 pp. (Grant of All-Union Research Institute of Biotechnology, Moscow).

Elaborating of recommendations for filtration of amino acid suspensions, Report by project XD 8529, Novopolotsk, NPI (1985), Reg. # RG 01850065791, Inv. No. 02860050618, 35 pp. (Grant of All-Union Research Institute of Biotechnology, Moscow).

Physical and Mathematical Simulation of filtration processes, Report by project GB 0481, Novopolotsk, NPI (1986), Reg. # GR 81006066, Inv. No. 02860039735, 63 pp. (Grant of Ministry of Education).

Recommendations for filtration of bio-suspensions of microbiological industry, Report by project XD 8608, Novopolotsk, NPI (1985), Reg. # GR 01850023020, Inv. No. 02860065516, 50 pp. (Grant of All-Union Research Institute of Biotechnology, VNIIBIOTECHNIKA, Moscow).

Working-out of recommendations for purification methods of solutions for cellulose hydrolytic plant, Report by project XD 8621, Novopolotsk, NPI (1987), Reg. # GR 01860029178, 102 pp. (Grant of All-Union Research Institute of Microbiological Industry, Minsk)

Elaborating of bio-suspensions thickening method, Report by project XD 8620, Novopolotsk, NPI (1987), Reg. # GR 01860029177, 89 pp. (Grant of All-Union Research Institute of Microbiological Industry, Misk).

Elaborating of correction method for automation cellulose slurry quality control device UFSM with account of screen clogging, Report by project XD 8603, Novopolotsk, NPI (1986), Reg. # GR 01860021730. 102 pp. (Grant of Central Technological and Design Bureau of Cellulose-Paper Producing Industry, Kiev).

Investigation filtration process, elaborating new equipment, design methods and optimisation, Report by project GB 1286, Novopolotsk, NPI (1991), Reg. # GR 01.86.0029179, 63 pp. (Grant of Ministry of Education).

Working-out methods and technology of lead extraction from sludge of waste lead accumulators, Report by project, Novopolotsk, NPI (1992), 54 pp. (Grant of firm "Market").

Boron extraction from solid boron containing wastes of gas purification system of glass furnaces, Report by project (1992), 87 pp. (Grant of firm "Market").

Elaboration producing technology of a flocculant on the polyacrylamide basis, Report by project (1992), 58 pp. (Grant of firm "Market").

Research of dispersed systems forming highly compressible cakes, Report by project GB 1392, Novopolotsk, NPI, (1992), 65 pp. (Grant of Ministry of Education and Science).

Development of research basis for industrial dewatering technology of sapropel, Report by project GB 0693, Novopolotsk, Polotsk State Univ. (1993), 95 pp. (Grant of Ministry of Education and Science).

Elaborating Fe contents wastewater dewatering technology for water purification plant of Novopolotsk, Report by project, Novopolotsk, Polotsk State Univ. (1994), 98 pp.

Investigation of physico-chemical processes in heterogeneous systems and theirs separation methods with using porous media, Report by project GB 1694, Novopolotsk, Polotsk State Univ. (1994), 100 pp. (Grant of Ministry of Education and Science).

Development of New Coagulants for Tertiary Wastewater Treatment (Filtration Aspects in Environmental Application), Final Report on NATO Science Fellowships Program Grant, Technical University of Crete, Chania, Greece, March, 1995, 37 pp.

Investigation solid/liquid separation processes, Report by project GB 1694, Novopolotsk, Polotsk State Univ. (1995), 10 pp. (Grant of Ministry of Education and Science).

Water purification from heavy metal ions by using porous media, Report by project GB 0695, Novopolotsk, Polotsk State Univ. (1995), 50 pp. (Grant of Ministry of Education and Science).

Collection and Provision of Some Information about Renewable Energy Sources for the Major Former USSR Countries, Report by the contract of Center for Renewable Energy Sources, Pikermy, Greece (1995), 26 pp.