Arkhangelsk State Technical University Department of forestchemical production

Arkhangelsk State Technical University

Department of forest-chemical production Education activity Research directions Wood pyrolysis Wood and waste products pyrolysis Woos extractive substances Obtaining of carbon and carbonic-mineral Adsorbents from wood waste processing Chemical production processes and devices General chemical technology Wood extractive substances educing and processing (including tall oil) Industrial emissions treatment and recuperation Industrial safety Treatment sewage and sludge processing

Wood pyrolysis Oxidative pyrolysis Liquid pyrolysis products using and treatment Combined pyrolysis Catalytic adsorbent synthesis-purolysis Unwood waste pyrolysis -carbonization Autopyrolysis

Laboratory of technical-ecological researchs Biological sewage treatment Sewage sludge treatment Adsorptive methods of sewage treatment

Secondary resources classification depending on their potential value for processing by pyrolysis

loss BOD, % Biosorptive sewage treatment 1 – without sorbent 2 – industrial sorbent 3 – laboratory sorbent 4 – OU-A days

loss COD, % compacting degree loss BOD, % AS concentration, g/l Biosorptive sewage treatment airing duration, h 1 – without sorbent 2 – industrial sorbent sedimentation duration, h 3 – laboratory sorbent 4 – OU-A

Adsorbent magnetic receptivity p. H = 5. 0; agents Fe 2(SO 4)3 + NH 4 OH; dose 30 % by Fe 2 O 3 Precipitation

Adsorbent magnetic receptivity p. H = 5. 0; agents Fe 2(SO 4)3 + NH 4 OH; dose 30 % by Fe 2 O 3 Impregnation

Characteristic of hydrolytic lignin adsorbents porous structure Agent T, o. C Pore volume, cub. sm/g Vmi Vme Vma Vtotal Ssp, sq. m/g Sme, sq. m/g rmi, mm d, nm Fe. Cl 3 920 800 0. 16 0. 15 0. 29 0. 21 0. 68 0. 62 1. 13 0. 98 413 410 73. 1 69. 7 0. 44 0. 40 0. 21 0. 00 Fe 2(SO 4)3 920 800 0. 19 0. 21 0. 17 0. 09 0. 31 0. 30 0. 67 0. 60 448 510 26. 8 35. 6 0. 51 0. 48 0. 00

Porous structure of activated carbon «Carbolin» Production conditions № Tpp, o. C DNa. OH /HL, Porous structure characteristic Eads, Vmi, Vme, Vtotal, Sme, g/g Tact, o. C k. J-moth cub. sm/g sq. m/g 1 400 1. 7 14. 6 1. 18 0. 01 1. 19 — 2 400 1. 7 650 19. 0 1. 02 0. 02 1. 04 — 3 400 1. 7 600 14. 5 0. 82 0. 02 0. 84 — 4 300 2. 0 750 15. 6/11. 5 0. 49/0. 34 1. 17 82 5 300 2. 0 700 14. 0 0. 96 0. 29 1. 25 260 6 300 2. 0 600 14. 4 0. 96 0. 01 0. 97 — 7 300 1. 7 600 15. 7 0. 90 0. 05 0. 95 —