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TECHNOLOGY FOR PROCESSING WASTE OF THE PULP AND PAPER INDUSTRY INTO SOIL GROUND USING NATURAL PROCESSES

Izvestiâ Tomskogo politehničeskogo universiteta. Inžiniring georesursov, 2022-08, Vol.333 (8), p.153-162 [Peer Reviewed Journal]

ISSN: 2500-1019 ;EISSN: 2413-1830 ;DOI: 10.18799/24131830/2022/8/3658

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  • Title:
    TECHNOLOGY FOR PROCESSING WASTE OF THE PULP AND PAPER INDUSTRY INTO SOIL GROUND USING NATURAL PROCESSES
  • Author: Anastasia S. Shatrova ; Andrey V. Bogdanov ; Anna I. Shkrabo ; Olga V. Alekseeva
  • Subjects: baikal pulp and paper mill ; freezing ; lignin sludge ; pulp and paper industry ; soil ground ; waste processing
  • Is Part Of: Izvestiâ Tomskogo politehničeskogo universiteta. Inžiniring georesursov, 2022-08, Vol.333 (8), p.153-162
  • Description: The relevance. The waste of Baikal Pulp and Paper Mill causes a real danger of a social and environmental disaster for Lake Baikal and the entire Southern Baikal region, therefore, the problem of developing integrated solutions for dumping the accumulation of lignin-containing waste is especially acute. One of the promising areas for processing this type of waste is the use of natural processes, for example, freezing in winter, temperature detection or self-overgrowth of the occurrence of natural succession. The main aim of the research is to develop an environmentally friendly technology for processing colloidal lignin-containing waste from the pulp and paper industry. Methods: pilot tests at the Solzan industrial site of Baikal Pulp and Paper Mill for freezing lignin-containing wastes and obtaining soils from them by mixing with additives; performing quantitative chemical analysis using the methods of atomic absorption and atomic emission spectrometry, high performance liquid chromatography, toxicological analysis. Results. Pilot tests have shown that after freezing, the colloidal structure of lignin-containing sediments is destroyed with a decrease in volume up to 40 %, humidity up to 60 %, and also with a decrease in toxicity – from the third (moderately hazardous) to the fourth (low hazardous) and fifth class (practically non-hazardous) of hazard of the waste depending on its composition. After freezing, the resulting sludge with the introduction of various additives (CHP ash, sewage treatment plant sludge) can be used as soil ground and fertilizers for reclamation of disturbed lands and crops. Thus, an environmentally friendly technology was developed for processing waste from the pulp and paper industry to obtain soil ground, which is low-energy and does not contain expensive imported equipment.
  • Publisher: Tomsk Polytechnic University
  • Language: Russian
  • Identifier: ISSN: 2500-1019
    EISSN: 2413-1830
    DOI: 10.18799/24131830/2022/8/3658
  • Source: DOAJ Directory of Open Access Journals
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