Journal article Open Access

Valorization of the poultry litter through wet torrefaction and different activation treatments

P. J. Arauzo; P. A. Maziarka; M. P. Olszewski; R. L. Isemin; N. S. Muratova; F. Ronsse; A. Kruse


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    "doi": "10.1016/j.scitotenv.2020.139288", 
    "description": "<p>The increase in volume in bio-waste is inseparable from the production of biomass derived commodities. To reduce<br>\nthe use of conventional resources, the valorization of waste streams is gaining importance, and the<br>\nvalorisation of poultry litter fits perfectly into such scheme. This study shows a possible valorization of wet<br>\ntorrefied (300 &deg;C) poultry litter (WTPL) through activation and its further use as a fertilizer, and as a wastewater<br>\nmicro-pollutant absorbent. The WTPL was activated thermally, physically (CO2) and chemically (KOH) at two<br>\ndifferent temperatures (600 &deg;C and 800 &deg;C) and 30 min residence time. The properties of ACs were evaluated<br>\nbased on results of the elemental and proximate analysis, suspension pH measurement, ICP-OES, FT-IR, N2 and<br>\nCO2 adsorption and quantity of absorbed methylene blue (MB). The yields in thermal and physical ACs were<br>\ncomparable, but much higher than ACs from chemical activation (c.a. 50% and 15% at 600 &deg;C and c.a. 47% and<br>\n6.5% at 800 &deg;C). The thermal and physical ACs showed good suitability for application as a fertilizer due to their<br>\nhigh macro- and micro-nutrients and low heavy metals concentration. Carbons activated with KOH proved<br>\ntheir usefulness as wastewater pollutant absorbers through high MB&#39;s absorption (675.8 mg/g for 600 &deg;C and<br>\n872.8 mg/g for 800 &deg;C). Results state that the valorization of PL through activation is possible, and the selection<br>\nof the activation method affects the final application of obtained material.</p>", 
    "license": {
      "id": "CC-BY-4.0"
    }, 
    "title": "Valorization of the poultry litter through wet torrefaction and different activation treatments", 
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        "title": "\"Marie Curie Actions in Horizon 2020: regional and international impact\"", 
        "acronym": "MC2020", 
        "program": "FP7", 
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          "name": "European Commission", 
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    "keywords": [
      "Poultry litter", 
      "Wet torrefaction", 
      "Activated carbon", 
      "Physical activation", 
      "Chemical activation", 
      "Water treatment"
    ], 
    "publication_date": "2020-05-11", 
    "creators": [
      {
        "affiliation": "University of Hohenheim", 
        "name": "P. J. Arauzo"
      }, 
      {
        "affiliation": "Ghent University,", 
        "name": "P. A. Maziarka"
      }, 
      {
        "affiliation": "University of Hohenheim", 
        "name": "M. P. Olszewski"
      }, 
      {
        "affiliation": "Tambov State Technical University", 
        "name": "R. L. Isemin"
      }, 
      {
        "affiliation": "Tambov State Technical University", 
        "name": "N. S. Muratova"
      }, 
      {
        "affiliation": "Ghent University,", 
        "name": "F. Ronsse"
      }, 
      {
        "affiliation": "University of Hohenheim", 
        "name": "A. Kruse"
      }
    ], 
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