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  • 1990-1994  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Bamboo as a support material in anaerobic reactors (1993)
    Springer
    World journal of microbiology and biotechnology 9 (1993), S. 229-232 
    Details
    ISSN: 1573-0972
    Keywords: Anaerobic ; bamboo ; support material ; wastewater treatment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract The changes in 2.5-cm thick bamboo rings during their use as a support material in an anaerobic reactor show that the wash out and degradation processes are largely completed within 6 months to a year. The dry mass of the bamboo used decreased more quickly in the first half of the year than during the second half and asymptotically approached a loss limit of approximately 15% (w/w). The decrease in substances contained in the bamboo during the 2-year experimental period led to reductions in wall thickness of the rings of 0.8 mm and in the absorbable pressure of 21%. Bamboo thus appears to be suitable for long-term use in an anaerobic reactor.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00327844
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  • 2
    Electronic Resource
    Electronic Resource
    Effects of different heat pre-treatments of wheat straw on its microbial activity and colonization by different tropical and sub-tropical edible mushrooms (1994)
    Springer
    World journal of microbiology and biotechnology 10 (1994), S. 374-380 
    Details
    ISSN: 1573-0972
    Keywords: Edible mushrooms ; mushroom cultivation ; Pleurotus ; substrate pre-treatment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract Quantitative differentiation of microbial activity in wheat straw substrate is described after different heat pre-treatments and addition of water during solid-state fermentation. All the 28 tested strains of tropical and sub-tropical edible mushrooms colonized sterile wheat straw. Substrate pre-treated at 25°C was primarily colonized by Coprinus sp. and other competitive microorganisms, and had the highest pH values. With some exceptions, increasing rates of growth occurred with substrate pre-treatment at 60 and 90°C. Best growth and highest speed of colonization were on sterilized straw. Heat pre-treatment of cereal straw at 60 and 90°C should be sufficient for commercial cultivation processes. Thus, a short fermentative pre-treatment could reduce the risk of infection. The strains tested do not differ significantly from those of temperate climates.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00144454
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    Paper (German National Licenses)
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