Table 3. Examples of fungi used to treat wood processing wastewaters. Optimal culture condition and the effect of fungal pretreatment are reported.
Effluents
|
Fungi
|
Treatment
|
References
|
|
|
Reactor and medium handling |
Parameters |
|||
|
Wood
processing wastewaters |
Sporotichum pulverulentum
(P. chrysosporium) |
Batch reactor (25 m3); continuous
laboratory fermentor (10 l) |
Biomass (5.7 g l-1); Protein (42%);
Protein productivity (132 mg l-1); cellulase (0.2 U ml-1);
Suspended particles (88%); BOD 73%); COD 52%); feedstuff (rat, pigs and
sheep) |
Ek and Eriksson (1980); Thomke and Rundgreen (1980) |
|
A. foetidus |
Shake-flask; dilution (10%) |
Decolorization (90%, 2 d) |
Sumathi and Phatak (1999) |
|
C.
versicolor;
P.
chrysosporium; Pleurotus ostreatus; polyporus versicolor
|
Shake-flask; immobilization in beads of Ca-alginate
gel; dilution (16.7%); co-substrates (sucrose 0.5%, xylose, glucose,
glycerol, ethanol) |
Decolorization of suspended biomass (60%, 6 d);
decolorization of immobilized biomass (80%, 3 d) |
Livernoche et al (1980); Marwaha et al. (1998) |
|
P.
chrysosporium; Phanerochaete flavido-alba
|
Shake-flask; co-substrate (glucose); Mn (0.3 mg l-1);
culture age |
Decolorization (88%), LiP (450 nmol min-1
ml-1); MnP (800 nmol min-1 ml-1) |
Perez et al. (1997) |
|
P.
chrysosporium; Ganoderma australe; Coriolopsis gallica ; Paecilomyces
variotii
|
Shake-flask |
P. chrysosporium (decolorization, 50%, 7 d; lignin
pyrolisis compounds, 57% reduction;); G. australe (decolorization, 50%, 7 d; lignin
derivated compounds 48% increased ); C. gallica (decolorization, 48%, 7 d; lignin-derivated compounds
77% reduction); P. variotii (decolorization, 85%, 7 d; lignin-derivated
compounds 78% reduction) |
Calvo et al. (1995 a b) |
|
T.
versicolor
|
Shake-flask; continuous feeding bioreactor; culture
age; dilution 30%); SO4Mn (23 mg l-1); co-substrate
(glucose, 0.3%; sucrose; starch; ethanol, carboxymethyl-cellulose; pulp
and bagasse pith) |
Decolorization (90 %, 9 d) Lacc (700 U l-1, 10
d); MnP (25 U l-1, 7 d); phenols (90%); COD (69%) |
Manzanares et al.
(1995); Mehna et al. (1995) |
|
|
Sordaria fimicola; Halosarpheia ratnagiriensis |
Shake-flask; pH (4.5; 8.2) |
S. fimicola
(decolorization, 55%, Lacc
(100 nkatal ml-1));
H. ratnagiriensis (decolorization,
85%; Lacc (100
nkatal ml-1)) |
Raghukumar et al. (1996) |
|
Ceriporopsis
subvermispora; R. oryzae
|
Shake-flask; co-substrat (glucose, 0.1%; sucrose;
lactose; microcrystalline cellulose; carboxymethyl cellulose; xylose;
starch; athyl alcool; bagasse pith; cheese whey; prehydrolysate liquor;
molasses) |
Color (90%); COD (45%); lignin (62%);
AOX (32%); EOX (36%) |
Nagarathnamma et al. (1999); Nagarathnamma and
Bajpai (1999) |
|