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production class B sludge

Table 76. - List of criteria applicable to the production of a class B sludge

PSRP pathogenic germs

Table 77. - List of PSRP processes that significantly reduce pathogenic germs

carrier attraction sludge

Table 78. - Processes used to reduce carrier attraction by sludge

French and European regulations on sludge sanitization

Table 79. - Comparison between French and European regulations on sludge sanitization

Figure 36. - Pyrolyse, incineration, vitrification

Table 12. - Gasification – ash sintering: heat balance (cogeneration application)

Table 13. - Gasification – ash sintering: heat balance (heat supply application)

Figure 37. - Addition of IC 850 into a household waste grate incinerator

Figure 38. - The IC 850 injection system

Efficiency various sludges

Figure 48. - Efficiency differential of removed COD between the various sludges

Figure 1. - OM evolution during composting

Figure 49. - Relative solubility of oxygen depending on temperature

Micro-organisms active composting process

Figure 2. - Micro-organisms that are active during the composting process

Figure 50. - The specific operation of the Mineralis process

Table 1. - Main sludge composting processes

Figure 51. - Stripping ammonia and catalytic oxidation of NH3 and of VOC

Thermoposting biocontainer

Figure 3. - Cross section of a Thermoposting biocontainer

Figure 52. - Utilisation in a 40,000 p.e. wastewater treatment plant

Thermoposting- preparing sludge/co-mixture

Photo 2. - Thermoposting- preparing the sludge/co-product mixture

Figure 53. - Daily material balance (40,000 p.e. wastewater treatment plant)

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