(best examples and good practices) on household organic waste ...

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Anaerobic digestion also produces digestate, which is an excellent fertilizer.
389,350 tons of digestate was produced in 2008, of which 96 percent was used
in farming. The remaining 4 percent was either dehydrated <strong>and</strong>/or processed
with after-composting.
The compost produced at plants (Table 6.) is mainly used as soil improver or in
soil mixtures. Plants which produce compost or digestate from source
separated bio-waste, including food waste from the food industry, can have
their product quality marked. The quality assurance system has been developed
by Avfall Sverige, among others. (AÖS., 2009)
2004 2005 2006 2007 2008
Anaerobic
digestion
244,374 258,071 283,729 356,087 405,580
Composting 389,384 459,827 452,388 515,294 568,700
Total biological
treatment
633,758 717,710 736,117 871,380 974,280
of which food
waste
Total quantity
of household
waste treated
biologically
107,028 118,960 134,994 166,807 162,680
433,830 454,450 469,877 561,303 597,280
(Table 6.): waste treatment statistics
(AÖS., 2009)
Certification places requirements on the entire waste management chain, from
the incoming waste to the final product. A number of plants are currently going
through the process of having their products certified. Eight biogas plants <strong>and</strong>
three composting plants have obtained certificates. A voluntary undertaking to
minimize the emissions from biogas <strong>and</strong> upgrading plants was initiated by