Applicability of biogas digestate as solid fuel

Kratzeisen, M.; Starcevic, Nikica; Martinov, Milan; Maurer, Claudia; Müller, Joachim

doi:10.1016/j.fuel.2010.02.008

Cited by 145 publications

(70 citation statements)

References 2 publications

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“…This gets aggravated during co-digestion with waste from food processing and slaughter houses [19,29]. On average, an AD plant with 500 kW power generating capacity yields over 10,000 t of digestate per year with a dry matter content of about 10% [30,31]. Its main components are water, nitrogen in ammonium form, phosphorus, potassium, magnesium, calcium, and non-decomposed lignocelluloses.…”

Section: Lateral Issues Of Environmental Concern For Ofmsw Digestionmentioning

confidence: 99%

Emerging perspectives on environmental burden minimisation initiatives from anaerobic digestion technologies for community scale biomass valorisation

Tiwary

Williams

Pant

et al. 2015

Renewable and Sustainable Energy Reviews

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This paper provides an extensive review of anaerobic digestion (AD) systems, with a specific focus on community scale digesters for urban applications, processing either municipal organic waste exclusively or as mix feed. Emphasis is placed on reducing the systems scale environmental impact of AD technologies, including pre-and post-treatment stages, alongside biogas production. Developments to-date in AD system research in Europe and in the Asia region have been compared, providing a comprehensive evaluation of current practice, elucidating the areas of further potentials.The scope of this review is two-fold -one, covering AD technologies including a cohort of simple and integrated wet and dry systems, which can be operated as continuous flow designs in single-or multi-stages. Two, focusing more on practices in digestate handling that minimise environmental impacts arising from their storage and land application. From an environmental perspective, we note the following trends emerging in the literature for processing urban waste that need further exploitation: dry AD (60-85% moisture) is suitable for low organic loads, mainly owing to resource savings in terms of water usage; co-digestion has shown better buffering capability, especially for two-stage digestion of food-based feed stocks; separating the digestate into liquid/solid fractions is effective for handling postdigestion emissions, mainly for mitigating ammonia volatilisation to air and phosphate leaching to soil.We report responses to a survey, conducted for this review, highlighting the contemporary issues and challenges -with particular focus on the operational, social and management issues from an Indian perspective. There is need for follow-up of running plants to ensure their environmental performance. Such initiatives will have to consider managing of pollution footprints from AD, alongside the current drive for its widespread implementation for two incentives: greenhouse gas mitigation and fossil-fuel independence.

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Section: Lateral Issues Of Environmental Concern For Ofmsw Digestionmentioning

confidence: 99%

Emerging perspectives on environmental burden minimisation initiatives from anaerobic digestion technologies for community scale biomass valorisation

Tiwary

Williams

Pant

et al. 2015

Renewable and Sustainable Energy Reviews

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“…Kratzeisen et al (2010) used liquid digestate originated from silage maize co-digestion with different field crops and animal residues. After drying the digestate, the water content of pellets made was 9.2-9.9%.…”

Section: Future Prospectsmentioning

confidence: 99%

Digestate: A New Nutrient Source - Review

Makádi¹,

Tomócsik²,

Orosz³

2012

Biogas

114

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“…The classification of digestate is problematic too, since it can be classified as waste, by-product or sometimes fertilizer [13]. Taking the above into consideration, there occurs a real need for a waste-free technology to be used in agricultural biogas plants that would enable proper digestate management [14]. Digestate mass has some beneficial properties and its proper exploitation could bring some additional income to the biogas plant owner.…”

Section: Introductionmentioning

confidence: 99%

Sustainability Biogas Production from Ensiled Plants Consisting of the Transformation of the Digestate into a Valuable Organic-Mineral Granular Fertilizer

et al. 2018

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Abstract:The research concerned the elaborate of non-waste biogas production technology based on the development of digestate from anaerobic digestion. In the anaerobic digestion process, the substrates of plant origin in the form of silage were used. The digestate obtained after biogas production was processed using the ORTWED method into a valuable granulated organic-mineral fertilizer, which contains a solid fraction of digestate, calcium and biogenic elements. This method can be successfully applied in agriculture in the context of its sustainable development due to the growing problem of utilization of digestate forming in agricultural biogas plants.

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Applicability of biogas digestate as solid fuel

Cited by 145 publications

References 2 publications

Emerging perspectives on environmental burden minimisation initiatives from anaerobic digestion technologies for community scale biomass valorisation

Emerging perspectives on environmental burden minimisation initiatives from anaerobic digestion technologies for community scale biomass valorisation

Digestate: A New Nutrient Source - Review

Sustainability Biogas Production from Ensiled Plants Consisting of the Transformation of the Digestate into a Valuable Organic-Mineral Granular Fertilizer

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