Preliminary research of digestate pulp from biogas plant and its composts as potential organic fertilizers

Pilarska, Agnieszka A.; Wolna-Maruwka, Agnieszka; Piechota, T.; Pilarski, Krzysztof; Szymańska, Magdalena; Wolicka, Dorota

doi:10.17306/j.npt.2015.2.19

Cited by 3 publications

(4 citation statements)

References 17 publications

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“…The observed effect increased with increasing doses of the fermentation residues. Similar results were obtained by Pilarska et al [18]. Even after the application of the highest dose, the content of the total of all examined heavy metals was less than the acceptable content of the soil, both in Poland and in the European Union.…”

Section: Soil Chemical Propertiessupporting

confidence: 89%

“…Moreover, Bardgett and Wardle [17] found that the application of biogas fermentation residues to soil should accurately follow precise agricultural practice bearing in mind the ready availability of N and the crop N demand so as to avoid N loss as NO3 -, which could be drained into surface waters, leached into ground waters, or denitrified into gaseous forms. An application of fermentation residues results in the introduction of nutrients into the soil in the forms readily available to plants [18]. This may limit the consequential effects of these fertilizers' activity.…”

Section: Soil Chemical Propertiesmentioning

confidence: 99%

“…According to Cybulska et al [24], then effect of fermentation residue from biogas plant on the biological properties of the soil depends on the timing of components released from the bio-waste. Moreover, the level of enzymatic activity occurring in fermentation residues is determined by the type of components and processes which they undergo [18]. Concentration of residues (g·kg -1 DM)…”

Section: Soil Biological Propertiesmentioning

confidence: 99%

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Integrated assessment of soil quality after application of the biogas fermentation residues – a laboratory experiment

et al. 2017

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Abstract. The aim of study was to determine the impact of three different biogas fermentation residues on some chemical and biochemical characteristics in sandy soil. The laboratory experiment was carried out on loamy sand. Residues were added to soil samples in the forms of pulp, drought, and granulate at dosages of 10, 50, and 100 g·kg -1 . The reference was the soil sample without residues. On day 28, the content of macroelements and heavy metals was determined. In addition, on days 1, 7, 14, 28, and 56, the content of biomass and the activities of some hydrolases and oxidoreductases were assayed. Results showed that the application of all fermentation residues caused an increase in most of the chemical parameters. The highest impact on pH and the content of Ctot, Ntot, Stot, K, and P was observed in the soil treated with granulate, whereas the increase in the content of heavy metals was the highest after the drought application. The effect of biogas fermentation residues on all hydrolases and o-diphenol oxidase activities was mostly significant, but depended on the kind of residues and the day of experiment. Biomass content and the activity of dehydrogenase were increased in the whole experiment.

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Section: Soil Chemical Propertiessupporting

confidence: 89%

Section: Soil Chemical Propertiesmentioning

confidence: 99%

Section: Soil Biological Propertiesmentioning

confidence: 99%

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Integrated assessment of soil quality after application of the biogas fermentation residues – a laboratory experiment

et al. 2017

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“…Analysis of the content of nutrients and heavy metals is necessary during the preparation of their appropriate doses, and the chemical composition of the digestate pulp depends mainly on the substrate used (Pilarska et al 2015). The chemical composition of digestate pulp compost based on glycerine and stillage is presented in Table 2.…”

Section: Post-fermentation Pulp Compostmentioning

confidence: 99%

Gospodarka Surowcami Mineralnymi - Mineral Resources Management

Smol¹,

Szołdrowska²

2021

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an analysis of the fertilizing potential of selected waste streams -municipal, industrial and agricultural introduction At present, the European Commission (EC) strongly underlines the need to move from the liner economic model to a circular economy (CE) model, in which raw materials are used in the economy as much as possible, and waste is treated as a secondary raw material (Michelini et al. 2017). The CE was officially adopted as the European economic model in 2014, when the first communication on the CE was announced "Towards a Circular Economy: a zero waste Program for Europe" (COM no. 398, 2014). It indicated that the change of the system could allow for the reuse of waste and create a new value. However, this would include changes throughout the whole value chain, based on the waste hierarchy that favors waste prevention and discourages waste disposal. The second important document related to the CE was the CE action Plan, entitled "Closing the loop -an EU action plan for the Circular Economy" (COM no. 614, 2015). it defined a specific set of actions for the transition

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