Life cycle assessment of biological pig manure treatment versus direct land application − a trade-off story

Corbala-Robles, L.; Sastafiana, W. N. D.; linden, Veerle Van; Volcke, Eveline; Schaubroeck, Thomas

doi:10.1016/j.resconrec.2017.12.010

Cited by 51 publications

(20 citation statements)

References 40 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Although phosphorus recovery and reuse is of great importance to reduce phosphate rock dependency and also to avoid pollution of water resources, P recovery is barely carried out currently due to the higher production costs of recovered P compared to those of mined P (Egle et al, 2016;Peng et al, 2018). Nevertheless, if the social and environmental benefits of P recovery are quantified, the economic balance turns in favor of P recovery (Molinos-Senante et al, 2011;Mayer et al, 2016;Corbala-Robles et al, 2018). Contrary to phosphorus, N can be considered as a renewable resource but its conversion into fertilizer by means of the Haber-Bosch process requires a high amount of energy, with its cost dependent on the price and supply of natural gas (Zarebska et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Nitrogen and Phosphorus Recovery From Anaerobically Pretreated Agro-Food Wastes: A Review

Campos

Crutchik

Franchi

et al. 2019

Front. Sustain. Food Syst.

View full text Add to dashboard Cite

Anaerobic digestion (AD) is commonly used for the stabilization of agro-food wastes and recovery of energy as methane. Since AD removes organic C but not nutrients (N and P), additional processes to remove them are usually applied to meet the stringent effluent criteria. However, in the past years, there was a shift from the removal to the recovery of nutrients as a result of increasing concerns regarding limited natural resources and the importance given to the sustainable treatment technologies. Recovering N and P from anaerobically pretreated agro-food wastes as easily transportable and marketable products has gained increasing importance to meet both regulatory requirements and increase revenue. For this reason, this review paper gives a critical comparison of the available and emerging technologies for N and P recovery from AD residues.

show abstract

Section: Introductionmentioning

confidence: 99%

Nitrogen and Phosphorus Recovery From Anaerobically Pretreated Agro-Food Wastes: A Review

Campos

Crutchik

Franchi

et al. 2019

Front. Sustain. Food Syst.

View full text Add to dashboard Cite

show abstract

“…LF was obtained by separating the solid fraction from raw pig manure by centrifugation. This process reduces the P content in the LF [23]. Subsequently, the ammonia of the LF was nitrified and denitrified in separate tanks during the biological treatment, resulting in the BE stream with a reduced N content [23].…”

Section: Growing Mediummentioning

confidence: 99%

Lemna minor Cultivation for Treating Swine Manure and Providing Micronutrients for Animal Feed

Devlamynck

Souza

Leenknegt

et al. 2021

Plants

View full text Add to dashboard Cite

The potential of Lemna minor to valorise agricultural wastewater into a protein-rich feed component to meet the growing demand for animal feed protein and reduce the excess of nutrients in certain European regions was investigated. Three pilot-scale systems were monitored for nine weeks under outdoor conditions in Flanders. The systems were fed with a mixture of the liquid fraction and the biological effluent of a swine manure treatment system diluted with rainwater in order that the weekly N and P addition was equal to the N and P removal by the system. The design tested the accumulation of elements in a continuous recirculation system. Potassium, Cl, S, Ca, and Mg were abundantly available in the swine manure wastewaters and tended to accumulate, being a possible cause of concern for long-operating recirculation systems. The harvested duckweed was characterised for its mineral composition and protein content. In animal husbandry, trace elements are specifically added to animal feed as micronutrients and, thus, feedstuffs biofortified with essential trace elements can provide added value. Duckweed grown on the tested mixture of swine manure waste streams could be considered as a source of Mn, Zn, and Fe for swine feed, while it is not a source of Cu for swine feed. Moreover, it was observed that As, Cd, and Pb content were below the limits of the feed Directive 2002/32/EC in the duckweed grown on the tested medium. Overall, these results demonstrate that duckweed can effectively remove nutrients from agriculture wastewaters in a recirculated system while producing a feed source with a protein content of 35% DM.

show abstract

“…Його або спалюють для отримання теплової енергії, або отримують електричну енергію, яку продають за «зеленим тарифом» (Henning et al, 2014;Hengeveld et al, 2016). Останнє є найефективнішим з огляду на економічні показники (Börjesson & Ahlgren, 2012).…”

Section: вступunclassified

“…Така технологія є не лише екологічно, але і економічно виправданою, про що свідчать прискорені темпи будівництва біогазових установок, у тому числі, в Україні (таблиця 2) (Derzhavne agentstvo …, 2020 Тому метою роботи було дослідження методів екологічної біотехнології, а саме метанової ферментації гнойових стоків свиноферм, що дасть можливість отримання із відходів біопалива для заміни вичерпних джерел енергії та збродженої біомаси, збагаченої цінними біокомпонентами (Corbala-Roblesa et al, 2018;Ghirardinia et al, 2020).…”

Section: вступunclassified

Methane Fermentation of Pig Stock

Bublienko¹,

Semenova²,

Lavryniuk³

2020

View full text Add to dashboard Cite

Pig farms are a significant source of environmental pollution, since their activity is accompanied by the generation of large volumes of concentrated waste and wastewater. Particularly dangerous for the environment are sewage effluents, which are characterized by a high content of contaminants. Therefore, it is urgent to solve the problem of biotechnological utilization of liquid waste of pig farms, which, through the use of biogas, would not only improve the local environmental situation, but would also be economically viable. The purpose of the work is to study modern methods of ecological biotechnology, namely methane fermentation of manure waste from pig farms. This will solve the problem of wastewater disposal, while ensuring the production of a significant amount of biogas and of fermented biomass, which is a fertilizer. The authors determined that the slurry is subjected to continuous methane fermentation at a temperature of 45°C. Methane digestion of the substrate with a moisture content of 96,1; 93,8 and 91,12 % were carried out at the dilution rates of 4,2•10-3 , 5,0•10-3 , 6,3•10-3 h-1. The amount of biogas synthesized per unit of dry matter loaded (DMloaded) depends largely on concentration and dilution rate. The maximum production of biogas (220 dm 3 /kg DMloaded) was recorded at a dilution rate of 4,2•10-3 h-1. The methane content of biogas was 70-78 % depending on the substrate concentration and process conditions, which testifies to its full use as fuel. The pH of the culture fluid ranged from 7,5 to 8,5 and did not require artificial regulation. Reducing the intensity of the process of purification by chemical oxygen demand (COD) has a direct dependence on the substrate moisture and reversed the speed of dilution. The highest purification efficiency (88,92 %) was achieved when the substrate was digested with maximum humidity (96,1 %) and the lowest dilution rate (4,2•10-3 h-1). The following forms of vitamins of the cobalamin group have been found in fermented biomass: B12 and factor III, which are active forms of the vitamin, and factor B is inactive, with a large number of them. The total content of vitamins largely depends on the characteristics of the substrate (type and concentration of pollutants), fermentation parameters, etc. and ranges from 21,23 to 43,74 mkg/g DM.

show abstract

Life cycle assessment of biological pig manure treatment versus direct land application − a trade-off story

Cited by 51 publications

References 40 publications

Nitrogen and Phosphorus Recovery From Anaerobically Pretreated Agro-Food Wastes: A Review

Nitrogen and Phosphorus Recovery From Anaerobically Pretreated Agro-Food Wastes: A Review

Lemna minor Cultivation for Treating Swine Manure and Providing Micronutrients for Animal Feed

Methane Fermentation of Pig Stock

Contact Info

Product

Resources

About