Treatment of anaerobic digestion effluent of sewage sludge using soilless cultivation

Uchimura, Koki; Sago, Yuki; Kamahara, Hirotsugu; Atsuta, Yoichi; Daimon, Hiroyuki

doi:10.1063/1.4866619

Cited by 3 publications

(3 citation statements)

References 4 publications

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“…The application of organic fertilizers directly into organic hydroponic growing media is reported to have a phytotoxic effect due to too high concentrations of organic matter and the presence of toxic compounds such as NH3 and certain nutrients (Uchimura et al, 2014). In this experiment, the indirect application of cow dung into growing media produced enough P, K, and Fe nutrients, inhibiting plant growth.…”

Section: Discussionmentioning

confidence: 82%

“…Direct application of organic fertilizers into the planting media in an organic hydroponic system will damage plants (Shinohara et al, 2011). It is because organic fertilizers are phytotoxic due to the high organic matter content and the presence of NH3 (Shinohara et al, 2011;Uchimura et al, 2014). To overcome this problem, planting media containing organic matter must first be processed in a particular biodigester installation as a place for culturing microorganisms to degrade organic matter, releasing nutrients, and then using the biodegraded solution as an organic hydroponic growing medium (Atkin & Nichols, 2004;Mackowiak et al, 1996).…”

Section: Introductionmentioning

confidence: 99%

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Potential Utilization of Catfish Wastewater, Livestock Manure and Waste of Fish as Media and Nutrition for Organic Hydroponic

Gustiar

Munandar²,

Ammar

et al. 2022

Agritropica. J. Agr. Sci.

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Organic Hydroponics is cultivation on a planting medium without soil with a source of nutrients obtained from the decomposition of organic materials by microorganisms. Catfish cultivation wastewater and agricultural waste can be used as an alternative planting medium and a source of nutrients in organic hydroponic cultivation systems. This study aimed to determine the plant nutrient content in catfish culture wastewater added with cow dung, chicken manure, trash fish waste, and catfish waste; and to determine the growth of mustard greens and lettuce which were cultivated hydroponically in a growing medium of catfish wastewater added with cow dung, chicken manure, trash fish waste, and catfish waste. The results showed that the solution of catfish culture wastewater added with catfish waste contained nutrients N 220.0 ppm, P 166.3 ppm K 154.4 ppm Ca 65.9 ppm Fe 4.4 ppm; catfish culture wastewater added with trash fish waste contains 50.0 ppm N; P 10.8 ppm; K 173.4 ppm; Ca 219.4 ppm and Fe 3.2 ppm; catfish culture wastewater added with cow dung contained nutrients N 300.0 ppm, P 293.4ppm K 1026.8 ppm Ca 413.6 ppm Fe 64.9 ppm, while those given chicken manure included N 100.0 ppm; P 76.1 ppm; K 471.1ppm; Ca 299.9ppm and Fe 27.3ppm. While catfish culture wastewater contains 55.2 ppm of N nutrients; P 6.4 ppm; K 7.0 ppm; Ca 14.2 ppm; Fe 0.4 ppm. The growth of lettuce in the growing media of catfish culture wastewater given trash fish and catfish was relatively the same, namely 37.7% and 37.9%, respectively. Meanwhile, the growth of mustard pakcoy grown on planting media given chicken manure (47.6%) was higher than the growth of mustard pakcoy grown on cow dung (33.3%). The addition of 50% ABmix nutrients increased the growth of mustard pakcoy on media that was given chicken manure by 81.7%; pakcoy on media that was given cow dung waste by 74.8%; Meanwhile, the addition of ABmix 50% nutrients increased the growth of lettuce on media that was given catfish meal by 64.4%, and on media that was given trash fish meal by 61.9%. Research shows a high potential for using organic waste as a medium and source of organic hydroponic cultivation fertilizer.

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Section: Discussionmentioning

confidence: 82%

Section: Introductionmentioning

confidence: 99%

Potential Utilization of Catfish Wastewater, Livestock Manure and Waste of Fish as Media and Nutrition for Organic Hydroponic

Gustiar

Munandar²,

Ammar

et al. 2022

Agritropica. J. Agr. Sci.

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show abstract

“…The nutrient use efficiency and harvest when digestate was used compared to commercial fertilizers have been reported to be both higher and lower due, e.g., to different origins of the digestates ( Guilayn et al, 2019 ) but also often dependent on the control treatment used in different studies ( Liedl et al, 2004a , b ; Ronga et al, 2019 ; Pelayo Lind et al, 2020 ). Other findings where results conflict are, e.g., the benefit of the nitrification of the digestate ( Uchimura et al, 2014 ; Pokhrel et al, 2019 ; Cheong et al, 2020 ), availability of phosphorus (P) in the digestate ( Stoknes et al, 2018 ), and the effects of adding inorganic nutrients to the digestate ( Liu et al, 2009 , 2011 ).…”

Section: Introductionmentioning

confidence: 99%

Liquid Anaerobic Digestate as Sole Nutrient Source in Soilless Horticulture—Or Spiked With Mineral Nutrients for Improved Plant Growth

et al. 2022

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Digestate from biogas production high in plant-available macro- and micro-nutrients could replace mineral fertilizer in protected (soilless) horticulture. Previous uses of digestate have shown that low concentrations of plant-available phosphorus (P) and sulfur (S) may be limiting factors for growth when using digestate as the sole fertilizer. In this study, digestate collected from a municipal biogas plant in Sweden was nitrified in a moving-bed biofilm reactor prior to its use as fertilizer. A greenhouse pot trial with pak choi grown in peat-based growing medium was established to assess the (i) macro- and micro-nutrient availability in the digestate, with particular focus on P and S and (ii) the effect of amending the digestate solution with nutrients considered to be lacking [P, S, magnesium (Mg), manganese (Mn), boron (B), and molybdenum (Mo)]. The results showed that plants fertilized with raw digestate suffered from S and B deficiency and early P deficiency. Supplementing the digestate with nutrients originating from mineral salts resulted in sufficient plant tissue concentrations of all elements except S. The marketable yield was similar to that achieved using standard mineral fertilizer and the dry matter yield was 17% higher. In the light of the present results, the use of nitrified digestate in soilless plant production seems like a fruitful way forward to recycle organic nutrients from waste streams. In the case where a strict organic protocol is not needed, amendment with inorganic nutrients may be a way to increase the utilization of organically derived nutrients.

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Acidophilic nitrification of biogas digestates accelerates sustainable hydroponics by enhancing phosphorus dissolution

Sakuma

Endo²,

Shibuya³

2023

Bioresource Technology Reports

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Treatment of anaerobic digestion effluent of sewage sludge using soilless cultivation

Cited by 3 publications

References 4 publications

Potential Utilization of Catfish Wastewater, Livestock Manure and Waste of Fish as Media and Nutrition for Organic Hydroponic

Potential Utilization of Catfish Wastewater, Livestock Manure and Waste of Fish as Media and Nutrition for Organic Hydroponic

Liquid Anaerobic Digestate as Sole Nutrient Source in Soilless Horticulture—Or Spiked With Mineral Nutrients for Improved Plant Growth

Acidophilic nitrification of biogas digestates accelerates sustainable hydroponics by enhancing phosphorus dissolution

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