Increased BLSS closure using mineralized human waste in plant cultivation on a neutral substrate

Ushakova, Sofya; Tikhomirov, Alexander A.; Shikhov, V. N.; Kudenko, Yu.A.; Anischenko, O.; Gros, Jean‐Bernard; Lasseur, Ch.

doi:10.1016/j.asr.2009.06.003

Cited by 7 publications

(4 citation statements)

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“…Calcium was higher in lettuce treated with stabilized urine-low pH, ED concentrate, and urine precipitate-CaO. These results are in agreement with the findings of Ushakova et al [35], who used a nutrient solution based on human-mineralized waste to grow lettuce hydroponically on expanded clay aggregates. The same authors also demonstrated the high accumulation of sodium in lettuce leaves (4-fold increase) that was similar to our results, where sodium was on average 14-fold higher than that registered in the control.…”

Section: Discussionsupporting

confidence: 91%

“…The best-performing UDs were ED concentrate, K-struvite, and Urine precipitate-CaO. These products did not cause any noticeable morphological changes of lettuce in comparison to the control (NPK + TE), similar to the findings previously reported [35]. K-struvite supported lettuce growth compared to commercial fertilizer in line with previous reports revealing the importance of Mg and P in struvite [36].…”

Section: Discussionsupporting

confidence: 88%

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An Appraisal of Urine Derivatives Integrated in the Nitrogen and Phosphorus Inputs of a Lettuce Soilless Cultivation System

et al. 2021

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Reinforcing and optimizing sustainable food production is an urgent contemporary issue. The depletion of natural mineral resources is a key problem that is addressed by recycling mined potassium and phosphorus, and nitrogen, whose production depends on very high energy input. A closed-loop approach of fertilizer use asserts the necessity for efficient management and practices of organic waste rich in minerals. Human-derived urine is an underutilized yet excellent source for nitrogen fertilizer, and, in this study, processed urine fertilizer was applied to greenhouse soilless cultivation of lettuce (Lactuca sativa L.) cv. Grand Rapids. Biomass increase, biometric parameters, soil plant analysis development (SPAD) index, minerals, and organic acids content of lettuce were analyzed. From eight different urine fertilizer products generated, K-struvite, urine precipitate-CaO, and the liquid electrodialysis (ED) concentrate supported the growth of lettuce similar to that of commercial mineral fertilizer. ED concentrate application led to the accumulation of potassium (+17.2%), calcium (+82.9%), malate (+185.3%), citrate (+114.4%), and isocitrate (+185.7%); K-struvite augmented the accumulation of magnesium (+44.9%); and urine precipitate-CaO induced the highest accumulation of calcium (+100.5%) when compared to the control, which is an added value when supplemented in daily diet. The results underlined the potential of nitrogen- and phosphate-rich human urine as a sustainable source for the fertilization of lettuce in soilless systems.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionsupporting

confidence: 88%

An Appraisal of Urine Derivatives Integrated in the Nitrogen and Phosphorus Inputs of a Lettuce Soilless Cultivation System

et al. 2021

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“…Wet oxidation must be coupled with nitrogen fixation. The mineralised waste product may be used as manure supplemented with Knop’s solution (for supplementary potassium) to grow crops such as wheat, peas and lettuce [ 25 ]. Full mineralisation of human waste is essential to prevent the proliferation of pathogenic bacteria [ 26 ].…”

Section: Waste Processingmentioning

confidence: 99%

Supplementing Closed Ecological Life Support Systems with In-Situ Resources on the Moon

Ellery

2021

Life

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In this review, I explore a broad-based view of technologies for supporting human activities on the Moon and, where appropriate, Mars. Primarily, I assess the state of life support systems technology beginning with physicochemical processes, waste processing, bioregenerative methods, food production systems and the robotics and advanced biological technologies that support the latter. We observe that the Moon possesses in-situ resources but that these resources are of limited value in closed ecological life support systems (CELSS)—indeed, CELSS technology is most mature in recycling water and oxygen, the two resources that are abundant on the Moon. This places a premium on developing CELSS that recycle other elements that are rarified on the Moon including C and N in particular but also other elements such as P, S and K which might be challenging to extract from local resources. Although we focus on closed loop ecological life support systems, we also consider related technologies that involve the application of biological organisms to bioregenerative medical technologies and bioregenerative approaches to industrial activity on the Moon as potential future developments.

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“…Therefore, it is practically impossible to design, build, and operate the SWTU prototype only based on empirical trial-and-error experiments. The modelbased design and building for prototype system has been the preferable way to address the problem in information era in a holistic, efficient and economical mode (Ushakova et al, 2012)-The emerging consensus around complex systems science (Nanda & Berruti, 2021;Nordlund et al, 2009) indicates that this maybe the only way to systematically investigate the complicated structure and dynamic behaviors of living systems, especially the profound reciprocal effect and relationships between living systems and environmental factors.…”

Section: Introductionmentioning

confidence: 99%

Kinetic model derivation for design, building and operation of solid waste treatment unit based on system dynamics and computer simulation

Liu

et al. 2023

Waste Management

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Increased BLSS closure using mineralized human waste in plant cultivation on a neutral substrate

Cited by 7 publications

References 7 publications

An Appraisal of Urine Derivatives Integrated in the Nitrogen and Phosphorus Inputs of a Lettuce Soilless Cultivation System

An Appraisal of Urine Derivatives Integrated in the Nitrogen and Phosphorus Inputs of a Lettuce Soilless Cultivation System

Supplementing Closed Ecological Life Support Systems with In-Situ Resources on the Moon

Kinetic model derivation for design, building and operation of solid waste treatment unit based on system dynamics and computer simulation

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