Interrelating EPS, soluble microbial products and metal solubility in a methanogenic consortium stressed by nickel and cobalt

Zadeh, Parvin Hasani; Serrano, Antonio; Collins, Gavin; Fermoso, Fernando G.

doi:10.1016/j.ecoenv.2022.113579

Cited by 10 publications

(4 citation statements)

References 40 publications

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“…97,98 This has been extensively covered in the literature and is well reviewed by Choong et al 82 and Hendriks et al 81 TE appear to be linked not only to degradation of certain compounds through their effect on enzymatic activities, but also to the production of compounds, such as EPS and SMP. 74,99,100 This can happen either as a stress response due to toxic levels of TE or other inhibitors or due to insufficient levels of TE (interaction 35 in Figure 1 and Table 2).…”

Section: ■ Regulation Of Micronutrients Availability In Ad Processesmentioning

confidence: 99%

Rheology, Micronutrients, and Process Disturbance in Continuous Stirred-Tank Biogas Reactors

Šafarič,

Björn,

Svensson

et al. 2023

Ind. Eng. Chem. Res.

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Anaerobic digestion (AD) is an important technology for achieving sustainability, but it faces challenges in meeting rising production demands while remaining economically profitable. One difficulty is the lack of a comprehensive understanding of the many interactions within anaerobic digesters, which makes it challenging to fully optimize them. This is particularly notable when considering the interlinked dynamics between micronutrient availability and fluid behavior. This study addresses this gap by focusing on key operational parameters affecting the efficiency of the process in continuous stirred-tank biogas reactors, which are the most used AD technology today. It does so by proposing and evaluating a novel conceptual model of the mechanisms behind how different parts of AD processes interact upon disturbance, highlighting strategies for preventing process failure. This article aims to improve our understanding of the complexity of AD biotechnology and to provide a starting point for developing advanced strategies for operational optimization.

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Section: ■ Regulation Of Micronutrients Availability In Ad Processesmentioning

confidence: 99%

Rheology, Micronutrients, and Process Disturbance in Continuous Stirred-Tank Biogas Reactors

Šafarič,

Björn,

Svensson

et al. 2023

Ind. Eng. Chem. Res.

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“…For instance, the activity of a methanogenic consortium in an anaerobic granular sludge was compromised by both Ni and Co as reported by Hasani Zadeh and colleagues. Moreover, the presence of a Ni-protein complex proved the selective metal-binding based on the ligand affinity in metalloproteins (Hasani Zadeh et al, 2022). EPS can also host biotransformation process as it is for Methanococcus maripaludis OS7 producing an extracellular Ni-Fe hydrogenase that oxidizes iron of carbon steel oil and gas pipelines.…”

Section: S-layer and Eps Mediated Metal Cation Removal Via Biosorptio...mentioning

confidence: 99%

“…Pagliaccia and coworkers investigated the efficiency of EPS in native biomass from annamox granular sludge as biosorbent of heavy metals in synthetic wastewaters ( Pagliaccia et al, 2022 ). A recent study on a methanogenic consortium revealed the relationship of EPS with the release of soluble biogenic products and with metal solubility in the presence of elevated cobalt (Co 2+ ) and nickel (Ni 2+ ) concentrations, as in waste streams of metallurgical and LIBs industry ( Hasani Zadeh et al, 2022 ). Hydroxyl and carboxyl terminals of proteins in EPS are the main ones responsible for the metal-cations biosorption mechanism ( Fomina and Gadd, 2014 ; Kurniawan and Yamamoto, 2015 ; Liu et al, 2015 ) because cationic species are predominant among metals in aqueous solutions.…”

Section: S-layer and Eps Mediated Metal Cation Removal Via Biosorptio...mentioning

confidence: 99%

Section: S-layer and Eps Mediated Metal Cation Removal Via Biosorptio...mentioning

confidence: 99%

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Perspective on the use of methanogens in lithium recovery from brines

et al. 2023

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Methanogenic archaea stand out as multipurpose biocatalysts for different applications in wide-ranging industrial sectors due to their crucial role in the methane (CH4) cycle and ubiquity in natural environments. The increasing demand for raw materials required by the manufacturing sector (i.e., metals-, concrete-, chemicals-, plastic- and lubricants-based industries) represents a milestone for the global economy and one of the main sources of CO2 emissions. Recovery of critical raw materials (CRMs) from byproducts generated along their supply chain, rather than massive mining operations for mineral extraction and metal smelting, represents a sustainable choice. Demand for lithium (Li), included among CRMs in 2023, grew by 17.1% in the last decades, mostly due to its application in rechargeable lithium-ion batteries. In addition to mineral deposits, the natural resources of Li comprise water, ranging from low Li concentrations (seawater and freshwater) to higher ones (salt lakes and artificial brines). Brines from water desalination can be high in Li content which can be recovered. However, biological brine treatment is not a popular methodology. The methanogenic community has already demonstrated its ability to recover several CRMs which are not essential to their metabolism. Here, we attempt to interconnect the well-established biomethanation process with Li recovery from brines, by analyzing the methanogenic species which may be suitable to grow in brine-like environments and the corresponding mechanism of recovery. Moreover, key factors which should be considered to establish the techno-economic feasibility of this process are here discussed.

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The ecotoxicological effects of chromium (III) oxide nanoparticles to Chlorella sp.: perspective from the physiological and transcriptional responses

Liu

et al. 2023

Environ Sci Pollut Res

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Interrelating EPS, soluble microbial products and metal solubility in a methanogenic consortium stressed by nickel and cobalt

Cited by 10 publications

References 40 publications

Rheology, Micronutrients, and Process Disturbance in Continuous Stirred-Tank Biogas Reactors

Rheology, Micronutrients, and Process Disturbance in Continuous Stirred-Tank Biogas Reactors

Perspective on the use of methanogens in lithium recovery from brines

The ecotoxicological effects of chromium (III) oxide nanoparticles to Chlorella sp.: perspective from the physiological and transcriptional responses

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