Abstract:
:Due to serious eutrophication in water bodies, nitrogen removal has become a critical stage for wastewater treatment plants (WWTPs) over past decades. Conventional biological nitrogen removal processes are based on nitrification and denitrification (N/DN), and are suffering from several major drawbacks, including substantial aeration consumption, high fugitive greenhouse gas emissions, a requirement for external carbon sources, excessive sludge production and low energy recovery efficiency, and thus unable to satisfy the escalating public needs. Recently, the discovery of anaerobic ammonium oxidation (anammox) bacteria has promoted an update of conventional N/DN-based processes to autotrophic nitrogen removal. However, the application of anammox to treat domestic wastewater has been hindered mainly by unsatisfactory effluent quality with nitrogen removal efficiency below 80%. The discovery of nitrate/nitrite-dependent anaerobic methane oxidation (n-DAMO) during the last decade has provided new opportunities to remove this barrier and to achieve a robust system with high-level nitrogen removal from municipal wastewater, by utilizing methane as an alternative carbon source. In the present review, opportunities and challenges for nitrate/nitrite-dependent anaerobic methane oxidation are discussed. Particularly, the prospective technologies driven by the cooperation of anammox and n-DAMO microorganisms are put forward based on previous experimental and modeling studies. Finally, a novel WWTP system acting as an energy exporter is delineated.
journal_name
Crit Rev Biotechnoljournal_title
Critical reviews in biotechnologyauthors
Liu T,Hu S,Guo Jdoi
10.1080/07388551.2019.1598333subject
Has Abstractpub_date
2019-08-01 00:00:00pages
732-745issue
5eissn
0738-8551issn
1549-7801journal_volume
39pub_type
杂志文章,评审abstract::Nitrilases are widely distributed in nature and are able to hydrolyze nitriles into their corresponding carboxylic acids and ammonia. In industry, nitrilases have been used as green biocatalysts for the production of high value-added products. To date, biocatalysts are considered to be important alternatives to chemic...
journal_title:Critical reviews in biotechnology
pub_type: 杂志文章
doi:10.1080/07388551.2020.1827367
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abstract::Microbial bio-transformations of the essential trace element selenium are now recognized to occur among a wide variety of microorganisms. These transformations are used to convert this element into its assimilated form of selenocysteine, which is at the active center of a number of key enzymes, and to produce selenium...
journal_title:Critical reviews in biotechnology
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doi:10.1080/07388551.2020.1811199
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journal_title:Critical reviews in biotechnology
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journal_title:Critical reviews in biotechnology
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abstract::Cross-linked enzyme aggregate (CLEA) technology has been regarded as an effective carrier-free immobilization method. This method is very attractive due to its simplicity and robustness, as well as for the possibility of using the crude enzyme extract and the opportunity to co-immobilize multiple different enzymes. Th...
journal_title:Critical reviews in biotechnology
pub_type: 杂志文章,评审
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abstract::Butanol is a precursor of many industrial chemicals, and a fuel that is more energetic, safer and easier to handle than ethanol. Fermentative biobutanol can be produced using renewable carbon sources such as agro-industrial residues and lignocellulosic biomass. Solventogenic clostridia are known as the most preeminent...
journal_title:Critical reviews in biotechnology
pub_type: 杂志文章,评审
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journal_title:Critical reviews in biotechnology
pub_type: 杂志文章,评审
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abstract::Terpenes are natural products with a remarkable diversity in their chemical structures and they hold a significant market share commercially owing to their distinct applications. These potential molecules are usually derived from terrestrial plants, marine and microbial sources. In vitro production of terpenes using p...
journal_title:Critical reviews in biotechnology
pub_type: 杂志文章,评审
doi:10.1080/07388551.2017.1299679
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journal_title:Critical reviews in biotechnology
pub_type: 杂志文章,评审
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journal_title:Critical reviews in biotechnology
pub_type: 杂志文章,评审
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abstract::Vitamin C (L-ascorbic acid; AsA) is the major soluble antioxidant found in plants and is also an essential component of human nutrition. Although numerous biotechnological methods have been exploited to increase its yield, pressures such as commercial competition and environmental concerns make it urgent to find a new...
journal_title:Critical reviews in biotechnology
pub_type: 杂志文章,评审
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更新日期:2007-07-01 00:00:00
abstract::Lipopolysaccharide (LPS), the major component of the outer membrane of Gram-negative bacteria, often pose a serious risk not only when delivered in the bloodstream but also in air, the environment and several industrial fields such as pharmaceutics or food. LPS is constituted of three regions; the O-specific chain, th...
journal_title:Critical reviews in biotechnology
pub_type: 杂志文章
doi:10.1080/07388551.2019.1709797
更新日期:2020-05-01 00:00:00
abstract::Affinity tags are vital tools for the production of high-throughput recombinant proteins. Several affinity tags, such as the hexahistidine tag, maltose-binding protein, streptavidin-binding peptide tag, calmodulin-binding peptide, c-Myc tag, glutathione S-transferase and FLAG tag, have been introduced for recombinant ...
journal_title:Critical reviews in biotechnology
pub_type: 杂志文章,评审
doi:10.3109/07388551.2016.1163323
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abstract::The role of selenium (Se) in human health and diseases has been discussed in detail in several recent reviews, with the main conclusion being that selenium deficiency is recognised as a global problem which urgently needs resolution. Since selenium content in plant-based food depends on its availability from soil, the...
journal_title:Critical reviews in biotechnology
pub_type: 杂志文章,评审
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journal_title:Critical reviews in biotechnology
pub_type: 杂志文章,评审
doi:10.3109/07388551.2015.1114465
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abstract::The availability of binders to different functional domains of the same protein or to physiologically co-operating proteins allows for the simultaneous inhibition of independent downstream signaling pathways. This multi-target approach represents a promising therapeutic strategy, as demonstrated in the case of the syn...
journal_title:Critical reviews in biotechnology
pub_type: 杂志文章,评审
doi:10.3109/07388551.2012.665353
更新日期:2013-03-01 00:00:00
abstract::Global gel-free proteomic analysis by mass spectrometry has been widely used as an important tool for exploring complex biological systems at the whole genome level. Simultaneous analysis of a large number of protein species is a complicated and challenging task. The challenges exist throughout all stages of a global ...
journal_title:Critical reviews in biotechnology
pub_type: 杂志文章,评审
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更新日期:2008-01-01 00:00:00
abstract::Over the past few decades, a considerable attention has been focused on the microbial polyhydroxyalkanoates (PHAs) owing to its multifaceted properties, i.e. biodegradability, biocompatibility, non-toxicity and thermo-plasticity. This article presents a critical review of the foregoing research, current trends and fut...
journal_title:Critical reviews in biotechnology
pub_type: 杂志文章,评审
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更新日期:2015-01-01 00:00:00
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journal_title:Critical reviews in biotechnology
pub_type: 杂志文章,评审
doi:10.1080/07388551.2017.1380598
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journal_title:Critical reviews in biotechnology
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journal_title:Critical reviews in biotechnology
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journal_title:Critical reviews in biotechnology
pub_type: 杂志文章,评审
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journal_title:Critical reviews in biotechnology
pub_type: 杂志文章,评审
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journal_title:Critical reviews in biotechnology
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更新日期:2014-12-01 00:00:00
abstract::Many reporter genes, such as gfp, gusA, and lacZ, are widely used for research into plants, animals, and microorganisms. Reporter genes, which offer high levels of sensitivity and convenience of detection, have been utilized in transgenic technology, promoter analysis, drug screening, and other areas. Directed molecul...
journal_title:Critical reviews in biotechnology
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更新日期:2012-06-01 00:00:00
abstract::Filamentous fungi play an important role not only in the bio-manufacturing of value-added products, but also in bioenergy and environmental research. The bioprocess manipulation of filamentous fungi is more difficult than that of other microbial species because of their different pellet morphologies and the presence o...
journal_title:Critical reviews in biotechnology
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更新日期:2016-12-01 00:00:00
abstract::The acetic acid bacteria (AAB) have important roles in food and beverage production, as well as in the bioproduction of industrial chemicals. In recent years, there have been major advances in understanding their taxonomy, molecular biology, and physiology, and in methods for their isolation and identification. AAB ar...
journal_title:Critical reviews in biotechnology
pub_type: 杂志文章,评审
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更新日期:2008-01-01 00:00:00
abstract::Second generation biofuel production depends on lignocellulosic (LC) biomass transformation into simple sugars and their subsequent fermentation into alcohols. However, the main obstacle in this process is the efficient breakdown of the recalcitrant cellulose to sugar monomers. Hence, efficient feedstock pretreatment ...
journal_title:Critical reviews in biotechnology
pub_type: 杂志文章,评审
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更新日期:2015-01-01 00:00:00
abstract::Chitosan, copolymer of glucosamine and N-acetyl glucosamine is mainly derived from chitin, which is present in cell walls of crustaceans and some other microorganisms, such as fungi. Chitosan is emerging as an important biopolymer having a broad range of applications in different fields. On a commercial scale, chitosa...
journal_title:Critical reviews in biotechnology
pub_type: 杂志文章,评审
doi:10.3109/07388551.2012.717217
更新日期:2013-12-01 00:00:00
abstract::The beneficial effects of endophytes on plant growth are important for agricultural ecosystems because they reduce the need for fertilizers and decrease soil and water pollution while compensating for environmental perturbations. Endophytic fungi are a novel source of bioactive secondary metabolites; moreover, recentl...
journal_title:Critical reviews in biotechnology
pub_type: 杂志文章,评审
doi:10.3109/07388551.2013.800018
更新日期:2015-03-01 00:00:00