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https://www.readbyqxmd.com/read/29757177/formation-of-aerobic-granular-sludge-and-the-influence-of-the-ph-on-sludge-characteristics-in-a-sbr-fed-with-brewery-bottling-plant-wastewater
#1
Hannah Stes, Sven Aerts, Michel Caluwé, Thomas Dobbeleers, Sander Wuyts, Filip Kiekens, Jolien D'aes, Piet De Langhe, Jan Dries
A laboratory-scale sequencing batch reactor (SBR) was operated for 450 days to assess aerobic granule formation when treating brewery/bottling plant wastewater by consistent application of a feast/famine regime. The experiment was divided into three major periods according to the different operational conditions: (I) no pH control and strong fluctuations in organic loading rate (OLR) (1.18 ± 0.25 kgCOD·(m3 ·day)-1 ), (II) pH control and aeration control strategy to reduce OLR fluctuations (1.45 ± 0.65 kgCOD·(m3 ·day)-1 ) and (III) no pH control and stable OLR (1...
May 2018: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/29752718/effect-of-rearing-substrate-on-growth-performance-waste-reduction-efficiency-and-chemical-composition-of-black-soldier-fly-hermetia-illucens-larvae
#2
Marco Meneguz, Achille Schiavone, Francesco Gai, Andrea Dama, Carola Lussiana, Manuela Renna, Laura Gasco
BACKGROUND: Wastes can be used as rearing substrate by black soldier fly (BSF) larvae, the latter being exploitable as protein source in animal feed. This research aimed to assess the influence of four rearing substrates [Trial 1 (organic wastes): a mixture of vegetable and fruit (VEGFRU) vs a mixture of fruits only (FRU); Trial 2 (agro-industrial by-products): brewery (BRE) vs winery (WIN) by-products] on BSF larvae development, waste reduction efficiency, and nutritional composition...
May 11, 2018: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29746215/optimization-of-biosurfactant-production-by-bacillus-subtilis-n3-1p-using-the-brewery-waste-as-the-carbon-source
#3
Bahareh Moshtagh, Kelly Hawboldt, Baiyu Zhang
Biosurfactants are biologically produced by microorganisms and therefore biodegradable, making ideal substitutes to chemical surfactants for various applications. Large scale production of biosurfactants is limited because of the high cost. The production cost could be reduced by optimizing cultural conditions and using wastes as substrates. In this work, the response surface methodology (RSM) was used to optimize biosurfactant production by Bacillus subtilis N3-1P strain using brewery waste as the sole carbon source...
May 10, 2018: Environmental Technology
https://www.readbyqxmd.com/read/29703269/dipstick-assay-for-rapid-detection-of-beer-spoilage-organisms
#4
Harish K Janagama, Tam Mai, Sukkhyun Han, Lourdes Nadala, Cesar Nadala, Mansour Samadpour
Background: Beer spoilage caused by wild yeast and bacteria is a major concern to both commercial and home brewers. Objective: To address this problem, Molecular Epidemiology Inc. (MEI, Seattle, WA) has developed a beer spoilage organism detection kit consisting of an enrichment media (BSE) and a multiplex PCR DNA dipstick that simultaneously detects these organisms within 2 h following enrichment. Methods: The kit was tested by using samples obtained from breweries located in the Greater Seattle area. Samples were spiked with the target microbes, when necessary, and used for assessing the performance characteristics of the DNA dipstick assay...
April 27, 2018: Journal of AOAC International
https://www.readbyqxmd.com/read/29674558/draft-genome-sequence-of-komagataeibacter-maltaceti-lmg-1529-t-a-vinegar-producing-acetic-acid-bacterium-isolated-from-malt-vinegar-brewery-acetifiers
#5
Qingyang Zhang, Anja Poehlein, Jacqueline Hollensteiner, Rolf Daniel
We present the genome sequence of Komagataeibacter maltaceti LMG 1529T , which is a vinegar-producing acetic acid bacterium. The draft genome sequence consists of 3.6 Mb and contains 3,225 predicted protein-encoding genes. In addition, 53 genes encoding potential oxidoreductases were identified.
April 19, 2018: Genome Announcements
https://www.readbyqxmd.com/read/29663103/cacha%C3%A3-a-yeast-strains-alternative-starters-to-produce-beer-and-bioethanol
#6
Thalita Macedo Araújo, Magalhães Teixeira Souza, Raphael Hermano Santos Diniz, Celina Kiyomi Yamakawa, Lauren Bergmann Soares, Jaciane Lutz Lenczak, Juliana Velasco de Castro Oliveira, Gustavo Henrique Goldman, Edilene Alves Barbosa, Anna Clara Silva Campos, Ieso Miranda Castro, Rogelio Lopes Brandão
This work was performed to verify the potential of yeast strains isolated from cachaça distilleries for two specific biotechnological applications: beer and bioethanol production. In the beer production, the strains were tested for characteristics required in brewery practices, such as: capacity to ferment maltose and maltotriose, ability to grow at lowest temperatures, low H2 S production, and flocculation profile. Among the strains tested, two of them showed appropriate characteristics to produce two different beer styles: lager and ale...
April 16, 2018: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29652435/mediterranean-agro-industrial-wastes-as-valuable-substrates-for-lignocellulolytic-enzymes-and-protein-production-by-solid-state-fermentation
#7
José Manuel Salgado, Daniel Sousa, Armando Venâncio, Isabel Belo
BACKGROUND: Mediterranean agro-food industries, among which are wineries, breweries and olive mills, dispose a great amount of wastes, which generate environmental problems and have a low nutritional value to be used as animal feed. In this sense, solid-state fermentation (SSF) can increase the nutritional value of these wastes and simultaneously produce lignocellulolytic enzymes. RESULTS: All fermented wastes were enriched in protein by the three fungi studied...
April 13, 2018: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29610687/potential-applications-of-some-indigenous-bacteria-isolated-from-polluted-areas-in-the-treatment-of-brewery-effluents
#8
Temesgen Oljira, Diriba Muleta, Mulissa Jida
Biological wastewater treatment is economically feasible and ecofriendly. This study was aimed at isolating bacteria from brewery wastes and evaluating their bioremediation potential as individual isolate and/or their consortium in reducing the pollutants of brewery effluents. A total of 40 bacterial isolates were recovered and of these the three best isolates were selected. The selected bacteria were identified to genus level by using morphological and biochemical characteristics. Accordingly, the isolates were identified as Aeromonas sp...
2018: Biotechnology Research International
https://www.readbyqxmd.com/read/29606428/analysis-of-the-oligosaccharide-composition-in-wort-samples-by-capillary-electrophoresis-with-laser-induced-fluorescence-detection
#9
Tamás Gábor Szilágyi, Beáta Hegyesné Vecseri, Zsuzsanna Kiss, László Hajba, András Guttman
Determination of the oligosaccharide composition in different wort samples is important to monitor their change during the brewing process with different yeast types. In our work, the concentration of fermentable and non-fermentable sugars were monitored by capillary electrophoresis to observe the effect of two different types of yeasts, Saccharomyces pastorianus and Saccharomycodes ludwigii. The former first ferments the monosaccharides, then the higher sugar oligomers, such as maltose and maltotriose, to ethanol, while the latter fully ferments the monosaccharides, but ferments only very low percentages of the oligosaccharides...
August 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29568284/-geobacter-dominates-the-inner-layers-of-a-stratified-biofilm-on-a-fluidized-anode-during-brewery-wastewater-treatment
#10
Sara Tejedor-Sanz, Patricia Fernández-Labrador, Steven Hart, Cesar I Torres, Abraham Esteve-Núñez
In this study, we designed a microbial electrochemical fluidized bed reactor (ME-FBR), with an electroconductive anodic bed made of activated carbon particles for treating a brewery wastewater. Under a batch operating mode, acetate and propionate consumption rates were 13-fold and 2.4-fold higher, respectively, when the fluidized anode was polarized (0.2 V) with respect to open circuit conditions. Operating in a continuous mode, this system could effectively treat the brewery effluent at organic loading rates (OLR) over 1...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29475106/combining-biotechnology-with-circular-bioeconomy-from-poultry-swine-cattle-brewery-dairy-and-urban-wastewaters-to-biohydrogen
#11
Alice Ferreira, Paula Marques, Belina Ribeiro, Paula Assemany, Henrique Vieira de Mendonça, Ana Barata, Ana Cristina Oliveira, Alberto Reis, Helena M Pinheiro, Luisa Gouveia
The ability of microalgae to grow in nutrient-rich environments and to accumulate nutrients from wastewaters (WW) makes them attractive for the sustainable and low-cost treatment of WW. The valuable biomass produced can be further used for the generation of bioenergy, animal feed, fertilizers, and biopolymers, among others. In this study, Scenedesmus obliquus was able to remove nutrients from different wastewaters (poultry, swine and cattle breeding, brewery and dairy industries, and urban) with removal ranges of 95-100% for nitrogen, 63-99% for phosphorus and 48-70% for chemical oxygen demand...
July 2018: Environmental Research
https://www.readbyqxmd.com/read/29442149/influence-of-different-sugars-and-initial-ph-on-%C3%AE-glucan-formation-by-lactobacillus-brevis-tmw-1-2112
#12
Marion E Fraunhofer, Frank Jakob, Rudi F Vogel
We wanted to identify key factors influencing the extent of β-glucan production by Lactobacillus brevis TMW 1.2112, which has been isolated from viscous, spoiled beer and which could contribute to viscosity increases of spoiled beverages via exopolysaccharide (EPS) production. In this way, we analyzed the influence of different initial pH values and carbohydrate sources on growth of and slime/β-glucan formation by this strain. In a screening of 48 carbohydrates, 14 fermentable sugars which enabled growth were identified...
February 13, 2018: Current Microbiology
https://www.readbyqxmd.com/read/29421961/enhancing-the-auto-flocculation-of-photosynthetic-bacteria-to-realize-biomass-recovery-in-brewery-wastewater-treatment
#13
Haifeng Lu, Shan Dong, Guangming Zhang, Ting Han, Yuanhui Zhang, Baoming Li
Photosynthetic bacteria (PSB) wastewater treatment technology can simultaneously realize wastewater purification and biomass production. The produced biomass contains high value-added products, which can be used in medical and agricultural industry. However, because of the small size and high electronegativity, PSB are hard to be collected from wastewater, which hampers the commercialization of PSB-based industrial processes. Auto-flocculation is a low cost, energy saving, non-toxic biomass collection method for microbiology...
February 15, 2018: Environmental Technology
https://www.readbyqxmd.com/read/29411207/a-nonspecific-synergistic-effect-of-biogenic-silver-nanoparticles-and-biosurfactant-towards-environmental-bacteria-and-fungi
#14
Chojniak Joanna, Libera Marcin, Król Ewa, Płaza Grażyna
The present study focused on the evaluation of a nonspecific synergistic effect of biogenic silver nanoparticles (AgNPs) in combination with biosurfactants against environmental bacteria and fungi. The AgNPs were synthesized in the culture supernatants of the biosurfactant producer Bacillus subtilis grown in brewery effluent, molasses or Luria-Bertani media. Antibacterial activities were tested against Gram-positive and Gram-negative bacteria, while the antifungal activity was tested against phytopathogens...
April 2018: Ecotoxicology
https://www.readbyqxmd.com/read/29380253/engineering-thermostable-microbial-xylanases-toward-its-industrial-applications
#15
REVIEW
Vishal Kumar, Arun Kumar Dangi, Pratyoosh Shukla
Xylanases are one of the important hydrolytic enzymes which hydrolyze the β-1, 4 xylosidic linkage of the backbone of the xylan polymeric chain which consists of xylose subunits. Xylanases are mainly found in plant cell walls and are produced by several kinds of microorganisms such as fungi, bacteria, yeast, and some protozoans. The fungi are considered as most potent xylanase producers than that of yeast and bacteria. There is a broad series of industrial applications for the thermostable xylanase as an industrial enzyme...
March 2018: Molecular Biotechnology
https://www.readbyqxmd.com/read/29340862/effect-of-brewery-wastewater-obtained-from-different-phases-of-treatment-plant-on-seed-germination-of-chickpea-cicer-arietinum-maize-zea-mays-and-pigeon-pea-cajanus-cajan
#16
Rupa Salian, Suhas Wani, Ramamohan Reddy, Mukund Patil
Brewing industry releases large quantities of wastewater after product generation. Brewery wastewater contains organic compounds which are biodegradable in nature. These biodegradable wastes can be recycled and reused and hence considered as suitable products for agriculture. But before using wastewater for agriculture, it is better to evaluate the phytotoxic effects of wastewater on crops. Hence, the main objective of this study is to evaluate the effects of brewery effluent on seed germination and growth parameters of selected crop species like chickpea (Cicer arietinum), maize (Zea mays), and pigeon pea (Cajanus cajan)...
January 17, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29330693/the-enhanced-biomass-and-lipid-accumulation-in-coccomyxa-subellipsoidea-with-an-integrated-treatment-strategy-initiated-by-brewery-effluent-and-phytohormones
#17
Tingting Liu, Fei Luo, Zhenyao Wang, Yuqin Li
Brewery effluent (BE) as an appreciable and sustainable resource presented new possibilities in low-cost algal biomass production, whereas the relatively low essential macronutrients hindered extensive applications as growth medium for microalgae cultivation. The objective of this study was to investigate the feasibility of an integrated treatment strategy initiated by BE coupling phytohormones in augmenting biomass and lipid accumulation in Coccomyxa subellipsoidea. Results revealed that BE coupling synthetic 1-naphthaleneacetic acid (NAA) accomplished the favorable lipid productivity of 481...
January 12, 2018: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/29306840/energetic-valorization-of-algal-biomass-in-a-hybrid-anaerobic-reactor
#18
Paula Assemany, Isabel de Paula Marques, Maria Lúcia Calijuri, Teresa Lopes da Silva, Alberto Reis
This study evaluated the operation of a hybrid anaerobic reactor fed with algal biomass cultivated in effluent from the brewery industry. Three stages of operation were distinguished during the 72 days of semi-continuous functioning of the reactor: Stage 1 (S1), in which algal biomass was used as substrate; Stage 2 (S2), in which 10% (v/v) of the algal biomass was substituted by olive mill wastewater (OMW); and Stage 3 (S3), in which algal biomass was heat pre-treated. During S1, a loss of solids was observed, with an increment of organic matter in the outlet...
March 1, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29275286/structural-identification-of-lipopeptide-biosurfactants-produced-by-bacillus-subtilis-strains-grown-on-the-media-obtained-from-renewable-natural-resources
#19
Katarzyna Paraszkiewicz, Przemysław Bernat, Anna Kuśmierska, Joanna Chojniak, Grażyna Płaza
The aim of the study was to identify and characterize lipopeptide (LP) biosurfactants produced by two Bacillus subtilis strains (KP7 and I'-1a) grown on various media prepared from renewable natural resources: two different brewery wastewaters (BW#4 and BW#6), 2% beet molasses (M), apple peels extract (APE) supplemented with 0.25% of yeast extract (YE) or 0.25% peptone (P), and similarly supplemented carrot peels extract (CPE). In all used media both strains retained their individual LP production signature characterized by surfactin and iturin overproduction exhibited by KP7 and I'-1a strain, respectively...
March 1, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29274518/one-step-treatment-and-resource-recovery-of-high-concentration-non-toxic-organic-wastewater-by-photosynthetic-bacteria
#20
Fan Meng, Anqi Yang, Hangyao Wang, Guangming Zhang, Xuemei Li, Yi Zhang, Zhiguo Zou
In order to achieve simple pollutant removal and simultaneous resource recovery in high-COD-non-toxic wastewater treatment, a one-step photosynthetic bacteria (PSB) method was established using batch study experiment. The effluent COD met the national discharge standard, and biomass with rich protein and high-value substances was efficiently produced. It eliminated the demand of post-treatment for conventional PSB treatment. Results showed that Rhodopseudomonas effectively treated brewery wastewater and achieved biomass proliferation...
March 2018: Bioresource Technology
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