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6) pH Levels: The pH of effluent is also checked to avoid high or low pH that is hazardous to the life of water and can also alter the pH of the water in the streams. Effluent Treatment Methods in Aquaculture. In order to achieve …
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The paper presents the experimental results of an investigation aimed at understanding the role played by the soil structure in the evolution of chemo-mechanical-coupled processes in bentonite. The objective was pursued by subjecting samples with ... The solution had a pH of 7.6 and an electrical conductivity of around 12 mS/cm, which would ...
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The use of bentonite in aquaculture has profound implications for enhancing water quality in aquatic systems. Bentonite, a specific type of smectite clay mineral, possesses properties that make it effective in influencing water quality. Key among these is its capacity to absorb water, leading to swelling and moisture retention.
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The diversification of the aquaculture sector and the overlapping use of terminology to describe alternative aquaculture approaches can create challenges for policy makers, managers and industry ...
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Enhanced phosphorus treatment and recovery has been continuously pursued due to the stringent wastewater discharge regulations and a phosphate supply shortage. Here, a new adsorption-membrane separation strategy was developed for rational reutilization of phosphate from sea cucumber aquaculture wastewater using a Zr-modified-bentonite filled polyvinyl …
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Redundancy analysis showed that environmental factors (OTC, H 2 O, SOM, and pH) were the dominant factors that influence the distribution of ARGs and intI1. Network analysis showed that Proteobacteria and …
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Aquaculture is the fastest growing Agricultural sector which provide food security to the growing population of the world. Disease outbreak is the main challenge to the aqua farmers.
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Introduction. Aquaculture continues to play a vital role in providing the world population with approximately 50% of the required animal protein (El-Kady et al., 2022), as well as preventing the extinction of endangered species by allowing fish to be cultured outside of their natural range as for sturgeons (Vasilyeva et al., 2019).In 2020, the global aquaculture yield …
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The role of microorganisms in the bentonite barrier of high-level radioactive waste repositories Nicole Matschiavelli, Magdalena Dressler, Tom Neubert, Sindy Kluge, ... pH E h 0 70 140 210 280 0 3 6 9 12 30 60 90 120 time [d] lites [mM] Fe(II) Fe(III) SO 4 2-d = 238 d = 181 H 2 0 70 140 210 time [d] 0 3 6 9 12 30 60 90 120 s [mM]-500-250 0 250 500
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zeolite+bentonite and bentonite were added in to the bottles as 10 gram per liter. Water temperature, pH and TAN (Total Ammonium Nitrogen) values were determined during the trial period.
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When tilapias' stomach is empty, its pH values range from 5 to 7 and it becomes progressively more acid with food digestion, reaching pH 3 after 4 to 41 Aquaculture 490 (2018) 35–43 Y.E. Rodriguez et al. promoting the total utilization of P. muelleri …
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The pH of the solution influenced the sorption, the rate of which was higher at a low pH than at a high pH. Creatinine could diffuse from the blood vessel to the intestine and was reabsorbed in ...
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Lanthanum modified bentonite (LMB) has been applied to eutrophic lakes to reduce phosphorus (P) concentrations in the water column and mitigate P release from sediments. …
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Abdel Rahman El Gamal, Ph D October, 2013 . Planning of aquaculture projects Why this presentation? Demonstrating the role of planning in the success or failure of aquaculture projects Highlight the technical features of aquaculture projects ... Bentonite: (clay type product): Bentonite
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Therefore, the role of bentonite in aquaculture is similar to zeolite powder. The results show that the addition of bentonite can regulate the supplement of trace elements in aquatic feed. It can effectively promote the metabolism of fish and shrimp, …
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In recent years, many studies have been conducted to investigate the role of bentonite on mycotoxin detoxification in aquaculture. A survey by Neeratanaphan y Tengjaroenkul (2018) evaluated the efficacy of 1% sodium bentonite in improving the growth and tissue histomorphology of Nile tilapia fed with diets containing 10-40 mg/kg of AFB 1 .
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The role of secondary minerals in governing the potential alteration of bentonite by hyperalkaline fluids is principally through the influence on solution chemistry (notably pH) and the associated effects on the rate, and possibly the mechanism, of montmorillonite dissolution (e.g. Oda et al., 2004, Vieillard et al., 2004).
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the role of polypropylene fibers in expansive soils, and [32] looked at how magnesium bentonite alkalizes at the microscopic level in alluvial sand. [33] evaluated the role of NaCl as a case study in
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The predicted evolution in bentonite influenced either by OPC-type or low-pH cements is considered time and spatially-dependent. For the first case, the rate of alteration of primary minerals and formation of secondary minerals will be important and is estimated to happen in a short period of time (in the range 10–10 2 years), while for the second case the …
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In the context of the cement-bentonite system, silica is likely to be supersaturated with respect to quartz, due to the abundance of sand in the bentonite, the elevated pH, and the notoriously ...
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In addition to Bentonite, the drilling fluid incorporates carefully selected additives to manage its rheological properties. These additives ensure the fluid exhibits the desired characteristics...
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After a 10-week feeding trial, results showed that the muscle pH, liquid holding capacity (LHC) and hardness were significantly decreased by the increasing dietary …
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The role of the bentonite buffer in this concept is essential, and thus the behaviour of the bentonite has to be known. The experiments in this paper concentrated on providing information about the effects of carbon dioxide CO 2 (g) partial pressure on compacted sodium bentonite, giving an insight into the buffering capacity. ... The pH in the ...
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This study investigates the in vitro adsorption efficiency of a tri-octahedral bentonite against aflatoxin B 1 (AFB1), zearalenone (ZEN), and fumonisin B 1 (FB1) in simulated gastric (pH = 1.2) and intestinal (pH = 6.8) fluids at 25 °C, the usual body temperature in aquaculture fish species. The binder was highly effective, removing over 98% ...
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The objective of this study was to evaluate the effect of dietary addition of bentonite (BNT) clay as a toxin adsorbent for diazinon (DZ) in Nile tilapia.Fish were randomly divided into five groups; the first group (G 1) was fed on a basal diet and serve as a control group; the second group (G 2) was exposed to DZ at a dose of 0.39 mg/ L (1/ 20 of 96 h LC 50); the …
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The role of bentonite binders in single or concomitant mycotoxin contamination of chicken diets Br Poult Sci. 2016 Aug;57 ... Faculty of Animal Science and Aquaculture, Agricultural University of Athens, Athens, Greece. 2 b Department of Plant Pathology, Faculty of Crop Science, ...
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Bentonite clay has found application as a feed additive in animal science and aquaculture. It is used as a mycotoxin binder to improve feed utilisation. Application of dietary activated …
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The aquaculture industry is growing rapidly and plays a huge role in bridging the global demand gap for fish and other aquatic foods. It is a vital contributor of valuable nutrients and economic benefits. Aquaculture and fisheries provide a means of livelihood to an estimated 58.5 million people globally, according to the United Nations Food and Agriculture …
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Role of Bentonite on the Mobility of Antibiotic Resistance Genes, and Microbial Community in Oxytetracycline and Cadmium Contaminated Soil ... (OTC, H 2 O, SOM, and pH) were the dominant factors that influence the distribution of ARGs and intI1. ... Heavy use of prophylactic antibiotics in aquaculture: a growing problem for human and animal ...
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The pH in all samples increased in a small amount during the experiment (approximately 7.6 before mixing with zeolite and bentonite). Solution pH increased because calcium and magnesium carbonate compounds hydrolyzed after mixing with zeolite and bentonite [14, 17, 23]. TAN, NH3, pH and dissolved O2 values were presented in Table 2.
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