An empirical model for salt removal percentage in water under the effect of different current intensities of current carrying coil at different flow rates

AbdelHady, Rameen S.; Younes, M. A. M. A.; Ibrahim, Ahmed M. S.; AbdelAziz, Mohammed M.

doi:10.1016/j.jare.2011.01.009

Cited by 12 publications

(4 citation statements)

References 4 publications

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“…Though generally, no significant difference in the measured water quality parameters, which is in agreement with a study using over twofold higher Tesla levels (0.4–0.6 T) during the larviculture of S. glanis (Krzemieniewski et al, ). On the other hand, other studies reported that magnets could substantially improve water quality (AbdelHady et al, ; Hassan, Rahman, Kamaruddin, & Madlul, ; Krzemieniewski et al, ). Krzemieniewski, Debowski, Janczukowicz, and Pesta () found that 0.40–0.60 T could reduce orthophosphates, chlorides and ammonia‐N in the breeding tank.…”

Section: Discussionmentioning

confidence: 97%

“…Magnets have been used to improve various water quality parameters in tilapia culture and have been recognized as a new way to enhance some water quality parameters such as mineral solubility by reducing wastage water which have aquacultural and industrial applications (Bogatin, Bondarenko, Gak, Rokhinson, & Ananyev, ; Coey & Cass, ; Hassan, Sulaiman, Rahman, & Kamaruddin, ). Moreover, it was confirmed that magnets form larger water clusters via hydrogen bonding, this increase water tension and viscosity (AbdelHady, Younes, Ibrahim, & AbdelAziz, ; Cai, Hongwei, Jinsong, & Wanpeng, ). As pointed out by Grisson () & Cai et al (), advantages of changes in water quality by magnets are yet to be explored in the aquacultural industry but have been utilized in other farming system.…”

Section: Introductionmentioning

confidence: 95%

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Influence of continuous magnetic field exposure on water properties and subsequent effects on the growth performance, plasma biochemistry, nutritive value and liver histopathology of Jade PerchScortum barcooin a recirculating system

et al. 2019

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A 150-days study was conducted on the continuous exposure of magnetized water at 0.00, 0.10, 0.15 and 0.20 Tesla (T) on quadruplicate treatments of Jade Perch Scortum barcoo juveniles in a recirculating system. Each replicate consisted of 18 fish with an average weight of 7.52 g over all treatments. The feeding efficiencies, growth, whole-body proximate plasma parameters, survival were measured and liver histopathology was observed. Our results show no significant improvement in water quality parameters, specific growth rate and body weight gain in this study. However, the best feed conversion ratio was recorded in fish exposed to 0.10, 0.15 and 0.20 T, which are significantly better than the control 0.00 T. Though survival was unaffected but plasma biochemistry and liver histopathology were affected even within the treatment. No liver, plasma or blood abnormalities were detected in fish exposed to 0.10 T and the control 0.00 T. But, one out of four livers from fish in the 0.15 T treatment showed a localized inflammatory response. These changes increased in the liver of fish exposed to 0.20 T, high AST and necrosis in this group is evidence of the liver cells damaged or been at risk. A significantly higher crude protein and lipid were noticed in the exposed fish compared with the control, 0.15 T had the highest crude protein and lipid while the control has the lowest. Based on the overall findings, on growth performance and looking at other factors like absence of any physiological disorder 0.10 T can be used as an effective and affordable technique improve the feeding efficiencies of Jade Perch. K E Y W O R D Scell count, Jade Perch, magnetic device, magnetic field, plasma biochemistry, water quality | INTRODUC TI ONMagnets have been used to improve various water quality parameters in tilapia culture and have been recognized as a new way to enhance some water quality parameters such as mineral solubility by reducing

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Section: Discussionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 95%

Influence of continuous magnetic field exposure on water properties and subsequent effects on the growth performance, plasma biochemistry, nutritive value and liver histopathology of Jade PerchScortum barcooin a recirculating system

et al. 2019

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“…These results agree with the findings obtained [9,23] who suggested that the ammonium concentration could be reduced by increasing the magnetic intensity. Also, other studies reported that magnets could substantially improve water quality [9,25,27]. Krzemieniewski et al [25] found that increasing the magnetic intensity could reduce ammonia-N in the breeding tank.…”

Section: Feed Utilizationmentioning

confidence: 99%

Effects of magnetic water and feeding rate on growth performance and immunity of Nile Tilapia (Oreochromis niloticus)

Abdelkhalek

Abdelhamid

Rezk

et al. 2021

Mansoura Veterinary Medical Journal

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The present study was designed to investigate the effect of magnetic water treatment technique and different feeding rates on growth performance, feed utilization, water quality parameters, chemical composition and intestinal histomorphometric parameters of monosex Nile tilapia (Oreochromis niloticus). Design: Experimental study with a factorial design. Fish: A total of 2880 apparently healthy monosex Nile tilapia (O. niloticus) with an average initial body weight of 69.86 ± 0.8 g were randomly distributed into 18 concreate ponds. Procedures: Experimental fish were fed on commercial diet (30.1% protein and 4600 Kcal GE/kg diet) based on three levels of feeding rate 3, 4 and 5% from fish biomass for both treated and control groups. Water was treated with magnetic waves at 0.2 Tesla (Tesla= 2000 Gauss) compared to the control group water (zero Tesla). Growth performance parameters, feed utilization, chemical composition and intestinal morphometric analysis were calculated in all groups at the end of the experiment after eight weeks. Results: The results indicated that growth performance, feed utilization and intestinal histomorphometric analyses improved significantly (P<0.01) in magnetic water groups compared to control groups at the three levels of feeding rate. In addition, water physicochemical parameters including Ammonia (NH4), Nitrate (NO3), Nitrite (NO2), PH and dissolved oxygen (DO) significantly improved in magnetic water treated groups at the three feeding rate levels. Conclusions and clinical relevance:In conclusion, magnetic treatment of water could improve water quality parameters, fish growth performance, feed utilization, and intestinal histomorphometric analyses at different feeding rate.

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“…Some researchers reported that magnetic treatment affects light absorbance and surface tension of water [20,21]. While others reported that salt removal percentage (SRP) increased with increasing the current at low flow rates up to 0.75 ml/s [22]. With increasing exposed time the magnetized effects is increased, but were weakened with the removal of magnetic field.…”

Section: Resultsmentioning

confidence: 99%

Effect of Magnetic Water on Immune Response in Rabbit against Pathogenic Bacteria

Kamel¹,

Rasheed²,

Hassan³

et al. 2016

ETJ

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This study investigates the effect of drinking magnetically treated water (MTW) on animal's immune response against bacterial infection to see whether MTW improve the health and the immune response of the body, as MTW producers claimed. 32 female rabbits were housed for 58 days and divided into two groups (treated group and control group) where treated group drank magnetized water with 3500 Guse while control group drank tap water. In the twenty three day, they injected with Salmonella typhi somatic antigen (O-Ag) according to immunization schedule for bacteria. Coulter counter was used for measurement of innate immunity (White blood cell, lymphocyte, monocyte and granulocyte) and Architect system was used for detection of adaptive immune system (immunoglobulin M-IgM titer). No significant difference among treated group and control group was observed in innate immunity before and after vaccination with Sallmonella typhi (O-Ag). However, hemoglobin concentrations show significant decrease (p=0.027) in treated animals after vaccination with salmonella typhi O-Ag. Additionally no immunoglobulin G (IgG) was detected after 7 days from the immunization schedule, while IgM was detected and shows a significant elevation (p=0.030) in control group compared with treated group. For this reason magnetically treated water not only has no effect on hematological parameter but also has adverse effect on immune response to bacterial infection in rabbit.

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An empirical model for salt removal percentage in water under the effect of different current intensities of current carrying coil at different flow rates

Cited by 12 publications

References 4 publications

Influence of continuous magnetic field exposure on water properties and subsequent effects on the growth performance, plasma biochemistry, nutritive value and liver histopathology of Jade PerchScortum barcooin a recirculating system

Influence of continuous magnetic field exposure on water properties and subsequent effects on the growth performance, plasma biochemistry, nutritive value and liver histopathology of Jade PerchScortum barcooin a recirculating system

Effects of magnetic water and feeding rate on growth performance and immunity of Nile Tilapia (Oreochromis niloticus)

Effect of Magnetic Water on Immune Response in Rabbit against Pathogenic Bacteria

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