Jianping Xu's research while affiliated with Chinese Academy of Sciences and other places
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Publications (11)
This study investigated the dissolved oxygen (DO) variation pattern in a Litopenaeus vannamei recirculating aquaculture system (RAS) and established an oxygen-utilization rate (UROxygen) model, pure oxygen addition (QOxygen) model, and control model that linked a microscreen drum filter (MDF) with a U-tube oxygenator. The main objective was to prom...
In this study, we aimed to evaluate the effects of solid waste of Citrus sinensis (SWC) supplementation in diet on common carp (Cyprinus carpio) flesh quality and the potential mechanisms underlying these effects. Four diets, each with different levels of SWC (0%, 5%, 10%, and 15%), were formulated and administered to C. carpio (48.83 ± 5.59 g) for...
In this study, electrocoagulation (EC), a green and efficient water treatment technology, was used to improve the performance of the Litopenaeus vannamei (L. vannamei) RAS. The main objective was to investigate the nitrogen migration law of the innovative L. vannamei RAS, establish a nitrogen recovery strategy, and promote the sustainable developme...
Precise feeding in the recirculating aquaculture mode is a critical scientific problem that urgently needs a solution. This study aimed to develop an intelligent feeding technique in a recirculating aquaculture system for rearing Litopenaeus vannamei. The core of the intelligent feeding technique is the shrimp biomass prediction model. Accurate pre...
Electrocoagulation (EC) is an environmentally friendly and effective water treatment technique. It has been recently applied in combination with a filtration process. This study investigated the effects of an alternating pulse current (APC) on the electrodes, treatment efficiency, and energy consumption of an EC−filtration system during the treatme...
Total suspended solids (TSS) are the major factors that reduce water quality in a recirculating aquaculture system (RAS). In the present study, electrocoagulation (EC) was used for the first time to increase the particle size of TSS in RAS and improve the filtration efficiency of the microscreen drum filter (MDF) without reducing the filtration por...
Designing good recirculating aquaculture systems (RASs) is challenging in shrimp aquaculture. In this study, two sets of RASs were constructed using sea cucumber nursery tanks for rearing Litopenaeus vannamei. Recirculating aquaculture was supported by key technologies such as sewage collection and aeration systems adapted to the rectangular tanks...
A recirculating aquaculture system (RAS) can reduce water and land requirements for intensive aquaculture production. However, a traditional RAS uses a fixed circulation flow rate for water treatment. In general, the water in an RAS is highly turbid only when the animals are fed and when they excrete. Therefore, RAS water quality regulation technol...
The aim of this study was to provide technical means and data support for enhancing the filtration pretreatment capacity of a recirculating aquaculture system. A continuous flow electrocoagulation (EC)–filtration system was designed and its application in the pretreatment of marine aquaculture wastewater was studied. The influences of anode combina...
This study aimed to establish a shrimp eyeball-weight relationship model for Litopenaeus vannamei using machine vision technology. A total of 295 shrimp were sampled from a recirculating aquaculture system (RAS). The long-axis length (d), body length (L), and body weight (W) of each individual was measured. The long axis length of the shrimp eyebal...
Citations
... where, Y, β 0 , β i , β ii , and β ij are the predicted response value, intercept parameter, linear coefficient, quadratic coefficient, and interaction coefficient, respectively; X i and X j are independent variables; and n is the number of influencing factors [19,20]. The calculation Formula (3) for the correction coefficient (θ) of the RSM was as follows: ...
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... Compared to traditional farming models, recirculating aquaculture has attracted much attention due to its environmental sustainability, high yields, controllability, and high product quality [4]. There have been several studies of the high-density aquaculture of L. vannamei using a recirculating aquaculture system (RAS) [1,[4][5][6]. ...
... This innovative method may decrease the total environmental impacts in the largemouth bass aquaculture process by 20%. Moreover, a support vector machine, artificial neural networks, and multiple linear regression were used to develop an intelligent feeding technique in a recirculating aquaculture system for rearing white shrimp [47]. Computer vision technology has assisted intelligent feeding in different ways such as underwater image preprocessing, fish weight and length detection, fish behavior analyses, fish target detection, and intelligent fish-feeding decisions. ...
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... Electrocoagulation is another form of coagulation where water is passed over metallic electrodes to cause metallic coagulants to become charged and bond with the colloids and particulates ( Figure 3) [30,39,40]. Electrocoagulation has high potential for mitigating organic and biofouling by removing dissolved organic matter and microorganisms. ...
... 3 of 15 construction of Q Oxygen models. Additionally, considering the close correlation between Q RAS , M Feeding , and the microscreen drum-filter (MDF) backwashing period (T MDF ) [17,18], a model of the relationship between T MDF and Q Oxygen was constructed. Using a T MDF feedback control to Q Oxygen , the automatic addition of pure oxygen during the cultivation of L. vannamei was achieved. ...
... As one of the most productive shrimp species, Litopenaeus vannamei has the advantages of a fast growth rate, adaptability to a wide range of conditions, and strong resistance, and is therefore widely used in aquaculture [1][2][3]. Compared to traditional farming models, recirculating aquaculture has attracted much attention due to its environmental sustainability, high yields, controllability, and high product quality [4]. There have been several studies of the high-density aquaculture of L. vannamei using a recirculating aquaculture system (RAS) [1,[4][5][6]. ...
... An architecture potentially capable of optimizing productivity has been proposed, as it uses simulation software to optimize (i) climate control strategies related to crop microclimate control and (ii) crop management treatments [27]. The design of an intelligent recirculating variable flow aquaculture system, based on machine learning methods, is presented to optimize productivity while maintaining a clean and stable aquatic environment [28]. Furthermore, this monograph deals with the effects of UV-C radiation on the mechanical and physiological properties of potato tubers and various agro-products. ...
... One of the conventional ways of treating wastewater is the use of filters. The same concept is applied to AWW, as the effluent goes through the small pores of the filters, it leaves behind a supernatant free of any contaminants larger than the pore size (Nora'aini et al. 2005;Chen et al. 2015;Xu et al. 2021). However, filtration alone cannot remove the dissolved contaminants, or at least not entirely. ...
... There is, therefore, a need to monitor shrimps in different aquaculture locations using smart systems in order to increase their yield [5]. This led to the wide application of computer vision technology for non-invasive monitoring of shrimps [6] using several types of data such as digital images, video, and sound [7]. Meanwhile, one of the devices usually used to obtain the image data of shrimps from under the water without touching them is a camera [8]. ...
