water containment Articles
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Top Tip Series: how to mitigate the risks when addressing BWM compliance
In BWC’s first tip we mentioned that in a typical BWTS project, the scope of the project is wide and there are often multiple parties involved. Because of this, without suitable levels of project management, there is a real risk of the project becoming fragmented, disorganised and therefore over-schedule and over budget. At the very outset of the project, ...
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Silica Treatment in Residential Applications
This article is going to explore silica in water and how to treat the water for silica removal. Silicon dioxide is one of the most abundant compounds on earth and having such a high amount of it makes for no surprise that nearly all water contains colloidal and dissolved silica in solution unless it is treated. Silica is a glassy mineral substance that comes in a variety of forms. It is ...
By WECO Filters
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Treatment of drinking water containing iron using Electrocoagulation
Electrocoagulation (EC) technique was adopted for the treatment of iron containing drinking water using a reactor of 3 l capacity having 1 l liquid volume. Experimental investigation was carried out to observe the effect of different operating parameters such as pH, current density, inter-electrode distance and conductivity on the removal of iron from the iron-rich aqueous solution prepared with ...
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[Wellspring] Driving Towards Sustainability: Our Efforts for Eco-Friendly and ESG Management
In 2023, many exciting things are happening in Wellspring. In addition to the water purification business, the system manufacturing and consulting businesses are also expanding their scope, and we are also participating in several projects for carbon neutrality. Wellspring's mission is to provide "technology for everyone who cares about the environment". As you know, one of the key features of ...
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Comparative study on electro-microfiltration (EMF) of water containing different carbon nanotubes (CNTs)
Disposal and penetration of carbon nanotubes (CNTs) into the environment have raised increasing concerns over the years. In this study, a laboratory scale electro-microfiltration (EMF) was used to treat water containing single wall carbon nanotubes (SWCNTs) and multi-wall carbon nanotubes (MWCNTs). The goal was to examine and compare the performance during EMF of SWCNT and MWCNT. The results ...
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Health implications of lipopolysaccharide endotoxins in domestic container water used by rural households in South Africa
This study assessed the occurrence of endotoxins, cyanobacteria and enterobacteria in untreated drinking water stored in domestic water containers by rural households in South Africa. Endotoxins, cyanobacteria, total coliforms and Escherichia coli were measured in the following numbers and ranges in container-water samples: 4–54 μg l−1, 69–64,505 cells ml−1, 9,000–280,000 CFU/100 ml and ...
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Fenton's treatment of actual agriculture runoff water containing herbicides
This research was to study the efficiency of the Fenton's treatment process for the removal of three herbicides, namely 2,4-dichlorophenoxy acetic acid (2,4-D), ametryn and dicamba from the sugarcane field runoff water. The treatment process was designed with the Taguchi approach by varying the four factors such as H2O2/COD (1–3.5), H2O2/Fe2+ (5–50), pH (2–5) and reaction time (30–240 min) as ...
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Hydroman™ Submersible Pump with CutterHeads
Hydroman™ Submersible Pump with CutterHeads is a great option for more permanent pump-out set-ups. Available in a range of sizes, and with its 3-phase electric motor, this pump has the power to clear large volumes of water in minimum time. It features a wide flow pipe impeller and simple internal design to enable large particle slurries to easily pass through with minimum abrasion to the ...
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Hydroman™ Submersible sewage cutter pump
Submersible sewage cutter pump is a great option for more permanent pump-out set-ups. Available in a range of sizes, and with its 3-phase electric motor, this pump has the power to clear large volumes of water in minimum time. It features a wide flow pipe impeller and simple internal design to enable large particle slurries to easily pass through with minimum abrasion to the internals. Depending ...
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Inhibition effect of Na+ and Ca2+ on the bioaccumulation of perfluoroalkyl substances by Daphnia magna in the presence of protein
The authors investigated the individual effect of Ca2+ and Na+ on the bioaccumulation of six types of perfluoroalkyl substances (PFASs), including perfluorooctane sulfonate, perfluorooctanoic acid, perfluorononanoic acid, perfluorodecanoic acid, perfluoroundecanoic acid, and perfluorododecanoic acid, by Daphnia magna in water with 10 mg L‐1 bovine albumin or soy peptone. The bioaccumulation ...
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Monochloramine and total haloamine decay after a short prechlorination time in the presence of bromide
The Chlorine-Ammonia Process was developed recently as a preoxidation process to minimize the formation of bromate during ozonation of the waters containing a significant bromide concentration. Chlorine is added first followed by ammonia 5–10 minutes later, with the goal of sequestering bromide in monobromamine during the subsequent ozonation step. The goal of this research was to improve the ...
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Impacts of salt type and concentration on coagulation of humic acid and silica
Zeta potential distributions of model waters containing silica, humic acid, and differing ionic composition were evaluated. These distributions showed that under high ionic strength and in the presence of divalent cations, positive colloids exist in suspension with neutral and negative colloids. Positive colloids do not form at lower ionic strength or when polyvalent cations are absent. The ...
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Project - Jupiter system at car rust protection facility Denmark
Project Project: Jupiter for Dinitrol Type: Jupiter 15 AG Country: Denmark Client: Dinitrol Copenhagen Capacity: 5 m³/day Year of Installation: 2017 Quotation: Q-1449 Description The system is delivered to an “anti-rust” facility for Cars. In Denmark during winter large amounts of salt are put on roads to melt snow. This has an effect of making the cars rust. To ...
By BioKube A/S
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Sensitivity of response of LISST-ABS and OBS to size distribution changes
This Note shows how the calibration of the LISST-ABS acoustic backscatter sensor and of optical backscatter sensor (OBS) changes when water contains a broad distribution of particle sizes, and why LISST-ABS is inherently superior. Particle size distributions in water are usually not very narrow, i.e. particles of more than a single size exist in suspension. It is common practice to consider ...
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Effectiveness of oxidative filter materials for manganese removal from groundwater
The experiments reported in this paper were conducted at a pilot plant consisting of filtration columns filled with oxidative filter materials. The installation was supplied with water containing manganese in concentrations ranging from 0.2 to 1.4 mg/L. The aim of the experiments was to determine the effectiveness of manganese removal on the three filter media as a function of their internal ...
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Mining Metals Solution Treatability
Integrated Engineers, Inc. conducted a treatability test on water containing metals in solution from a mining company’s analysis labs. Initial pH was below 2, so it was adjusted to 6.5 to 7.5 using caustic. This lowers the solubility of the metals, and helps the Floccin to work better. The Floccin-1105 worked well at a dosage of 2.1 grams/ 1,000 ml of wastewater (treatment dosage of .9 lbs. of ...
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Removal of phenol from saline water by polyamine chelating resin
Removal of phenol from saline water was carried out with chelating resin. A polyamine chelating resin, Diaion CR-20, removed phenol compounds selectively from industrial wastewater containing 2% salt. From saline water containing 20 mg/L phenol, 70% of the phenol was removed. After treatment, phenol was eluted from the resin by aqueous NaOH, and the resin could also be regenerated ...
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Detection of
Vibrio cholerae andVibrio parahaemolyticus by molecular and culture based methods from source water to household container-stored water at the point-of-use in South African rural communitiesDetection methods for Vibrio cholerae and Vibrio parahaemolyticus which included the culture based approach with polymerase chain reaction (PCR) confirmation, PCR detection without enrichment and PCR with a pre-enrichment were developed and their performance evaluated. PCR assays targeted the SodB (V. cholerae species), Flae (V. parahaemolyticus species), 16S rRNA (Vibrio and Enterobacteriacea ...
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ZLD of waste water containing heavy metal - Case Study
Jabil technology (chengdu) co., ltd. is a subsidiary of Jabil group, located in Chengdu, Sichuan province. Jabil group was founded in 1966, listed in the New York stock exchange center, and is one of the world's top 500 companies. The Chengdu plant covers an area of more than 1 million m2 and has more than ten thousand employees. When it is in full production, the Chengdu plant will become the ...
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Treatment Alternatives for Liquid Penetrant Rinse Waters
Explores the options available to process wastewater generated from liquid penetrant inspection. Rinse waters containing residues from the penetrant inspection process are generated from all but Method C (solvent removal). The rinse water contains penetrants (Method A), or penetrants and emulsifier (Methods B and D), which contain oils and surfactants. The water may also contain suspended ...
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