Southeastern Tank | May 2,
Choosing a liquid storage tank should be easy, right? It's a tank that holds liquid. How much difference could there really be? The truth is, there are pros and cons to all types of tanks, and the only way to choose the best product is to weigh those pros and cons against your needs. Let's examine two of the most popular tanks, the epoxy-coated Columbian TecTank® and the glass-fused-to-steel Aquastore,® to determine which might be right for your application.
The biggest advantage to choosing an epoxy TecTank® is budget. If you are limited in what you can spend or are willing to spend, these tanks are often the best choice and have a wide variety of applications. They are often ideal for small capacity tanks, as well, because they provide a significant cost advantage over other materials.
The biggest disadvantage to choosing TecTank® is longevity. In many applications, the tank will most likely need to be replaced in 20 years. For leachate tanks and wastewater tanks, the lifespan can be much shorter.
Some utilities and businesses have had poor experiences with TecTank® in the past. However, in more recent years, the technology has evolved to include thicker steel, fewer penetration points and an optimized bolt pattern designed to address some previous weaknesses and customer concerns. TecTanks® can also be expanded, if necessary, as storage capacity requirements change over the years. Though given their shorter lifespan, this option isn't always the most cost-effective over the life of a tank.
Aquastore® glass-fused-to-steel (GFS) tanks have become extremely popular for their durability and long life. The fused coating is ideal for any application but they are particularly effective at holding aggressive liquids like wastewater and landfill leachate, because the coating withstands the chemical attacks that can damage and deteriorate other types of tanks. GFS tanks never need to be repainted, and regardless of what is stored inside, they can be cleaned with a power washer and require very little maintenance. Like TecTank®, Aquastore® tanks can also be expanded to meet changing needs over time.
The number one drawback of Aquastore® tanks is price. They can be significantly more expensive than epoxy tanks, and the upfront costs can be out of reach for many business and utilities. However, it is worth exploring the total cost of ownership over the life of the tank, as maintenance costs are much lower with a GFS and they do not need to be replaced as often.
There is no universal 'right' tank. Before looking into various tank options, assess your business' needs, budget and compliance requirements. Tanks are always evolving, so it's important to get the most up-to-date information'the more details you can gather, the better. Once these specifications are outlined, a reliable partner can help you choose the best materials and find a solution that works for your needs.
Glass Fused to Steel Tanks (GFS) are popular for leachate treatment applications. However, they do have some negative characteristics. We thought it would be useful to discuss our view of GFS tanks. Read on to find out more!
CSTR biogas digester tank tanks are the most popular tank specifications. We will discuss the pros and cons of each.
This tank construction technology can be described using a variety of terms, including GFS tanks (GFtS), enamel tanks (ENA), and Glass Fused Bolted Steel tanks (Porcelain Enamelled).
Leachate treatment tanks should always be durable. This means that they must resist corrosion, impact, and abrasion. Although these tanks possess this characteristic, the steel tank material used is inherently prone to corrosion by oxidation in aerobic tanks. If penetration occurs in a leachate aeration tank, despite the pH being close to neutral it can be surprising how fast a corrosion cell at the exposed point of damaged steel can develop into a leak.
The premium coating technology in the storage tank industry is without doubt glass-fused-to-steel. Glass Fused-to-Steel tanks are used in many applications in addition to leachate treatment and storage, including bio-energy, municipal sewage and industrial wastewater treatment.
It shouldn't be difficult to choose a liquid storage container. It's a liquid storage tank. What is the difference?
The answer is that all types of tanks have their benefits and disadvantages. The only way to find the best product is to compare them against your requirements.
Bolted tanks made of glass-fused steel (or enamelled steel) are a premium next-generation technology designed for long-term performance with minimum maintenance.
Because they combine the hardness of steel with the corrosion resistance of glass, these tanks are not only the most popular tank material for wastewater and leachate treatment. They're also great for holding potable water, dosing chemicals, many industrial reagents, bio-digesters, sludge, and dry bulk materials.
During manufacture 'frit d'enamel' (ground glass) is chemically fused with steel sheets at very high temperatures (800 ' 1,000 degrees C) in a cutting-edge furnace to create an integrated porcelain-like coating that is securely bonded, chemically inert, and through which no can pass.
Suppliers claim that these tanks can tolerate temperatures ranging from 140°F to and from 3-11 pH without corroding.
They also have a lengthy track record of proven performance, with tens of thousands installed for municipal and industrial purposes worldwide over the last 65 years.
Glass compounds are chemically fused to steel sheets at high temperatures (800- degrees C) to create an integrated porcelain-like coating known as frit. This is chemically inert and physically inert and very hard, resisting erosion by grit and small stones.
They have also been used in countless industrial and municipal applications worldwide for the past 65 years.
Advantages of glass fused to steel tanks
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Glass fused to steel liquid containers combine the strength and flexibility that steel offers with remarkable corrosion resistance. This storage tank has many advantages over traditional epoxy-coated or welded painted storage containers, including:
Even stainless steel (SS) tanks can suffer corrosion. In leachate treatment, reactor tank applications SS quite possibly cannot withstand the very high levels of sulphur that may accumulate at the top of commercial digester tank rims.
Glass Fused to Steel Tanks don't come with totally positive reviews. Although the drawbacks aren't too severe, they are worth noting:
All of these issues can be avoided by following good design, installation, as well as operational practices.
Leachate Tanks in cool-climate countries are must usually covered with external thermal insulation material. At the outer edges, this can be done using plastic-coated insulted aluminium profile sheets. This is done to protect the GFS tank insulation once it has been installed. This also shields the tanks from accidental impact damage to the fused-to-glass-enamel while they're in use.
GFS tanks have many great advantages. However, their greatest disadvantage is often their high cost compared to some other steel tanks. Epoxy tanks can be less expensive than glass-lined ones.
Many businesses might think they won't be able to pay the upfront fees. It's worthwhile to look at the total cost of ownership over its lifetime. Maintenance costs are lower and don't have to be replaced as often with a GFS.
Glass-fused-to-steel tanks are increasingly popular among engineers and other professionals in the industry. These tanks are resistant to defects and will last for decades in even the most challenging conditions. Glass fused tanks must be constructed using this unique glass-fused to-steel technology. The quality of the tank must also be certified ISO .
Porcelain-enamelled tanks are very durable and do not require recoating if they are well made.
Although steel, aluminium, cast iron and copper can all be used to coat glass substrates, porcelain enamelled tanks made from steel are the best. The tank's dimensions will determine the type of steel that is used. Larger tanks might require a stronger grade of steel.
Only manufacturers that have ISO certification can be purchased from. This means the units must pass 16 standard inspections before they are allowed to go on sale. Because of their low maintenance requirements, glass fused to steel tanks are excellent for the storage of potable, municipal, and industrial fluids.
GFS Tank suppliers and erectors are the best in the business. They offer a complete service including foundation installation, sidewall erection, and roof construction.
Tanks are usually constructed in less time than in-situ concrete options.
For easy transport and handling, tanks are delivered flat-packed to construction sites.
The kit's main components are the glass-fused to-steel panels. They are ready for bolting together and can be customized with any cut-outs for manways, nozzles and other accessories.
The leading companies provide building crews that are trained and certified in the erection process. This ensures the same quality control on the ground as in the factory. The panels are assembled and sealed with a high-performance seal appropriate to the substance.
All bolt heads are plastic-capped to protect them from corrosion in the environment.
The bolt head seals and protects the shank from contact with process fluids. It is done by pressing mastic between the panels.
Only properly qualified erectors are required for the construction of these tanks. This cannot be done with on-site labour.
There are many options for liquid storage tanks. They come in different sizes and capacities, ranging from hundreds of thousands to millions of gallons. This allows you to meet the most stringent storage needs. GFS tanks, or tanks made from glass fused, are the most common single tank type.
Many experts in biogas plants believe that Glass Fused To Steel Tanks make a great choice for sequencing batch reactors (SBRs) as well as other leachate treatment processes, and ancillary tank uses.
This tank is capable of holding more aggressive liquids than any other tank, such as digestate and wastewater. The tank's tank cover is also resistant to a chemical attack that could otherwise cause damage to other tanks.