The results of the recent Napa Valley earthquake and its after shocks were tramautic for some, especially wineries using stainless steel storage tanks. Let's explore just what happened, and how wineries can protect their wine stock from damage in the future.
Our goal is to continually update you of any and all internal changes that may affect your poly storage tank system. With that goal in mind, we have a few clarifications and updates on how we now meet NSF certification with polyethylene tank materials.
If you have recently purchased a tank for chemical storage or you are thinking about it, there are a few things you need to consider before and after the purchase to ensure a safe chemical storage system.
A toxic and highly corrosive liquid, hydrochloric acid has several different uses. Within various industries, the specific use of hydrochloric acid can help to determine potential storage challenges.
With all of the uses for polyethylene, there are many companies and plants that need rotationally molded products not currently offered by manufacturers. Thankfully, working with a specialist to build a custom built solution is a viable option in order to manufacture a unique product that meets your exact specifications.
Many of our customers call wanting to know if a tank with a small leak or crack can be effectively repaired, or when replacing the tank is recommended. Let’s discuss the situations where it’s possible to effectively repair a poly tank, and when a replacement tank is the answer.
Storing ingredients for use in food manufacturing requires specialized solutions that meet stringent requirements.
Let’s take a look at some of those requirements as well as options for food grade ingredient storage.
Ten years ago, the availability of commercial grade cross-linked polyethylene for chemical storage tanks was limited to a small number of sources. Since then, Poly Processing led the charge in developing a robust, high-density cross-linked polyethylene for use in large storage vessels.
On July 21, 2014 a chemical storage spill occured at Ardagh Group’s can-manufacturing facility in Roanoke, Virginia. The hydrochloric acid spill could have been a catastrophe, but some very important measures were in place to safeguard against this.
Craft brewing's growing popularity has led several manufacturers to search for cost-effective storage solutions for their ingredients. Polyethylene tanks offer specific advantages to craft breweries.
Clean, sanitary process equipment is essential in many different industries, including food and beverage, pharmaceutical, brewing, and cosmetics. Clean-in-place, or CIP, is the process of cleaning the interior surfaces of the process equipment without requiring disassembly. The process involves a variety of high purity chemicals and cleaning agent formulas that require a specialized storage tank system.
Cone-bottom tanks are generally used in process applications where total drainage of the tank is required. Typical applications would include the storage of heavy materials and materials prone to sludging, which are difficult to drain out of upright tanks.
Bulk stored chemicals can become contaminated from two major sources: dirt or particles, and water or moisture. Maintaining chemical purity is essential in many industrial chemical applications, such as computer chip manufacturing, food processing, clean in place, and pharmaceutical manufacturing. In order to prevent contamination, special accessories like tank vent dryers and desiccant filters may be required.
In locations where chemical storage tanks are subject to earthquakes and heavy winds, tank restraint systems are critical. A proper tank restraint system prevents the tank from sliding or tipping over. Tank restraints prevent against damage to the tank itself, and a potential costly environmental cleanup from a spill.
If you’ve recently purchased a polyethylene chemical storage tank or are planning on purchasing a poly tank, there are several ways to protect your storage solution from the start. To ensure safe, effective operation and a long tank life, we’ve come up with seven guidelines to help you prepare for poly tank installation.
Our Field Services Team regularly receives calls from concerned customers needing help in fixing a leaking fitting. All leaks can be avoided when proper precautions are taken. Let’s first address the causes of leaks from tank fittings, and then cover how to prevent fittings from leaking.
Typically, bulk chemical storage tanks are filled in three different ways. One option is via mechanical pump. This technique creates minimal or no additional pressure within the storage tank. A second way of filling a tank is via gravity, like in the case of leachate and condensate flowing out of a landfill basin into a storage tank.
When you have questions about chemical storage or concerns about your chemical storage tank system, you want quick answers. A solid customer service team takes great pride in delivering service that saves you time and eliminates any hassles.
The first step to creating a safe chemical storage solution is knowing the substance you're storing. If a chemical is new or unknown, we may go so far as to contact the chemical manufacturer to learn more about the chemical and its properties.
Frequently, sodium hypochlorite (bleach) is stored outside. Let’s explore the challenges and storage solutions for sodium hypochlorite tanks located outside.
Poly Processing Company has established a close working relationship with a large, international name brand paint manufacturer. In doing so, Poly has developed customized solutions for large bulk storage tanks containing paint ingredients as well as finished paint products.
Sodium chloride brine is used in a variety of industrial applications. Auto manufacturers, system OEM’s, food processors, municipalities, refineries, hotels, hospitals, commercial laundries, textile dyeing houses, and chemical plants all use brine in their operations.
Firefighting foam is commonly used, and stored in bulk tanks, at airports and other locations where potentially hazardous fires can occur. The foaming agent used in the firefighting foam is a surfactant. Surfactants are compounds that lower the surface tension between two liquids, or a liquid and a solid.
In addition to the comprehensive tank inspection, we recommend proactive, periodic routine tank inspections. The Poly Processing Service Department can conduct these inspections for you to ensure that your storage tank system is performing as expected.
Purchasing a chemical storage tank can be a significant investment. You want to have confidence and reassurance that the tank will function as promised. The strength and transparency of the warranty demonstrates that the manufacturer believes in and stands behind their product.
Anti-oxidants for polyethylene storage tanks are important because, inherently, all poly tanks can become compromised when exposed to highly oxidizing chemicals. Over time, any type of normal polyethylene material exposed to oxidizing chemicals will become brittle. Cracks and leaks may develop at the weaker points of the tank and around the fittings.
NSF/ANSI Standard 61 (NSF-61) is a set of national standards that relates to water treatment. It establishes stringent requirements for the control of equipment that comes in contact with either potable water or products and chemicals that support the production of potable water.
In the fourth installment of our Top 15 Questions to Ask Your Tank Manufacturer series, we tackle a question we get all the time: Why choose cross-linked polyethylene over linear polyethylene?
When brewing beer, specifically designed polyethylene storage tanks provide all the same benefits and consistent quality as stainless steel storage tanks for a tenth of the cost.
Phosphates have many uses in the treatment of potable (drinking) water. Let’s look at the use of phosphoric acid in water treatment and the challenges of storing this chemical.
During the past 15 years, the use of ferric chloride in treating drinking water has become increasingly popular. Significant improvements to product quality, availability, and decreased cost are three factors driving this increased interest in ferric chloride.
Poly Processing takes special care to ensure it is in compliance with ASTM D1998 standards. In the third piece of our Top 15 Questions to Ask Your Tank Manufacturer, we take a brief look at some common questions regarding verification.
Poly Processing utilizes a 17-step quality process. These procedures are followed closely for each tank as it passes through checkpoints at specific departments internally. Each department, including process coordination, molding, quality assurance, assembly and shipping have a hand in the quality process.
Over the course of the next few months we will be covering The Top 15 Questions to Ask Your Tank Manufacturer. In this first installment of this series we will be covering a question we frequently receive about the ASTM D1998 testing standards and how tank manufactures test their tanks.
Fracking has changed the dynamic of oil and gas production in the U.S., boosting oil production to its highest levels in more than 14 years. Fracking requires huge amounts of water, adding to already high operating costs for oil and gas companies. Environmental groups have also raised concerns about the waste of precious water supplies at a time when some states are suffering through droughts.
Rather than settle for the industry standard, Poly Processing strives to define it by developing fittings and accessories that clearly address consumer needs. By analyzing industry requirements and working directly with our customers we are able to gather the information and knowledge needed to develop specialized products that address issues in the field.
In addition to chemical stress, mechanical stress can also cause polyethylene chemical storage tanks to crack. Mechanical stress occurs when the tank’s structure is compromised after a physical impact with another object, over pressurization and rigid plumbing that does not allow for natural expansion and contraction of the tank.
In this article, we'll look at factors causing mechanical stress in polyethylene storage tanks, and offer solutions to reduce the impact of mechanical stress.
In most polyethylene chemical storage tank operating and loading applications, a tank failure is primarily due to two types of stresses: chemical stress or mechanical stress.
Let's explore how chemical stress can cause cracks in polyethylene chemical storage tanks and advanced tank solutions that resist cracking.
Safe water storage is important for both residential and commercial uses. In residential applications, homeowners look to capture rainwater for watering lawns and gardens. Water storage is necessary in a wide variety of commercial processes, including fire protection systems, farming irrigation and livestock care, and for cleaning in nearly all industries.
In this four-part video series, we will review the steps required to install a reverse float liquid level gauge on a polyethylene storage tank.
Purchasing the right chemical storage tank is made simple when you contact a chemical storage tank expert at Poly Processing Company. Based upon thousands of chemical storage tanks manufactured and installed, we recommend these steps to lead you down the right path to getting a chemical storage tank that fits your needs.
In an effort to reduce nitrogen oxide emissions from diesel engines, the EPA issued emission regulation standards in 2010. Selective Catalytic Reduction (SCR) technology, requiring Diesel Exhaust Fluid (DEF), sprays the DEF solution into the exhaust to eliminate NOx emissions in diesel engines.
Pneumatically filled chemical storage tanks have the potential for becoming over-pressurized. Over-pressurizing a storage tank through repeated fill cycles can damage and weaken the tank sidewalls, resulting in stress cracks and premature tank failure. Proper tank venting is needed to prevent over-pressurization.
High-density cross-linked polyethylene offers superior value for storing a wide range of critical chemicals. Gel level testing is the ASTM D-1998 method used to test the cross-link density of the polyethylene. The ASTM standard establishes a minimum for the percentage of cross-linked or polymer connected chains. This article and the downloadable technical bulletin will help to explain this standard.
Having complete bottom drainage in a storage tank is key for safety and proper tank maintenance. Safely maintaining chemical storage tanks presents numerous challenges. Let’s compare the two bottom drain options: the traditional metallic insert fitting and Poly Processing’s IMFO system, or Integrally Molded Flanged Outlet.
While many of the chemicals stored within polyethylene tanks do not require side manways, they are available and have several benefits. Fiberglass and stainless steel side manways provide the end user with the ability to do cleanout, maintenenance, etc. without entering the tank through the top opening. The connection between the side manway and the storage tank is designed with a radiused mounting saddle and hardware that provide the key to achieving an excellent sealed connection.
Sodium hydroxide, also known as caustic soda or liquid lye, is commonly used to adjust pH levels in water and wastewater treatment. Caustic soda is also used in the manufacturing of chemicals, rayon, cellophane, paper, detergents, soaps, and a variety of other products.
On January 9,2014, a chemical spill fouled the water supply for thousands of West Virginians. "Crude MCHM," 4-methylcyclohexane methanol used in washing coal and removing impurities, leaked from the Freedom Industries facility into the Elk River near Charleston, WV.
Let’s examine the factors contributing to the Elk River spill.
Hydrochloric acid, or muriatic acid, is a pungent liquid with highly corrosive properties. As a result, specialized storage solutions are required to insure safety. Let’s explore the storage challenges and solutions for hydrochloric acid.
As a colorless, fuming chemical, hydrofluosilicic acid offers its share of storage challenges. Let’s explore these challenges, and the storage solutions of hydrofluosilicic acid.
Sulfuric acid is used in a wide variety of industrial applications. It’s commonly used in water and wastewater treatment and in the manufacturing of chemicals, fertilizers, and car batteries. Sulfuric acid inherently releases high amounts of heat and presents unique storage challenges. Let’s look at the storage challenges and solutions for sulfuric acid.
Kick off the new year safely! Every polyethylene chemical storage tank, regardless of age, should be inspected every year. A careful and thorough visual inspection assures the safety of employees, protects the integrity of the chemicals stored, and helps extend the life of the tank.
The Bellows Transition Fitting provides secure yet flexible, fully contained SAFE-Tank® bottom discharge. A PTFE expansion joint is incorporated to allow the tank to expand and contract freely during loading and unloading. This fitting virtually eliminates damage from piping vibrations caused by pumps.
In most cases, chemicals stored in polyethylene tanks require venting. In some instances, the harmful fumes emitted from the chemicals can not be directly released to the atmosphere. In order to reduce the harmful fumes before they evacuate the system and to control air pollution, fume scrubbers are installed.
Let's take a look at how fume scrubbers work and the scrubber solutions for polyethylene tanks offered by Poly Processing Company.
Safe chemical storage is our number one priority. A safe storage solution is able to stand up to impact, UV attack, chemical attack and should be able to withstand catastrophic failure. Poly Processing Company in conjunction with the University of the Pacific in Stockton, CA conducted a pressure test to compare the strength of our cross-linked polyethylene tanks to an ordinary linear polyethylene tank.
We're always working to improve the strength and longevity of our polyethylene tank solutions. In a measure to see just how much force a storage tank could stand up to, we performed a series of tests.
Stainless steel has long been the tank material of choice for storage in the food and beverage industry. Historically, businesses have been hesitant to choose polyethylene storage solutions, believing the porous resins would allow leaching and bacterial growth.
Now, with advanced resin technology, polyethylene offers FDA/CFR compliant storage with cost savings advantages for food and beverage operations.
At Poly Processing, our goal is to build innovative solutions to complex chemical storage challenges. Far beyond simple plastic tanks, we have developed a variety of products to address specific needs of chemical storage in order to ensure safety, ease of maintenance, and tank longevity.
From pink yard flamingos to dump truck beds, and hundreds of other sized products in between, rotational molding is an efficient manufacturing process. Rotational molding is especially effective in the manufacturing of chemical storage tanks. Let’s look at the advantages of rotational molding, and the value Poly Processing can bring to you.
The most important factor in extending the useful life of a chemical storage tank begins on day one. Installing the chemical storage tank on a smooth, level, stable surface, making sure venting is adequate, and tank fittings are properly attached minimizes potential cracks and leaks that could lead to tank failure.
Selecting the right sidewall fittings for a poly chemical storage tank is crucial. The proper fittings ensure optimum function and maximum life of the polyethylene tank. Proper sidewall fittings avoid tank leaks and spills. Selecting sidewall fittings purely based on cost can lead to an expensive mistake. Let’s explore the three types of sidewall fittings and when they should be used in tank configurations.
For the answers to your chemical storage tank questions, better call the Poly Processing Field Service team. Poly Processing Field Service responds to chemical storage tank concerns in three main areas.
We're pleased to announce that we've added 16 pages of new content to our complete product catalog. The catalog now includes 80 pages of chemical storage guidelines, Poly Processing Company tanks, tank accessories, custom fittings, and much more.
It’s simple common sense. A longer-lasting storage tank is a less expensive storage tank. One question we hear frequently is: “How long should a high-density crosslinked polyethylene tank last?”
A wide variety of colors are available for polyethylene storage tanks. Cosmetics to match the surrounding buildings and landscape, customer preferences, and the application or the chemicals being stored are factors determining tank color selection. However, one color almost always selected for higher end storage solutions, such as storing harsh, aggressive chemicals such as sodium hypochlorite, is black.
Sodium hydroxide is commonly used in wastewater treatment to adjust the base pH levels. This chemical is also widely used in manufacturing a variety of products such as chemicals, rayon, cellophane, pulp and paper products, aluminum, detergents, and soaps. The properties of sodium hydroxide present special storage and handling challenges. This article will examine the properties of sodium hydroxide and appropriate storage solutions.
Fats, oils, and greases present a significant challenge to municipal solid waste and waste water treatment operations. Most waste water blockages can be traced to an accumulation of fats, oils, and greases, resulting in sewage spills, manhole overflows, and sewage backups in homes and businesses. As a result, many municipalities already confronted with tight operating budgets, are passing the cost and responsibility of storing and disposing of fats, oils, and greases along to businesses.
Leachates are liquids that migrate from the waste from landfills. Rainwater and moisture existing in landfill waste produces the leachates which carry dissolved or suspended contaminants. It’s essentially the waste from the landfill that can potentially seep into the surrounding ground and surface water. The landfill is responsible to control of this potential contamination.
The ability to mix chemicals is crucial in certain industrial processes and wastewater treatment applications. The primary goal for a polyethylene chemical storage mixing system is that it is properly designed to mix chemicals safely and cost effectively.
Polyethylene tanks are able to accommodate a wide variety of fittings and locations of fittings. A common point of confusion that we hear from customers is: Which fittings can I use on my tank, and where can they be installed?
Polymers are used in the headworks of wastewater treatment to facilitate flocculation. Polymers also aid in de-watering of digester cake, reducing the water content and permitting easier, less expensive transport of waste materials to the landfill. Polymers present unique storage challenges and require the right storage solution for safety and cost effectiveness. Let’s explore these challenges and solutions.
Certain chemicals, ferric, alum, and hydrochloric acid, are inherently high temperature chemicals. To avert catastrophic failure of a tank, a margin of safety is required to manage risk.
Commonly used to remove suspended solids in wastewater treatment, ferric and alum require specialized storage solutions. This article will examine the challenges of storing ferric and alums, and offer safe, practical storage solutions.
SAFE-Tank® poly chemical storage tank systems safely store chemicals and prevent damage and injury from chemical exposure without the need for an additional containment unit.
Maintaining the proper temperature of a chemical is often critical to safe storage. Learn more about tank heating systems and see answers to frequently asked questions.
While polyethylene is the superior storage tank material choice for storing many chemicals, certain chemicals are incompatible with poly tanks.
Safely and properly storing sulfuric acid presents many challenges. This article will address the challenges of building a sulfuric acid storage system.
An emerging technology for DOT tanker trailer transportation applications and oil field operations is to poly coat steel vessels. See why this process is ideal for DOT and oil/gas fracking operations where chemical transport is required.
Proper venting of chemical storage tank systems ensures safe operation and also extends the useful life of the tank. This article will examine how to determine proper venting for polyethylene chemical storage tanks.
In this video, we'll take a closer look at the SAFE-Surge manway cover, designed specifically for pneumatic-filled polyethylene chemical storage tanks.
Selecting the proper fittings to make sure your chemical storage tank functions at optimum levels and to extend the life of the tank is often a confusing and frustrating process. We make it east to determine what fittings to use and where to place them on the tank.
A question we hear quite frequently is, “Can I bury a polyethylene tank?” While polyethylene storage tanks have many advantages over other tank materials, polyethylene is not the solution for underground storage.
In this video, we’ll take a look at the components that make up an electrical heating system used on a polyethylene chemical storage tank.
On the surface, polyethylene storage takes can look pretty similar. It’s tough to tell a more expensive, well-designed and constructed tank from a cheap, inferior tank. Many customers are unaware that there is a standard for tank construction based upon resin properties and testing, or they simply assume all tank manufactures follow the ASTM D 1998 standards.
Poly Processing stands alone in the chemical storage tank industry as the only manufacturer to NSF/ANSI 61 certify not only the polyethylene tank itself, but all fittings and parts within the chemical storage tank system. This delivers peace of mind to waste water treatment facilities, knowing the entire system meets the highest standards for public safety.
Starting a winery is often a passion, but it’s not for the faint of heart. The equipment used in a winery is expensive. A cost effective alternative to storing wine for aging in oak barrels or stainless steel tanks is a polyethylene wine tank.
Since a small leak in a polyethylene chemical storage tank can lead to a big expense, a leak detection system is vital. A common question we encounter is “ Exactly how do you detect leaks in poly chemical storage tanks?” Let’s examine the two leak detection options: optical and ultrasonic.
Chemical storage tank failure can be extremely dangerous and expensive. In this article, learn why chemical storage tanks fail and how to avoid these catastrophic events.
Tanks may be colored for aesthetics, branding, chemical identification and to reduce transmission of radiant heat through the plastic. In this article, explore advantages and disadvantages of each option for coloring polyethylene chemical tanks.
In this article, we’ll highlight the advantages of high-density crosslinked polyethylene and also pinpoint when OR-1000™ is the appropriate option.
In this video, we'll review how we insulate polyethylene chemical storage tanks at Poly Processing. The insulation maintains the temperature of the chemical being stored.
If the very first question your chemical tank supplier asks isn’t, “So, tell me, what kind of chemical are you storing in this tank?”, you are doing it wrong. Let’s look at why it’s so important to get your chemical storage system right based on the chemical being stored.
One natural event that could potentially lead to catastrophic risk, resulting in a complete failure of a chemical storage tank system, is an earthquake. Let’s explore steps to take to protect your chemical storage tank in the event of an earthquake.
Let’s examine the challenges of fiberglass tanks and fiberglass tank repair to determine if fiberglass tanks are a wise choice for chemical storage.
Anytime a chemical tank is located outside, it’s exposed to the elements, such as sun, wind, and rain. This article will explore solutions to protect outdoor polyethylene storage tanks from UV damage.
In addition to physical treatment, such as screening and filtering processes, and biological treatment, which includes oxidation ponds and lagoons, chemicals are essential in wastewater treatment. Let’s look at the chemicals used during the wastewater treatment process, and highlight the chemical storage considerations.
Polyethylene storage tanks play an important role in municipal water treatment. This article will explore the five typical steps used in municipal water treatment and examine the use of polyethylene chemical storage tanks in treating water for domestic use.
Learn the different types of chemical storage tanks lids and determine which type of lid is right for your specific application.
Explore what NSF/ANSI Standard 61 means and how to make sure your storage tank system meets the necessary requirements.