许多不同的市场使用膜过滤-医疗设备, pharma, optical, wastewater, oil and gas, food, and of course manufacturing. They use membrane filtration to pick what element they need to filter out from the reaction and keep the other elements working in the process.
In surface treatment, it’s very common to use filtration on the paint line when you are doing an e-...
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在许多设施中，维护部门监督废水系统. However, when a plant has a dedicated wastewater operator their whole job is ensuring that the wastewater leaving the facility meets all permitted discharge requirements. 污水处理运营商也被称为水质保护者.
A wastewater operator should receive training for more than just wastewater treatm...
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A manufacturer reached out to us because they were growing and at risk of not meeting their discharge limits. They had worked with other chemical suppliers and were told that they might need to purchase an entirely new system, something that would cost the company up to $310,565.00. Their current system, a very basic system without a lot of computer technology, was outdated. It did not have a ...
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The longevity and durability of any painted application can be difficult to determine given the abbreviated timeframe of development and manufacturing cycles. Yet, it is incumbent on manufacturers to produce coatings that exhibit resilience to time, wear, and environment factors. As such, industry has devised several methods and standards for the evaluation of painted coatings and their associated...
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The Metal Guard product line has been around 20 plus years now and has different variations to meet varying needs. Here are a few questions that should be answered to determine which Metal Guard our experts would recommend.
Is the rust preventative being applied to the part during an in-process step or is this the final step in the production process?
Will the part be stored indoors or outdoors...
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Whether you are using solvent or aqueous cleaner, you need to consider many variables to find the best process to properly clean your parts before heat treatment, to extend the life of your equipment and to supply high-quality heat treatment without any soft spots or stains on the part.
1. What is the contamination? 你用的是哪种需要去除的油?
Do a deep dive into ...
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In recent times, the industrial sector has faced a significant challenge due to the abrupt halt in the production of trichloroethylene (TCE), a versatile solvent widely employed in industrial cleaning and degreasing processes. This unforeseen disruption has compelled businesses to rethink their approach to solvent management and explore innovative solutions to address the scarcity.
Trichloroethyle...
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清洗过程在各行各业中起着至关重要的作用, ensuring the removal of contaminants to maintain optimal performance and longevity of components. This blog takes a closer look at the intricacies of different cleaning processes, shedding light on the essential characteristics that applicators need to consider. 让我们来探讨一下在选择合适的c时最重要的因素...
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One of the biggest wastes in a phosphating application is the productivity loss due to rejects & reworks. As with most multi-step chemical processes, having a clean contaminate-free surface is key to achieving a proper phosphate coating. This enables the reaction to proceed across the entire working surface area and ensures that the substrate is activated and free of problematic soils.
Organic...
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In the process of aluminum cleaning, managing zincate drag-in and avoiding blistering issues is important for ensuring quality. A customer case study reveals a solution that balances quality maintenance and cost-effectiveness, 强调改善治疗过程的重要性.
When a manufacturing customer consistently faced blistering concerns around the third metal turnover (MTO). The...
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Identify the Root Cause
One of the biggest challenges operators face is knowing whether a part is clean enough . 许多问题可以追溯到零件的清洁和预处理不足. Variables are changing upstream that are out of your control, which causes downstream issues. 虽然有时会因为洗澡的问题而出现问题, 很大一部分与无效的预处理有关...
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To the uninitiated, the daily operation of a phosphate bath can appear daunting – perhaps even a bit convoluted. While temperature and concentration are common parameters for most chemical applications, 两种磷酸盐浴都增加了复杂的酸点, acid ratios, dissolved iron, sludging, heating source, & more. 在这篇文章中，我们将重点介绍这些过程的一些关键特性...
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Concrete Corrosion. 提到腐蚀，大多数人想到的是生锈的金属. 没错，但钢筋混凝土也会腐蚀和变质. How so?
钢筋混凝土是每个污水收集系统的支柱. Alkaline materials in the cement phase of concrete are extremely susceptible to corrosion.
硫化氢(H2S)是下水道系统腐蚀的根源. H2S is a by...
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Do you know the chorus of this children’s song?
“But the cat came back the very next day,
The cat came back, we thought he was a goner
But the cat came back; it just couldn’t stay away.
Away, away, yea, yea, yea…”
Like the kitty that kept coming back, thick foam on your aeration basin and digester keeps coming back no matter what you try. Why is that? And what can you do to finally get r...
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Microscopic examination of mixed liquor can be a significant aid in the evaluation of the activated sludge process. The presence of various microorganisms within the sludge floc can rapidly indicate good or poor treatment. One of the operator’s primary jobs is to provide a favorable environment to support bug life. Knowing when and how to use a microscope is one of the most important tools in an...
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Manganese and zinc phosphate coatings have been utilized as established solutions for over a century, 在许多澳门威尼斯人网上赌场中提供经过验证的好处. 除了它们的机械效益和防腐性能, these coatings create an optimal surface for paint adhesion by increasing the substrate’s total surface area with the crystalline coating that is formed. However, for applicati...
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One of the more frustrating aspects of being a paint applicator is having to deal with the buildup of paint on your racks and fixtures. These custom components are a considerable investment for many applicators and ensuring that they remain functional and lasting is critical to managing a process’s operation cost. Several different methods are used to maintain these components including burn-off...
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Question: Can I “overwhelm” my wastewater system?
Answer:
Yes. 当废水系统不堪重负时，就会发生传递事件. 如果进入系统的废水超过了系统的设计处理能力, 这个系统不可能去除所有的污染物. The contaminants are going to go out the door. 所以，当在制造中引入新工艺时，总是要考虑...
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Traditionally, 用二氯甲烷或DCM进行脱漆, which is an excellent solvent that was prevalent across many industrial applications. As manufacturers began to learn more about the chemical’s toxicity and carcinogenicity, 随着更安全的替代方法的出现，它很快就不受欢迎了. 今天的有机脱漆剂更安全，更方便使用. These products ha...
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Bench testing is not an exact science. Each test can produce slightly different results because every wastewater sample is slightly different. By using bench tests to help determine the best chemicals for the wastewater system, 你可以大规模地消除数周的试错. You will still need to adjust the wastewater system while the water flows to dial in chemical feeds, but bench ...
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1 .在你把浴缸放进去之前，钝化水箱和所有的管道. 钝化是指用硝酸溶解镍, using a stainless tank in which you’re putting a passive film which stops it from plating out. 好的硝酸可以防止它立即镀出来. I’ve seen it happen many times. I’ll get the call and say, “Hey, I put...
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What does Earth Day mean to you? For the metal finishing industry, 这意味着我们将继续制造使世界运转的许多部件, from airplane and automobiles to medical devices. If it is metal, we touch it. A side aspect of our industry is that we use millions of gallons of water a year to make these parts. This is water we pull from our communities. In the United States it is es...
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In a recent conversation with Barbara & 艾德·卡内斯伯格《澳门威尼斯人网上赌场》, we discussed the United States Environmental Protection Agency’s (EPA) Toxic Substance Control Act (TSCA). Congress has asked the EPA to look at existing chemicals and evaluate their risk. 他们一种化学物质一种化学物质，一步一步地观察.
The risk evaluation is to determine if there ...
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误解1 / 8:水显然比溶剂“便宜”.
Regular city water alone won’t clean anything. It needs surfactants and detergents that lower surface tension and remove soils. 这些在清洁过程中消耗，需要补充. 需要更高的温度来激活清洁化学物质, 要保证漂洗后良好的湿润和蒸发，哪一点很重要, but that con...
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Hubbard-Hall continues to expand the chemical management and distribution services for semiconductor customers by supplying high purity commodity chemistries and representing strategic suppliers with specialty technologies and products. Particularly over the last couple of years, managing the distribution, warehousing of these materials to ensure that no one is shutting down their lines. Fabricati...
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‘I have used TCE for years. Never had a problem. Now it’s a problem!’
Let’s face it, you are in the business of producing metal parts, not dealing with chemistry. 如果溶剂不能有效地清洁，你只需添加更多. 您可能会测试酸验收，但不是经常测试. So why isn’t that enough now?
旧的开盖脱脂机通过排放损失使用了大量的溶剂 ...
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Which is Better, Solvent or Aqueous Cleaning?
The answer? It depends! 金属部件的表面清洁取决于许多因素.
The type and composition of the contaminant
The complexity of the part to be cleaned
The type of metal
How clean is clean?
Available footprint within the shop operation
Parts throughput
Energy costs
废物处理可用性(室内或外运)
At a h...
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How does TCE go acid?
导致TCE变酸的常见情况有:
Excess water from condensation
Wet parts
Damaged cooling coils
Chlorinated oils
Water-based cutting fluids
Always check with the manufacturer of the vapor degreasing equipment or the supplier of the solvent for guidance.
How do I know if my TCE has gone acid?
酸性验收测试是最准确的检验方法...
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当考虑正确的前后清洗零件, quality is just one consideration for captive heat treaters and commercial shops. 另一个是真空炉和常压炉都可能造成的损害, 给商店的设备带来昂贵的问题，包括:失去真空, contamination to future runs, smoke bombs and shortened quench oil life.
Vacuum Furnaces
3 major manufac...
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A conversation with Hubbard-Hall’s Robin Deal
Robin is a Field Service Engineer specializing in industrial wastewater treatment for 7 years. She spends much of her time in the field educating customers while helping them meet their wastewater permit requirements. When in the lab Robin is working toward finding efficient ways for customers to transform their wastewater treatment processes to ...
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我和许多清理“软”金属的金属精加工工一起工作, specifically aluminum and copper alloys. One common, and more recurring issue I see, is staining of these alloys after the forming lubricants are removed in a cleaning step. In the push to go green, many fabricators are switching to water emulsifiable metal working fluids. 这些润滑油的配方使用不同的添加剂...
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I present to industry on a regular basis, about the importance of “Process over Product” when it comes to getting clean parts in your metal finishing operation. This was reinforced to me more than ever, 本周在一个新客户的现场清洁试验中.
In this particular case we are cleaning a critical aluminum part, and a improved cleaner was needed. But it is only part of ...
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与澳门威尼斯人网上赌场的约书亚·麦克莱伦的对话
As a Hubbard-Hall application engineer, Joshua works closely with customers to understand their specific operations and applications of cleaning chemistry to get better results with less chemistry. 在他的职业生涯中，他曾与多家化工企业合作, 专门从事化工应用技术.
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What are the p...
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Surveys show that only 25% of all metal finishing operations in North America offer electropolishing to their customers. With a possible rise in the need for electropolishing thanks to reshoring efforts for medical parts and equipment, demand could outpace availability as manufacturers seek to find finishers to electropolish those parts to a high specificity.
Fortunately, electropolishing lines ar...
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Tackling Hazy Water Hassles With Absolute Clarity
When it comes to cloudy wastewater, there are any number of reasons you can find yourself in a fog. From residual emulsified oil and surfactants to overdosing on polymers and coagulants, Hubbard-Hall’s wastewater treatment technical team can help you diagnose and treat the problem. 产生浑浊废水的原因有哪些?
Resi...
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Recently, a leading manufacturer of high-value parts for the aerospace industry ran into a cleaning challenge – namely, 真空钎焊过程中零件的清洁度. The existing process was falling short – and experiencing a high field failure rate. Compounding the challenge was a large variation of aluminum alloys and forming processes of the parts.
The customer engaged ...
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A quick list of the most important factors to bear in mind when determining your rinsing process.
Water is becoming an increasingly expensive commodity with even further restrictions in certain areas of the country (pity the poor folks in California). As a result, there has never been a better time to give some thought to maximizing the efficiency of your rinsing process. Put simply, rinsing is a ...
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