“Megacities” is one buzzword that has been doing the rounds for quite some time, not just among industry experts but even the general public.
Before, we take a look at what are megacities and how they are all set to change the global economy in unprecedented ways, let’s take a quick look at how urbanization has evolved over the years.
The Era of Huge Cities and Rapid Urbanisation
In the 1800s, less than 5% of the world’s population resided in urban areas. The rest were spread out among villages, country houses, and towns. Today, 55% of the world’s population lives in metropolitan regions aka cities. This is a dramatic transformation. As humanity experiences massive improvements in lifestyles, rapid urbanization is the norm rather than the exception. This has led to the growth of “Megacities.”
Not just Cities, but Megacities
It’s not that most of us live in urban areas, but a colossal population lives in huge urban pockets. At the very beginning of the 19th century, Beijing was the only city on the planet to have a population of more than 1million. Today, there are more than 450 cities spread all across the planet, that house more than 1million people each. This accounts for nearly 22.7% of the world’s entire population.
Just four decades ago, only New York and Tokyo were categorized as “Megacities” owing to their population and area. Today, there are nearly 30+ megacities that are home to a staggering population of more than 10million people each. The largest of all megacities is Tokyo (37.6million). The others include famous cities like Delhi, Mumbai, Jakarta, Seoul, Manila, and lesser known ones like Nagoya, Guangzhou Foshan, and several others.
Challenges Faced by Megacities & Its Impact on the Pump Industry
While there’s no denying the fact that megacities have made a significant contribution in improving the economic and social aspects of life, they come with their unique set of challenges. Let’s take a look at these challenges and how it impacts the Future of the Pump Industry.
One of the major problems of megacities is that the rapid rate of expansion and urbanization of these cities are not in hand with the capacity of the national and local planning civic bodies. Meaning, it becomes tough for the government to monitor the growth and transition efficiently, sustainably and equitably.
This has led to an urgent need for water management solutions in megacities. Besides water supply, megacities have to deal with sanitation, wastewater management, storm water and rainwater drainage and other issues. All of these are impacting the water pump industry big time.
The Need for New Age Pumps
In Construction:
With the growth of megacities, the demand for pumps in the construction sector is huge. Right from building infrastructure to repairing existing systems and updating them with new technologies, pumps in the construction industry like Split Casing, Multistage and mixed flow pumps are all set to increase.
In Process Industry:
The emergence of megacities means that there’s a huge growth of various Process industries like paper, food, electronics, consumer goods and other processing factories. This has led to the demand for new centrifugal industrial pumps that can meet the growing requirements of these huge new-age factories.
Energy-efficient Pumps:
With the growth of megacities, more and more people are looking for eco-friendly and green alternatives. This means that pumps have to move from conventional sources of energy and look to alternatives. This has led to the demand for energy-efficient pumps.
The Last Word
This presents both challenges and opportunities for the pump industry. You can no longer use existing pump systems to meet the high demands of these megacities. There arises the need for pumps that are explicitly designed to cater to these huge urban pockets.
This is where pump suppliers like Sintech play a huge role. With a long history of innovation and research, Sintech is always focusing on new pumps to address the latest demands of the market.
Whether you’re looking for mega water pumps to supply huge residential areas or industrial pumps, Sintech is here for you. Our pump experts analyze your specific needs and build you custom solutions that meet all your particular requirements. Our expertise spans various verticals like water and wastewater management, power, sugar, steel, paper and other processing industries.
To begin building your custom solution, all you have to do is give us a call at +91-120-4176000 or drop a line at info@sintechpumps.com. Our design experts get in touch with you and walk you through the entire process right from design to installation.
Let’s work hand in hand, building the cities of the future! Let’s get started!
Corrosion is a chemical reaction that occurs between the pump’s surface and the fluid that passes through it. It is of different types – uniform or general corrosion (that occurs all through the pump’s surface) and localized corrosion (that occurs in specific parts of the pump like crevice and pitting).
Generally, metals that are prone to oxidation suffer from localized corrosion, whereas metals like stainless steel suffer from uniform corrosion.
Another important type of corrosion in
When the fluid being transferred contains abrasives like sand, dust and other fine particles, it can cause the pump to erode especially when the flow velocity is high. Erosion is a commonly occurring phenomenon in the injection pumps used in the oil and gas industry. In undersea oil and gas explorations, the pressure must be high to force the water back into the oil field. The entrapped sand particles at these high pressures erode the pump and affect its efficiency.
You can reduce erosion in three ways:
In industrial applications, where both erosion and corrosion are present, it can cause degradation of the pump mechanism quickly. Corrosion may create oxide layers that are prone to erosion. On the other hand, erosion may bite into the passive underlying layers, which in turn, accelerates corrosion.
When your pump undergoes erosion and/or corrosion, it affects the overall efficiency of your pump system. This, in turn, leads to increased downtime for repair and maintenance, which in turn, reduces your industrial output while increasing operational costs.
You can prevent the harmful effects of erosion and corrosion on your industrial pumps in two major ways.
By choosing the right materials for the construction of your pump, helps to mitigate the problems faced due to erosion and corrosion.
For example, if you are looking to purchase cast iron or carbon steel pumps to reduce the overall costs, make sure to factor in the corrosion rate to the maintenance costs. If the maintenance cost calculated after including the corrosion rate is acceptable, you can choose pumps made of carbon steel or cast iron.
If this maintenance cost is beyond your budget, it makes sense to pay extra and purchase pumps made from stainless steel and other materials that have a long shelf life. While some grades of stainless steel is more corrosion and erosion resistant, it can become susceptible to corrosion if the passive layer is damaged. When the passive layer (outer layer) is damaged, the base layer gets activated, which then starts to corrode.
Another main reason for erosion and corrosion effects in stainless steel pumps is because of stagnant conditions. Similarly, if the chlorine level in the displaced fluid is high, it can have a corrosive impact on a stainless steel pump.
By using advanced coating technologies, you can significantly improve the durability and performance of your industrial water pumps.
Generally, coatings like Fusion Bonded Epoxy, a polymeric coating can be applied to pump components to reduce the effects of corrosion and erosion. Furthermore, polymeric coatings also improve the hydraulic performance of the pumping process.
With that said, polymeric coatings don’t work well for applications that have high flow velocities. In such cases, you can opt for galvanic protection to reduce the effects of corrosion and erosion.
Another popular coating is carbide coating. Tungsten along with nickel, cobalt, and chrome are used to provide corrosion resistance. With significant advances in coating technologies, you can now choose bespoke coatings that are tailor-made for your specific application requirements.
As the term implies, industrial water reuse is the practice of using treated wastewater in other non-critical applications as a way to conserve water. From food production to automotive and aerospace technology, businesses across industries have integrated water reuse practices.
Industrial wastewater generated can be treated in several ways like using an RO (Reverse Osmosis) system, or 
The maximum-free flow impellers used in our new-gen range of wastewater pumps offer you maximum efficiency with minimum clogging risks. The asymmetric arrangement of the vanes offers a large uninhibited passage, which allows solids of different sizes to pass through the system without any difficulties.
The slightly convex profile of the central hub in the middle of the impeller prevents the risk of clogging. Whether you are using submersible or centrifugal type of wastewater pumps, the new range of impellers offers you clogging-free operation.
Energy-efficient Motors that Provide Optimum Efficiency
Using our range of new-gen wastewater pumps that offer optimum efficiency provides you with considerable energy savings. The motors are highly economical to use and are suitable for all applications.
You are assured of maximum energy savings due to low energy operational requirements, and reduced maintenance costs. With optimum operations, you are assured of constant performance.
Customized Wastewater Pumps for all Requirements
Irrespective of the type of wastewater treatment method you use, Sintech’s extensive range of specially-adapted impellers and energy-efficient motors offer you a wide range of wastewater pumps. 
