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WASTEWATER TREATMENT WORKS CONTROL TROUBLESHOOTING CLARIFIERS

WASTEWATER TREATMENT WORKS CONTROL TROUBLESHOOTING CLARIFIERS

By Administrator Enviro Metsi Posted Monday, November 11, 2019 0 comments

Secondary Settling Tanks play a key role in the overall performance of a Wastewater Treatment Works (WWTW).  Today we are focussing on the aspects that could cause this Process Unit to perform sub-optimally High Concentration of Solids in the Efflue ...

Read More...
Wastewater Treatment Works Control Parameters: Dissolved Oxygen

Wastewater Treatment Works Control Parameters: Dissolved Oxygen

By Administrator Enviro Metsi Posted Monday, October 28, 2019 0 comments

Previously we looked at the accumulation of brown scum of the reactor surface and listed low Dissolved Oxygen levels due to excessive loading as one of the possible causes.   Today we'll be looking at that issue in a little more detail Plant Loading ...

Read More...
Troubleshooting: Accumulation of brown scum on reactor surface

Troubleshooting: Accumulation of brown scum on reactor surface

By Administrator Enviro Metsi Posted Tuesday, October 8, 2019 0 comments

What to do when noticing the accumulation of brown scum on the surface of a Biological Reactor in an Activated Sludge Plant:As always, start by looking at the probable causes:ØThe growth of scum-forming filaments occurring within the processØLow Diss ...

Read More...
The Chemical Tests Needed for WasteWater Treatment

The Chemical Tests Needed for WasteWater Treatment

By Administrator Enviro Metsi Posted Thursday, October 3, 2019 0 comments

With the ever-increasing focus on Water Resource Management it is becoming increasingly more important to ensure that the performance of every plant is properly gauged. One of the best ways of ensuring that this is done is by the regular assessment a ...

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Celebrating Our Water Treatment Professionals

Celebrating Our Water Treatment Professionals

By Administrator Enviro Metsi Posted Tuesday, October 1, 2019 0 comments

We always hear about the heroes in movies – the men and women who protect their cities with their lives, the ones committing their lives to a noble cause.  Today we acknowledge the Water Treatments Professionals who have committed their lives to prov ...

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Introduction to Calcuations

Introduction to Calcuations

By Administrator Enviro Metsi Posted Thursday, September 26, 2019 0 comments

All calculations begin with determining the minimum data needed. This consists of identifying sampling points and the substances of concern, as well as determine which substances need to be included. At Enviro Metsi, we specialize in various servi ...

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World Rivers Day

World Rivers Day

By Administrator Enviro Metsi Posted Monday, September 23, 2019 0 comments

With all the special days dedicated to raising awareness for such a variety of causes, it is easy to overlook something like World Rivers Day.  This day is a global celebration of the waterways of the world and is celebrated annually on the fourth Su ...

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Domestic Water Quality Parameter - Calcium

Domestic Water Quality Parameter - Calcium

By Administrator Enviro Metsi Posted Friday, September 20, 2019 0 comments

Previously we started exploring the information contained on the label that is found on a bottle of spring water or prepared water. One of the parameters typically listed is Calcium, the element we will be looking at today.Calcium is an essential nut ...

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FAQ - Drinking Water Quality

FAQ - Drinking Water Quality

By Administrator Enviro Metsi Posted Tuesday, September 17, 2019 0 comments

One of the most commonly asked questions when it comes to potable water relates to where it comes from and what makes water safe to drink.  This is exactly what we are looking at todaySafe drinking water is water that is acceptable for humans to drin ...

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One little drop of water Part 11

One little drop of water Part 11

By Administrator Enviro Metsi Posted Thursday, September 12, 2019 0 comments

The little drop of water was so lost in thought as to why someone would be interested in him and his friends that he didn’t even realise that he was on the move again.  He started moving faster and faster and before he knew it, he was being pushed th ...

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Troubleshooting: Poor Floc Formation

Troubleshooting: Poor Floc Formation

By Administrator Enviro Metsi Posted Tuesday, September 10, 2019 0 comments

Today we will be looking at some of the problems a Process Controller might experience while dealing with the Water Treatment Process.  Our focus for today is on the Coagulation & Flocculation process :Poor Floc formation (dispersion, size and break ...

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Water Quality: The Nutritional Facts provided on Prepared Water Bottles.

Water Quality: The Nutritional Facts provided on Prepared Water Bottles.

By Administrator Enviro Metsi Posted Thursday, September 5, 2019 0 comments

When was the last time you held a bottle of prepared water in your hands?  You know, the kind you buy off the shelf from the cooldrink fridge at your local shop.  When was the last time you truly considered what the labeling on the bottle is all abou ...

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Where does your sewage go?

Where does your sewage go?

By Administrator Enviro Metsi Posted Tuesday, September 3, 2019 0 comments

It all started with a man named Joseph Bazalgette. This 19th-century English civil engineer is credited with the creation of a sewer network for central London. With his design, he changed the way we think about sewage treatment. Today sewage pipes a ...

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One little drop of water Part 10

One little drop of water Part 10

By Administrator Enviro Metsi Posted Thursday, August 29, 2019 0 comments

The little drop of water liked his next location the most out of the places he had been before. There were no loud noises, no sudden movements - just a gentle hum as if everyone around him breathed a sigh of relief.  He found himself in a dimly-lit p ...

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World Water Week

World Water Week

By Administrator Enviro Metsi Posted Tuesday, August 27, 2019 0 comments

This week we are highlighting World Water Week. This event is hosted by SIWI (Stockholm International Water Institute) in Stockholm, Sweden between 25 and 30 August 2019 to create a focal point for global water issuesThroughout this week the UN-Water ...

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Day in the life of a Treatment Plant Process Controller

Day in the life of a Treatment Plant Process Controller

By Administrator Enviro Metsi Posted Tuesday, August 20, 2019 0 comments

Have you ever wondered what goes on at a Water Treatment Plant? Today we will be looking at a typical day in the life of a Water Treatment Plant Process Controller. Each day carries some new opportunities and challenges that make this job ever so exc ...

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Calculating our waterfootprint

Calculating our waterfootprint

By Administrator Enviro Metsi Posted Tuesday, August 13, 2019 0 comments

The average American uses 2 200 gallons of water a day. That is a whopping 8 338 litres of water. South Africans have a water footprint of around 908 gallons (3 441 litres) of water per person per day.   Keeping in mind that there are approximately 5 ...

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National Women's Day

National Women's Day

By Administrator Enviro Metsi Posted Thursday, August 8, 2019 0 comments

With tomorrow being National Woman’s day we would like to acknowledge all the women out there. The mothers. The sisters. The daughters.  We honour you for your bravery, your resilience and the work that you do.  We honour you for your dedication and ...

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Our Water Footprint

Our Water Footprint

By Administrator Enviro Metsi Posted Tuesday, August 6, 2019 0 comments

Our use of water is not limited only to what comes out of the tap – it includes water used in the production of food, energy and most of the products we take for granted.  Saving water is therefore about much more than simply closing a tap, it is lin ...

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One little drop of water Part 9

One little drop of water Part 9

By Administrator Enviro Metsi Posted Friday, August 2, 2019 0 comments

“Oh yes” the other drop replied.  “This is not all that new to me.  I’ve been recycled through this plant a couple of times.” The little drop of water seemed to have made a new friend, something that made him feel a whole lot better.“Look,” his new f ...

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National Science Week

National Science Week

By Administrator Enviro Metsi Posted Tuesday, July 30, 2019 0 comments

With National Science week upon us, we thought we’d take a look at what it entails... The National Science Week is an annual event, initiated by the Department of Science and Technology, which aims to showcase and communicate awareness in science. T ...

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Water and Wastewater Career Opportunities

Water and Wastewater Career Opportunities

By Administrator Enviro Metsi Posted Tuesday, July 23, 2019 0 comments

This week we are once again exploring the career of the Water or Wastewater Process Controller.  As we all know by now, these professionals play a vital role in managing our water resources by controlling the treatment processes linked to the purific ...

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One little drop of water Part 8

One little drop of water Part 8

By Administrator Enviro Metsi Posted Friday, July 19, 2019 0 comments

Even though most of the particles had settled to the bottom of the Sedimentation Tank, a term he only got to know much later in his journey, the little drop still saw a few fine particles around him.  "What are these still doing here?" he heard a few ...

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What does it take to be a Process Controller?

What does it take to be a Process Controller?

By Administrator Enviro Metsi Posted Tuesday, July 16, 2019 0 comments

There are a multitude of careers linked to the Water Sector  (Click here for more details).  Today we look at what it takes to have a career as a Water or Wastewater Process Controller.So, what does it take, what do I have to do to be able to go into ...

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How do Water Treatment Plants work?

How do Water Treatment Plants work?

By Administrator Enviro Metsi Posted Tuesday, July 9, 2019 0 comments

As we have already touched on Wastewater Treatment , we will be turning our attention toward the amazing processes at work within Water Treatment Works. These works have been designed to transform dirty water from a river or dam into potable water th ...

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One little drop of water Part 7

One little drop of water Part 7

By Administrator Enviro Metsi Posted Thursday, July 4, 2019 0 comments

The little drop of water watched the particles as they passed him by. No longer were they inside of him. They were in front of him. Another thing he noticed was that the particles were clumping together. As if they were being drawn to each other. ...

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Water and Wastewater Careers

Water and Wastewater Careers

By Administrator Enviro Metsi Posted Tuesday, July 2, 2019 0 comments

We don’t often think about water and what happens to it before it reaches our taps.  Neither do we give any thought to the water that leaves our homes. And  how often do we think about the professionals who are constantly attending to and monitoring ...

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Our thirsty world

Our thirsty world

By Administrator Enviro Metsi Posted Tuesday, June 25, 2019 0 comments

Less than 3% of the world’s water supply is fresh and only three-tenths of a percent is available for human use. This is all we have. Although it may seem as if water is quite accessible, nearly one billion people lack access to clean, safe water a ...

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One little drop of water Part 6

One little drop of water Part 6

By Administrator Enviro Metsi Posted Thursday, June 13, 2019 0 comments

A Water Treatment Plant? The little drop of water was confused. So far, he gathered it was a place where various kinds of droplets were gathered in on place. Outside he heard words like Coagulation and Flocculation being thrown around. None of it mad ...

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The Professional Operator: Water and Wastewater Operators

The Professional Operator: Water and Wastewater Operators

By Administrator Enviro Metsi Posted Tuesday, June 11, 2019 0 comments

Water is the essence of life. We fully depend on it to survive. Without water, the world would cease to exist. These molecules that are crucial to our existence are preserved by an army of men and women who stand vigilant in their service to human ...

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One little drop of water Part 5

One little drop of water Part 5

By Administrator Enviro Metsi Posted Friday, June 7, 2019 0 comments

The little drop of water was on the move again. This time his journey was a lot more aggressive. He heard loud noises coming from every direction. He felt himself being tossed around in various directions as the world around him became darker and ...

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Celebrating World Environment  Day

Celebrating World Environment Day

By Administrator Enviro Metsi Posted Wednesday, June 5, 2019 0 comments

Today is World Environment Day! World Environment Day is celebrated annually to address huge environmental issues affecting the planet today. Every year the celebration is planned according to the selected theme to make the campaign effective. This y ...

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One little drop of water Part 4

One little drop of water Part 4

By Administrator Enviro Metsi Posted Thursday, May 30, 2019 0 comments

The drops of water that surrounded him were filled with bitterness. Not one of them were nice to him. They were all clear and looked all sparkly from afar, but talking to them was anything but pleasant.  Why? He wondered. Why were they so differe ...

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Professional Operators are every day heroes

Professional Operators are every day heroes

By Administrator Enviro Metsi Posted Tuesday, May 28, 2019 0 comments

Day in and day out, water and waste water professional operators work hard to provide our communities with clean and safe water. They go above and beyond to provide safe quality water services where needed. (http://www.metsi.co.za/Services ) Becaus ...

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One little drop of water Part 3

One little drop of water Part 3

By Administrator Enviro Metsi Posted Friday, May 24, 2019 0 comments

The little drop of water heard the murmurings around him. News was spreading. Water droplets have been disappearing rapidly. As soon as they reached a certain point in their journey, they were gone. One moment they were there, the next they were g ...

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How the wastewater treatment plants works?

How the wastewater treatment plants works?

By Administrator Enviro Metsi Posted Monday, May 20, 2019 0 comments

The wastewater treatment process can be a complex one. The journey starts wherever you “pull the chain” or allow water to run down the drain and ends when treated effluent is discharged back into the receiving environment.  Without wastewater tre ...

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One little drop of water Part 2

One little drop of water Part 2

By Administrator Enviro Metsi Posted Friday, May 17, 2019 0 comments

“What now?” The little water droplet thought to himself. What happens next? He didn’t have the answer to that. In fact, that was a question he asked quite often, yet it has never been answered. Each time he asked, he had to wait and see what would ...

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Durban beaches declared safe after sewage leak

Durban beaches declared safe after sewage leak

By Administrator Enviro Metsi Posted Wednesday, May 15, 2019 0 comments

Recently it was announced that Durban beaches will be re-opened following a severe sewage leak. Various activities were cancelled as a result of this leak, including an international surfing competition. Fortunately, it has been announced that variou ...

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Just the Job: Water Treatment Works Process Controller.

Just the Job: Water Treatment Works Process Controller.

By Administrator Enviro Metsi Posted Monday, May 13, 2019 0 comments

A lot of people just turn on the tap without putting much thought into how that water actually came to reach their tap. There is in fact a complex process, one that the unsung heroes we know as Process Controllers are responsible for, to ensure th ...

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One little drop of water Part 1

One little drop of water Part 1

By Administrator Enviro Metsi Posted Friday, May 10, 2019 0 comments

South Africa, as the rest of the world, is becoming increasingly more aware of the need to protect our environment. Fortunately, numerous water and wastewater treatment processes exist specifically for this reason.  Here at Enviro Metsi, Water Treatm ...

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The water shortage is a great worry for South Africa

The water shortage is a great worry for South Africa

By Administrator Enviro Metsi Posted Wednesday, May 8, 2019 0 comments

With winter approaching quickly, the shortage of water in South Africa still remains a great concern. A warning was released by The Department of Water and Sanitation, calling communities to be intentional about conserving water. Winter brings rainfa ...

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Why should we care about water?

Why should we care about water?

By Administrator Enviro Metsi Posted Monday, May 6, 2019 0 comments

Water is the basis of life. Without water, we won’t survive. However, on a planet covered in water, only a small fraction is available for us to use. To make things worse, over a billion people don’t have access to safe drinking water while over 3 ...

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Earth Day 2019: Protect Our Species:

Earth Day 2019: Protect Our Species:

By Administrator Enviro Metsi Posted Friday, April 19, 2019 0 comments

The first Earth Day was a “teach-in” focused on engaging thousands of students on a sunny, spring day in 1970 to help address the environmental crises of the day. Today, International Earth Day is global day of action, celebrated in over 190 countrie ...

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Welcome to our updated website

Welcome to our updated website

By Administrator Enviro Metsi Posted Monday, April 15, 2019 0 comments

It has finally arrived - our website has been completely redesigned and we are ready to bring you a variety of new functions and features Please visit www.metsi.co.za to explore the site and what it has to offer (and please let us know if you find a ...

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Popular Posts

  • WASTEWATER TREATMENT WORKS CONTROL TROUBLESHOOTING CLARIFIERS

    WASTEWATER TREATMENT WORKS CONTROL TROUBLESHOOTING CLARIFIERS

    Secondary Settling Tanks play a key role in the overall performance of a Wastewater Treatment Works (WWTW).  Today we are focussing on the aspects that could cause this Process Unit to perform sub-optimally High Concentration of Solids in the Efflue ...

    Monday, November 11, 2019

  • Wastewater Treatment Works Control Parameters: Dissolved Oxygen

    Wastewater Treatment Works Control Parameters: Dissolved Oxygen

    Previously we looked at the accumulation of brown scum of the reactor surface and listed low Dissolved Oxygen levels due to excessive loading as one of the possible causes.   Today we'll be looking at that issue in a little more detail Plant Loading ...

    Monday, October 28, 2019

  • Troubleshooting: Accumulation of brown scum on reactor surface

    Troubleshooting: Accumulation of brown scum on reactor surface

    What to do when noticing the accumulation of brown scum on the surface of a Biological Reactor in an Activated Sludge Plant:As always, start by looking at the probable causes:ØThe growth of scum-forming filaments occurring within the processØLow Diss ...

    Tuesday, October 8, 2019

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