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XỬ LÝ NƯỚC THẢI _ AQUAPOLO BRAZIL _ 86.400m3/ngày

10/26/2016
bởi John Doe

XỬ LÝ NƯỚC THẢI _ AQUAPOLO BRAZIL _ 86.400m3/ngày

 

Chủ Đầu Tư  : 
Địa điểm dự án : Sao Paulo _ Brazil
Công suất : Q = 86.4000 m3/ngàyđêm.
Công nghệ áp dụng   : Công nghệ Màng MBR KOCH
Nguồn gốc nước thải : Nước thải sinh hoạt.
Năm thực hiện : 2012

Aquapolo Ambiental Water Reuse Project

Overview

Aquapolo Ambiental is a water reuse venture created by Foz do Brasil (Odebrecht Organization) and Sabesp, a Brazilian state-owned utility that provides water and sewage services for residential, commercial, and industrial use in the municipalities of the state of São Paulo. The Aquapolo project was initiated to address new government regulations to restrict industrial use of potable water in São Paulo and is the largest industrial water reuse project in the Southern Hemisphere. Aquapolo will supply the Capuava Petrochemical Complex of Mauá, located in São Paulo’s ABC region, thereby conserving enough drinking water to continuously supply a population of 300,000 people.

The Challenge

To build a treatment plant capable of meeting São Paulo’s pressing demand for industrial reuse water.

The Solution

Koch Membrane Systems, Inc. (KMS), a leading supplier of wastewater treatment systems, provided PURON® membrane bioreactor (MBR) modules as well as MegaMagnum® reverse osmosis (RO) membranes, system design and controls, and after-market support and service for the Aquapolo project. KMS was chosen for its superior technical support and biological design, the availability of MBR and RO pilot plants, its vast experience with water-recycling projects, and ability to meet an extremely accelerated delivery schedule.

KMS conducted a comprehensive feasibility study to identify the most cost-effective strategy to upgrade the existing plant infrastructure and concluded that membrane bioreactor (MBR) technology with a Tertiary Membrane Bioreactor (TMBR) system was the best solution for the new facility.

“Koch Membrane Systems’ willingness to work with us as our technological partner was a key factor in our decision to award them the contract,” said Emyr Diniz Costa, Senior Project Director at Odebrecht. “They offered a comprehensive engineering solution and dedicated extensive pre-engineering man-hours to produce the most reliable design and the state-of-the art technology for our project. The availability of a pilot plant convinced us their solution was the best one.”
 

The Treatment Plant

In total, the Aquapolo project encompasses the construction of new a pretreatment step, installation of a chemical dosing system, and the construction of a 700 lps TMBR utilizing 94,500 m2 of membrane area. The TMBR offers lower operating costs, lower process risk, greenfield design, and negligible interaction with current plant operations and equipment.

The TMBR is a polishing MBR process. It will treat water coming from the existing secondary clarifiers and further treat it in a newly built biological step using membranes as the final separation process. Some of the TMBR effluent will be further treated by RO membranes to meet conductivity goals for water reuse.

The TMBR pilot demonstrated that the submerged membranes benefited from the optimized biological system. Average flux rates of >25 L/m2h were achieved and daily maintenance cleaning was found to enhance the UF performance. Recovery cleaning returned the UF membrane to the original process permeability. A standard RO pilot also was used to simulate the RO design concept of the proposed full scale system for 200 L/s feed water. The pilot trials were setup in three well-defined phases, a simple batch mode, a modified batch mode and a continuous mode. The RO system was able to produce an excellent water quality.

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The latest Barbie slays in a chic blue polka-dot crop top, ruffled miniskirt, chunky heels and an insulin pump. She is the brand’s first doll with type 1 diabetes.
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Dollmaker Mattel worked with Breakthrough T1D, formerly known the Juvenile Diabetes Research Foundation, to design the doll, which aims to represent the roughly 304,000 kids and teens living with type 1 diabetes in the United States.
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The doll launched Tuesday at the Breakthrough T1D Children’s Congress, a three-day event in Washington that brings in kids and teens living with the condition to meet with lawmakers. This year, they’re asking Congress to renew funding for the Special Diabetes Program, which was first allocated by Congress in 1997. The program’s current funding ends after September.

The advocacy efforts have taken on new urgency this year. With so many deep cuts to federally funded projects in recent months, Breakthrough T1D said it’s anxiously watching to see if this funding will be reupped.

Type 1 diabetes is an autoimmune disease, meaning the body mistakenly attacks its own organs and tissues. In this case, rough antibodies go after cells in the pancreas that make insulin, an essential hormone that helps the body turn food into energy. As a result, the body doesn’t make enough of its own insulin, so people have to take insulin by injection or though a pump to survive.

Type 1 diabetes is typically diagnosed in childhood but can be diagnosed in anyone at any age. It differs from type 2 diabetes, in which people are still able to make insulin but their cells stop responding to it.

In addition to the insulin pump that attaches to the new Barbie’s waist, the chestnut-haired beauty has a continuous glucose monitor on her arm – a button held on by a strip of heart-shaped Barbie-pink tape. Her cell phone displays an app that shows her glucose readings. She also has a light blue purse to hold her supplies and snacks to help her manage her blood sugar throughout the day. It matches her shoes, of course.
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Rescuers are hailing as a “four-legged hero” a furry Chihuahua whose pacing atop an Alpine rock helped a helicopter crew find its owner, who had fallen into a crevasse on a Swiss glacier nearby.
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The man, who was not identified, was exploring the Fee Glacier in southern Switzerland on Friday when he broke through a snow bridge and fell nearly 8 meters (about 26 feet), according to Air Zermatt, a rescue, training and transport company.

Equipped with a walkie-talkie, the man connected with a person nearby who relayed the accident to emergency services. But the exact location was unknown. After about a half-hour search, the pacing pooch caught the eye of a rescue team member.
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As the crew zeroed on the Chihuahua, the hole the man fell into became more visible. Rescuers rappelled down, rescued the man and flew him and his canine companion to a hospital.

“Imagine if the dog wasn’t there,” Air Zermatt spokesman Bruno Kalbermatten said by phone. “I have no idea what would happen to this guy. I think he wouldn’t survive this fall into the crevasse.”

On its website, the company was effusive: “The dog is a four-legged hero who may have saved his master’s life in a life-threatening situation.”
GeorgeRuche 08/06/2025, 00:46
Job losses
But what about the impact of tariffs on job creation? Surprisingly, an increase in import taxes has been found to result in slightly more unemployment across countries.
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An example provided by Irwin at Dartmouth College points to one plausible explanation — and it has to do with the steeper cost of imported goods.

“A number of studies have shown, on net, we lost jobs from the (2018) steel tariffs rather than gained jobs because there are more people employed in the downstream user industries than in the steel industry itself,” he said.
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A study by the Federal Reserve Board found that a rise in input costs resulting from US tariff hikes in 2018-19 led to job losses in American manufacturing. The damage from those higher expenses was compounded by retaliatory taxes on US exports, more than offsetting a small boost to manufacturing employment from US tariffs — at least so far, the 2024 paper said.

Retaliation by other countries is indeed another danger of pulling the tariff lever. Higher tariffs on American exports would typically raise their prices for foreign consumers, hitting demand for the goods in many cases.

When Trump announced new tariffs this year, America’s major trading partners were quick to strike back with their own levies, although the US then agreed a temporary truce with China and the European Union.

Costs of free trade
While economists generally agree that free trade has benefited the global economy in recent decades, they acknowledge that it comes with certain costs.

One is the loss of jobs in communities that are particularly exposed to new competition from foreign manufacturers.

That is similar to the impact of technological progress on workers. “Manufacturing jobs as a share of the labor force have come down everywhere. It isn’t a US-specific story,” said Gimber at JPMorgan Asset Management, pointing to automation.

He drew a parallel between helping workers affected by higher imports and what is known as a just transition — the idea that the drastic changes needed to move toward a greener economy should be fair to everyone and minimize harm to workers and communities.

In both cases, providing workers in impacted industries with new skills or retraining them could be key, Gimber said.

Another potential cost of free trade is dependency on far-flung manufacturers. That took on new relevance during the pandemic, which snarled global supply chains, contributing to shortages of products such as face masks and respirators in the US and elsewhere.

However, economists do not typically see tariffs as a good way to build up domestic manufacturing, Fatas at INSEAD said, noting that subsidies for specific industries are viewed as a better tool “because they work more directly.”

But perhaps the strongest argument in favor of free trade is its importance to maintaining peace between nations.

As Gimber’s colleague David Kelly noted in March, closer trade relations give countries more to lose in any conflict.
Barrywhisy 08/05/2025, 23:57
Rescuers are hailing as a “four-legged hero” a furry Chihuahua whose pacing atop an Alpine rock helped a helicopter crew find its owner, who had fallen into a crevasse on a Swiss glacier nearby.
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The man, who was not identified, was exploring the Fee Glacier in southern Switzerland on Friday when he broke through a snow bridge and fell nearly 8 meters (about 26 feet), according to Air Zermatt, a rescue, training and transport company.

Equipped with a walkie-talkie, the man connected with a person nearby who relayed the accident to emergency services. But the exact location was unknown. After about a half-hour search, the pacing pooch caught the eye of a rescue team member.
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As the crew zeroed on the Chihuahua, the hole the man fell into became more visible. Rescuers rappelled down, rescued the man and flew him and his canine companion to a hospital.

“Imagine if the dog wasn’t there,” Air Zermatt spokesman Bruno Kalbermatten said by phone. “I have no idea what would happen to this guy. I think he wouldn’t survive this fall into the crevasse.”

On its website, the company was effusive: “The dog is a four-legged hero who may have saved his master’s life in a life-threatening situation.”
VictorWap 08/05/2025, 22:56
The latest Barbie slays in a chic blue polka-dot crop top, ruffled miniskirt, chunky heels and an insulin pump. She is the brand’s first doll with type 1 diabetes.
[url=https://tripscan.biz]трипскан вход[/url]
Dollmaker Mattel worked with Breakthrough T1D, formerly known the Juvenile Diabetes Research Foundation, to design the doll, which aims to represent the roughly 304,000 kids and teens living with type 1 diabetes in the United States.
https://tripscan.biz
трип скан
The doll launched Tuesday at the Breakthrough T1D Children’s Congress, a three-day event in Washington that brings in kids and teens living with the condition to meet with lawmakers. This year, they’re asking Congress to renew funding for the Special Diabetes Program, which was first allocated by Congress in 1997. The program’s current funding ends after September.

The advocacy efforts have taken on new urgency this year. With so many deep cuts to federally funded projects in recent months, Breakthrough T1D said it’s anxiously watching to see if this funding will be reupped.

Type 1 diabetes is an autoimmune disease, meaning the body mistakenly attacks its own organs and tissues. In this case, rough antibodies go after cells in the pancreas that make insulin, an essential hormone that helps the body turn food into energy. As a result, the body doesn’t make enough of its own insulin, so people have to take insulin by injection or though a pump to survive.

Type 1 diabetes is typically diagnosed in childhood but can be diagnosed in anyone at any age. It differs from type 2 diabetes, in which people are still able to make insulin but their cells stop responding to it.

In addition to the insulin pump that attaches to the new Barbie’s waist, the chestnut-haired beauty has a continuous glucose monitor on her arm – a button held on by a strip of heart-shaped Barbie-pink tape. Her cell phone displays an app that shows her glucose readings. She also has a light blue purse to hold her supplies and snacks to help her manage her blood sugar throughout the day. It matches her shoes, of course.
Josephtomma 08/05/2025, 22:54
Job losses
But what about the impact of tariffs on job creation? Surprisingly, an increase in import taxes has been found to result in slightly more unemployment across countries.
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An example provided by Irwin at Dartmouth College points to one plausible explanation — and it has to do with the steeper cost of imported goods.

“A number of studies have shown, on net, we lost jobs from the (2018) steel tariffs rather than gained jobs because there are more people employed in the downstream user industries than in the steel industry itself,” he said.
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A study by the Federal Reserve Board found that a rise in input costs resulting from US tariff hikes in 2018-19 led to job losses in American manufacturing. The damage from those higher expenses was compounded by retaliatory taxes on US exports, more than offsetting a small boost to manufacturing employment from US tariffs — at least so far, the 2024 paper said.

Retaliation by other countries is indeed another danger of pulling the tariff lever. Higher tariffs on American exports would typically raise their prices for foreign consumers, hitting demand for the goods in many cases.

When Trump announced new tariffs this year, America’s major trading partners were quick to strike back with their own levies, although the US then agreed a temporary truce with China and the European Union.

Costs of free trade
While economists generally agree that free trade has benefited the global economy in recent decades, they acknowledge that it comes with certain costs.

One is the loss of jobs in communities that are particularly exposed to new competition from foreign manufacturers.

That is similar to the impact of technological progress on workers. “Manufacturing jobs as a share of the labor force have come down everywhere. It isn’t a US-specific story,” said Gimber at JPMorgan Asset Management, pointing to automation.

He drew a parallel between helping workers affected by higher imports and what is known as a just transition — the idea that the drastic changes needed to move toward a greener economy should be fair to everyone and minimize harm to workers and communities.

In both cases, providing workers in impacted industries with new skills or retraining them could be key, Gimber said.

Another potential cost of free trade is dependency on far-flung manufacturers. That took on new relevance during the pandemic, which snarled global supply chains, contributing to shortages of products such as face masks and respirators in the US and elsewhere.

However, economists do not typically see tariffs as a good way to build up domestic manufacturing, Fatas at INSEAD said, noting that subsidies for specific industries are viewed as a better tool “because they work more directly.”

But perhaps the strongest argument in favor of free trade is its importance to maintaining peace between nations.

As Gimber’s colleague David Kelly noted in March, closer trade relations give countries more to lose in any conflict.
Thomasunogy 08/05/2025, 19:16
It all started back in March, when dozens of surfers at beaches outside Gulf St Vincent, about an hour south of state capital Adelaide, reported experiencing a sore throat, dry cough and blurred vision after emerging from the sea.
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Shortly after, a mysterious yellow foam appeared in the surf. Then, dead marine animals started washing up.

Scientists at the University of Technology Sydney soon confirmed the culprit: a buildup of a tiny planktonic algae called Karenia mikimotoi. And it was spreading.
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In early May, the government of Kangaroo Island, a popular eco-tourism destination, said the algal bloom had reached its coastline. A storm at the end of May pushed the algae down the coast into the Coorong lagoon. By July, it had reached the beaches of Adelaide.

Diverse algae are essential to healthy marine ecosystems, converting carbon dioxide into oxygen and benefiting organisms all the way up the food chain, from sea sponges and crabs to whales.

But too much of one specific type of algae can be toxic, causing a harmful algal bloom, also sometimes known as a red tide.

While Karenia mikimotoi does not cause long-term harm to humans, it can damage the gills of fish and shellfish, preventing them from breathing. Algal blooms can also cause discoloration in the water and block sunlight from coming in, harming ecosystems.

The Great Southern Reef is a haven for “really unique” biodiversity, said Bennett, a researcher at the University of Tasmania, who coined the name for the interconnected reef system which spans Australia’s south coast.

About 70% of the species that live there are endemic to the area, he said, meaning they are found nowhere else in the world.

“For these species, once they’re gone, they’re gone.”
KeithAwaws 08/05/2025, 18:37
Questioned by both Republicans and Democrats on Capitol Hill about the low staffing numbers, Interior Secretary Doug Burgum has brushed off concerns, testifying in May that slightly less than half of permanent NPS employees work on the ground in the parks, while other staff work at regional offices or at DC headquarters.
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“I want more people in the parks,” Burgum said. “I want less overhead. There’s an opportunity to have more people working in our parks … and have less people working for the National Park Service.”
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But internal NPS data tells a different story, Brengel said, showing that around 80% of National Park Service staff work in the parks. And regional offices play an important supporting staff role, with scientists on staff to help maintain fragile parks ecosystems, as well as specialists who monitor geohazard safety issues like landslides.

Republican Sen. Lisa Murkowski of Alaska recently pressed Burgum to provide a full list of staff positions that have been cut at the National Park Service, Bureau of Land Management and the US Forest Service since the Trump administration took over. The Interior Department has not provided the list, a Senate staffer said.
The regional offices within the park service are on edge, waiting to see how courts rule on a Trump administration reduction in force plan they fear could gut their ranks, a National Park Service employee in a Western state told CNN.

“If they greenlight the RIF plan, then it’s going to be a bloodbath,” the employee said.

In addition to probationary workers that were fired in February, early retirements are also culling the agency’s ranks, and the continued $1 spending limit on federal workers’ credit cards is making it extremely difficult to do field work in the parks, with a simple overnight trip needing to be requested 10 days in advance, the employee added.

The lack of superintendents and NPS supervisors creates more of a headache, they added.

“These times, when it’s all about fighting for scarce resources, you really need those upper-level people with clout working the system,” the employee said.

Hall, the retired NPS regional director, said losing rangers, maintenance professionals and park superintendents could profoundly alter American landmarks.

“What you’ve lost with all this attrition – you’ve lost all this knowledge that’s going to take years to build back up,” Hall said.
RichardAdext 08/05/2025, 16:06
Job losses
But what about the impact of tariffs on job creation? Surprisingly, an increase in import taxes has been found to result in slightly more unemployment across countries.
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An example provided by Irwin at Dartmouth College points to one plausible explanation — and it has to do with the steeper cost of imported goods.

“A number of studies have shown, on net, we lost jobs from the (2018) steel tariffs rather than gained jobs because there are more people employed in the downstream user industries than in the steel industry itself,” he said.
https://kra35c.cc
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A study by the Federal Reserve Board found that a rise in input costs resulting from US tariff hikes in 2018-19 led to job losses in American manufacturing. The damage from those higher expenses was compounded by retaliatory taxes on US exports, more than offsetting a small boost to manufacturing employment from US tariffs — at least so far, the 2024 paper said.

Retaliation by other countries is indeed another danger of pulling the tariff lever. Higher tariffs on American exports would typically raise their prices for foreign consumers, hitting demand for the goods in many cases.

When Trump announced new tariffs this year, America’s major trading partners were quick to strike back with their own levies, although the US then agreed a temporary truce with China and the European Union.

Costs of free trade
While economists generally agree that free trade has benefited the global economy in recent decades, they acknowledge that it comes with certain costs.

One is the loss of jobs in communities that are particularly exposed to new competition from foreign manufacturers.

That is similar to the impact of technological progress on workers. “Manufacturing jobs as a share of the labor force have come down everywhere. It isn’t a US-specific story,” said Gimber at JPMorgan Asset Management, pointing to automation.

He drew a parallel between helping workers affected by higher imports and what is known as a just transition — the idea that the drastic changes needed to move toward a greener economy should be fair to everyone and minimize harm to workers and communities.

In both cases, providing workers in impacted industries with new skills or retraining them could be key, Gimber said.

Another potential cost of free trade is dependency on far-flung manufacturers. That took on new relevance during the pandemic, which snarled global supply chains, contributing to shortages of products such as face masks and respirators in the US and elsewhere.

However, economists do not typically see tariffs as a good way to build up domestic manufacturing, Fatas at INSEAD said, noting that subsidies for specific industries are viewed as a better tool “because they work more directly.”

But perhaps the strongest argument in favor of free trade is its importance to maintaining peace between nations.

As Gimber’s colleague David Kelly noted in March, closer trade relations give countries more to lose in any conflict.
Floydmew 08/05/2025, 14:26
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