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

10/26/2016
by John Doe

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

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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While many visitors come to the area for the otherworldly landscapes of Badlands National Park, roughly 60 miles east of the city, or the wildlife viewing at Custer State Park to the south, the city offers its own unique scenery.

Rapid City borders the Black Hills to the west and prairie grasslands to the east. Rapid Creek meanders through town and an adjacent greenway connects much of the city’s 1,650 acres of park land.
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Two beloved decades-old parks — Dinosaur Park and Storybook Island — have recently been upgraded to be disability accessible. Wheelchair-friendly Dinosaur Park includes seven life-size dinosaur statues and panoramic city views. At Storybook Island, six pieces of playground equipment are wheelchair accessible and have Braille panels and sensory panels for children with autism. The park is renowned for fairy tale character playsets, an antique carousel and a miniature train. Admission to both parks is free.
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Mountain bikers and hikers favor the panoramic views from trails within the 150-acre Skyline Wilderness Area, or from spots along the more than 20 miles of trails in Hanson-Larsen Memorial Park, where M Hill pays tribute to science and engineering university South Dakota Mines. All of these trails are located within city limits.

Jason Kingsbury is a tourist-turned-resident who relocated largely because of the city’s outdoor recreation. Kingsbury is an avid camper, mountain biker and fly fisherman.

“I was absolutely blown away with how much there is to do in Rapid City,” Kingsbury said. Accessing outstanding outdoor recreation in just minutes is unique, he said.

“A lot of people do not have that experience. They can go to Memorial Park and ride world-class (trails). They can ride there from their hotel — that really impresses people,” Kingsbury said.

“What a lot of people always say is ‘I can’t believe how cool this is. I never thought South Dakota had things like this,’” he said. “They realize real quickly we’re far more than just Mount Rushmore.”
Arturokig 09/01/2025, 09:23
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CharlesFum 09/01/2025, 07:56
It’s no secret how President Donald Trump feels about sports teams turning away from Native American mascots. He’s repeatedly called for the return of the Washington Redskins and Cleveland Indians, claiming their recent rebrands were part of a “woke” agenda designed to erase history.

But one surprising team has really gotten the president’s attention: the Massapequa Chiefs.

The Long Island school district has refused to change its logo and name under a mandate from New York state banning schools from using team mascots appropriating Indigenous culture. Schools were given two years to rebrand, but Massapequa is the lone holdout, having missed the June 30 deadline to debut a new logo.
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The district lost an initial lawsuit it filed against the state but now has the federal government on its side. In May, Trump’s Department of Education intervened on the district’s behalf, claiming the state’s mascot ban is itself discriminatory.

Massapequa’s Chiefs logo — an American Indian wearing a yellow feathered headdress — is expected to still be prominently displayed when the fall sports season kicks off soon, putting the quiet Long Island hamlet at the center of a political firestorm.
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The district is now a key “battleground,” said Oliver Roberts, a Massapequa alum and the lawyer representing the school board in its fresh lawsuit against New York claiming that the ban is unconstitutional and discriminatory.

The Trump administration claims New York’s mascot ban violates Title VI of the Civil Rights Act of 1964, which prohibits recipients of federal funds from engaging in discriminatory behavior based on race, color or national origin — teeing up a potentially precedent-setting fight.

The intervention on behalf of Massapequa follows a pattern for a White House that has aggressively applied civil rights protections to police “reverse discrimination” and coerced schools and universities into policy concessions by withholding federal funds.

“Our goal is to assist nationally,” Roberts said. “It’s us putting forward our time and effort to try and assist with this national movement and push back against the woke bureaucrats trying to cancel our country’s history and tradition.”
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FrankMok 09/01/2025, 04:04
Rapid City, South Dakota (CNN) —Nestled in the Black Hills of South Dakota, Rapid City is a scenic urban getaway that hasn’t lost its small-town vibe.

While it’s the state’s second largest city, visitors can explore its greenway, museums, art and history, or indulge in craft beer and increasingly diverse dishes — all within a few minutes’ drive, walk or bicycle ride.
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And the surrounding landscape is home to enough natural and manmade wonders — from the Badlands to the Crazy Horse Memorial — to keep you busy for a week or more.

Historic City of Presidents
Rapid City promotes itself as the City of Presidents, a nod to its location 24 miles from South Dakota’s most iconic attraction, Mount Rushmore National Memorial.

In town, locals know summer’s in full swing when tourists are snapping selfies with bronze statues of Harry S. Truman and Richard Nixon. Street corners throughout Rapid City’s historic downtown are home to life-sized sculptures of nearly all US presidents. (President Donald Trump’s statue has been unveiled and will be installed in fall 2025, and President Joe Biden’s statue is in progress).
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The trail of presidents, which launched in 2000, is a self-guided experience. The visitor center downtown has a City of Presidents Guide, or you can download a digital version to take a walking tour or scavenger hunt.

“People love touring and looking at all the statues,” said Ally Formanek, CEO at Visit Rapid City, the city’s tourism office. “It’s a fun and unexpected way to learn about history.”

Founded in 1876 by disheartened gold prospectors, today downtown Rapid City is a mix of historic landmarks such as the 1928 Hotel Alex Johnson and the 1912 Elks Theatre, along with restaurants, coffee shops, specialty stores, boutiques and art galleries that reflect the busy modern city. An indoor aquaponics farm, sourdough and gluten-free bakeries, a meat market and deli specializing in locally raised beef, and a comedy club are some of the new additions to downtown, just in the past year.
Main Street Square, downtown’s anchor, hosts about 150 events year-round in and outdoor public space that offers interactive fountains in the summer and ice skating in the winter.

Jess and Cody Skinner own The Silver Lining Creamery, an ice cream shop at Main Street Square. Jess Skinner compares Rapid City to “a mini Denver” with fewer crowds but plenty to do and see.

“We have such a unique downtown with all these local businesses,” Jess said. “I’ve been to a lot of different cities and downtowns, and I think ours is one of the best.”

“We always get compliments about how friendly everyone is here … that everyone is so nice,” Jess said. “Tourists can stop and (ask for directions) and people here are so kind and so helpful.”

For an easy way to see Rapid City, the narrated City View Trolley Tour highlights local landmarks and history. The tour’s only stop is at Chapel in the Hills, a 56-year-old Norwegian stavkirke, a traditional timber-framed stave church found in Scandinavia, with a meditation trail on its grounds.

“It’s a place to slow down and catch your breath. People tend to linger here,” said Brian Kringen, managing director at Chapel in the Hills, a striking wooden structure with an elaborate tiered roof.
SamuelSoino 08/31/2025, 20:38
Dr. Jake Scott is on the front line of his second pandemic in five years and he is not getting much sleep.

Scott works full-time as an infectious disease physician at Stanford Health Care’s Tri-Valley hospital in Pleasanton, California. When he is done taking care of his patients and his two grade-school aged kids, he often stays up past midnight writing — furiously penning op-eds, collecting studies, leading evidence reviews and posting meaty threads on social media, most of them correcting the record on vaccines.
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Often, he’s reacting to the latest maneuvers by US Health and Human Services Secretary Robert F. Kennedy Jr.. A pinned post responding to one of Kennedy’s appearances on Fox News has been viewed almost 5 million times. Another post fact-checking Kennedy’s claims about potential harms from aluminum in vaccines had 1 million views in its first 48 hours. Scott’s followers on X have doubled since April.
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“A million views for this long-winded, very detailed, kind of nerdy breakdown of the science,” Scott said, marveling at the attention it got. “I think that’s saying something, you know? People want that information, and they deserve it,” said Scott who is 48.

The Covid-19 pandemic turned many infectious disease specialists and virologists into household names. Scott’s was not one of them, perhaps because he was too busy treating patients. He didn’t stay out of the public discourse completely, however. He was one of the first doctors to tell people that Omicron didn’t seem to be as severe an infection as earlier strains of the virus, although some virologists were skeptical at the time.

In President Donald Trump’s second administration, however, Scott is taking on what he sees as a second pandemic — misinformation and disinformation about vaccines. He knows false information can be as harmful as any virus.
“When officials spread inaccurate information about vaccines, it does have real consequences, and families make decisions based on fear rather than on facts,” Scott said.

It’s already happening. The US Centers for Disease Control and Prevention recently reported data showing kindergarten vaccination rates continue to decline, as states make it easier to opt out of school vaccination requirements. Vaccine preventable diseases like measles and whooping cough are rising again, too.

Scott knows it could get much worse.

“In 2021, nearly every single patient I lost to Covid was unvaccinated by choice, and every colleague of mine has said the same thing.”
Waltermef 08/31/2025, 10:49
Target is in trouble. And while it’s easy to get lost in the company’s recent (poor) handling of American culture war narratives that cast it as too “woke” or too willing to cave to online fascists, the root of Target’s problems runs deep.
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Don’t get me wrong – the massive consumer boycotts from Black organizers have done damage. And there are probably folks on the far right who think even Target’s toned-down, overwhelmingly beige Pride merch this year was still too loud.
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But its stock is in the gutter and sales have been falling for two years because of good ol’ business fundamentals. It overstocked. It lost the pulse of its customers. It went up against Amazon Prime with… actually, does anyone know what Target’s Amazon Prime competitor is called?
The brand we petite bourgeoisie once playfully referred to as Tar-zhay has lost its spark. The company reported a decline in sales for a third-straight quarter, part of a broader trend of falling or flat sales for two years. Employees have lost confidence in the company’s direction. And 2025 has been a particularly rough financially, as Black shoppers organized a boycott over Target’s decision to cave to right-wing pressure on diverse hiring goals.
Shares were down 10% Wednesday.

It’s not to say the new guy, Michael Fiddelke, is unqualified. He’s been at Target since he started as an intern more than 20 years ago, after all. But Wall Street is clearly concerned that Target’s leadership is underestimating the severity of the need for a significant change— just as President Donald Trump’s tariffs on imported goods threaten the entire retail industry.

Appointing a company lifer “does not necessarily remedy the problems of entrenched groupthink and the inward-looking mindset that have plagued Target for years,” Neil Saunders, an analyst at GlobalData Retail, said in a note to clients Wednesday.

Missing the mark
In its 2010s heyday, Target became a go-to for consumers who liked a bargain but didn’t necessarily like bargain-hunting. The shelves felt well-curated. You’d go to Target because it had one thing you needed and 12 things you didn’t know you needed. It was stocked with Millennial cringe long before Gen Z gave us the term Millennial cringe.

Target’s sales held strong through the pandemic as remote workers set up home offices and stocked up on essentials. Months of lockdown also benefited the store as people began refreshing their spaces because they didn’t really have much else to do and they were staring at the same walls all the time.
KerryApepe 08/31/2025, 10:48
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