Sealing System Articles | Environmental XPRT

Characterisation of septage in partially sealed cesspit

The alteration of wastewater from an individual home under anaerobic conditions in a partially sealed cesspit over the filling period of four months, and the pollution fluxes were assessed. The septage was much more concentrated than raw wastewater. A mass balance found percentage (%) removal rates for biological oxygen demand (BOD5, 78%), chemical oxygen demand (COD, 62%), total nitrogen (TN, ...

Nov. 16, 2016

By IWA Publishing

Canal sealing with Bentofix case study

After the first pilot project installation of a geosynthetic clay liner (GCL) in a 1 km long section of the Havel-Oder-Waterway in 1997/98, approved by the local German Water and Ship Authority a second project followed shortly after. In a 500 m long section of the Dortmund-Ems-Canal a newly developed innovative GCL was installed under water. The installed GCL was Bentofix BZ 13-B, a ...

Aug. 8, 2014

By NAUE GmbH & Co.KG

Bentofix® sealing at Toulouse-Blagnac Airport case study

One of the largest infrastructure projects in Europe in recent years has been in Toulouse-Blagnac in France on the premises of the airport and the Airbus factory where in future the new Airbus A 380 is to be built. During the course of this construction project not only hangers where the wide-bodied aircraft is to be assembled were built but the whole infrastructure was aligned to ...

Aug. 8, 2014

By NAUE GmbH & Co.KG

FLXX tightly sealed tanks protect ground water

Every time we turn on a faucet, run the dishwasher, do a load of laundry, wash our cars, eat at a restaurant, use chemical compounds on our lawn, or flush our old prescription medication down the drain, we're impacting the global water supply. Front Range Precast Concrete in Boulder is working to protect water resources. It has been making watertight concrete tanks under the brand name FLXX for ...

Mar. 28, 2008

By Front Range Precast Concrete

DESMI’s Magnetically Powered Pumps Seal the Deal

For companies pumping dangerous or expensive chemicals, leaks can endanger both personnel and the bottom line. Hermetically sealed, magnetically powered pumps are the state-of-the-play answer. The list of potentially dangerous or simply-too-expensive-to-lose substances being pumped from one part of an industrial process to another somewhere in the world is long. Take isocyanates, for example. ...

Jul. 6, 2015

By DESMI A/S

Sealing challenges in the chemical processing, food and pharmaceutical industries

The acronyms may be short in the chemical processing, food and pharmaceutical industries, but they pose big sealing challenges. CIP, Cleaning in Place, uses chemicals lethal to the majority of elastomer seals, while SIP, Sterilisation in Place employs superheated steam up to 140°C with an even greater deteriorating affect. In addition to this, for some applications, the seals must meet the strict ...

Dec. 1, 2007

Monitoring vibrations, mechanical seals, and bearings for safety and performance

With more than 70 years of experience in plastics processing, Switzerland-based Quadrant Group is a leading expert in a wide range of polymer materials and technologies for polymer conversion. In order to maintain a high level of quality in the production process, Quadrant's heat-transfer pumps must work safely and reliably. These pumps are commonly subjected to high loads. At the same time, ...

Sep. 9, 2013

By ALLWEILER GmbH

P-80® Lubricants are effective for Pump Seal Maintenance

One universal goal of treatment plant operators is to keep operations running smoothly and effectively at all times. While many factors contribute to achieving this goal, one simple way to help reach this objective is to perform regular equipment maintenance. Most plants use a variety of different types of pumps. Maintaining and replacing pump seals on a regular basis helps to ensure that systems ...

Sep. 6, 2016

By International Products Corporation

Seal-Record in Essen, DE. case study

The largest main collector within the jurisdiction of the Public Utility Company Essen has a nominal diameter of DN 3800. This main collectortown centre presented damages thatwere in need of redevelopment. After a thorough inspection, 33 leaky joints were selected for this pilot project and the company SMG Bautenschutztechnik fur Hoch und Tiefbau GmbH received the order. Project ...

Sep. 5, 2014

By AMEX GmbH

Reduce Emissions and Odors with Shand & Jurs’ Expanda-Seal

With reducing emissions having an increased importance, Shand & Jurs offers Expanda-Seal™ technology. Expanda-Seal™ is a patented seal on pressure relief devices that will significantly reduce emissions and odors in every process environment imaginable while also saving valuable product. While industry standards have a tested leakage rate of 1 SCFH at 90% of ...

Dec. 22, 2010

By Shand & Jurs (L&J Technologies & L&J Engineering)

Development of a sealing material and robot for automatic socket rehabilitation of grey cast iron pipes in drinking water supply systems

The project DeWaLoP, led by Vienna Water, aims to develop a robot that is able to apply a sealing system to repair the joint sockets of pressure operating water pipes measuring about 1 m in diameter. To do this, a modification of the sealing material for inner surface application will be developed and a complex robot system will be designed to perform various tasks, such as inspecting, cleaning ...

Aug. 6, 2013

By IWA Publishing

Exterior coatings producer blends abrasives with no shaft seal wear

Since its founding in 1987, contractors have applied over 100 million square feet of Master Wall Inc. products — stucco, coatings, and exterior insulation and finish systems (EIFS) — on residential, commercial and industrial buildings. Master Wall founder and president Steve Smithwick says the company's Aggre-flex EIFS system is "one of the most common commercial cladding in the ...

Dec. 9, 2014

By Munson Machinery Company, Inc.

Sealed Air chooses UL The Wercs to replace six disparate MSDS systems - Case study

The Situation With operations in more than 60 countries, JohnsonDiversey, Inc. (JDI| is a leading global provider of cleaning and hygiene solutions to the institutional and industrial marketplace. JDI serves customers in the lodging, food services, retail, health care, food and beverage sectors as well as building service contractors worldwide. The Challenge ...

Jun. 3, 2016

By UL - The WERCS

Giant seals help protect St. Petersburg from flooding

St Petersburg is regarded as Russia’s cultural capital. To protect its people and cultural treasures from flooding, a 25-kilometer storm flood barrier is being constructed. An essential part of this structure are 40 meter-wide, seven meter-high seals, from Trelleborg. Last january, St. Petersburg was flooded for the 302nd time in its 303-year history. The water level rose more than two meters ...

Dec. 1, 2007

An inflatable tunnel seal stops flooding of world`s largest undeveloped uranium mine

The Cigar Lake Mine, located in the Athabasca Basin of Northern Saskatchewan, Canada, is sitting on the world's largest undeveloped high-grade uranium deposit in the world. Operated and majority-owned by Cameco Corporation, Cigar Lake is expected to eventually provide more than 10% of the world's mined uranium. But to extract the uranium ore, Cameco has to overcome significant technical ...

May 6, 2013

By Petersen Products Company

Detection of early PFA seals (perfluoroalk-oxyethylene) degradation exposed to process gases inside a reactor chamber

Problem Statement Replacement of PFA seals inside the reactor chamber is performed according scheduled maintenance and life expectancy of the seals. Early degradation of seals goes completely undetected until there is a complete failure of the seal, letting atmospheric contaminants inside the reactor and forcing an unscheduled reactor downtime. IRGAS ...

May 1, 2013

By CIC Photonics, Inc.

Multilevel Systems

Untitled Document Introduction A multilevel system is a groundwater monitoring device which allows ...

Aug. 31, 2005

By Solinst Canada Ltd.

Building Sustainable Sanitation Systems

A low cost system of resource management such as composting toilets is helping to mitigate many of Haiti’s social and ecological challenges. The Caribbean Republic of Haiti — the poorest, most environmentally degraded country in the Western Hemisphere with a population of about 10 million — is a case study in forestry and soil fertility mismanagement. A colonial ...

Nov. 1, 2012

By BioCycle Magazine

Industrial reverse osmosis system design

Reverse osmosis (RO) is currently used in various applications ranging from small, undersink drinking water units to large industrial systems. The technology is widely used and accepted as it removes both dissolved ionic and organic impurities. This article will focus on the reverse osmosis technology in industrial applications and will discuss factors that differentiate industrial RO from ...

Jul. 1, 2010

By Agape Water Solutions, Inc.

High pressure pumping systems - it`s all in the design

High pressure pumping systems are used in a wide range of industrial processes. Careful selection of the components of the pumping system is essential for optimum safety and reliability. Failure to install a quality pump designed for the task could present a potential risk to human health or life or result in significant down-time and loss of production capacity with the associated costs to the ...

May 18, 2011

By Cat Pumps

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