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Archives :: Environmental, Health & Safety

Displaying 81 - 100 of 690 stories.
July 1, 2012
In designing and sizing relief-device and effluent-handling systems, one commonly overlooked aspect of the performance is examining the potential for low temperatures that can cause the components of the system to reach temperatures below their respective, minimum-design metal temperatures (MDMT), which may result in brittle fracture with subsequent loss of containment. This article points out limitations...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/overpressure_and_runaways/Overpressure-Protection-Consider-Low-Temperature-Effects-in-Design_9460.html
July 1, 2012
After a serious accident at a chemical plant, petroleum refinery or other freestanding industrial facility, the U.S. Chemical Safety Board (CSB; www.csb.gov) may immediately initiate an investigation, often getting “in the air” while the emergency is still unfolding. The CSB team will consist of skilled accident investigators who are often accompanied by independent experts noted for their...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/process_safety_mgmt/Working-with-the-CSB-After-a-Major-Accident_9462.html
June 1, 2012
Circa 1978, Reese and I visited a petrochemical plant in Corpus Christi, Texas. Primarily, our job was to inspect trays that had been installed in three columns. Each of those columns was about 10 ft in diameter and 100 ft tall. Our first mistake: We tried inspecting all three columns on the same day. By the time we got to the third column we were physically drained. Nevertheless, with shaky legs and arms...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/A-very-confined-space_9396.html
June 1, 2012
U.S. House approves cybersecurity bill to ease information sharing Last month, the U.S. House of Representatives voted to pass the Cyber Intelligence Sharing and Protection Act (CISPA), a measure that would ease information sharing among chemical firms and other companies with facilities that are vulnerable to cyberattacks. The bill has been met with much controversy: President Obama has threatened a veto...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/regulatory/Newsbriefs-for-June-2012_9370.html
June 1, 2012
An explosion is defined as “a rapid increase in volume and release of energy in an extreme manner,” and is usually accompanied by high temperature generation and gas release. Flammable gases, vapors, dusts and ambient oxygen — all present in chemical processing facilities — can react to cause an explosion that essentially creates a shock wave. As a result of modern production...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/dust_explosions/Explosions-Are-You-Prepared_9364.html
May 23, 2012
The U.S. Chemical Safety Board (CSB; www.csb.gov) has deployed a four-person investigation team to El Dorado, Ark. to determine the cause of an explosion and fire that severely burned and killed three workers. The accident occurred Monday, May 21, 2012, mid-afternoon on an oil-tank site operated by Long Brothers Oil Co. on land the company leased near El Dorado, in the southernmost part of the state...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/CSB-deploys-team-to-investigate-fatal-hot-work-explosion_9374.html
May 1, 2012
Adsorption and absorption play a big role in reducing air pollution in many applications around the world. Studies show that the largest single use of absorbers this year will be to capture SO2 from power-plant flue gas. Adsorbers will be used by many chemical process industries (CPI) to capture volatile organic compounds (VOCs) and odors. A small, but fast growing industrial segment uses ozone and...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/Adsorption-and-Absorption_9251.html
May 1, 2012
Reducing freshwater consumption and wastewater discharge at large petroleum-refining and chemical-production facilities can lower costs, while allowing plants to expand production capacities without having to secure additional freshwater resources and without having to enlarge their wastewater treatment plants. The key approaches to saving significant amounts of water are: improved water management...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/water_treatment_and_supply/Water-saving-strategies-for-the-CPI_9277.html
May 1, 2012
Control and automation in the chemical process industries (CPI) have evolved by leaps and bounds over the past century, bringing along a host of benefits. As a result, today’s state-of-the-art facilities are more in line with business objectives, less prone to unplanned shutdowns and better able to manage process safety. However, these improvements come hand-in-hand with a relatively new challenge...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/plant_security/Is-your-control-system-vulnerable-to-an-attack_9267.html
April 1, 2012
This company has added long-range fire detection and fire risk-assessment capabilities to certain models of its EyeSec line of high-performance, uncooled thermal cameras. With this integrated option, the company claims to be the only camera manufacturer...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/fire_protection/A-video-camera-that-detects-fires-and-fire-risks_9199.html
March 26, 2012
Guodian Northeast Environmental Protection Industry Group, Ltd. has selected Siemens Industry Automation Division (Nuremberg, Germany; www.siemens.com/water) to supply an IPS composting system using the new Mechanically Enhanced Biodrying (MEB) process for the Shenyang Wastewater Treatment Plant Sludge Treatment Project in Shenyang, China. It will be the largest IPS composting facility ever built, and one...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/water_treatment_and_supply/Siemens-to-provide-IPS-composting-system-in-China_9136.html
March 1, 2012
Already, in the first two months of this year, the unpredictable and winding road of the so-called Boiler MACT, has taken yet another set of hair-pinned curves. Now industry groups are pushing even harder for an act of Congress that would put on the brakes and allow more time for the regulations to be reshaped. At stake, says Robert Bessette, president of the Council of Industrial Boiler Owners (CIBO...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/regulatory/Road-to-Boiler-MACT-Takes-Sharp-Turns_9025.html
February 4, 2012
The Babcock & Wilcox Co. (B&W; Charlotte, N.C.; www.babcock.com) says that its subsidiary, Babcock & Wilcox Power Generation Group, Inc. (B&W PGG), has been awarded a contract to design and...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/B-and-W-to-supply-environmental-control-technology-for-Colorado-power-plant_8994.html
February 1, 2012
U.S. Environmental Protection Agency (EPA) regulations call for continuous emissions monitoring (CEM) systems to be tested with “zero-air” materials to qualify the accuracy of the instruments. CEMS operators sometimes mistakenly use a...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/CEM-standards-that-achieve-regulatory-compliance_8964.html
February 1, 2012
Production of natural gas from shale formations presents key water management challenges. As the number of gas drilling operations continues to grow in shale plays around the world, and the practice of hydraulic fracturing (frac or fracing) of gas wells remains widespread, efficient water use strategies are becoming critical aspects of shale gas operations. Fresh water supplies for drilling and fracturing...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/water_treatment_and_supply/Frac-Water-Reuse_8943.html
February 1, 2012
Last month, this company launched an explosion-protection option for enclosures, enabling them to be ideal for analyzers in open-field sites, such as petroleum refineries and chemical process plants. A new inert-gas...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/safety_instrumentation/Enclosures-with-explosion-proof-protection_8976.html
February 1, 2012
Vegamet 391 with SIL (safety integrity level) qualification is a universal signal-conditioning instrument for a variety of measurement tasks, such as level, gage-and process-pressure...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/safety_instrumentation/A-signal-conditioner-with-SIL-qualification_8991.html
February 1, 2012
This filter captures hydrocarbon spills while passing rainwater Ultra Tech International Ultra-Filter Pads (photo) are suitable for use on construction sites, oil fields and other areas where spill containment is needed but shelters or structures are not available to keep out rainwater. The filters capture oil, grease and other hydrocarbons while allowing clean rainwater to flow through. The filter’s...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/spill_response/Focus-on-Spill-Response_8935.html
January 29, 2012
The Babcock & Wilcox Co. (B&W; Charlotte, N.C.; www.babcock.com) says that its subsidiary Babcock & Wilcox Construction Co., Inc. (BWCC) has been awarded a contract worth more than $75 million to provide construction services for the installation of...
http://www.che.com/environmental_health_and_safety/environmental_mgmt/air_pollution_control/B-and-W-awarded-$75-million-environmental-construction-contract-for-Indiana-power-plant_8933.html
January 1, 2012
Pressure relief valves and rupture disks are critical safety devices for protecting personnel and processing equipment from overpressurization situations. Presented here are several engineering practices that can help to identify and address common problems with the pressure relief systems of chemical process industries (CPI) facilities. Common causes of overpressurization Overpressure situations can have...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/overpressure_and_runaways/Avoiding-Pressure-Relief-Problems_8842.html
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