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Archives :: Environmental, Health & Safety :: Plant & Personnel Safety

Displaying 201 - 220 of 269 stories.
February 1, 2009
Eye injuries of all types occur at a rate of more than 2,000 per day in the U.S., and half of those occur in the workplace. In 2006, the U.S. Bureau of Labor Statistics (BLS) reported over 52,000 workplace injuries to the eyes and face, and approximately 70% of those were eye injuries [1]. The need to protect the face and eyes in the workplace is clear. FIGURE 1.  Safety glasses help shield eyes from...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/Eye-and-Face-Personal-Protective-Equipment_4499.html
January 13, 2009
I would like to draw your attention to a few points on the November 2008 article, Pressure Relief System Design (pp. 40–45): 1. Pressure drop and pressure loss: The inlet pressure “drop” that the author refers to under Relief system piping is non-recoverable pressure loss, and does not include a “drop” in pressure due to elevation increase. It should be labeled as a pressure...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/Comments-on-Pressure-Relief-System-Design_4473.html
November 1, 2008
  Pressure relief systems are vital in the chemical process industries (CPI) for handling a wide variety of situations. They are used to prevent pressurization above a system’s design pressure; for venting during an unusual or emergency situation; and for normal depressurization during a shutdown, as examples. In some cases, such as when non-combustible gases including steam, air and nitrogen...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/Pressure-Relief-System-Design_4319.html
October 15, 2008
Since the original invention of the steady-stream eyewash over 50 years ago, the accepted practice in the chemical process industries (CPI) and other industrial circles has been to flush the eyes with two, separate, arc-shaped water streams, each one flowing from the outside corner of the eye inward (diagram). A little-known, but potentially serious problem with this approach, says Michael Markovsky, vice...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/Chementator-Eye-washing-takes-a-new-direction_4249.html
October 15, 2008
This article presents the fundamental concepts of the discharge coefficient, KD, of a relief valve or a safety relief valve, and flow resistance factor, KR, of a rupture disk, and their proper use in sizing an emergency relief system. When these devices are used to protect a pressure vessel, they must be certified according to ASME code in the U.S. Both the discharge coefficient and the flow resistance...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/overpressure_and_runaways/Engineering-Practice-Discharge-Coefficients-and-Flow-Resistance-Factors_4242.html
August 29, 2008
Invensys Process Systems (IPS; Plano, Tex.), a global technology, software and consulting firm, today announced that it has been selected by The Arkema Group, a leading multinational chemical manufacturer, to provide a wireless alarm-management, handheld solution for hazardous industrial areas. IPS services and technology will enable Arkema's field operations teams to keep in touch with process alarms and...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/alarm_mgmt/IPS-provides-Arkema-Rotterdam-with-wireless-solution-for-operators_4139.html
July 15, 2008
Workers in the chemical process industries (CPI) would certainly benefit from the "perfect" glove that would be thick enough for thermal insulation, thin enough to promote dexterity and tough enough to protect workers from cuts and abrasion. The glove would also protect against all known chemicals and be offered at a minimal price. This perfect glove, however, does not exist. Processors and...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/Finding-the-Right-Gloves-To-Fit-the-Application_4014.html
July 15, 2008
Industrial designer Tore Christian Bjørsvik at Sintef Health Research (Trondheim, Norway; edlinks.che.com/7374-545) has developed a safety helmet with a soft, flexible inner layer that...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/protective_equipment/Chementator-A-smart-helmet_4040.html
July 14, 2008
A massive fire that injured four workers and caused the total shutdown and evacuation of the Valero McKee Refinery in Sunray, Tex., in February 2007 likely occurred after water leaked through a valve, froze, and cracked an out-of-service section of piping, causing a release of high-pressure liquid propane...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/CSB-determines-causes-of-massive-propane-fire-at-Valero-refinery_4061.html
July 2, 2008
A revamped website from Continental Disc Corp. (Liberty, MO) features easy-to-use navigation and simple rupture-disc pressure-protection information in a new look that is clean...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/overpressure_and_runaways/Website-helps-identify-local-pressure-measurement-expertise_4044.html
May 22, 2008
Whether noise is encountered on the job or in the community, most people are at risk of hearing loss if they don’t take precautions. The occupational and environmental health and safety professionals of the American Industrial Hygiene Association (AIHA) believe that noise exposure is an omnipresent issue in our communities and workplaces. Noise in the Workplace: A Pervasive Hazard For millions of...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/The-Inescapable-Sound-of-Noise_3903.html
May 15, 2008
Small-scale chemical producers that use chlorine often rely on larger producers, which sell them the excess Cl2 produced by dedicated chlor-alkali plants. However, such Cl2 supplies are being threatened on a number of fronts, at least in Europe, where new legislation forbidding the import or export of mercury (after 2010) could force older Hg-based chlor-alkali plants to convert to membrane technology or...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/Chementator-A-New-Concept-in-the-Supply-of-Cl2_3881.html
May 15, 2008
Most common acids can be stored in horizontal or vertical ASME-type tanks, as shown in the figures to the right, or vertical API-type tanks. Horizontal, carbon-steel ASME-type tanks of 10,000 — 40,000 gal capacity should have a plate thickness of 3/8 in. with dished heads of the same thickness. The thickness includes a corrosion allowance of 1/4 in., which provides a tank life of 15 — 20 years...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/hazardous_substances/Facts-at-Your-Fingertips-Acid-Storage_3864.html
May 15, 2008
To many, the concept of a "smart plant" involves integrating critical process subsystems and instrumentation with the goal of streamlining operations, increasing production and, simply put, making more money. But looking at the bigger picture, the true goal of having an integrated smart plant isn’t solely automating processes or capturing knowledge electronically. The ultimate goal is...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/plant_security/An-Integrated-Approach-to-Industrial-Security_3861.html
May 15, 2008
This month, the newly released Foundation for Safety Instrumented Functions (SIF) was demonstrated at Shell Global Solutions (Amsterdam, Netherlands) — one of several demonstrations planned by the Fieldbus Foundation (FF; Austin, Tex....
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/safety_instrumentation/Chementator-Foundation-for-SIF-Demonstrations_3884.html
April 15, 2008
A good understanding of the reaction chemistry is needed for a safe process design It is a fact that safety-related incidents do occur in the chemical process industries (CPI). These incidents have, in part, led to increased attention to reactive-chemical issues by industry, government and other stakeholders. We know that good safety-management systems take the reactivity of chemicals as well as the...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/overpressure_and_runaways/Environmental-Manager-A-Checklist-for-Safer-Chemical-Batch-Reactions_3800.html
March 15, 2008
Negative opinions regarding the adequacy of contemporary process-plant safety certainly exist in the public, governmental and private sectors. Any way you look at it, a harsh truth for the chemical engineering profession is that for every thousand or so thankfully uneventful operations, a pessimistic residue lingers from a tragic incident of the past. That presence continually reminds us to heed the...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/Editors-Page-Are-we-taking-safety-seriously_3712.html
March 15, 2008
July, Causes and Prevention of Packing Fires, p. 34. I thought the article was very timely and informative and appreciate being a reference for your paper. However, after reviewing the information provided regarding potassium permanganate (especially Table 1), I must provide the following constructive comments. We know of one specific refinery that has been using permanganate since 1991 with excellent...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/Letters-Packing-fires-and-permanganate_3713.html
March 15, 2008
On January 31, 2008, law firm Chadbourne & Parke LLP held its "Nanotechnology, Law & Commerce" forum exploring "Business at One-Billionth of a Meter." A total of 18 invited speakers explored a variety of topics including the current state of nanotech R&D; public policy, politics and legal issues; the financing and underwriting of nanotech; and "nanoethics." George...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/Newsfront-Forum-Makes-a-Big-Deal-about-Nanotech_3718.html
March 15, 2008
The standard way to test for toxicity in individuals who have been exposed to heavy metals is to take a blood sample and analyze it in the laboratory by plasma mass spectrometry, an expensive and time-consuming procedure. Now, a portable instrument that can do the same job in the field in 2 – 5 min, for one-tenth the cost, has been developed at Pacific Northwest National Laboratory (PNNL, Richland...
http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/protective_equipment/Chementator-A-portable-analyzer-for-toxicity-in-humans_3738.html
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