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Displaying 61 - 80 of 275 stories.
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.chemengonline.com/environmental_health_and_safety/plant_and_personnel_safety/overpressure_and_runaways/Avoiding-Pressure-Relief-Problems_8842.html
December 1, 2011
The following letter originally appeared in Chemical Engineering, December 2011, p. 6. The U.S. Dept. of Health and Human Services’ (HHS) flawed and unwarranted ruling that styrene poses a health hazard continues to stir opposition from respected scientists, manufacturing leaders, the hundreds of thousands of American workers whose jobs depend on a viable styrene industry, and a broad-based...
http://www.chemengonline.com/environmental_health_and_safety/plant_and_personnel_safety/regulatory/Better-styrene-science-needed_8752.html
November 1, 2011
One of the biggest issues related to dust collection is compliance with U.S. Occupational Safety Health Administration (OSHA) and U.S. Environmental Protection Agency (EPA) regulations regarding combustible dusts and air quality. And as both agencies up the ante with tighter regulations and more scrutinizing inspections, it is imperative that processors make sure their facilities are meeting the standards...
http://www.chemengonline.com/environmental_health_and_safety/plant_and_personnel_safety/dust_explosions/Collecting-dust_8622.html
November 1, 2011
(From November 2011, Letters) Perhaps enough has been written about the questionable science underlying recent U.S. government pronouncements concerning formaldehyde and human cancer of the lymphohematopoietic system (“LHPs—including the leukemias and the lymphomas)*. Now, suppliers of formaldehyde-containing product must face the uncertainties and high expense of defending questionable and...
http://www.chemengonline.com/environmental_health_and_safety/plant_and_personnel_safety/hazardous_substances/Fight-formaldehyde-litigation_8600.html
November 1, 2011
Last month, this company released its new Tofino Scada Security Simulator (TSSS), part of the Tofino Industrial Security Solution. The product is a complete control system in a box, designed to demonstrate...
http://www.chemengonline.com/environmental_health_and_safety/plant_and_personnel_safety/plant_security/A-new-tool-for-improving-Scada-security_8655.html
November 1, 2011
With a unique adhesive bottom, the Grippy Mat stays in place under a wide range of conditions, and peels up easily without leaving a residue on the floor. The...
http://www.chemengonline.com/environmental_health_and_safety/plant_and_personnel_safety/spill_response/This-absorbent-mat-stays-in-place-under-all-conditions_8653.html
October 1, 2011
The newly upgraded Earth-Rite Tellus II offers effective static earth verification for drums, IBCs and other mobile equipment in hazardous area operations. The lightweight static dissipative polyester (SDP) enclosure can be mounted in all...
http://www.chemengonline.com/environmental_health_and_safety/plant_and_personnel_safety/safety_instrumentation/Proper-grounding-assured-with-this-verification-system_8539.html
October 1, 2011
The HLEL Series of emergency lighting fixtures offers a fiberglass-reinforced polyester housing that is suitable for use in indoor hazardous environments, such as...
http://www.chemengonline.com/environmental_health_and_safety/plant_and_personnel_safety/safety_instrumentation/These-emergency-lights-have-battery-options_8554.html
September 1, 2011
The ONESuit Shield Level B hazmat suit features an open-faced design and is made from a lightweight, robust and flexible fabric construction. It is...
http://www.chemengonline.com/environmental_health_and_safety/plant_and_personnel_safety/A-hazmat-suit-with-NFPA-certifications_8446.html
September 1, 2011
This new automatic valve performs multiple functions in a piping system, including pressure relief, backpressure control, pump bypass and anti-siphon protection. The...
http://www.chemengonline.com/environmental_health_and_safety/plant_and_personnel_safety/overpressure_and_runaways/A-multipurpose-backpressure-valve-made-of-plastic_8447.html
August 1, 2011
The lowest KR values in rupture discs KR values are used to determine the frictional flow loss in rupture discs. While the perception is that all rupture discs have high KR values, this company’s FAS (Forward Acting Scored) and PRO+ (Precision Reverse Operating) discs debunk this perception by offering the best flow characteristics available in a rupture disc. Having a lower KR value means that the...
http://www.chemengonline.com/environmental_health_and_safety/plant_and_personnel_safety/overpressure_and_runaways/Focus-on-Rupture-Discs-and-Pressure-Relief_8319.html
August 1, 2011
LB/FB Remote I/O Systems are used to connect intrinsically safe Namur switching signals and solenoid valve outputs as well as temperature inputs, or the supply of two- or four-wire transmitters, proportional valves and positioners. LB Remote I/O is...
http://www.chemengonline.com/environmental_health_and_safety/plant_and_personnel_safety/safety_instrumentation/These-remote-IO-systems-are-now-more-compact_8325.html
July 1, 2011
The Mobile Perimeter System (MPS) IV (photo) is a mobile gas-monitoring platform that can be rapidly deployed for temporary or remote gas-detection applications. The...
http://www.chemengonline.com/environmental_health_and_safety/plant_and_personnel_safety/alarm_mgmt/Be-alerted-of-gas-emissions-with-this-mobile-alarm-controller_8207.html
July 1, 2011
Developed for installation in confined spaces, the ready-to-connect pressure booster systems Hya-Solo D FL Compact (photo) and Hya-Duo D FL Compact systems...
http://www.chemengonline.com/environmental_health_and_safety/plant_and_personnel_safety/fire_protection/Firefighting-equipment-for-when-space-is-limited_8163.html
July 1, 2011
This company has recently introduced its SCD (forward acting) and SCR (reverse buckling) rupture discs with micro-scored calibration sections. The patent-pending technology makes the discs very flexible so...
http://www.chemengonline.com/environmental_health_and_safety/plant_and_personnel_safety/overpressure_and_runaways/Micro-scored-rupture-discs-offer-added-benefits_8192.html
July 1, 2011
A new Self-Retracting Cable Reel option is now available for this company’s range of hazardous-area static-grounding systems. The VESM02 (photo) provides a rugged and versatile alternative to spiral (retractable)...
http://www.chemengonline.com/environmental_health_and_safety/plant_and_personnel_safety/process_safety_mgmt/This-grounding-cable-retracts-to-prevent-damage-from-outdoor-use_8205.html
July 1, 2011
For installation in Zone 2 or in safe areas, the new 9410 Series of compact field-device couplers (FDCs) feature protection for the trunks against feedback through short circuits in the spurs. The cost-efficient FDCs...
http://www.chemengonline.com/environmental_health_and_safety/plant_and_personnel_safety/safety_instrumentation/Field-device-couplers-for-spur-protection_8201.html
July 1, 2011
For years, clay has been the go-to product for spill containment simply because it was cheap and did the job. While clay, also referred to as diatomaceous earth, sand or kitty litter, will always have a place in in spill containment, if it’s the only product being used to clean up hazardous and other spills, it could be costing your facility more than you realize. With more modern options available...
http://www.chemengonline.com/environmental_health_and_safety/plant_and_personnel_safety/spill_response/Absorbents-for-spills_8219.html
June 1, 2011
There was a time, not long ago, when most groups responsible for industrial control systems (ICS) in the chemical process industries (CPI) were not much worried about security. They had their firewalls in place and their remote access servers, and overall that worked for them. Rarely, a virus would sneak in and usually do little damage. The affected computers would need to be shut down and cleaned out, but...
http://www.chemengonline.com/environmental_health_and_safety/plant_and_personnel_safety/plant_security/Cybersecurity-for-Chemical-Engineers_8095.html
May 19, 2011
This company has recently introduced its SCD (forward acting) and SCR (reverse buckling) rupture discs with micro-scored calibration sections. The patent-pending technology makes the discs very flexible so that...
http://www.chemengonline.com/environmental_health_and_safety/plant_and_personnel_safety/overpressure_and_runaways/Micro-scored-rupture-discs-offer-added-benefits_8054.html
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