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Bhopal gas tragedy – the scar of process safety
a leaking isolation valve. Water could not have flowed so far if ... gauge to be faulty. Also, there was no reliable way of monitoring the tank temperature. The pressure of the tank was supposed to ... process overview, hazards and maintenance procedures • inspect, test, correct and record any defects that are
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Developing KPIs that drive process safety improvement
www.icheme.orgwithin the company, some of which were leading indicators (e.g., compliance with preventative maintenance plan), and some which were lagging (e.g., number and volume of oil spills). The main finding of this stage of the review was that the company had few indicators, particularly outside the maintenance arena, which could truly be considered to
Dust explosions – hazardous area classification – powder ...
www.icheme.orgsuch as pneumatic conveying, milling and fluidisation is also an important dispersion mechanism Other processes such a pouring and tipping can also lead to dispersion of the dust. Source of Ignition There are many potential sources of ignition that have sufficient energy to ignite a combustible dust. However, consideration of sources of
CHARACTERIZING IMPELLER PERFORMANCE IN STIRRED …
www.icheme.org• Measurements made using Dantec three beam, two component LDA in back scatter mode with Burst Spectrum Analyzer (e.g. Lee & Yianneskis (1998)). Rushton turbine: x = 12 Pitched blade turbine: x = 17 A310 Hydrofoil: x = 16 Sawtooth impeller: x = 12 x D l V =
Flare System Design for Oil and Gas Installations
www.icheme.orgFlare System Design for Oil and Gas Installations Onshore and Offshore Flare Systems Gas flaring systems are installed on onshore production fields, offshore platforms, on transport ships and in port facilities, at storage tank farms and along distribution pipelines. So what are the main differences between an onshore (refinery) Flare
Principles for learning lessons from incidents – a UK ...
www.icheme.orgAn incident/accident reporting system is a key element in any system for learning lessons. If incidents are not reported, lessons cannot be learned. Therefore, to have maximum utility, an effective reporting system would encourage reporting and there would be high levels of reporting. The content and format of the information that is captured by
Flash points of aqueous solutions of flammable solvents
www.icheme.orgcomponent flash-point data readily available in the literature. The approach of using a simple prediction method using the minimum of data is ideal for SMEs who often do not have access to sophisticated physical property data prediction software, and only have access to the open published literature. SYMPOSIUM SERIES No. 150 # 2004 IChemE 1
Texas City Refinery explosion — safety out of focus
www.icheme.orgA lack of safety leadership meant the company focused primarily on financial performance, leading to reductions in staffing, training and safety control systems. Instituting effective safety leadership at an executive level creates a safety mind-set throughout the organisation and would have removed the “tick-the-box” mentality
Piper Alpha – What have we learned? - IChemE
www.icheme.orgEngulfed in fire, over the next few hours most of the oil rig topside modules collapsed into the sea. 167 men died and many more were injured and traumatised. The world’s biggest offshore oil disaster affected 10% of UK oil production and led to financial losses of an estimated £2 billion (the equivalent of US$ 5 billion today).
Flammability and explosibility of ammonia
www.icheme.orgResearch Dept. ICI Organics Division, Blackley, Manchester The flammability limits of oxygen/nitrogen/ammonia mixtures have been determined at ambient temperature, ... increase in the flammable range with temperature increase as found in the present work. All these higher temperature flammability limit data are plotted in Fig. (3) together with ...
Pressure relief considerations for low-pressure ...
www.icheme.orgPRESSURE RELIEF CONSIDERATIONS FOR LOW-PRESSURE (ATMOSPHERIC) STORAGE TANKS Tony Ennis HAZTECH Consultants Ltd. Meridian House Business Centre, Road One, Winsford Industrial Estate, Winsford Cheshire, CW7 3QG, Telephone þ44(0)1606 553840, Facsimile þ44(0)1606 594144, www.haztechconsultants.com
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www.asiaiga.orgprocess of developing harmonized safety practices and this publication is one of them. ... isolate the system for maintenance, (for example, double block and bleed, positive isolation); and ... 1 kPa shall indicate gauge pressure unless otherwise noted as (kPa, …
Data Sheet 1279 Duragauge Pressure Gauge
www.ashcroft.comWhen selecting a diaphragm seal or isolation ring, refer to the Min/Max Guide for compatibility with this gauge or scan the QR code to the right. Data Sheet 1279 Duragauge® Pressure Gauge 2 of 4 All specifications are subject to change without notice. All sales subject to standard terms and conditions. ©2021 Ashcroft Inc. 1279_gauge_ds_RevH ...
PRESSURE GAUGE INSTALLATION, OPERATION AND …
www.ashcroft.combe installed between the gauge and the process line. Siphons can be supplied with ratings up to 4,000 psi. If freezing of the condensate in the loop of the siphon is a pos-sibility, a diaphragm seal should be used to isolate the gauge from the process steam. Siphons should also be used whenever condensing, hot vapors (not just steam) are pre ...
Airborne Infectious Disease Management: Methods for ...
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931 Signal Conditioners - Rockwell Automation
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April 2021 Rosemount Manifold Solutions
www.emerson.comProcess. Two-valve. The two-valve configuration is available on Rosemount 305, 306, and 304 Manifolds for use with absolute and gage pressure transmitters. An isolate valve provides instrument isolation and a drain/vent valve allows venting, draining, or calibration. Figure 2: Rosemount 305 and 306 Manifolds Transmitter Vent Isolate Process