Combustible Dust Testing

Laboratory testing to quantify dust explosion & reactivity hazards

Flammable Gas & Vapor Testing

Laboratory testing to quantify explosion hazards for vapor and gas mixtures

Chemical Reactivity Testing

Laboratory testing to quantify reactive chemical hazards, including the possibility of material incompatibility, instability, and runaway chemical reactions

DIERS Methodology

Design emergency pressure relief systems to mitigate the consequences of unwanted chemical reactivity and account for two-phase flow using the right tools and methods

Deflagrations (Dust/Vapor/Gas)

Properly size pressure relief vents to protect your processes from dust, vapor, and gas explosions

Effluent Handling

Pressure relief sizing is just the first step and it is critical to safety handle the effluent discharge from an overpressure event

Thermal Stability

Safe storage or processing requires an understanding of the possible hazards associated with sensitivity to variations in temperature

UN-DOT

Classification of hazardous materials subject to shipping and storage regulations

Safety Data Sheets

Develop critical safety data for inclusion in SDS documents

Biological

Model transport of airborne virus aerosols to guide safe operations and ventilation upgrades

Radioactive

Model transport of contamination for source term and leak path factor analysis

Fire Analysis

Model transport of heat and smoke for fire analysis

Flammable or Toxic Gas

transport of flammable or toxic gas during a process upset

OSS consulting, adiabatic & reaction calorimetry and consulting

Onsite safety studies can help identify explosibility and chemical reaction hazards so that appropriate testing, simulations, or calculations are identified to support safe scale up

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Engineering and testing to support safe plant operations and develop solutions to problems in heat transfer, fluid flow, electric power systems

Battery Safety

Testing to support safe design of batteries and electrical power backup facilities particularly to satisfy UL9540a ed.4

Hydrogen Safety

Testing and consulting on the explosion risks associated with devices and processes which use or produce hydrogen

Spent Fuel

Safety analysis for packaging, transport, and storage of spent nuclear fuel

Decommissioning, Decontamination and Remediation (DD&R)

Safety analysis to underpin decommissioning process at facilities which have produced or used radioactive nuclear materials

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Expert analysis of possible risk and consequences from nuclear plant accidents

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Testing and analysis to ensure that critical equipment will operate under adverse environmental conditions

Environmental Qualification (EQ) and Equipment Survivability (ES)

Testing and analysis to ensure that critical equipment will operate under adverse environmental conditions

Laboratory Testing & Software Capabilities

Testing and modeling services to support resolution of emergent safety issues at a power plant

Adiabatic safety calorimeters (ARSST and VSP2)

Low thermal inertial adiabatic calorimeters specially designed to provide directly scalable data that are critical to safe process design

Other Lab Equipment (DSC/ARC supplies, CPA, C80, Super Stirrer)

Products and equipment for the process safety or process development laboratory

FERST

Software for emergency relief system design to ensure safe processing of reactive chemicals, including consideration of two-phase flow and runaway chemical reactions

FATE

Facility modeling software mechanistically tracks transport of heat, gasses, vapors, and aerosols for safety analysis of multi-room facilities

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Recent Posts

How To Test For Combustible Dust and Explosive Solids: Video

Posted by The Fauske Team on 07.30.13

 

Any new material being produced, or any existing material with a process change, should have screening tests performed to ensure that they can be safely handled during processing and also classified for transport. The Go/NO-GO explosibility screening test per ASTM E1226 is one such method used to study combustibility of dust clouds, but what about other instances where we have powder layers? One method used to establish the ignition sensitivity of a powder layer is the BAM Fallhammer screening test.


1.  What is the BAM Fallhammer Test? 

The BAM Fallhammer test is used to determine the sensitivity of a given solid (including pastes and gels) or liquids to impact forces by allowing standard hammer weights to fall on a confined quantity of sample and measuring the fall height required to decompose, or detonate, the charge.   

In plain English, the BAM Fallhammer measures the sensitivity of a material to mechanical forces. This test basically shows what happens if a box of the material falls during shipping or if it is struck while in storage (by a forklift). The test also provides invaluable information for safer material handling and processing in industrial plants. This information is essential for plant managers and safety personnel. 

2. Who Determines how to handle a sample Safely?

The BAM Fallhammer test apparatus complies with the UN Transport of Dangerous Goods Manual of Tests and Criteria and also to the Classification, Packaging and Labeling of Dangerous Substances in the EU Part 2- testing methods (latest editions). The test method used in both standards yields quantitative results in the form of a limiting impact energy. These results are used to determine whether a substance can be transported in the same form as it was tested and also provides the data for determining correct packaging symbol, danger indications and risk phrases associated with new and existing products.

This video demonstrates one BAM Fallhammer test conducted at Fauske & Associates, LLC resulting in a "good" ignition. When applying these results to process safety in industrial plants the impact energy – typically given in Joules (1 Joule ~ ¼ calorie) – can then be compared to theoretical values that may be present in various process scenarios. For example, impacts from slide gates, bucket conveying equipment, or mixing paddles can all be potential impact scenarios that one can estimate contact energy levels.

For more information and help, visit www.fauske.com or call 1-887-FAUSKE1 (328-7531). 

Topics: Combustible dust, explosive dust, flammable dust, go no go, explosive solid, BAM fallhammer, testing

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