© 2017 CEDCS Ltd

Chemical engineering consultancy services

Can I help you with your chemical plant project?

I have had a professional career of over 40 years. In that time, I have worked for multinational and small companies. I have had roles in design, development, research, plant management, and various consultancy roles. My preferred work is technical work, and I worked in any chemical engineering technical topic. However over the years I have concentrated on a limited number, and I now only offer consultancy in those areas - Hazard Studies Risk Assessment Fluid flow Hazard Studies I worked for 21 years for ICI, the former UK chemical giant, which was responsible for many world-leading developments in chemical engineering practice. One of these was developing systematic ways to examine the design of a chemical plant to ensure that all possible reasonable precautions had been taken  to ensure its safe operation to staff, offsite persons and the environment. In all we developed 6 distinct Hazard Study stages, as well as the related HazID (Hazard Identification) technique. The world has embraced these all to a greater or lesser extent. Stage 3, the examination of the plant flowsheet and design prior to construction, has become a world standard technique. Today, virtually every chemical plant design will be scrutinised using this process. Usually, plant operational aspects will also be examined at the same time, and the resultant procedure is known as a Hazard and Operability Study, or HazOp study for short. However the other stages of Hazard Study, whilst less universally used, offer big benefits to process developers (Hazard Studies 1 and 2), and to plant builders (Hazard Studies 4 and 5) and to plant operators (Hazard Study 6). I specialise in leading Hazard Studies 1 to 3 and HazOp studies. Due to client demand, HazOp is the most frequent type of study I lead. Risk Assessment Risk Assessment is a universal topic nowadays, routinely applied in every workplace. Within chemical plants, Risk Assessments are used in all phases of the plant life cycle. I am particularly interested in their use in design inside Hazard Studies, where simple risk assessments are carried out continually, and as separate exercises when significant risks are exposed there. This often leads to the design of electronic and mechanical safety systems, and where serious risks to health and the environment are involved, formal design processes are mandatory by las to ensure that robust and appropriate safety systems are installed. I specialise in assessing risks in order to specify the safety system needed, and in particular the Safety Integrity Level required, for significant risk scenarios. Fluid flow This is a wide technical topic, and goes from practical design of pipes to computerised simulation of complex flow situations. It can involve liquids, gases and powdered solids, or even all three, for example inside fluidised bed devices. It can involve flow driven by pumps, other pressure sources, or gravity. Gravity flow in particular is a topic which can cause all sorts of difficulties if the piping system is wrongly designed. Another interesting area of fluid flow is what happens in very long pipelines, or where flow rate changes occur quickly. In these cases, sudden surges in pressure can run through the piping system, causing very high pressures and forces which can destroy the pipes. This can result in personnel injury, environmental harm, and serious financial loss.  The phenomenon is known as water hammer or surge flow. It is therefore important to assess the design of piping systems to ensure that this cannot occur, and to design out problems if it is found to be a possibility. I specialise in modelling piping systems using computer design programs such as Flowmaster and Pipenet to assess pipe system designs and to design solutions if the modelling detects possible water hammer problems. There is more information on these topics on other pages on this site under the sub-items in the Chemical Engineering menu item above. I would be happy to provide you with expert help on any of these topics. Please contact me to discuss your requirements. My contact details are on the site “Contact” page, or click the e-mail button on the top of any page.

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Chemical

engineering

consultancy services

Can I help you with your

chemical plant project?

I have had a professional career of over 40 years. In that time, I have worked for multinational and small companies. I have had roles in design, development, research, plant management, and various consultancy roles. My preferred work is technical work, and I worked in any chemical engineering technical topic. However over the years I have concentrated on a limited number, and I now only offer consultancy in those areas - Hazard Studies Risk Assessment Fluid flow Hazard Studies I worked for 21 years for ICI, the former UK chemical giant, which was responsible for many world-leading developments in chemical engineering practice. One of these was developing systematic ways to examine the design of a chemical plant to ensure that all possible reasonable precautions had been taken  to ensure its safe operation to staff, offsite persons and the environment. In all we developed 6 distinct Hazard Study stages, as well as the related HazID (Hazard Identification) technique. The world has embraced these all to a greater or lesser extent. Stage 3, the examination of the plant flowsheet and design prior to construction, has become a world standard technique. Today, virtually every chemical plant design will be scrutinised using this process. Usually, plant operational aspects will also be examined at the same time, and the resultant procedure is known as a Hazard and Operability Study, or HazOp study for short. However the other stages of Hazard Study, whilst less universally used, offer big benefits to process developers (Hazard Studies 1 and 2), and to plant builders (Hazard Studies 4 and 5) and to plant operators (Hazard Study 6). I specialise in leading Hazard Studies 1 to 3 and HazOp studies. Due to client demand, HazOp is the most frequent type of study I lead. Risk Assessment Risk Assessment is a universal topic nowadays, routinely applied in every workplace. Within chemical plants, Risk Assessments are used in all phases of the plant life cycle. I am particularly interested in their use in design inside Hazard Studies, where simple risk assessments are carried out continually, and as separate exercises when significant risks are exposed there. This often leads to the design of electronic and mechanical safety systems, and where serious risks to health and the environment are involved, formal design processes are mandatory by las to ensure that robust and appropriate safety systems are installed. I specialise in assessing risks in order to specify the safety system needed, and in particular the Safety Integrity Level required, for significant risk scenarios. Fluid flow This is a wide technical topic, and goes from practical design of pipes to computerised simulation of complex flow situations. It can involve liquids, gases and powdered solids, or even all three, for example inside fluidised bed devices. It can involve flow driven by pumps, other pressure sources, or gravity. Gravity flow in particular is a topic which can cause all sorts of difficulties if the piping system is wrongly designed. Another interesting area of fluid flow is what happens in very long pipelines, or where flow rate changes occur quickly. In these cases, sudden surges in pressure can run through the piping system, causing very high pressures and forces which can destroy the pipes. This can result in personnel injury, environmental harm, and serious financial loss.  The phenomenon is known as water hammer or surge flow. It is therefore important to assess the design of piping systems to ensure that this cannot occur, and to design out problems if it is found to be a possibility. I specialise in modelling piping systems using computer design programs such as Flowmaster and Pipenet to assess pipe system designs and to design solutions if the modelling detects possible water hammer problems. There is more information on these topics on other pages on this site under the sub-items in the Chemical Engineering menu item above. I would be happy to provide you with expert help on any of these topics. Please contact me to discuss your requirements. My contact details are on the site “Contact” page, or click the e-mail button on the top of any page.

The Hazard Study process

The Hazard Study

process

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