Improving risk assessment methods for process plant
Journal of Hazardous Materials, 6 (1982) 249-260 249 Elsevier Scientific Publishing Company, Amsterdam - Printed in The Netherlands IMPROVING RISK ASSESSMENT METHODS FOR PROCESS PLANT R.A. COX Technica Ltd., 11 John Street, London WCIN 2EB (Gt. Britain) (Received July 6, 1981; accepted November 4, …
Process Safety Management (PSM) for managing
The process hazards analysis (PHA) in the pilot plant follows the OSHA PSM standards. The system is based on a framework that can ensure adequate hazards review and fulfill the PHA requirements. In a case study, this application has been successfully shown to be workable and practicable to manage process hazards in the pilot plant.
Integrated process development for an optimum gas processing plant
2.3. Design methodology of propane plus recovery unit and fractionation train. The best technology to process gases depends on inlet gas characteristics and liquid recovery objective (Gaskin and Mehra, 1999).A major leap in NGLs recovery was the introduction of a turbo-expander technology, which is known as an Industry-Standard …
Process Control for Mineral Processing Plants
Maintaining operation close to a significant restraint can give very large financial returns. Process Control for Mineral Processing Plants It is first necessary to determine the variables that limit performance. For instance what happens if the feed rate is increased (eg. where does spillage occur).
Optimal layout of modular multi-floor process plants
Requirements have been modeled in a mathematical programming model as constraints such as connectivity, pumping, safety, pipe routing, multi-floor arrangements, etc., to establish the optimal cost and safe plant layouts. This paper proposes to develop and utilize a MILP mathematical layout optimization model to help design and construct …
Process Plant
Abstract. Process plants manufacture chemical products to meet modern world needs. For safer operation, process safety is envisaged via four strategies, namely inherent, passive, active, and procedural. Among them, the inherent strategy covers all …
A new technique for simultaneous water and energy
This paper presents a new conceptual technique for simultaneous reduction of water and energy in process plants which combines numerical and graphical visualisation tools. This approach offers two key advantages over current state-of-the art techniques. Firstly, it is applicable to mass transfer based (MTB) and non-mass transfer …
Integrated framework for behaviour analysis in a process plant
The proposed integrated framework for the behaviour analysis of the considered system has following three phases (See Fig. 1 ). Download : Download full-size image. Fig. 1. Integrated framework. Firstly, data/information is collected from the various sources such as maintenance log book and maintenance expert.
Vulnerability analysis of process plants subject to
Abstract. In the context of domino effects, vulnerability analysis of chemical and process plants aims to identify and protect installations which are relatively more susceptible to damage and thus contribute more to the initiation or propagation of domino effects. In the present study, we have developed a methodology based on graph theory …
Outage and asset damage triggered by malicious
A full security analysis with respect to the scenarios coming from malicious manipulations of the control system requires the investigation of both the attack to the IT-OT network and the manipulation of the physical process system (the plant) (Fig. 1).The methodologies dedicated to process plant security vulnerability assessment (e.g. the …
Development of comprehensive healthier process plants
Given the pervasiveness of health hazards, the creation of healthier process plants relies on collaborative endeavors at different phases of the life cycle (Hurme and Rahman, 2005, Liu et al., 2023).In the process development and design phase, chemical health hazards can be estimated by a series of classical indices, such as Dow's …
Using dynamic process simulation from conception to
Using Dynamic Process Simulation from Conception to Normal Operation of Process Plants L. Naess, A. Mjaavatten Norsk Hydro a.s, Research Centre Box2560,N-3901 Porsgrunn, Norway and J-O. Li Division of Engineering Cybernetics, The Norwegian Institute of Technology N-7034 Trondheim, Norway ABSTRACT The use of dynamic …
Process Safety Management (PSM) for managing
The PSM 29 CFR 1910.119 (h) regulations promulgated in 1992 provides standards that covered processes to obtain and evaluate data regarding contractors' health and safety programs as well as the contractors' performance evaluation. Many of the accidents involving contractors are direct result of poor training of contractors and/or poor control ...
Processes | Special Issue : Innovation in Chemical …
The aim of this Special Issue of Processes on the topic "Innovation in Chemical Plant Design" is to highlight recent innovation in chemical engineering process design and to point out trends and …
Closed-circulating CO2 sequestration process evaluation
Search ScienceDirect. Science of The Total Environment. Volume 738, 10 October 2020, 139747. ... iron ion and chloride anion, sulfate anion, nitrate anion, etc. Wastewater recycling process in steelmaking plant was complicated and consisted of flocculation process, precipitation, neutralization process and etc.
Lessons from Human Error Incidents in Process Plants
Process industries rely on effective decision-making by human operators to ensure safety. Control room operators acquire various inputs from the DCS, interpret them, make a prognosis, and respond through appropriate control actions. In order to perform these effectively, the operator needs to have appropriate mental models of the process.
Improvement of natural gas dehydration performance by
In this study, the natural gas dehydration process of the Sarkhun gas plant was simulated by steady state simulation software and the optimum separation temperature was determined. According to the simulation results, in order to improve processes performance, the glycol concentration should be increased from 85% to 92% and also …
Reliability Evaluation and Risk Based Maintenance in a Process Plant …
An effective operation of process plant depends on the maintenance practices followed and its operating reliability. In process plants having increasing demand for its product, the effective operation is very important. ... Procedia Technology 24 ( 2016 ) 576 â€" 583 Available online at ScienceDirect 2212-0173  ...
Lessons from Human Error Incidents in Process Plants
Dilute acid pumping system. Trans IChemE, Part B, Process Safety and Environmental Protection, 2006, 84(B3): 174–178 HUMAN ERROR INCIDENTS IN PROCESS PLANTS 175 a specified reflux ratio, indicating that the light material had been removed sufficiently to meet specifications. The entire batch distillation sequence …
An Applied Guide to Process and Plant Design | ScienceDirect
Description. An Applied Guide to Process and Plant Design is a guide to process plant design for both students and professional engineers. The book covers plant layout and the use of spreadsheet programmes and key drawings produced by professional engineers as aids to design; subjects which are usually learned on the job rather than in education.
A novel methodology to measure safety level of a process plant …
Application of methodology in a process plant3.1. Process description. For this study, process plant of a gas production facility has been chosen. The facility includes production wells, flow lines, gathering system and process plant which has coolers, separators and compressors. STPA is applied on the process plant and then it studied …
Topology based 2D engineering drawing and 3D model
2D engineering drawings and 3D models (2D & 3D) are crucial documents in plant design and construction. In a timely fashion, a process plant's life cycle can be divided into planning, design, construction, operation and disposal [1]. Thereinto, design stands out as the most important stage in ensuring the plant quality.
Process plant layout optimization considering domino
The first one is used to validate the model accuracy and the second one is a large-scale petrochemical plant. Conclusion. The plant layout optimization as a mean to reduce the domino effect in the industrial chemical plant was mathematically modeled and numerically solved by a naturally inspired meta-heuristic algorithm named BAT algorithm.
Practical Machinery Management for Process Plants
Maximizing Machinery Uptime. Volume 3pp. 3 - 630 • 2005. Machinery Component Maintenance and Repair. Volume 2pp. 1 - 668 • 1999. Machinery Failure Analysis and Troubleshooting. Volume 1pp. 1 - 680 • 1998. Improving Machinery Reliability. Volume 4pp. 3 - 700 • 1997. Major Process Equipment Maintenance and Repair.
Multi-objective optimization of chemical process plant
The layout design of chemical process plant plays an important role in improving the safety level and reducing economic investment. From an economic perspective, a well-planned layout can effectively save operating costs 10–30%, while a poorly planned layout may increase operating costs by 15–70%.
Dynamic simulation of oxyfuel CO2 processing plants
Abstract. This paper illustrates the application of dynamic simulation for the development of CO 2 processing plants which are part of oxyfuel power plants. It is shown how dynamic simulation models are used to study transient processes such as load changes and disturbances, to evaluate and improve process design concepts, and to …
Improving plant-level heat pump performance through process …
Method. The overall method of selecting and assessing the impact of sequential process changes on a heat pump's performance consists of three phases: (1) selection of heat pump connections, (2) selection of process changes, and (3) assessment of the impact of process changes on the heat pump's COP. 2.1.
Practical Machinery Management for Process Plants
Read the latest chapters of Practical Machinery Management for Process Plants at ScienceDirect, Elsevier's leading platform of peer-reviewed scholarly literature
On demodulation of time-varying oscillations in process plant
7. Conclusions. We have proposed a novel detector to address the extraction, demodulation and detection of time-varying oscillations in noisy process plant. A primary mathematical description of the time-varying oscillation was first presented through properly extending the notion of AM–FM signal.
An Applied Guide to Process and Plant Design
Explains how to deliver a process design that meets both business and safety criteria; Covers plant layout and the use of spreadsheet programs and key drawings as aids …