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Market segments

BM Process Management has over 15 years of experience in several markets that have one thing in common: all are ‘process industries’. This combination of experiences and markets gives you one big advantage: cross contamination of ideas and solutions that an engineer or consultant focused on just one market cannot provide.

Interested in the opportunities? Contact BM Process Management for a conversation on your questions!

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Markets


Oil, gas and chemicals

Expertise Where It Matters Most

The oil, gas, and chemical industries present some of the most demanding challenges in engineering, project execution, and safety. Large-scale installations, complex projects, and significant safety risks require expertise and experience.

At BM Process Management, we bring extensive experience across the entire project lifecycle—from conceptual engineering to startup and commissioning—primarily in the downstream sector.

Refineries, tank storage, plastics production, shipping facilities, truck and railcar loading, emission control—whatever the challenge, we provide strive to provide added value.

E/I & A engineering for a processing unit in Rotterdam

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Energy & Utilities

Energy is an essential part of our communities. The energy transition is a subject that will dominate the agendas worldwide for the coming decades. Securing sustainable and reliable energy is a challenge we have to face.

Sustainable energy in the future also requires a transition by using the sources we have at our disposal in a smarter and more efficient way. Waste-to-energy, biomass, biogas, waste heat recovery, energy consumption reduction of existing processes: all of these are items on which we can be of assistance.

Utilities such as steam, hot water, thermal oil systems, compressed air, cooling water: they are the lifeblood of the process industry. We have extensive experience in these systems to ensure good and safe design or improvements of existing systems.

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Tank storage

The tank storage part of the industry is an often overlooked ‘last link in the chain’. It is just storage of liquid or gaseous bulk products, so how hard can that be?

The tank storage is a small link in the total supply chain, but one that can influence the success of that chain in a far greater way than its total cost would imply. It is about storing products with care, in a safe and sustainable way.

Due to over 10 years of experience in the tank storage industry, BM Process Management knows what’s at stake in this industry. Initial design of tank farms, upgrading existing facilities, debottlenecking, safety issues, utility systems, emission control systems, loading facilities for trucks, railcars, barges and vessels or the engineering of storage tanks.


Food BM Process

Food & beverage, feed

Food is at the core of our daily life. Feed for livestock is of vital importance for our food supply. Producing food and feed in a smart and sustainable way is a huge challenge to feed an ever-growing population with a lesser impact on the planet.

Interestingly, we have found found during our experience with food projects (beverages, ready-to-eat meals, starch production, animal feed) that there is a huge cross section between the oil, gas and chemicals segments and the food industry. Solutions developed in one industry can very well be used in another. One just should see it and grab the opportunity or at least come up with the idea.

Food safe and hygienic design for instance is very much akin to the design used in chemical plants to prevent contamination and prevent build-up of residues. Clean-in-place procedures from food plants can be very practical in the tank storage industry for instance.

Food companies sometimes lack the experience or input from process experts that can enable them to make their plants safer, smarter and easier to use and maintain. Not only food safety is at stake, also process safety is a growing point of attention in the food production industry. For example, HAZOP and LOPA studies do not only attribute to a safer design but also form a very good platform to identify food-safety related risks.

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Knowledge base

Welcome to our Knowledge Base, a dedicated platform showcasing our expertise in engineering, emission control, and project execution. Explore our comprehensive content and stay ahead in the ever-evolving industrial landscape.

This month’s feature: emission control in tank storage

In March, the 20th edition of StocExpo is held in Ahoy Rotterdam. Stocexpo is the leading event for safe and sustainable tank storage. We wrote an article detailing our approach to facing the challenges of a changing world in Tank Storage Magazine.

Read it here >>

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What Is a P&ID Drawing? Meaning, Symbols and Uses

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BM PROCESS · FAQ

What Is a P&ID Drawing? Meaning, Symbols and Uses

By the BM Process Management engineering team · Reviewed by our process and instrumentation engineers · Last reviewed: September 2026

A P&ID, or Piping and Instrumentation Diagram, is a detailed schematic that shows the equipment, piping, valves, instruments and control loops of a process and how they connect. It is the single most referenced document across the life of a process plant.

This page answers the common questions about P&ID drawings: what P&ID stands for and means, what a P&ID is used for in engineering, how it differs from a PFD, what its symbols mean, how P&IDs are developed and kept accurate, and what P&ID engineering services involve. BM Process develops and updates P&IDs as part of its process engineering work.

What Is a P&ID Drawing: Frequently Asked Questions

P&ID meaning and basics

What is a P&ID drawing?

A P&ID, or Piping and Instrumentation Diagram, is a detailed schematic that shows the equipment, piping, valves, instruments and control loops of a process and how they connect. It is the master reference for how a process plant is built and operated, used by engineers across design, construction, commissioning, operation and safety reviews.

What does P&ID stand for?

P&ID stands for Piping and Instrumentation Diagram (sometimes Process and Instrumentation Diagram). The name captures its two roles: showing the piping and equipment that make up the process, and the instrumentation and control that measure and regulate it.

What does P&ID stand for in engineering?

In engineering, P&ID stands for Piping and Instrumentation Diagram. It is the detailed drawing that defines how a process is piped, equipped, instrumented and controlled, and it serves as the working reference for design, construction, commissioning, operation, maintenance and safety studies.

What is P&ID in engineering?

In engineering a P&ID is the detailed diagram that defines how a process is piped, equipped, instrumented and controlled. It is more detailed than a process flow diagram and, because it captures every line, valve and instrument, it functions as the shared technical language of a process plant.

What does P&ID mean?

P&ID means Piping and Instrumentation Diagram. It is the schematic that records the equipment, pipework, valves, instruments and control loops of a process and how they are connected, so everyone working on the plant reads it the same way.

Is there a difference between P&ID, PID, PI&D and P & ID?

These are all the same thing written differently. P&ID is the standard form, PID and P and ID are common shorthands (a PID here is not the same as a PID control loop), and PI&D is an occasional variant. All refer to the Piping and Instrumentation Diagram, so the meaning does not change with the spelling.

What a P&ID is used for

What is a P&ID used for in engineering?

P&IDs are used throughout a plant’s life: to define the design, to guide construction and installation, to support HAZOP and other safety studies, to plan commissioning and operation, and to manage modifications. Because they capture every line, valve and instrument, they are the single most referenced document in process engineering.

Who uses P&ID drawings?

Process, mechanical, instrumentation and control engineers use P&IDs during design; construction and commissioning teams use them to build and start up the plant; operators and maintenance staff use them to run and troubleshoot it; and safety teams use them for HAZOP and risk studies. They are a shared language across every discipline on a project.

Why are accurate P&IDs so important for safety?

Because HAZOP and other hazard studies work directly from the P&ID, any error or omission can hide a real risk. Accurate, current P&IDs ensure that safety reviews, operating procedures and modifications are all based on how the plant actually is, not how it once was. Out-of-date P&IDs are a common root cause behind avoidable incidents.

P&ID vs PFD, symbols and design

What is the difference between a P&ID and a PFD?

A Process Flow Diagram (PFD) gives the high-level picture: major equipment, main flows and key operating conditions. A P&ID goes far deeper, adding every pipe, valve, instrument and control loop needed to actually build and operate the plant. The PFD tells you what the process does; the P&ID tells you exactly how it is put together.

What symbols are used on a P&ID?

P&IDs use standardised symbols for equipment, valves, piping and instruments, with tag numbers and instrument bubbles identifying each item and its function. Standards such as ISA and ISO define these symbols so that any qualified engineer can read the diagram consistently. Consistent symbology is what makes a P&ID a reliable communication tool across teams.

What is P&ID design?

P&ID design is the work of laying out and detailing the piping and instrumentation diagram so it correctly and consistently represents the process: selecting and placing equipment, routing lines, adding valves, instruments and control loops, and applying standard symbols and tag numbers. Good P&ID design makes the drawing unambiguous for design, construction, safety and operation.

What software or program is used to create P&ID drawings?

P&IDs are produced in dedicated engineering drawing tools, ranging from general CAD packages to specialised P&ID software that understands tags, symbols and connectivity and can link the drawing to instrument and equipment databases. The specific program matters less than disciplined use of consistent standards, symbols and tagging, which is what makes the resulting drawing reliable.

Developing, maintaining and P&ID services

How is a P&ID developed?

A P&ID is developed iteratively: it starts from the PFD and process design, then piping, equipment, instrumentation and control detail are added and refined through design reviews and safety studies. It continues to evolve as the plant is built and modified, so keeping P&IDs accurate and up to date is an ongoing engineering responsibility, not a one-off task.

What is P&ID development?

P&ID development is the process of creating and progressively refining the Piping and Instrumentation Diagram, from the first issue based on the PFD through detailed design, safety review and as-built updates. It also covers bringing legacy or outdated drawings back in line with the real plant.

What are P&ID engineering services?

P&ID engineering services cover the creation, development and updating of Piping and Instrumentation Diagrams, from new designs to bringing legacy drawings back in line with the as-built plant. This includes applying consistent standards, tagging and control detail so the P&IDs are reliable for design, safety and operation.

Can BM Process help with P&ID development?

Yes. BM Process develops and updates P&ID drawings as part of its process engineering work, ensuring they follow recognised standards and accurately reflect the process for design, safety studies and operation. To discuss P&ID support, outline your needs at https://bmprocess.nl/.

About BM Process Management

Written and reviewed by the BM Process Management engineering team. BM Process Management is an industrial process engineering consultancy based in the Netherlands, developing and updating P&IDs and supporting design, safety studies and operation for industrial clients across Europe. The answers on this page reflect field experience in process engineering and P&ID development.

Process Safety Studies

HAZOP, HAZID and LOPA: Process Safety Studies Explained

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BM PROCESS · FAQ

HAZOP, HAZID and LOPA: Process Safety Studies Explained

By the BM Process Management engineering team · Reviewed by our process-safety engineers · Last reviewed: September 2026

HAZOP, short for Hazard and Operability study, is a structured, systematic technique for identifying hazards and operability problems in a process. Together with HAZID and LOPA it forms the core of modern process safety studies.

This page explains what HAZOP means and stands for, how a HAZOP study and review process work, how HAZID and LOPA differ and fit in, who is on a HAZOP team, and how these relate to Hazard Analysis and Critical Control Point (HACCP) thinking. BM Process facilitates these studies as part of its process engineering work.

HAZOP, HAZID and LOPA: Frequently Asked Questions

HAZOP basics and meaning

What is HAZOP and what is a HAZOP?

HAZOP, short for Hazard and Operability study, is a structured, systematic technique for identifying hazards and operability problems in a process. A multidisciplinary team examines the design, usually working from P&IDs, and applies guide words to each part of the process to find ways it could deviate from intent and what the consequences would be. It is one of the most widely used process safety methods in the world.

What does HAZOP stand for and what is its full form?

HAZOP stands for Hazard and Operability study. The name reflects its dual purpose: finding both safety hazards and operability issues that could stop the process running as intended.

What does HAZOP mean?

HAZOP means Hazard and Operability study: a facilitated, team-based examination of a process design that works through it section by section to find credible deviations from the design intent and their consequences.

What is the HAZOP methode or method?

The HAZOP method divides the process into nodes and applies standard guide words to each parameter to prompt the team to consider every credible deviation. It is deliberately systematic so that hazards are found by structured questioning rather than left to chance.

How a HAZOP study and review work

How does a HAZOP study work?

A HAZOP team divides the process into sections or nodes and, for each, applies guide words such as no, more, less, reverse and as well as to parameters like flow, pressure and temperature. For every credible deviation the team identifies causes, consequences, existing safeguards and any actions needed. The structured, node-by-node method is what makes HAZOP so thorough.

What is the HAZOP review process?

A HAZOP review is a facilitated, team-based examination of a defined design, worked through node by node. The facilitator leads the team in applying guide words to each node, the team records causes, consequences, existing safeguards and actions for each credible deviation, and those actions are tracked to closure so the review leads to real improvements rather than just a report.

What is a HAZOP analysis?

A HAZOP analysis is the examination and documentation of each credible deviation found during the study: its cause, its consequence, the safeguards already in place and any further action required. The output is an action list that drives design or procedural changes.

Can AI help with HAZOP and LOPA?

AI tools can assist a HAZOP or LOPA by helping organise nodes, capture records and check consistency, but the study itself relies on the judgement of an experienced multidisciplinary team and a trained facilitator. The value of the study comes from human expertise applied systematically, with any tool used only to support that process.

HAZID, LOPA and the HAZOP team

What is a HAZID study?

HAZID, or Hazard Identification study, is a broader, earlier-stage review that identifies hazards across a project or facility, including external and site-wide risks, before the design is detailed enough for a full HAZOP. It casts a wide net early, so major hazards are recognised while there is still freedom to design them out.

What is the difference between HAZID and HAZOP?

HAZID is broad and early: it identifies the range of hazards, including external ones, at a high level, often in concept or early design. HAZOP is detailed and later: it systematically examines a defined design, usually from P&IDs, for deviations and operability issues. HAZID asks what could threaten this project; HAZOP asks how this specific design could go wrong.

What is LOPA and how does it relate to HAZOP?

LOPA, or Layer of Protection Analysis, is a semi-quantitative method used after HAZOP to judge whether the existing safeguards are enough to reduce a specific risk to a tolerable level. It counts and credits the independent protection layers and shows where additional safeguards may be required. HAZOP finds the scenarios; LOPA tests whether they are adequately protected.

Who is in a HAZOP team?

A HAZOP team is deliberately multidisciplinary, typically including process, mechanical, instrumentation and operations expertise, led by an independent, trained facilitator and supported by a scribe. The mix of perspectives is essential: hazards are often found precisely because people from different disciplines see the same design differently.

When should a HAZOP be carried out?

A HAZOP is normally carried out when the design is mature enough to have firm P&IDs, and it is repeated for significant modifications and periodically over a plant’s life. Earlier hazard reviews such as HAZID cover the concept and early design stages, so hazard management is continuous rather than a single event.

HACCP and critical control points

What is Hazard Analysis and Critical Control Point (HACCP)?

HACCP is a systematic method for managing safety by identifying the significant hazards in a process and the critical control points where they must be controlled, then setting limits and monitoring at those points. It is best known in food safety but shares its underlying logic with process hazard studies: find the hazards, find where they must be controlled, and prove they are.

What is a critical control point and what does it mean?

A critical control point is a step in a process where control is essential to prevent, eliminate or reduce a hazard to an acceptable level. Identifying these points, and setting measurable limits and monitoring for each, is central to HACCP and to risk-based safety management generally.

What is a control point in food and what are critical control points?

In food safety a control point is any step where a hazard can be controlled, and critical control points are the steps where control is essential and must be verified. The same hazard-led logic underlies process safety studies in industry.

What are critical limits in HACCP?

Critical limits are the measurable boundaries at each critical control point that separate safe from unsafe conditions, for example a minimum temperature or a maximum time. Monitoring confirms the process stays within these limits, and defined corrective actions apply if a limit is breached.

How does HACCP relate to HAZOP and process hazard studies?

HACCP and HAZOP share the same core logic: systematically identify hazards and make sure each is controlled where it matters. HACCP centres on critical control points and their limits and is the standard in food safety, while HAZOP centres on deviations from design intent and is the standard in process industries. Both are structured, hazard-led methods aimed at controlling risk rather than reacting after the fact.

Can BM Process facilitate HAZOP and process safety studies?

Yes. BM Process supports process safety through structured studies such as HAZOP, HAZID and LOPA, drawing on multidisciplinary process engineering expertise to identify and control risk. To arrange a study or discuss your requirements, get in touch via https://bmprocess.nl/.

About BM Process Management

Written and reviewed by the BM Process Management engineering team. BM Process Management is an industrial process engineering consultancy based in the Netherlands, facilitating HAZOP, HAZID and LOPA and other process safety studies for industrial clients across Europe. The answers on this page reflect field experience in process safety and risk management.

Emission measurement services and industrial emission measurements for compliance and monitoring

CEMS and VOC Monitoring: Continuous Emission Monitoring Explained

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BM PROCESS · FAQ

CEMS and VOC Monitoring: Continuous Emission Monitoring Explained

By the BM Process Management engineering team · Reviewed by our emission monitoring and process engineers · Last reviewed: September 2026

A continuous emission monitoring system (CEMS) continuously measures the concentration of pollutants in a stack or vent, records the data, and reports it for regulatory compliance. Alongside VOC monitoring, it is the evidence layer that proves emissions stay within permitted limits at all times.

This page explains what a CEMS is and what it measures, how CEMS works and how CEMS data is handled, what VOC monitoring, detection and instruments involve, and which industries need continuous monitoring. BM Process specifies and integrates emission monitoring as part of its wider emission control work.

CEMS and VOC Monitoring: Frequently Asked Questions

CEMS basics and meaning

What is a continuous emission monitoring system (CEMS)?

A continuous emission monitoring system, or CEMS, continuously measures the concentration of pollutants in a stack or vent, records the data and reports it for regulatory compliance. It typically monitors gases such as NOx, SO2, CO and O2, and sometimes particulates and VOCs. A CEMS is the evidence layer that proves emissions stay within permitted limits at all times, not just during periodic checks.

What does CEMS stand for and what does CEMS mean?

CEMS stands for Continuous Emission Monitoring System. The key word is continuous: rather than taking occasional spot measurements, it monitors emissions in real time so both operators and regulators have an ongoing record of compliance.

What are CEMS and what is a CEMS system?

A CEMS is the complete system of sampling or optical measurement, gas analysers, and data acquisition and handling that continuously measures and reports stack emissions. People refer to it as a CEMS, a CEMS system or an emissions monitoring system; all describe the same real-time compliance monitoring train.

What does CEMS integration mean?

CEMS integration is connecting the monitoring system into the plant so its analysers, sampling and data handling work with the process control and reporting systems. Good integration means the monitoring points, ranges and reporting match the abatement design and the plant’s permit obligations.

How CEMS works and how the data flows

How does a CEMS work and what is the CEMS work process?

A CEMS extracts or optically probes the gas in a stack, measures the pollutants of interest with analysers, and passes the readings to a data acquisition and handling system that validates, averages and reports them. The design depends on the pollutants, the stack conditions and the reporting rules that apply, so a CEMS is engineered to the specific installation rather than bought as a fixed product.

How does CEMS data work and what is CEMS real-time data?

Raw analyser signals are collected by a data acquisition and handling system that applies calibrations, checks validity, calculates the required averages, and produces compliance and exception reports in real time. Well-managed CEMS data gives operators early warning of drift or exceedances and gives regulators a defensible compliance record. The quality of the data handling matters as much as the analysers themselves.

What is CEMS software?

CEMS software is the data acquisition and handling layer that turns raw analyser signals into validated, averaged, reportable data. It applies calibration factors, checks data validity, calculates the averaging periods the permit requires, records everything for audit, and generates compliance and exception reports.

VOC monitoring, detection and instruments

What is VOC monitoring?

VOC monitoring measures volatile organic compounds in emissions or in the working environment, using instruments such as flame ionisation or photoionisation detectors and other VOC analysers. It is used to control fugitive emissions, verify the performance of abatement equipment such as oxidisers and vapour recovery units, and protect worker safety.

What is the difference between VOC detection and VOC monitoring?

VOC detection generally means identifying the presence of VOCs, often for leak detection or safety alarms. VOC monitoring means measuring their concentration continuously or repeatedly to quantify emissions and prove performance. Detection tells you something is there; monitoring tells you how much, over time, which is what compliance and optimisation need.

What VOC instruments, detectors and analysers are used?

Common VOC instruments include flame ionisation detectors (FID) and photoionisation detectors (PID), along with other gas analysers selected for the compounds present. A VOC detector or VOC detection system is used for leak detection and area safety, while continuous VOC analysers quantify emissions for compliance. The right instrument depends on which VOCs are present and whether the aim is detection or measurement.

What VOC monitoring techniques and equipment are available?

Techniques range from continuous stack monitoring to portable survey instruments for leak detection and area monitoring. VOC monitoring equipment is chosen for the compounds present, the concentrations expected and whether the goal is detection, quantification or continuous compliance monitoring.

What VOC control equipment and technologies are available?

VOC control technologies include vapour recovery units that capture and reuse hydrocarbons, thermal and catalytic oxidisers that destroy VOCs, adsorption systems such as activated carbon, and scrubbers, with monitoring used to verify performance. Control and monitoring are usually specified together so the abatement and the evidence that it works are designed as one.

What is VOC analysis?

VOC analysis is the measurement and interpretation of volatile organic compound concentrations in a gas stream or working area, used to quantify emissions, verify abatement performance and support compliance reporting.

Why it matters, who needs it and technology for clean air

Why is real-time emission and VOC monitoring important?

Real-time monitoring catches problems as they happen rather than at the next manual check, so abatement failures, leaks or process upsets can be corrected before they become a compliance breach or a safety issue. It also provides the continuous data needed to demonstrate compliance and to optimise how abatement equipment is run.

Do chemical, manufacturing and oil industry plants need a CEMS?

Many combustion and process sources at chemical, petrochemical, manufacturing and oil industry sites are required to monitor their emissions continuously under environmental permits and directives. CEMS for the chemical industry and for oil and gas is common, and even where it is not strictly mandated a CEMS provides valuable assurance and data. The exact obligation depends on the source and the applicable regulations.

How does CEMS relate to emission control and abatement, and technology for clean air?

Abatement equipment removes or destroys the pollutant; the CEMS proves it worked. They are two halves of the same compliance strategy and are best specified together, so the monitoring points, ranges and reporting match the abatement design and the plant’s permit obligations from the outset. See how this fits into the wider emission control picture for more.

What CEMS services does BM Process provide?

BM Process supports emission monitoring as part of its wider emission control and process engineering work, helping match monitoring to the pollutants, permit obligations and abatement design of the site. To discuss a continuous emission monitoring system for your plant, get in touch via https://bmprocess.nl/.

About BM Process Management

Written and reviewed by the BM Process Management engineering team. BM Process Management is an industrial process and emission control engineering consultancy based in the Netherlands, specifying and integrating continuous emission monitoring and VOC monitoring for industrial clients across Europe. The answers on this page reflect field experience in emission monitoring and abatement.