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Chemical Process Engineering Consultancy

Process Troubleshooting & Optimisation

Independent process engineering for large-scale chemical plants: plant troubleshooting, energy optimisation, debottlenecking, process safety and design review. Backed by 18+ years of industrial experience in licensed petrochemical technology.

Core Credentials

  • 18+ years lead process engineering experience
  • Licensed petrochemical technology: troubleshooting, revamp and large-scale plant design
  • Process Integration expertise (University of Manchester)
  • English & Mandarin — no translation layer when working with Asian or European project teams.
  • Independent UK B2B limited company

Experience behind the practice

Delivery on live plant assets

Improvement packages delivered for large-scale PTA units

Verified capital and variable-cost savings on live plant assets

Projects delivered ahead of schedule and under budgeted hours

Described at capability level; specific figures are confidential.

Donghui Zheng · Managing Director & Lead Process Engineer

Hands-on technical leadership, delivered independently

Lead Process Engineer with 18+ years in licensed petrochemical technology, including technology development, large-scale plant design, revamp and troubleshooting. Background in Process Integration research at the University of Manchester, and Master's and Bachelor's degrees in Chemical Engineering from Tsinghua University.

English & Mandarin — no translation layer when working with Asian or European project teams.

Flexible Engagement Models

Structures that fit your scope

Genuine B2B Contracts

Independent UK B2B limited company; engagements structured as genuine business-to-business contracts.

Project-Based Studies

Deliverables-based scoping with defined milestones for investigations, optimisation studies, reviews and safety audits.

Technical Advisory & Retainer

Hourly or day-rate consulting, HAZOP facilitation and design review on demand.

Discuss Your Process Challenge

To discuss a plant problem, scope an optimisation or safety study, review technical documentation, or engage for technical advisory services, contact us directly via email or book an initial consultation.