Services

Sectors: Industrial, commercial, and residential :

• Feasibility study for energy savings

• Energy efficiency planning

• Modeling & simulation

• Substantial reduction in energy bills

• Implementation

• Performance evaluation & monitoring

• Carbon accounting & targeting

🔷 1. Review of Process & Technology Evaluation

• Compare and select:

  • Anaerobic digestion microflora cultures for hydrolysis, acidogenesis, acetogenesis and methanogenesis

  • Anaerobic digestion technology (CSTR, plug flow, dry digestion)

  • Gas upgrading technology (PSA, water scrubbing, membrane)

• Conduct techno-economic and energy comparison

• Select technologies with:

  • Lower energy load

  • Higher methane recovery efficiency

🔷 2. Review of Process Flow Diagrams (PFDs)

• Identify:

  • Major energy consumers (compressors, pumps, agitators)

  • Heat sources and sinks

• Check integration of energy streams into process representation

🔷 3. Heat & Mass Balance (HMB) with Energy Integration

• Perform detailed mass balance:

  • Feedstock → biogas → upgraded CBG → digestate

• Perform energy balance:

  • Electrical loads

  • Thermal loads (digester heating)

• Identify:

  • Waste heat recovery opportunities

  • Minimum external energy requirement

🔷 4. Review of Equipment Sizing with Energy Optimization

• Size major equipment considering energy efficiency, not just capacity:

  • Digesters (optimal HRT vs heating load)

  • Agitators (power vs mixing effectiveness)

  • Pumps (head vs efficiency)

  • Compressors (multi-stage optimization)

• Select:

  • High-efficiency motors (IE3/IE4)

  • Energy-efficient compressors

🔷 5. Review of Biogas Upgrading System Design with focus on

• Optimization of upgrading system for:

  • Methane recovery (%)

  • Specific power consumption (kWh/Nm³)

• Minimizing:

  • Methane slip

  • Pressure losses

• Integration of pre-treatment systems (H₂S removal, drying) efficiently

🔷 6. Heat Integration & Thermal System Design

• Design digester heating system:

  • Hot water loops / heat exchangers

• Recover heat from:

  • Compressor aftercoolers

  • Engine exhaust (if CHP present)

• Apply pinch analysis concepts (where applicable)

• Minimize external fuel requirement

🔷 7. Utility System Design Optimization

• Optimize utilities for minimum energy consumption:

  • Electrical distribution system

  • Air systems (if any)

  • Water pumping systems

• Design centralized vs decentralized utilities based on efficiency

🔷 8. Piping & Layout Engineering (Energy Perspective)

• Optimize piping layout to:

  • Reduce pressure drops

  • Minimize pumping/compression energy

• Proper sizing of pipelines (avoid over/under sizing)

• Reduce unnecessary bends, fittings, and long routing

🔷 9. Instrumentation & Control Philosophy

• Define energy-efficient control strategies:

  • VFD-based control for pumps, blowers, agitators

  • Automated load control based on demand

• Ensure proper instrumentation for:

  • Energy monitoring (kWh meters, flow meters)

  • Gas composition analysis

🔷 10. Electrical System Design Inputs

• Provide inputs for:

  • Load list (connected & operating load)

  • Maximum demand estimation

• Optimize:

  • Transformer sizing

  • Power factor correction systems

• Minimize electrical losses

🔷 11. Energy Audit Integration in Design

• Incorporate “design for auditability”:

  • Metering points at key energy consumers

  • Segregation of loads

• Enable future energy performance tracking and benchmarking

🔷 12. Safety & Hazard Analysis (Energy Linked)

• Participate in:

  • HAZOP / HAZID studies

• Ensure:

  • Safe handling of compressed gas

  • Protection against overpressure and leaks

• Design energy systems with fail-safe mechanisms

🔷 13. Environmental & Sustainability Design

• Minimize:

  • Fugitive methane emissions

  • Energy-related carbon footprint

• Optimize:

  • Digestate handling (low energy drying/separation)

• Enhance carbon credit potential

🔷 14. Detailed Engineering Deliverables Review

• Review and validate:

  • P&IDs (energy efficiency aspects)

  • Equipment datasheets (efficiency specs)

  • Vendor drawings (performance guarantees)

• Ensure all specifications include:

  • Energy performance criteria

🔷 15. Cost Optimization & Life Cycle Analysis

• Evaluate:

  • CAPEX vs OPEX trade-offs

• Recommend:

  • Slightly higher CAPEX for long-term energy savings

• Perform Life Cycle Cost (LCC) analysis

🔷 16. Vendor Evaluation & Technical Bid Analysis

• Assess vendor proposals based on:

  • Energy consumption guarantees

  • Efficiency curves

• Compare specific energy consumption across vendors

• Ensure performance guarantees in contracts

🔷 17. Commissioning Planning Inputs

• Plan for post-commissioning energy audit

🔷 18. Documentation & Reporting

• Prepare:

  • Energy balance reports

  • Design energy consumption estimates

• Define benchmark KPIs:

  • kWh/Nm³ CBG

  • Heat requirement per ton feedstock

✅ In Summary:

During the design and detailed engineering phase, we ensures the plant is:

• Energy-efficient by design

• Optimally sized and integrated

• Audit-ready and performance-trackable

• Cost-effective over its lifecycle