Phase 1 & Phase 2 Pasteurization Channel

Precisely engineered composting and pasteurization infrastructure for consistent substrate preparation — the foundation of a high-yield mushroom farm.

Mushroom Production Plants

Phase 1 & Phase 2 Pasteurization Channel

SHAKTI INDUSTRIES | Concept to Commissioning

Phase 1 & Phase 2 Pasteurization Channels

SHAKTI INDUSTRIES designs and manufactures Phase 1 and Phase 2 Pasteurization Channels for the preparation of mushroom growing substrate. These are the most critical infrastructure components in commercial white button mushroom production.

Our tunnels are engineered for precise temperature control, forced-air circulation, and steam injection — delivering consistent compost quality and pathogen-free substrate that maximizes mushroom yield and quality.

Applications: Phase 1 outdoor or indoor bunker composting, Phase 2 peak-heat pasteurization tunnels, Phase 3 conditioning tunnels, and spawn-running rooms.

Phase 1 & Phase 2 Process

The two-phase composting process is the foundation of high-yield mushroom cultivation. Our channels are designed to support both phases with precision.

Phase 1: Outdoor bunker with forced-air aeration floor
Phase 1: Temperature monitoring & turning schedule
Phase 2: Indoor tunnel with steam injection
Phase 2: Peak-heat at 58–62°C for pasteurization
Phase 2: Conditioning at 45–48°C for spawning
Air recirculation & fresh air control system

Why Choose SHAKTI Pasteurization Channels?

Consistent peak-heat across entire tunnel
Aeration floor for uniform air distribution
PUF insulated tunnel walls & roof
Steam injection with temperature control
PLC control for all phases & setpoints
Turnkey design, supply & commissioning

Properly designed pasteurization channels eliminate Trichoderma and other contaminants while developing the selective substrate that exclusively supports Agaricus bisporus (button mushroom) growth.

Technical Specifications

Tunnel Capacity50 MT – 500 MT per tunnel
Tunnel Width3 m – 6 m
Tunnel Length10 m – 50 m
Phase 2 Peak Temp58°C – 62°C
Conditioning Temp45°C – 48°C
InsulationPUF panels 120mm–150mm
Aeration FloorSlotted / perforated concrete or GI
Fan TypeAxial fan with VFD
Steam SystemSteam injection with PRV & control
Control SystemPLC with temperature data logging

Process Control Parameters

Measuring Functions
  • Compost Core Temperature
  • Air Temperature (supply & exhaust)
  • CO2 Concentration
  • Moisture Content
  • Ammonia Level
Controlling Functions
  • Peak-Heat Temperature Setpoint
  • Conditioning Setpoint
  • Steam Injection Schedule
  • Fan Speed (VFD)
  • Fresh Air / Recirculation Ratio

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