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WHIRLER CENTRIFUGALS PVT. LTD.
GST : 24AAACW1729R1ZX

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Commissioning Grid Injection Sewage Sludge Horizontal Agitated Plug Flow (Dry Digestion) Scrubber-Integrated Biogas Plant

Commissioning Grid Injection Sewage Sludge Horizontal Agitated Plug Flow (Dry Digestion) Scrubber-Integrated Biogas Plant Specification

Type
Biogas Plant

Material
SS304

Computerized
Yes

Automatic Grade
Automatic

Control System
PLC Control

Drive Type
Electric

Voltage
440 Volt (v)

Power
250000 Watt (w)

Commissioning Grid Injection Sewage Sludge Horizontal Agitated Plug Flow (Dry Digestion) Scrubber-Integrated Biogas Plant Trade Information

Minimum Order Quantity
1 Number

Delivery Time
4

About Commissioning Grid Injection Sewage Sludge Horizontal Agitated Plug Flow (Dry Digestion) Scrubber-Integrated Biogas Plant

This biogas facility utilizes a high-solids dry anaerobic digestion process to treat municipal sewage sludge (1525% total solids). The core digestion unit operates on **horizontal agitated plug-flow dynamics**, where dewatered cake is continuously conveyed through an elongated reactor by a low-speed, high-torque central longitudinal paddle agitator. This mechanism ensures axial displacement with minimal longitudinal back-mixing, continuously shearing crusts, releasing entrapped gas bubbles, and providing optimal contact between active biomass and raw substrate.

The system is maintained within a strictly regulated **thermophilic regime (5055C)** via internal heating circuits and jacketing, optimizing reaction kinetics, volatile solids reduction, and pathogen destruction while preserving a targeted hydraulic retention time (HRT).

Crude biogas collected from the digester headspace enters an integrated **water/chemical scrubbing unit** that strips carbon dioxide, hydrogen sulfide, and trace siloxanes. The resulting biomethane is upgraded to pipeline specification ($\ge 96\%\ \text{CH}_4$), compressed, and continuously injected into the regional natural gas transmission grid. Energy recovery is closed-loop: parasitic thermal demands for digester heating and pasteurization are recovered using waste heat exchangers, maximizing net biomethane output for grid export during commissioning and commercial operation.

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