Global Energy Microturbine

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Capstone Turbine C65 Biogas
Capstone Turbine Gas filtering and compression
Gas filtering equipment

Capstone Turbine C65 - 65 kW - 9 Available With ICHP - Biogas

Capstone C65 - 9 units available for immediate delivery.  These are new units, tested and working.  Units are currently stored in a warehouse.  


Capstone ICHP C65s.  The units are model number 65R-BG4-SUOO, all have zero operational hours. All include the CHP heat recovery unit for making hot water from the exit heat. High pressure gas (gas booster and filter available as option).




Model C65 Recuperated

B = Biogas (landfill gas or wastewater treatment gas)

G = Grid connect

4 = 400-480 50 hz or 60 hz selectable

U = US and Canadian UL listings


Runs on landfill gas, digester gas, waterwater treatment gas, or natural gas with retrofit.


The Capstone Microturbine is perfect for Colorado botanical Cannabis grow houses (legally grown).  The microturbine provides electricity (power), heat and CO2 which helps plants grow.  All this from one fuel souce (natural gas or propane). Energy cost savings of 30-80 percent.


Fuel Specifications: 




Landfill/ Digester Gas (Medium Btu) Calorific Value 13.04 to 28.32 MJ/m3 (350 to 760 btu/cu/ft)

Specific Gravity:  0.80 to 1.10

Wobble Index:  12.45 to 31.65 MJ/m3 (334 to 849) btu/cu/ft

Mixture consisting mainly of methane, carbon dioxide, and nitrogen, with trace quantities of higher hydrocarbons, plus hydrogen sulfide (H2S) in quantities >5 ppm V, but <70,000 ppm V.
























When Sold as a System (Description):


Information on Entire Skid Mounted System - 585 kw/hr


Gas handling system is designed to clean, dry, and compress up to 220 scfm of biogas. The gas will be consumed by nine CR65 Capstone Micro Turbine generators. The skid is designed for outdoor operation in a Class I, Division 1 area. The control panel is designed for outdoor operation in an unclassified area, and the glycol chiller is designed for outdoor operation in an unclassified area.


The system is comprised of several parts including: the gas compression skid which pressurizes the gas, removes moisture, and regulates discharge pressure; the siloxane filtration system which removes siloxane compounds; the suction and discharge scrubbers that filter out condensate and media; the chiller which supplies cold glycol for use by the gas compression skid; and, the control system which acts to keep all other parts of the system working in harmony.


The gas conditioning system control panel is equipped with a Programmable Logic Controller (PLC) that receives data from transmitters, thermocouples, and digital inputs. The PLC maintains control of the process gas operating pressure, the running efficiency of the skid and protects the equipment during process interrupts. The control panel includes auxiliary terminals for a remote run command input and a customer fault input. Dry contact outputs are included for skid run status and skid fault status. A display screen is provided to monitor the gas skid and turbine system, and faults status.It also provides an interface to adjusted skid pressure set-points, and turbine controls.


Gas is supplied to the skid through a 4” flange fitting on the skid inlet. Upon entering the skid, biogas first passes through an inlet heat exchanger where the gas is cooled to 70 F using chilled glycol. The glycol is cooled in a remote chiller and piped to the skid. The cold gas now enters the suction scrubber, where a portion of the moisture entrained in the gas is removed. After exiting the suction scrubber, the gas is compressed to approximately 100 psig using a rotary screw compressor. Gas leaves the compressor at about 200 F entrained with oil and flows through an oil separator and coalescing filter where the oil is separated from the gas.


Next, the compressed gas is cooled in a gas/gas Flat Plate heat exchanger. Followed by a gas to chilled glycol heat exchanger. This heat exchanger utilizes the same glycol loop used in the first cooling stage. After chilling, the gas goes through a second stage of condensate removal in a moisture separating vessel. Next, the process gas flows back through the gas/gas heat exchanger where it is reheated to 80oF. This process ensures that the final dew point of the gas is below 45 F, and the final relative humidity is about 23%.


Skid discharge pressure is maintained by a back pressure valve which adjusts to maintain operating pressure set-point by re-circulating some of the discharge gas back to the inlet of the compressor.


Process gas leaves the compression skid, and travels through a series of siloxane filtration vessels, before it is sent to the turbines. The turbine header distributes gas to the turbines through fuel kits. Every fuel kit contains a particulate filter and a pressure regulator which reduces gas pressure to approximately 75 psi. As the turbines consume the biogas, they produce 480V, 3 PH, 60 Hz power.


Capstone Turbine C65 - 9 Units with ICHP