Biogas, a renewable energy source produced from industrial, agricultural, and municipal waste, is gaining increasing global attention. A growing number of anaerobic digestion systems and landfills are being built or planned to produce biogas from wastes such as sugarcane bagasse, alcohol vinasse, palm oil mill effluent, food waste, livestock manure, and wastewater sludge for heat and power generation.To optimize biogas production, prevent potential hazards, and ensure the reliable operation of power and heat engines, it is essential to monitor gas composition in real time throughout the process. From production and treatment to end-use applications, every stage of the biogas value chain relies on accurate gas analysis. With over 20 years of experience in biogas analysis, Cubic Instruments has developed a comprehensive range of biogas analysis instruments, capable of measuring CH4, CO2, H2S, CO, H2, and O2 at various stages of the biogas process.
For quick biogas quality checks across landfill wells, multiple digesters, or biogas-related research, a portable biogas analyzer is indispensable, offering flexibility and convenience for field use.Gasboard-3200PLUS, using PCT-approved NDIR and ECD technologies, delivers accurate and fast measurements of CH4, CO2, H2S, O2, CO, or H2 in both raw and purified biogas. Gasboard-3200L integrates TDLAS, NDIR, and ECD technologies to accurately measure CH4, H2S, CO2, and O2 in biomethane, along with automatic calorific value calculation.
For system integrators and laboratory researchers, Cubic Instruments offers stationary biogas analyzers for measuring CH4, CO2, H2S, and O2, utilizing different technologies in standard 3U or 4U enclosures. Among them, Gasboard-3200UV can measure up to 2.5% H2S in raw biogas with a long lifespan, while LRGA-3100 can measure biogas and natural gas before blending.
Different biogas sampling points, such as raw biogas from landfills, Treated gas after desulfurization, or upgraded biomethane before Injection into the natural gas grid, may require different gas measurement ranges, gas sampling methods, and conditioning configurations. Based on advanced technologies such as NDIR, UV-DOAS, Laser Raman, and ECD, Cubic Instruments provides tailor-made continuous monitoring systems equipped with pumps, filters, coolers, and control systems housed in explosion-proof enclosures or cabinets, for unattended continuous monitoring of CH4, H2S, CO2, and O2 from various sampling points.
Biogas flow meter plays a vital role in biogas production and utilization. Biogas plant operators monitor and control the efficiency of digesters or fermenters by tracking fluctuations in the biogas flow rate. When biogas is used for power or heat generation, knowing the flow rate is essential for optimizing combustion efficiency. Commercial and residential users also require flow meters for custody transfer and cost accounting. Cubic Instruments ultrasonic biogas flow meters BF-3000, BF-3000B, and BF-2000 provide reliable solutions for these needs.
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