An Introduction to Biomethane


Biogas that has been upgraded by removing hydrogen sulphide, carbon dioxide and moisture is known as biomethane. Biomethane is less corrosive than biogas, apart from being more valuable as a vehicle fuel. The typical composition of raw biogas does not meet the minimum CNG fuel specifications. In particular, the COand sulfur content in raw biogas is too high for it to be used as vehicle fuel without additional processing.

Liquified Biomethane

Biomethane can be liquefied, creating a product known as liquefied biomethane (LBM). Biomethane is stored for future use, usually either as liquefied biomethane or compressed biomethane (CBM) or  since its production typically exceeds immediate on-site demand.

Two of the main advantages of LBM are that it can be transported relatively easily and it can be dispensed to either LNG vehicles or CNG vehicles. Liquid biomethane is transported in the same manner as LNG, that is, via insulated tanker trucks designed for transportation of cryogenic liquids.

Compressed Biomethane

Biomethane can be stored as CBM to save space. The gas is stored in steel cylinders such as those typically used for storage of other commercial gases. Storage facilities must be adequately fitted with safety devices such as rupture disks and pressure relief valves.

The cost of compressing gas to high pressures between 2,000 and 5,000 psi is much greater than the cost of compressing gas for medium-pressure storage. Because of these high costs, the biogas is typically upgraded to biomethane prior to compression.

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Aerobic Digestion, Biogas, Biomethabe, W2E.

We do biogas plant construction. Power and waste treatment solutions for any kind of organic waste. Turn it into resources.

Small and compact automated anaerobic digester

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Medium to large automated digester tank farm system, 100 to 2MWH power generation.

http://en.planet-biogas.com/references/

Large to super large lagoon type mixed and automated anaerobic digestion systems, 200 to 22MW power generation.

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Reference Biogas Plant in the Philippines:

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We’ve done over 400+ biogas plant around the world.

We do Build-Operate-Transfer (BOT) for W2E of 500KWe (and above) from waste conversion. We can assess, validate, verify project sustainability and feasibility, design a matched system for your kind and quantity of substrate, and offer a corresponding solid or liquid waste tank or lagoon based biogas or biomethane plant. Email us your interest on this regard. We will send you a preliminary questionnaire that you need to fill up for us to qualify potential benefits.

Jess C. Gregorio

Philippine Sales Manager

PlanET Biogas Global GmbH

Email: j.gregorio@planet-biogas.com

Email: gregoriojess@yahoo.com

Website: http://en.planet-biogas.com/

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