Bio-methanol production

A system for producing bio-methanol, comprising:

• an anaerobic digester unit for producing biogas comprising methane and carbon dioxide;
• a partial oxidation unit for receiving the biogas and configured to produce syngas;
• a synthesis unit for receiving the syngas and hydrogen, and configured to produce bio-methanol;
• a water electrolysis unit to produce oxygen and hydrogen;
• a power control assembly configured to:
• supply power from a battery to the water electrolysis unit, during critical electricity demand of an external electrical system over an upper threshold, and
• supply power from a second power source to the water electrolysis and not from the battery, during electricity demand of an external electrical system below a lower threshold;
• a hydrogen supply and storage assembly configured to supply at least a portion of the electrolysis hydrogen as at least part of the hydrogen used in the synthesis unit;
• and
• an oxygen supply and storage assembly configured to supply at least a portion of the electrolysis oxygen as at least part of the oxygen used in the partial oxidation unit.

A method for producing bio-methanol, comprising:

• supplying biomass to an anaerobic digester for producing biogas comprising methane and carbon dioxide;
• supplying biogas and oxygen to a partial oxidation unit to produce syngas;
• supplying syngas and hydrogen to a synthesis unit and thereby producing the bio-methanol;
• supplying water to a water electrolysis unit to produce electrolysis oxygen and electrolysis hydrogen;
• supplying at least a portion of the electrolysis hydrogen as at least part of the hydrogen used in the synthesis unit;
• supplying at least a portion of the electrolysis oxygen as at least part of the oxygen used in the partial oxidation unit;
• and
• integrating bio-methanol storage, electricity generation and electrolysis, comprising:
• storing an inventory of bio-methanol, and
• controlling electricity input into the water electrolysis unit, comprising:
• monitoring electricity demand of an external electrical system, and
• based on the monitored electricity demand of the external electrical system, periodically:
• combusting a portion of the bio-methanol retrieved from the inventory to provide bio-methanol-generated electricity,
• utilizing the bio-methanol-generated electricity in the water electrolysis unit, and
• powering the water electrolysis unit in part using electricity obtained from a pre-charged battery.