Hexas Biomass

Our giant reed is a perennial cultivar that can produce 15 to 25 bone dry tons of biomass per acre annually, or semi-annually, depending on climate and growing location. Hexas’ proprietary propagation system allows us to rapidly propagate plantations of giant reed plants to maximize biomass yield to meet commercial scale production requirements. Our giant reed propagation costs are less than other bioenergy crops, like sugar cane, for example, as our giant reed has low water and fertilizer requirements and does not require pesticide use.

Plant

Species

Harvest

Cycle

Harvest Seasons

Yield - dry tons/acre/yr

Soils Tolerance

Pest Threat

Water acre ft/year

Cold Tolerant

Giant Reed

Perennial

ALL

15 to 25

Marginal

None

1 to 4

Yes

Hemp

Annual

Fall

5 to 10

Well-Drained

Yes

3 to 4

No

Poplar

7-10 Years

Fall/Winter

3 to 6

Marginal

None

2 to 4

Yes

Switch Grass

Annual

Fall

5 to 7

Well-Drained

None

2 to 4

Yes

Eucalyptus

5-10 Years

ALL

6 to 12

Well-Drained

Some

2 to 3

No

Hard Wood

10-25 Years

ALL

4 to 6

Well-Drained

Some

2 to 3

Yes

Miscanthus

Perennial

Fall

7 to 10

Well-Drained

Some

2 to 3

Yes

Bamboo

Perennial

ALL

10 to 30

Marginal

Some

3 to 4

Yes

Willow

5-7 Years

ALL

3 to 5

Marginal

Some

3 to 4

Yes

Napier Grass

Perennial

Fall

6 to 18

Well-Drained

Some

2 to 4

Yes

Hexas uses environmentally conscious farming lifecycle techniques to produce feedstock from our giant reed. Our giant reed sequesters substantial carbon both above and below ground and is a nitrogen fixer. To reduce transportation costs to customers’ facilities and minimize our carbon footprint, Hexas grows its giant reeds near customers’ production facilities. Hexas can grow our giant reed in all soil types, including on high salinity and marginal land.

Hexas’ giant reed cultivar is an US Environmental Protection Agency approved bioenergy crop.The EPA has determined that renewable fuel made from giant reed meets the lifecycle greenhouse gas (GHG) reduction requirements for cellulosic biofuel under the Renewable Fuels Standard Program (RFS).

In energy production applications, our giant reed burns at about 8,000 BTU/pound during direct combustion. When torrefied, our giant reed burns at 10,400 BTU/pound and has significantly higher energy densities than other bioenergy crops such as switchgrass (7,741 BTU/pound), wheat straw (7,978 BTU/pound), and hybrid poplar (8,178 BTU/pound). In biofuel applications, our giant reed produces lower greenhouse gas emissions throughout its economic lifecycle than other EPA approve biomass crops, among other benefits.

Giant reed is composed of 31% cellulose, 35% hemicellulose, and 18% lignin. Giant reed can be used in cellulosic ethanol production with the expectation that it can produce 6,250-20,000 liters/hectare depending on processing methods. Giant reed is a premier carbon credit crop as it sequesters up to 21 tons of carbon per hectare annually.

Hexas is seeking customers and strategic partners who want to use a sustainable alternative to wood in energy production and in engineered and composite materials. Please contact us for more information.

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