Logistic - About

Digester Applications

Amine is a regenerative, water-based solvent that chemically removes CO2 and H2S from digester gas streams using a contactor. The first cow manure-to-pipeline gas plant of its kin in the United States was designed and built by the Morrows, including the amine plant, compression, pipeline, and interconnect piping. Amine treating results in a high methane recovery efficiency (~99.9%), and operates at a low pressure of 10 psig. Furthermore, using an amine system for digester gas treating can greatly reduce heat costs. Up to 80% of the heat used to regenerate amine can be transferred to heating the digester itself.

Because we have got a good grip on what are some crucial requirements needed for an excessive result, our digesters give outstanding performance, for example, Hydraulic retention time, Ammonia, long-chain fatty acids, volatile fatty acids, organic loading rate, nutrients, alkalinity, and most importantly PH. Furthermore, capsizing of processing and deficiency of the system can be averted by PCS (process control system) and thorough monitoring.
We have advanced digesters to meet our clients demand from farm-based to commercial-scale AD. Also, digesters for both stages of digestion and processes of digestion (Mesophilic and thermophilic) are available. We have:

Digester Treating

Amine is a regenerative, water-based solvent that chemically removes CO2 and H2S from digester gas streams using a contactor. The first cow manure-to-pipeline gas plant of its kind in the United States was designed and built by the Morrows, including the amine plant, compression, pipeline, and interconnect piping. Amine treating results in a high methane recovery efficiency (~99.9%), and operates at a low pressure of 10 psig. Furthermore, using an amine system for digester gas treating can greatly reduce heat costs. Up to 80% of the heat used to regenerate amine can be transferred to heating the digester itself.

Nitrogen Rejection

Morrow Energy offers two services to control Nitrogen in landfill applications, field consulting and nitrogen rejection equipment. Morrow’s unique field experience has led to easy-to-follow procedures that can reduce Nitrogen coming out of the wellfield, reduce odor complaints, and increase the gathering efficiency to net more methane that can be sold. When control of the wellfield is impossible or impractical, Morrow also builds cryogenic Nitrogen Rejection Units. Utilizing the principle of separation by boiling point, these NRUs operate at a 99.9% methane efficiency. When paired with a Morrow CO2 treating plant, the total methane efficiency can be above 96%

H2S Treating

Morrow offers several different options for H2S treating. We build vessel packages designed for any non-regenerable solid media scavengers with lead/lag configurations for maximum efficiency and zero downtime for changeouts. We design skids for non-regenerable liquid media scavengers for easy operation, minimal pressure drop, and low-cost changeouts. For higher concentrations of H2S or higher flow rates, Morrow offers a regenerable liquid treating package with minimal ongoing operating costs.

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