Thermophilic digestion with DIGESTMIX

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Maximizing biogas production in a easy-to-operate, robust way

Page last modified
April 11 2024

Colsen’s thermophilic anaerobic sludge digestion (TAD) is a treatment technology for organic wastes such as municipal sewage sludge, manure, agricultural waste or food waste which guarantees to provide Class A Biosolids while increasing waste reduction and biogas production considerably in comparison with conventional mesophilic digestion.

Colsen's TAD doens't require for complex and expensive pre- nor post-treatment steps. To be able to guarantee such a high sludge reduction efficiency, TAD is designed with Colsen's proprietary digester mixing and heating system, DIGESTMIX. DIGESTMIX assures optimized mixing and heating which is needed to sustain thermophilic digestion at an optimal performance.

Pros & Limitations
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Maximized energy recovery from waste
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Class A biosolids production when required
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zero downtime of biogas production facility by easy-to-maintain DIGESTMIX
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Easy to operate system
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Retrofit of existing digesters possible
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Minimal amount of organic waste necessary to have feasible business model
Specification
Specification Title Specification Description
Easy to operate
By the use of DIGESTMIX no moving parts are present in the digester. This leads to zero downtime of biogas production
Low energy consumption while maximizing energy production
TAD with DIGESTMIX requires less equipment than conventional mesophilic digestion while maximizing biogas production
Class A biosolids production
Due to TAD design, biosolids leaving the system comply with Biosolids Class A according to US EPA Rule 503
Low energy consumption
7.5kW installed power per DIGESTMIX
High quality material and ATEX
SS316L for parts in contact with biogas

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Technology Readiness Level

The Technology Readiness Level (TRL) indicates the maturity level of novel technologies. Learn more about the TRL scale used by us.

[9/9]

Development Technology demonstration Mature / Proven
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Colsen represents an innovative company with technological solutions in wastewater treatment, biogas technologies and nutrient recovery. We have a track record of more than 30 years successful problem solving and delivery of sustainable technologies in these fields for a wide variety of industries, water boards and municipalities, both national and international.

In collaboration with a variety of universities we have developed own water treatment, digestion and nutrient recovery technologies, among which anammox nitrogen removal,  thermophilic digestion, biogas desulphurization, and many more.

With offices in the Netherlands, Italy, Spain and South Africa and a global partner network, we can provide local support, driven by our desire to find solutions. Short lines of communication, flexibility and innovation come first in all the branches of this family business. By working with technology experts, designers and project teams, we provide our customers with sustainable, tailor-made solutions, working on today’s practice and tomorrow’s innovation.

As a family based company, we believe in transparent, open and fair communication. Hence your business will benefit from the ecological and economic added value of our knowledge. We are there to listen to and serve you from our very first contact

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