High-Perfomance Digester

High-Performance Digester (HPD)

The high-performance digester (HPD) demonstrated higher efficiency in the biosolids and sludge treatment, with a residence time of at least 6 days compared to conventional systems with a retention time greater than 20 days. Furthermore, the HPD requires less energy and can treat a higher daily substrate load comparing to traditional processes.

The heart of the reactor consists of glass-lined steel for standard systems or stainless steel for compact designs. The sludge flows from the bottom of the digester to the top, forming a plug flow. The reactor medium mixing occurs in two methods: an impulse pump, which ensures an overall mixing, and the perforated reactor plates, which provide an additional local mixing. An automatic discharge system at the reactor´s bottom allows a continuous operation without periodically emptying the digestion chamber for sediment removal.

Examples
Reference List
Examples
Examples
Reference List

OUR REFERENCES

OUR REFERENCES

Input
Material
Input
[ton/d]
HPD Volume
[m3]
HRT
[d]
Land &
Year
Sewage Sludge
(Schwarting-Umwelt GmbH)
452806 – 7Germany, 2008
Food Waste400350 x 2 x 5 Lines8.5Korea, 2014
Food Waste400850 x 2 x 3 Lines14Korea, 2017
Food Waste2001200 x 2 Lines12China, 2019
Food Waste164852 x 2 Lines10.5China, 2019
Food Waste270852 x 2 x 2 Lines13China, 2020
Coke Making Process (Steel)2,000406Korea, 2022

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