Single-step purification of raw biogas to biomethane quality by hollow fiber membranes without any pretreatment - An innovation in biogas upgrading

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F18%3A39912513" target="_blank" >RIV/00216275:25310/18:39912513 - isvavai.cz</a>

Alternative codes found

RIV/60461373:22340/18:43915795

Result on the web

<a href="http://dx.doi.org/10.1016/j.seppur.2018.04.024" target="_blank" >http://dx.doi.org/10.1016/j.seppur.2018.04.024</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.seppur.2018.04.024" target="_blank" >10.1016/j.seppur.2018.04.024</a>

Result language

angličtina

Original language name

Single-step purification of raw biogas to biomethane quality by hollow fiber membranes without any pretreatment - An innovation in biogas upgrading

Original language description

Herein, a radical innovation in biogas production is presented using a single-step membrane purification technology without any necessary pretreatment steps for contaminant removal and with the usage of low feed pressure. Asymmetric hollow fiber membranes with a thin, selective, non-porous layer made from polyester carbonate on the bore side were successfully used in a single-step raw biogas upgrading process at biogas plant Cholovice in the Czech Republic. A double-stage arrangement operated at 17 degrees C exhibited the best CO2/CH4 separation factor (beta similar to 23) with 96 vol% CH4 purity. This single-step biogas upgrading technology with highly H2S and water-resistant membrane modules allows reductions in capital expenditures of similar to 20% and in operational expenditures of 50% compared to high-pressure water scrubbing (HPWS) and similar to 70% compared to pressure swing adsorption (PSA). Due to the small energy consumption required merely for biogas compression, our units consumed around only similar to 2 MJ/Nm(3) CH4. Thus, our approach with significantly improved performance and robustness of the membrane separation process can be seen as a major breakthrough of membrane gas separation for inexpensive biogas production.

Czech name

—

Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

20401 - Chemical engineering (plants, products)

Project

—

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2018

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Separation and Purification Technology

ISSN

1383-5866

e-ISSN

—

Volume of the periodical

203

Issue of the periodical within the volume

September

Country of publishing house

NL - THE KINGDOM OF THE NETHERLANDS

Number of pages

5

Pages from-to

36-40

UT code for WoS article

000436051500005

EID of the result in the Scopus database

2-s2.0-85045026937