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Table 3 Assessment of available online-measurement equipment for biogas plants

From: Agricultural biogas production in Germany - from practice to microbiology basics

 

Unit

Effort

Maintenance

Robustness

Cost

Benefit

Biogas composition

% (v/v)

+

- -

0

0

++

Biogas rate

m3 · d-1

0

0

++

+

+

pH

 

+

- -

-

-

0

Redox potential

mV

+

- -

-

-

-

TS content

% (m/m)

+

0

++

-

+

VS content

% (m/m)

- -

- -

0

- -

++

Temperature

°C

++

++

++

++

0

SCFA content

mg · L-1

- -

- -

++

- -

++

Buffer capacity

mg · L-1

- -

- -

++

- -

++

  1. Rating: ++ very good; + good; 0 intermediate; - poor; - - very poor; TS, total solids; VS, volatile solids; SCFA, short-chain fatty acids; Modified and translated after [102].