[HTML][HTML] On-site sensor calibration procedure for quality assurance of Barometric Process Separation (BaPS) measurements

H Munz, J Ingwersen, T Streck - Sensors, 2023 - mdpi.com
Barometric process separation (BaPS) is an automated laboratory system for the
simultaneous measurement of microbial respiration and gross nitrification rates in soil …

Barometric process separation: new method for quantifying nitrification, denitrification, and nitrous oxide sources in soils

J Ingwersen, K Butterbach‐Bahl… - Soil Science Society …, 1999 - Wiley Online Library
Abstract A method (Barometric Process Separation, BaPS) was developed for the
quantification of gross nitrification rates and denitrification rates in oxic soil using intact soil …

A novel flow-based procedure for automation of respirometric assays in soils

CR Silva, E Oliveira, EAG Zagatto, C Henriquez - Talanta, 2016 - Elsevier
A flow-based strategy involving a gas-diffusion sampling probe was proposed for evaluating
the respiration rate in soils. The amount of CO 2 collected after a pre-defined time interval …

Shortcomings in the commercialized barometric process separation measuring system

J Ingwersen, U Schwarz, CF Stange… - Soil Science Society …, 2008 - Wiley Online Library
In a growing number of studies, the barometric process separation (BaPS) method has been
applied for measuring gross nitrification rates in soil. In 2000, the company …

State indicators of anaerobic digestion: A critical review on process monitoring and diagnosis

D Wu, L Li, Y Peng, P Yang, X Peng, Y Sun… - … and Sustainable Energy …, 2021 - Elsevier
Anaerobic reactors in full-scale biogas plants often encounter process instability; thus, their
operational efficiency and further promotion remain limited. Process monitoring can be used …

Soil respiratory quotient determined via barometric process separation combined with nitrogen‐15 labeling

C Müller, MK Abbasi, C Kammann… - Soil science society …, 2004 - Wiley Online Library
The barometric process separation (BaPS) and 15N dilution techniques were used to
determine gross nitrification rates on the same soil cores from an old grassland soil. The …

Laboratory test system to measure microbial respiration rate

M Van Afferden, AM Hansen… - … of environment and …, 2006 - inderscienceonline.com
This study reports a sensible, accurate and economic method for continuous measuring
microbial respiration. The measuring principle is an open system, with a continuous air-flow …

Sensor systems for bioprocess monitoring

P Biechele, C Busse, D Solle… - Engineering in Life …, 2015 - Wiley Online Library
The ability to measure all process variables is of great importance in the field of bioprocess
monitoring and control, and continuous, real‐time measurements are highly desired. The …

A simple spectrophotometric method based on pH‐indicators for monitoring partial and total alkalinity in anaerobic processes

TG Jantsch, B Mattiasson - Environmental technology, 2003 - Taylor & Francis
Partial alkalinity, as a measure of bicarbonate concentration, and total alkalinity, as a
measure of the concentration of bicarbonate and volatile fatty adds, are useful parameters …

Carbon dioxide titration method for soil respiration measurements

L Martín Rubio - 2017 - theseus.fi
This thesis was commissioned by Tampere University of Applied Sciences, which was
interested in studying and developing a titration measurement method for soil respiration …