Desain for ocean acidification experiment related to radioecology in Indonesia

Y. Priasetyono, H. Suseno, P. Prajitno

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Ocean acidification is one of the phenomena caused by climate change in the world. Most Ocean acidification (OA) experimental is carried out in a laboratory by creating a simple system. In this research, the seawater in tank is given CO2 gas regulated using a needle valve driven by stepper motors using Proportional-Integral-Derivative (PID) controller. This tank is equipped with a stirrer to accelerate the system's homogeneity, flow sensor, and pH sensor. Arduino as a system control is tasked to regulate stepper motors, reading and keeping the pH value according to the set point value while recording the changes of pH value occurring in the tank. This research shows that the system can reach a desired set point and maintain it with 1.7 % overshoot. From the experimental results, OA system has a good response with a final pH value of 7±0.09 that can also be concluded this system is very suitable for long-term research.

Original languageEnglish
Title of host publicationProceedings of the 6th International Symposium on Current Progress in Mathematics and Sciences 2020, ISCPMS 2020
EditorsTribidasari A. Ivandini, David G. Churchill, Youngil Lee, Yatimah Binti Alias, Chris Margules
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735441132
DOIs
Publication statusPublished - 23 Jul 2021
Event6th International Symposium on Current Progress in Mathematics and Sciences 2020, ISCPMS 2020 - Depok, Indonesia
Duration: 27 Oct 202028 Oct 2020

Publication series

NameAIP Conference Proceedings
Volume2374
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference6th International Symposium on Current Progress in Mathematics and Sciences 2020, ISCPMS 2020
Country/TerritoryIndonesia
CityDepok
Period27/10/2028/10/20

Keywords

  • Ocean acidification
  • pH control
  • PID control

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