240
ทน.3910
???????????????????????????????????????? ???????? ???????????? ???????????????????????????????????? ???????????????????????? ???????????????????????????????????????????? ???????????????????????? ???????????????????????????????????? ???????????????????????? (????????????????)
???? Control the activated sludge process to ensure that there is a sufficient quantity of active biomass.
???? The ratio of MLVSS/MLSS is used to evaluate the activity of sludge.
For more information: ???? 02-981-9088, 093-584-8011
www.ecoscientific.co.th
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