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This study has investigated the effect of different organic loads on humus soil SBR (H-SBR) process. The results from experiments indicated that there was little removal efficiency variation on SS, BOD and TP between low-load humus soil SBR (LH-SBR) process and high-load humus soil SBR (HH-SBR) process. The average removal efficiencies of SS, BOD and TP were about 97%, 97% and 91%, respectively. The...
A laboratory-scale sequencing batch reactor combined with humus soil (HS-SBR) and a sequencing batch reactor (SBR) fed with domestic wastewater were operated to examine the effect of varying sludge retention time (SRT) on the nutrient removal. With 10 days SRT. During acclimatize phase, TP removal efficiency for HS-SBR enhanced and shortened period of time to reaching the steady-state condition. It...
This study has investigated the effect of humus soil activated sludge on the nitrogen and phosphorus removal. The results from experiments indicate that humus soil SBR (HS-SBR) process did not have a better effect on the COD removal compared it with SBR process. They had about 89% removal efficiency on average. HS-SBR process could enhance the removal of nutrient salt, especially TP. The removal efficiency...
Humus soil activated sludge (HSAS) process and conventional activated sludge (CAS) process of 400 L/day capacity were set up in lab to evaluate their performance. This study mainly focused on testing Nitrogen and phosphorus removal efficiency and settleability and dewaterability of sludge. The research shows that HSAS process could enhance the removal of nutrient salt, especially TP. It enhanced NH...
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