Open AccessEffect of Cycling Time Strategy on The Treatment of Industrial Latex Wastewater with Granular Sludge
Author(s) -
N. A. Rashid,
A. L. Abdul Rani,
Mohd Firdaus Omar,
M. A. H. Abdullah
Publication year - 2020
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/864/1/012173
Subject(s) - cycling , granulation , chemical oxygen demand , sequencing batch reactor , wastewater , pulp and paper industry , industrial wastewater treatment , sewage treatment , waste management , chemistry , environmental science , environmental engineering , materials science , composite material , engineering , archaeology , history
Effects of cycling time on the performance of granular sludge in sequencing batch reactors (SBR) were evaluated. Two reactors, reactor 1 (R1) and reactor 2 (R2) was introduced to industrial wastewater with varying chemical oxygen demand (COD) loadings from as low as 0.01 to 0.28 kgCOD/m3/d. However granules in R1 utilizes cycling time of 24 hours whilst R2 utilizes cycling time of 4 hours. The overall performance for both reactors were excellent, where COD removal efficiency was kept at about 78 % to 98 % removal. Although higher COD removal was observed for both reactors, granulation did not occur in R1 when applying cycling time of 24 hours. In contrast to R2, decrement of cycling time to 4 hours promotes the growth of dense and structured sludge granules.