Effect of White Charcoal on COD Reduction in Wastewater Treatment

2nd International Conference on Civil Engineering and Materials Science

Pijarn, Nuchanaporn^1 ; Butsee, Manipa^1 ; Buakul, Kanokwan^1 ; Seng, Hasan^2 ; Sribuarai, Tinnphat^1 ; Phonprasert, Pongtep^1 ; Taneeto, Kla^1 ; Atthameth, Prasertsil^3

Division of Environmental Technology, Faculty of Science and Technology, Bangkokthonburi University, Bangkok

10170, Thailand^1

Pentacle Pollutech Co., Ltd., Bangsrithong, Bangkruai, Nonthaburi

11130, Thailand^2

Faculty of Engineering, Srinakharinwirot University, Nakhon Nayok

26120, Thailand^3

关键词: Adsorption time;    Coconut shells;    Composite sampling;    Experimental section;    Post treatment;    Pre-Treatment;    Suspended solids;    Total dissolved solids;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/216/1/012002/pdf
DOI  :  10.1088/1757-899X/216/1/012002

来源: IOP

【 摘 要 】

The objective of this study is to compare the COD reduction in wastewater between using coconut shell and coconut spathe white charcoal from Khlong Wat NongPra-Ong, Krathumbaen, SamutSakhon province, Thailand. The waste water samples were collected using composite sampling method. The experimental section can be divided into 2 parts. The first part was study the optimum of COD adsorption time using both white charcoals. The second part was study the optimum amount of white charcoal for chemical oxygen demand (COD) reduction. The pre-treatment of wastewater was examined in parameters include temperature, alkalinity (pH), conductivity, turbidity, suspended solid (SS), total dissolved solid (TDS), and COD. The results show that both white charcoals can reduce COD of wastewater. The pH of pre-treatment wastewater had pH 9 but post-treatment wastewaters using both white charcoals have pH 8. The COD of pre-treatment wastewater had COD as 258 mg/L but post-treatment wastewater using coconut shell white charcoal had COD steady at 40 mg/L in 30 min and the amount of white charcoals 4 g. The COD of post-treatment wastewater using coconut spathe white charcoal had COD steady at 71 mg/L in 30 min and the amount of white charcoals 4 g. Therefore comparison of COD reduction between coconut shell white charcoal versus coconut spathe white charcoal found that the coconut shell white charcoal had efficiency for COD reduction better than coconut spathe white charcoal.