Assess the performance of chemical coagulation process for microplastics removal from stormwater

2021 ◽  
Vol 155 ◽  
pp. 11-16
Author(s):  
Sirajum Monira ◽  
Muhammed A. Bhuiyan ◽  
Nawshad Haque ◽  
Biplob Kumar Pramanik
Keyword(s):  
Chemical Coagulation ◽  
Coagulation Process

scholarly journals Research on The Removal of Scale Ions from Circulating Cooling Wastewater by Chemical Coagulation Process

2018 ◽  
Vol 38 ◽  
pp. 02004
Author(s):  
Song Du ◽  
Wenbiao Jin ◽  
Feng Duan
Keyword(s):  
Wastewater Treatment ◽  
Removal Efficiency ◽  
Removal Mechanism ◽  
Chemical Coagulation ◽  
Coagulation Process

In this paper, the circulating cooling wastewater was treated by chemical coagulation process through adding NaOH/Na2CO3.The effect of NaOH and Na2CO3 dose on removal of scale ions, such as Ca2+, Mg2+, Ba2+, Sr2+, SiO2, was studied and the removal mechanism was discussed. The results showed that the increase of NaOH dose was beneficial to the removal of above-mentioned scale ions. When NaOH was only added, the removal efficiency of Ca2+, Mg2+, Ba2+, Sr2+, SiO2 was 86.3%, 91.6%, 86.5%, 58.1%, 84.2%, respectively. When 680 mg/L of NaOH and 300 mg/L of Na2CO3 were added, and the effluent pH was above 11.2, the removal efficiency of Ca2+, Mg2+ was 95.8% and 89.4%, respectively, and the concentration of Ca2+and Mg2+ was below 20 mg/L, which met the target of wastewater treatment. Finally the possible removal mechanism of Ca2+, Mg2+, Ba2+, Sr2+and SiO2 was discussed.

Chemical coagulation process for the removal of heavy metals from water: a review

2014 ◽  
Vol 57 (4) ◽  
pp. 1733-1748 ◽  
Author(s):  
Xiaomin Tang ◽  
Huaili Zheng ◽  
Houkai Teng ◽  
Yongjun Sun ◽  
Jinsong Guo ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Chemical Coagulation ◽  
Coagulation Process ◽  
Removal Of Heavy Metals

scholarly journals Performance evaluation of chemical coagulation process to treat bagasse wastewater: modeling and optimization

2016 ◽  
Vol 18 (1) ◽  
pp. 99-104 ◽  
Author(s):  
K. Thirugnanasambandham ◽  
V. Sivakumar ◽  
K. Shine
Keyword(s):  
Ferric Chloride ◽  
Treatment Process ◽  
Operating Cost ◽  
Settling Time ◽  
Turbidity Removal ◽  
Chemical Coagulation ◽  
Pareto Analysis ◽  
Coagulation Process ◽  
Order Polynomial ◽  
Agitation Time

Abstract In this present study, chemical coagulation process (CC) treatment process was investigated under different conditions such as pH, ferric chloride dose, agitation time and settling time to treat bagasse wastewater using response surface methodology (RSM). The outcomes were evaluated using Pareto analysis of variance (ANOVA) and second order polynomial models were created with the aim of being able to predict the responses. Ideal conditions were observed to be as per the following: agitation time of 25 min, pH of 7, ferric chloride dose of 6 g/L and settling time of 60 min. Under these conditions, turbidity removal of 62%, COD removal of 67%, TDS removal 53% and sludge production of 32 mL/L were obtained with operating cost of 3.50 Rupee/L. The mechanism of CC was analyzed using XRD spectrum and founds to be adsorption.

Sign in / Sign up

Export Citation Format

Share Document