Assessment of Water Quality and Power Consumption in Small Size Reverse Osmosis Water Treatment Units

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Khan Md. Rabbani Rasha
Khan Md. Rabbani Rasha
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Quazi Hamidul Bari
Quazi Hamidul Bari
α Khulna University of Engineering and Technology

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Assessment of Water Quality and Power Consumption in Small Size Reverse Osmosis Water Treatment Units

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Abstract

This study is based on comparative study of different water quality parameters such as pH, turbidity, electrical conductivity (EC), chloride, total solids (TS), total dissolved solids (TDS), hardness, color, dissolved oxygen (DO), total coliform (TC), fecal coliform (FC) and total chlorine for both raw water and reverse osmosis treated water from four different locations. Most of the water quality parameters tested for raw water was above the permissible limit according to World Health Organization (WHO) with the exception of turbidity and total chlorine. All the contaminants had a removal efficiency more than 90% except hardness (57.71%) and turbidity (22.50%) for treated water. The water quality index (WQI) shows that raw water from all four locations belongs to the poor water category and treated water belongs to the excellent water category. The highest monthly cost for the electricity being monitored is 38.1 Tk. ($0.45). The maximum water production was noticed for the month of october at 1021 liters and the per cubic meter water production cost for RO water treatment system was at 27 Tk. ($0.32).

References

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

khan_md_rabbani_rasha. 2021. \u201cAssessment of Water Quality and Power Consumption in Small Size Reverse Osmosis Water Treatment Units\u201d. Global Journal of Research in Engineering - C: Chemical Engineering GJRE-C Volume 21 (GJRE Volume 21 Issue C1): .

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords
Classification
GJRE-C Classification: FOR Code: 090499
Version of record

v1.2

Issue date

February 23, 2021

Language
en
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Published Article

This study is based on comparative study of different water quality parameters such as pH, turbidity, electrical conductivity (EC), chloride, total solids (TS), total dissolved solids (TDS), hardness, color, dissolved oxygen (DO), total coliform (TC), fecal coliform (FC) and total chlorine for both raw water and reverse osmosis treated water from four different locations. Most of the water quality parameters tested for raw water was above the permissible limit according to World Health Organization (WHO) with the exception of turbidity and total chlorine. All the contaminants had a removal efficiency more than 90% except hardness (57.71%) and turbidity (22.50%) for treated water. The water quality index (WQI) shows that raw water from all four locations belongs to the poor water category and treated water belongs to the excellent water category. The highest monthly cost for the electricity being monitored is 38.1 Tk. ($0.45). The maximum water production was noticed for the month of october at 1021 liters and the per cubic meter water production cost for RO water treatment system was at 27 Tk. ($0.32).

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Assessment of Water Quality and Power Consumption in Small Size Reverse Osmosis Water Treatment Units

Khan Md. Rabbani Rasha
Khan Md. Rabbani Rasha
Quazi Hamidul Bari
Quazi Hamidul Bari

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