Flow Chart of Water Treatment Plant

Water Treatment Plant: 

The water treatment plant is a vital part of the dyeing section where the supply water of the dyeing floor is treated and cured for proper dyeing. The water available from different water sources cannot be used directly in boilers. The supply water contains various soluble effluents like dissolved solids, metal compounds, and other impurities which can lead to any sort of fabric fault during dyeing the knitted fabrics. The flow chart of the water treatment plant is as follows:

Flow Chart of Water Treatment Plant
Water treatment plant

Flow chart of the water treatment plant

Deep pump water supply

Raw water Tank

WTP Pump

Air Receiver Tank

Vessel

Iron Remover Tank

Multi-grade Filter

Activated Carbon Filter

Softener Tank or Filter

Soft water reserve Tank

Booster Pump

Dye House

The necessity of water treatment:

Textile industries consume a large number of chemicals and water for garment manufacturing. After being the product is manufactured, untreated effluent from the textile industries is directly discharged into water streams. These effluents are highly colored. It contains a variety of toxic contaminants like suspended solids, dyes, acids, bases, salts, surfactants, chlorinated compounds, oxidizing, reducing agents, etc. In the wet processing industry, the dye is considered to be the most troublesome component in textile wastewater treatment because of its complex chemical structure. Chemical additives in the textile effluent consist of a high concentration of organic and inorganic compounds.

The textile industry is one of the largest industrial segments worldwide. But it is also responsible for environmental water pollution. Therefore, based on environmental safety, sustainable effluent treatment methodologies are mostly expected. Unfortunately, no particular treatment methodology is appropriate for textile effluents. Consequently, a combination of different treatment methods is the best solution for textile effluent. This combination treatment process should consist of physical, chemical, and biological methods that will effectively treat wastewater based on the pollution load. Therefore, suitable treatment methodologies (combined treatment plants) can be used and made fit for recycling, and the reuse of treated effluent from the textile industry.

Author of this Article:
Rana Sohel 
Executive Engineer 
Sunman Textile Mills Ltd. Chittagong 
Cell: +8801912-420118 
Email: rsohel07tex@gmail.com

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