Effluent Treatment Plant

To save environment, Effluent Treatment Plant used in Textile Industry. Different Section of Textile Manufacturing unit passes huge pollutants water which is very harmful for the nature and environments and these pollutants are also harmful for human health. For Textile Industry the Effluent Transfer Plant is also essential part. There are some processing procedures to purify the water from the begging.

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Enzymatic Desizing

Enzymes are specific bio-catalysts of organic origin which are produced by living organisms in living cells and accelerate chemical reactive. The molecular weight height but different from chemical enzymes. The action of enzymes controlled by the temperature, time and pH of the solution. Most enzymes have no action at temperature above 75ºC.

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Static Electricity

Due to friction between two surfaces, a charge is created there is called Static Electricity. These charges can not move from the place to another place. But between the two surfaces the charges can exchanged with one another. Static Electricity is also known as Frictional Electricity.

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Marker Efficiency

Marker efficiency is a very important term in case of garments production. Marker efficiency is directly related to fabric cutting and how much fabric may wastage during fabric. The marker planner measures his success by the efficiency can be defined as follows:

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Effect of Needle Size

Effect of needle size can be described into two ways. These are:

1. If the needle finer than thread.
2. If the needle coarser than thread.

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Effect of Pilling

Pilling rarely affects the actual durability of a fabric but it affects adversely in processing as well as to physical properties of the fabric like appearance, handles etc which are shortly described as below:

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Effluent Treatment Plant (ETP)

A short note on ETP: 

To save the environment of Textile industry by using Effluent Treatment Plant (ETP). From different section of Textile manufacturing unit, a lot of water comes which are really very harmful and dangerous for the nature and environment. Effluent Treatment Plant is very essential part of Textile industry. There are some basic steps of Effluent Treatment Plant. The steps are:

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Enzyme Wash

Enzyme Wash is usually done on the garments made of heavy fabric like denim. For Enzyme Wash we must use cellulase enzyme. The cellulase enzyme hydrolyses the

projecting hairy cotton fabrics on the fabric surface and also removes colors. We know that Pumice Stone impact to irregular color fading effects but enzyme impact on regular color fading effect. 

Steps of Enzyme Wash:

1)      Desizing.

2)      Bio-abrasion.

3)      Back wash.

4)      Additional bleaching.

5)      Residual chlorine removal

6)      Softening treatment.

Sample Recipe:

Desizing recipe, if Lot size is 100Kg Cotton Garments

1. M:L                                                                 =1:5
2. Wetting Agent                                               =0.2-0.5gm/Litter
3. Alpha Amylase base Desizing Agent         =0.5% OWG
4. pH                                                                   =6-8
5. Temperature                                                  =50̊-70̊C
6. Time                                                                =10-15mins

Bio-Abrasion

1. M:L                                         =1:5
2. Pumice Stone                        =20%-150% OWG
3. Enzyme                                   =0.6%-2.0% OWG
4. pH                                           =6.5-7
5. Time                                        =40-90mins

Back Wash:

1. M:L                                         =1:5
2. Reagent                                   =1-3% OWG
3. Soda Ash                                =0.3gm/Litter
4. pH                                            =9-10
5. Temperature                           =60̊-80̊C
6. Time                                        =5-10min

Additional Bleaching

1. M:L                                         =1:5
2. Sodium Hypochlorite            =10-15gm/Litter
3. pH                                           =9-10
4. Temperature                           =20̊-60̊C
5. Time                                        =10-20mins

Neutralization

1. M:L                                              =1:5
2. Sodium Meta-bisulphate          =1-2gm/Litter
3. Temperature                               =40̊-50̊C         
4. Time                                            =10-20mins

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