Wastewater Treatment Plant - Water Softner, Reverse Osmosis Systems, Activated Carbon Filter

WWTP Division (Water and Wastewater Treatment)

At D.M. Engineering Co. we have always believed in forward & backward integration for products. As a part of our forward integration process we have established a separate WWTP division which caters to the industries water treatment & waste water treatment needs.

Our In-house FRP vessel manufacturing facility gives us an added edge over the others. With Knowledge acquired & with help of industry experts this young division of ours has an enviable client list in very short time.

In the wastewater treatment plants range, we are manufacturing and supplying water softner, reverse osmosis systems, activated carbon filter, reverse osmosis systems, water treatment plant, pressure sand filter and de-mineralisation plants.

Water Softner

We offer precision engineered water softner that finds wide application in various industrial and domestic sectors. Our sound understanding of process parameters and piping knowledge has fetched us many reputed plant projects. Further, we have an in-house vessel manufacturing facility adds to our advantage for getting the major projects. These softeners are offered in different capacities ranging from 1000 LPH TO 200000 LPH.

Manufactured using PVC, FRP and MSRL, these water softeners have manual, semiautomatic and fully automatic operation. We make use of strong acid cation from the water in for our industrial water softeners. This removes various hardness causing impurities such as Calcium and Magnesium from the water and makes it soft. These can easily remove impurities such as suspended particles, organic materials and bad odor present in the water. Our Water Softener is capable of removing hardness efficiently up to 99.99 percent.

Application Area:

Boiler industry
Cooling towers
Laundry
Hotels
Hospitals
Food processing industry

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Reverse Osmosis Systems

The reverse osmosis systems work by using pressure to force a solution through a membrane, retaining the solute on one side and allowing the pure solvent to pass to the other side. This is the reverse of the normal osmosis process, which is the natural movement of solvent from an area of low solute concentration, through a membrane, to an area of high solute concentration when no external pressure is applied.

Its essentially a cross flow filtration technique wherein water is passed parallel to membranes at higher pressure.the

Advantages of Reverse Osmosis System :

Doesn’t require any regenrants
Low maintenance & hassles free automatic operation.
Easy maintenance

With the use of sophisticated softwares we at DME design reverse osmosis system which removes TDS up to 99%. The product water can be used for different applications with further specific treatment such as:

Packaged drinking water plant with ozonation & UV disinfection
Pharmaceutical industry for bulk drug manufacturing
High pressure boiler feed water
Power generation plants
Hospitals
Specialty chemicals manufacturing

MOC: SS/FRP/PVC

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Activated Carbon Filter

Water may contain different types of impurities such as free gases, contaminants, color, and odor. The activated carbon has the ability to absorb these contaminants from tap water. The activated carbon filters offered by us is an activated charcoal processed in such a way that surface area is increased in order of 1000 sq.mtr /gm. In this type of filter, activated carbon is processed to have high positive charge and as soon as the negative charged water is passed through it, it absorbs the negative charged contaminants. Our range of activated carbon filters is known for its features such as effective, easy to use and reliable.

Applications:

De-chlorination of water for industrial/drinking water
Removal of organic matters from water
Pretreatment for reverse osmosis
Removal of color and odor

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Pressure Sand Filter

Pressure sand filters are most suitable for removing the suspended solids from water. In these filter, the filtration medium has multiple layer of sand, where each layer has different specific gravity.

Pressure sand filters are provided with water pump for generating necessary operating pressure. For Filtration, water is passed through multi-grade sand filter at a pressure of 3.5 kg/cm2 that reduce the presence of suspended solids in the water.

The filter effectively removes suspended solid of sized up to 30-50 micron to around 5 ppm. The pressure sand filter requires to be washed for 20-30 minutes with normal water.

Application:

Turbidity arresting
Suspended solids, organics & inorganics removed for water

MOC: MS, MSRL, FRP

MODES of Operation : Manual, semiautomatic, fully automatic

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De-Mineralisation Plants

Demineralization is the Process of removing the mineral salts from water by ion-exchange. Impurities that remains dissolved in water dissociate to form positive and negative charged particles known as ions. These impurities or compounds are called electrolytes.

Generally, all natural water has electrolytes in varying concentrations. An ion-exchange vessel holds ion-exchange resin of the required type through which water is allowed to pass. The selective ions in the water are exchanged with ions or radicals loosely held by the resin. In this way, the water is passed through several vessels or a mixed bed vessel so that both positive and negative ions are removed and water is demineralised.

Quality of treated water from a demineralisation plant
	Cation-AnionPolishing Mixed Bed	Cation-AnionCounter-Current Regeneration	Cation-AnionCo-Current Regeneration*
Conductivity	0.1 µS/cm at 25°C	0.5 to 1.0 µS/cm at 25°C	5 to 30 µS/cm at 25 C
Sodium	0.01 mg/l	0.05 to 0.1 mg/l	0.5 to 3 mg/l
Reactive silica	01 mg/l	0.025 mg/l	0.1 to 0.3 mg/l

Depending on water salts composition & desired output quality of water following schemes are offered:

PSF+ACF+SAC+SBA
PSF+ACF+SAC+SBA+MB
PSF+ACF+SAC+DG+SBA
PSF+ACF+SAC+DG+SBA+MB
PSF+ACF+WAC+SAC+DG+SBA+MB
PSF+ACF+WAC+SAC+WBA+SBA+MB

At DME our in depth knowledge of process parameters & sound piping knowledge has fetched us many reputed dm plant projects. Our in house vessel manufacturing facility adds to our advantages.

Capacities : 1000LPH TO 200000LPH
MOC : PVC/FRP/MSRL
Operation : Manual/Semiautomatic/fully automatic

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Softening/Demineralizer Plant

In our fight with corrosion & corrosion causing elements, we at D. M. Engineering Co. under our WWTP division offer wide range of water treatment equipment.

Our inhouse FRP vessel manufacturing facility & thorogh design knaow how of water chemistry makes our DM plants an ideal choice for industry.

For TDS / hardness removal we offer equipments like Water softners, demineralisation plants. Our mixed bed system gives ultrapure water of conductivity as low as 0.1 micorsiemens.
All units can be supplied in manual as well as fully auotamatic option.

Applications:

Hospitals
Shopping malls/complexes
Chemical/phrmaceutical industries
Power plants
Boiler water treatment
Public places like theatres
Tertiary treatment for waste water plant

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