The infrastructure and unique technologies required for efficient wastewater treatment, including recycling and recovery are available from Netsol Water.
Major industries all over the world use our water conservation solutions for industrial, commercial, and municipal applications.Given the increasing requirement to conserve and recover water, water efficiency is an essential part of every modern establishment. We have the technologies, expertise, and experience necessary to offer, specialized wastewater treatment solutions.
What are the Primary products of wastewater treatment?
The first stage of the wastewater treatment process, wastewater primary treatment, is used to get rid of oil and grease, colour, and odour. The screens, grit chamber, flow equalisation tank, and clarifier are the crucial elements of this process.
Primary process of wastewater treatment
Stage 1:In the first stage of wastewater treatment, wastewater is sent over a screen to catch any large floating debris. If these materials are not eliminated before to treatment, they may block upstream equipment, endangering it and slowing down the operation.
Stage 2:After that, the grit is taken out of the water in a grit chamber. Sand, gravel, eggshells, bone fragments, seeds, and other things are all considered, to be grit. To lessen significant deposits in aeration tanks, digesters, channels, and conduits, grit removal is required. It benefits mechanical equipment by shielding it from deterioration.
Stage 3:Basic settling tanks make up the next stage of wastewater primary treatment. These tanks are often quite big, and the solids fall to the bottom by gravity and are removed as sludge. In the meantime, the oil floats to the surface and is skimmed off, 50–60% of the suspended particles are eliminated, and a 30–40% decrease in the biological oxygen requirement over the course of five days, is anticipated.
Stage 4:From this point on, additional operations are carried out to eliminate only light particles, which the aforementioned processes are unable to remove.
The following treatments can be used to get rid of those particles:
Clarification is used to remove suspended particles from the wastewater's bottom. The fundamental idea is to keep water moving at a slow enough rate, to allow heavy particles to settle. Particle size, shape, specific gravity, and viscosity of the liquid are all factors, which affect how quickly they settle down.
The lighter in weight particles do not get eliminated easily. These colloidal particles are eliminated through a coagulation procedure, in which a combination of water, colloidal, and suspended particles are combined with specific chemical agents, then collated to create flocks, an insoluble metal hydroxide.
Coagulants that are frequently used include sodium aluminates, magnesium carbonate, chlorinated copper, lime, and aluminium sulphate.
Destabilized particles undergo flocculation, which is the process by which destabilized particles organize into micro flocs, and collide with other micro flocs to form floccules that can settle.
Other primary products for wastewater treatment
A clarifier is used in the process to remove solid particles.Scum refers to the particles that float on the surface, while sludge refers to the contaminants that are released from the bottom.
When the inflow stream enters the clarifier, it becomes still. In order to catch the solid particles, which are settling to the bottom of the clarifier as the liquid is being cleared and leaving, hoppers are kept there.
Sludge is sucked off at the bottom of the hoppers, and the liquid exits the machine at the top of the weir. After being collected from the primary clarifier and placed in a sludge holding tank, sludge is dewatered in a dewatering unit.
· Tube Settler/Lamella Clarifier
It is a small clarifier with an inclined plate. The use of a lamella clarifier/Tube settler can be used to clarify water, wastewater, or other liquids that contain suspended solids and colloidal particles.
Steps of wastewater treatment in lamella clarifiers
1: The employment of lamella clarifiers, which work on the theory of heavier particles settling under gravity, while providing a number of slanted plates, produces a huge projected area similar to a clarifier.
2: Utilizing a tube settler increases settling capacity. The rectangular clarifier is where it is most frequently employed to shorten the vertical distance, which a suspended particle must travel, in order to catch the solid particles which are settling to the bottom of the clarifier. As the liquid is being cleared and leaving, hoppers are kept there.
3: Sludge is sucked off at the bottom of the hoppers, and the liquid exits the machine at the top of the weir.
4: After being collected from the primary clarifier and placed in a sludge holding tank, sludge is dewatered in a dewatering unit.
5: To improve the effectiveness of tube settlers, stacks of parallel rectangular or flat sections that are spaced a few inches apart and slope vertically in the direction of flow, are utilized.
· High Rate solid contact clarifier (HRSCC)
Coagulants and recirculating sludge are thoroughly mixed, and in close contact for a considerable amount of time in the cone sections of the clarifier, in HRSCC.
HSRCC receives influent from the equalisation tank via a pump. Coagulant and poly are dosed in HRSCC for effective removal of suspended particles. In order to remove silica and hardness, lime and dolomite can also be dosed. The HRSCC's sludge is extracted and further dewatered in the dewatering system.
· Dissolved Air Flotation (DAF)
A common method of clearing is dissolved air flotation (DAF). Drinking water, municipal and industrial wastewater, in situ treatment of lakes for algae, seawaters for algae, and oil spills are just a few of the domains, where it can be used.
Air bubbles that collide and attach to particles are used by DAF to remove particles from water. When the particle-bubble aggregates reach the tank's surface, they are then separated.
Choosing the best manufacturers of wastewater treatment plants in India
Netsol Water is one of the top producers of wastewater treatment systems in India. At Netsol, we are committed to providing high-performing primarywastewater treatment systems and plants, to assist enterprises with their wastewater, and sewage requirements.
We have earned a reputation for providing top-notch service and solutions, which will help our clients lower operating expenses and increase the life of their equipment. Every purchase of these systems includes free installation, manufacturer's warranty, and a 24-hour customer service, after the sale.