Effluent treatment plants available with us are used for treating different types of industrial effluents and producing treated water within the approved standards for:

• Disposal on land for irrigation
  
• In surface waters
  
• Re-used by the plants

Effluent is termed as the water after the process usage discharge. We use total treatment technologies for various applications of almost all industries including process, engineering, power, steel, paper, textile and manufacturing industries. We can make use of various technologies, depending on water quality required, to cater various industrial needs such as:

• Safe disposal
  
• Complete re-use
  
• Zero liquid discharge
  
• Effluent recovery
  
• Solid/waste disposal and many others

Various stages / processes from which the effluent goes through during its treatment include:

• Primary Treatment
  
• Secondary Treatment
  
• Tertiary Treatment
  
• Sludge / Waste Handling & Disposal
  
• Final polishing
  
• Post treatment

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Sewage treatment plants are classified as industrial and commercial. The treatment method shall be selected based on the characteristics of the sewage and its treatability with anticipation of growth in usage.

When the Sewage Treatment became statutory requirement of Pollution Control, every Industry were looking for economical, easy to install, operate, compact type sewage Treatment Plant. Since the land is extremely expensive, very few industries could afford the large treatment units as recommended by most of the manufacturer. These large units were designed mainly on the theoretical knowledge only. APIPL being pioneer in the field was always in the search of some technology by which the need of the industries, commercial establishments, hotels, town ships, municipal and colonies can be easily satisfied

APIPL offered its plants with most latest and suitable technologies to achieve this object with cost reduction, less maintenance, high quality, flexibility in operating condition, stable performance etc. For treating municipal sewage, or sewage generated by large colonies, Hotels, Hospitals and institutions/commercial buildings, Industries 'APIPL offers compact sewage treatment plants. Considering our vast experience in this field, we have clear cut solution for the needs of treating the sewage which classified as following,
 
The treated effluent water can be further polished through Tertiary stage comprising filtration plant and Softeners to produce clean, clear water for reuse in the industries/ residential for a variety of requirement. The treatment systems for the Sewage treatment plant offered by APIPL are:

• Aerobic Treatment
• Anaerobic treatment
• Chemical treatment
• Coagulation, Flocculation and Sedimentation
• Filtration
• Sludge handling and disposal
• Reuse and recycling
• Package treatment
• Potable systems

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Ion Exchange Treatment Plants (Demineralization plants and softening plants)

The process of demineralization, in which the ions that are present in water are removed, is accomplished in stages, employing ion-exchange resins. These resins are capable of exchanging cations for hydrogen (H ) ions and hydroxyl (OH^-) ions in the case of anion exchange resins. Demineralisation of water is achieved by passing water through a series of two ion exchange columns, one for cation removal and the other for anion removal. In the demineralisation of water, generally strongly acidic cation exchange resin and strongly basic anion exchange resins are used. However, the other types of resins and weakly base cation exchange resin and weakly basic anion exchange resins are also used depending on raw water analysis and the purity of the treated water required.

APIPL, its expertisation gained In the design of Demineralisation plants, now offering specialty treatment method to carry out wide range of specialized applications. This includes, boiler treatment where silica level shall be reduced as minimum as possible, or Chemical industries where Weak base anions and week acid cations combinations required etc. During the period of its expertise, APIPL developed new methods to implement Ion exchange technologies to get its maximum efficiency, minimum capital and operating cost. APIPL having associated with various reputed resin manufactures and the knowledge gained about their products results the right selection of resin for the right applications.
We offer various combination method developed by us includes :

• Packed Bed Systems : The resins are packed conditions and highly effective in specified applications
• Co current systems : These systems are provided with same flow direction for service and regeneration
• Counter current systems : These systems are provided with down flow service and up flow regeneration
• Fluidized bed systems : This treatment method are using for specified application
• Softeners : For removing the Hardness from the sater and replacing to sodium ions

 
Decasuticisers
Basically to remove the caustic from the effluent water. This treatment methods are using for bottle washing effluent recovery and such applications where caustic soda will be added the process.
 
Organic Scavenging
 
The organic scavenging system is mainly for the removal of the micro organisms (fumic, fulvic acid and other naturally occurring organic contaminants) from water. This process will use pre-treatment and post-treatment applications and widely used in ion exchange and membrane based treatment plants.
 
Condensate Polishing Unit:
 
In steam based power generation plants or combined cycle power plants, or in tire or paper manufacturing industry, stream releases the energy for manufacturing or generating electricity.
The condensate polishing units are employs an ion exchange resin bed to remove the contaminants and once resin exhausted, the same is regenerated externally. The treatment systems are made to operate with less operator intervence, high efficiency, accommodate large volume of condensates, High velocity and high quality at treated condensate.
All the above systems are engineered to operate in Manual, Semi auto and fully automatic mode. Also we specialized in providing the chemical handling systems and safe discharge /complete re use of Neutralization waste generating from the above plants.

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Is a process for removing dissolved mineral salts, organic molecules and certain other impurities by forcing water under pressure to pass through a semi-permeable membrane. Adding value of this new technological development, various membrane separation systems are catering wide applications. Different method of membrane purification systems and its applications are described below.

Membrane treatment plant has become a popular water treatment technology in every industry which is used to separate the suspended and dissolved solute from its solvent. The solvent usually will be water. The most common application of Membrane is the purification of water, involving simply the removal of undesirable contaminants. Industry makes heavy use of this application for producing highly purified process water, and for treating industrial wastewater. The process is used to make potable (drinkable) water by desalination of seawater; and even used residentially to improve quality of water, as well as to remove potentially unhealthy contaminants. Depending on the process applications, different kind of treatment systems are available with advanced membrane based purification technology: APIPL ‘s strong engineering and technology background and practical experience in the design give a very flexible and correct choose of treatment for stand alone systems and combination of different kind membrane based technologies. APIPL offering the following membrane based purification treatment systems for Drinking water, Desalination, Wastewater treatment, Effluent treatment, Demineralization, Brackish water treatment etc.

This process is used for making potable (drinkable) water by desalination of seawater. It is also used residentially to improve water quality and remove potentially unhealthy contaminants. Our membrane based purification treatment systems are used for:

• Drinking water
  
• Desalination
  
• Wastewater treatment
  
• Effluent treatment
  
• Demineralization
  
• Brackish water treatment and many others

We offer following membrane based treatment plants:

• Ultra filteration plants
  
• Reverse Osmosis plants
  
• Nano filteration plants

Ultra filtration plants
 
These offer highest level of purifications which means higher water productivity. The plants are used for the removal of particulate matters, silicates, insoluble irons, Microorganisms and reducing the turbidity, suspended solids, colloidal materials and others. Our ultra filtration systems are most efficient for eliminating:

• The use of conventional treatments
  
• Chemical agents for co-agulation
  
• Polymer addition for flocculation
  
• Micron filtrations
  
• Carbon and sand filters in some cases
  
• Colloidal silica and other colloids which cause fouling, scaling and poor performance of the plant equipments

Advantages

• Operate at low pressure
  
• Eliminating usage of coagulant and flocculent chemicals
  
• High solid compatibility
  
• Maximum recovery
  
• Low energy cost
  
• Compact and minimum space requirement

Nano filtration plants

This technology is one step ahead of the membrane based treatment systems after ultra filtration. Various treatment applications involved in it are:

• Hardness reduction
  
• Removal of divalent and high molecular ions

Advantages 

• Operate at medium pressure
  
• Removal of hardness
  
• Removal of divalent ions and heavy metals
  
• Reduction of slat content in brackish water
  
• Low energy cost
  
• Compact and minimum space
  

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Filtration is the process of removal of suspended solids, Precipitated irons, removing turbidity etc. Filters are designed for passing water usually downward, through a media where the suspended solids gets trapped and removed. Adsorption and starving are the general filtration mechanisms involved in the removal of suspended solids.

Different types of filter media are used to remove suspended solids, the most common is sand, but anthracite is also widely used. When a coarse layer of very light weight material like anthracite is placed on top of the sand in a normal down-flow filter is used, the coarser suspended particle gets filtered in the anthracite layer and the finer particles in the sand layer, resulting in a less turbid water. This two type of filtration leads to classification of filtration into surface filtration as in the former case and in-depth filtration as in the later case.

APIPL offer wider range of water filtration plants for raw water, drinking water, effluents and sewage treatment applications. Its customized and modified designs are ensured maximum removal of TSS, and even suitable for specialized applications.

The filtration systems offered by APIPL are:

• Pressure Sand Filters
• Multi Grade Filters
• Dual Media Filters
• Gravity Filters
• Iron/Manganese remove filters
• Activated carbon filters

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The cleaning operation of filter bed by reverse flow of water is called backwash. During backwash the water enters from bottom of Filters and passes through filter bed and loosens the compact bed during service cycle and the suspended solids and other suspended impurities comes out through the outlet. These back wash waste having high-suspended solids content. The water shall be treated before discharge to avoid environmental problems. Normally water consumption though this process is very large and APIPL back wash water recovery systems are capable to treat the back wash waste and ensure complete re use of the water back to the process with acceptable TSS / Turbidity level. These systems are cost effective methos of treating the backwash waste.

Other Products

For the treatment of naturally occurred dissolved impurities and impurities due the process requirement of the plants, APIPL offering various treatment methods maximum utilization and safe disposal of water the product in this category as follows

• Deaerators.
• Ozonators.
• Chlorination systems.
• Disinfection systems.
• Customized systems for Waste water applications
• EDR/EDI.
• UV storlisons
• Membrane Bio Reactors (MBR)
• Side Stream Filters.
• Thermal desalination

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EPC Contract is single point solution for fast track projects. APIPL Started EPC contract management in 2005. Since than, we had associated with various prestigious clients for setting up their industry and we own our part promise by completing the project on time without transferring any hurdles to them.

Our undertaking of EPC contract is benefited to clients in the following ways:

• Timely completion of the project
• Guaranteed plant performance with all combined units
• Firm project cost and fixed cash flow schedule
• Reduced and fixed expenditure on project management overheads and expenses.The Client need not set up a sizeable, dedicated group of experienced engineers to oversee Project execution
• Single point contact for your project management, allowing client to focus on their core business
• Dedicated and experienced team for all phases of projects
• Pre-approved billing schedule
• Transparency in all techno commercial activities
• Combined warranty for total plants
• Integration of systems/services to the main plant with clear engineering
• Assistance for getting clearance from government and local authorities
• Fixed budget
• After commissioning service and time bounded operations
• Complete training for all departments/systems
• Complete As built documentation
• Modeling of the plant during engineering 

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