Robust
- Stable under load variations
- Insensitive to temporary limitation
- Consistent treatment results
Offerings
From drinking water and process water to membranes, wastewater recycling, chemicals, auditing, analysis, swimming pools and disinfection: the water treatment work NEXT designs, supplies and supports in Qatar.
Choosing the right treatment
No single technology solves every water problem
The right treatment depends on the raw water source, flow rate and effluent requirements, so it starts with analysing the incoming water. NEXT combines technologies into an integrated treatment system to suit your needs.
Start with water analysis9offerings
24domestic water treatment technologies
19process water treatment technologies
14types of water treatment chemicals
Nine offerings
Explore what we offer
Choose an offering to read it in full: what it covers, the technologies and systems involved, and how NEXT works with you.
Offering 1 of 9
Domestic water treatment
Water is the essence of life. We all depend on water for our survival, and we all have to take global responsibility for it. Today many municipalities are faced with growing concerns about the availability of usable water to meet the demand. Even in areas where water is plentiful, it must often be purified before it is usable for drinking.
NEXT offers you peace of mind by providing safe, reliable and cost-effective drinking water treatment programs geared for the needs of small communities and municipalities. We offer the broadest range of products, services, technology and equipment to solve all your drinking water issues, and the turnkey services that help you manage your process and manpower.
Treatment technologies 4 groups, 24 technologies
Pre treatment 5
- Pumping and containment
- Screening
- Storage
- Pre conditioning
- Pre chlorination
Membrane filtration 4
- Microfiltration (MF)
- Nanofiltration (NF)
- Reverse osmosis (RO)
- Ultrafiltration (UF)
Media filtration 8
- Activated carbon systems (granular)
- Anthracite filters
- Ion exchange resins
- Gravity filters
- Rapid sand filtration
- Multimedia filters
- Powdered activated carbon treatment systems
- Pressure filters
Disinfection 7
- Ultraviolet disinfection
- Ultraviolet (UV) sterilizers
- Ozone disinfection
- Hypochlorite generators
- Chlorine dioxide disinfection
- Calcium hypochlorite feeders
- Residual chlorine analysers and controller
Offering 2 of 9
Process water treatment
Process water refers to water used in manufacturing processes such as rinsing, plating, spraying, coating, cooling, washing, boiler water make-up, cooling tower make-up, etc.
Oftentimes, minerals dissolved in the city or well water may cause spotting, fouling, streaking, interference with adherence, scaling, product contamination or other undesirable effects which affect the quality of the product or the cost to manufacture it. Water quality may be associated with high energy costs; for example, demineralizing water going to a boiler may reduce fuel consumption markedly by allowing operation at much higher cycles of concentration, thus drastically reducing the blowdown which dumps very hot water down the drain.
NEXT offers a wide variety of process water treatment technologies. We will work with you in developing a custom water treatment solution to meet your needs and an ongoing service plan to totally maintain your system.
Process water treatment technologies 19
- Activated carbon filters
- Aeration
- Air stripping
- Dealkalization
- Decarbonization
- Deionization
- Demineralization
- Distillation
- Greensand filtration
- Ion exchange
- Microfiltration
- Multimedia filtration
- Nanofiltration
- Ozonation
- Reverse osmosis
- Softening
- UV disinfection
- Ultrafiltration
- Oil/water separation
Offering 3 of 9
Membrane filtration
1. Reverse osmosis plants
Reverse osmosis, or RO, is a water purification technology that utilizes a semi-permeable membrane to remove the dissolved ions and minerals from water to produce high purity water. An industrial reverse osmosis system is designed to be a part of an overall water purification system used in commercial and industrial applications.
In a reverse osmosis system, one side of the water purification tank has unprocessed water and pure water on the other side, separated by a semi-permeable membrane.
We would apply pressure to the untreated side of the tank, enough to counteract the natural osmotic pressure from the pure water side and then to push the untreated water through the membrane, thus adding fresh water to the water side, and leaving the unpurified remains on the other.
We design, install and service reverse osmosis systems, and assist companies in a wide range of industries and applications to realise optimal water purification through reverse osmosis.
Basic components common to all reverse osmosis systems 8
Cold water line valve
The water source for the RO system.
Pre-filters
Can be made up of several filters, usually one for solids and sediment removal and additional filters using activated carbon for additional impurity removal.
Reverse osmosis membrane
A CTA (cellulose tri-acetate), which is chlorine tolerant, and the TFC/TFM (thin film composite/material), which is not chlorine tolerant, are the heart of the system. The unit holds layers of membranes and allows for a large surface area for the water to move over. The layers, which look like plastic wrap, trap impurities and allow the water to exit the system in a purified state.
Post filters
After the reverse osmosis process, the water may be run through an activated carbon filter to remove any additional impurities or odor.
Automatic shut-off valve (SOV)
To conserve water, the RO system has an automatic shut-off valve. When the storage tank is full (this may vary based upon the incoming water pressure) this valve stops any further water from entering the membrane, thereby stopping water production. By shutting off the flow this valve also stops water from flowing to the drain.
Check valve
A check valve prevents the backward flow of product water from the RO storage tank.
Flow restrictor
This device maintains the flow rate required to obtain the highest purity water (based on the gallon capacity of the membrane). It also helps maintain pressure on the inlet side of the membrane.
Drain line
This line runs from the outlet end of the reverse osmosis membrane housing to the drain. This line is used to dispose of the impurities and contaminants found in the incoming water source.
2. Ultrafiltration
Ultrafiltration is used for the separation of suspended solids, colloids, bacteria and viruses. This technique uses membranes with pore sizes between 1 and 100 nm.
NEXT's engineers design and build tailor-made ultrafiltration plants. Our UF plants are built with hollow fiber outside-in membranes, up to 100 m³/h, to purify surface or groundwater from suspended solids, colloids and all kinds of micro-organisms such as bacteria, viruses, protozoa, germs and larvae.
Ultrafiltration is also commonly used as a reverse osmosis plant pretreatment.
1–100nm membrane pore size
100m³/h: NEXT UF plants, built up to
4membrane geometries
There are 4 membrane geometries:
1. Spiral wound module
This design tries to maximize surface area in a minimum amount of space. It is less expensive but more sensitive to pollution due to its manufacturing process. It consists of consecutive layers of large membrane and support material in an envelope-type design rolled up around a perforated steel tube.
2. Plate and frame module
It is normally used for bad quality water. They are set up with a stack of membranes and support plates.
3. Tubular membrane
Generally used for viscous or bad quality fluids. These modules do not need a preliminary pre-treatment of the water. As the feed solution flows through the membrane core, the permeate passes through the membrane and is collected in the tubular housing.
The main drawback is that the system is not very compact and has a high cost per m² installed. Tube diameter is generally between 4 and 25 mm.
4. Hollow fiber membrane
The modules contain several small (0.6 to 2 mm diameter) tubes or fibers. As the feed solution flows through the open cores of the fibers, the permeate is collected in the cartridge area surrounding the fibers. It can carry out the filtration in two ways, either "inside-out" or "outside-in".
Offering 4 of 9
Wastewater treatment and recycling
NEXT designs and sets up wastewater treatment plants and also upgrades existing treatment facilities. The company offers consultancy services to its valued customers.
As a part of its consultancy service, we carry out preliminary studies and surveys, get to know the client's requirements, problems, constraints etc., and based on this data we draw our conclusions and provide superior services. We offer many modern and customised technologies like:
- MBBR
- Moving bed biofilm reactor
- SBR
- Sequencing batch reactor
- ASP
- Activated sludge process
- MBR
- Membrane bioreactor
- FBR
- Fluidized bed reactor
- UASB
- Upflow anaerobic sludge blanket reactor
Increase capacity without expanding footprint with the MBBR system
The Moving Bed Biofilm Reactor or MBBR process is based on the aerobic biofilm principle and utilizes the advantages of activated sludge and other biofilm systems without being restrained by their disadvantages. The basis of the process is the biofilm carrier elements that are made from polyethylene. The elements provide a large protected surface area for the biofilm and optimal conditions for the bacteria culture to grow and thrive.
The biofilm that is created around each carrier element protects the bacterial cultures from operating excursions to yield a very robust system for those industrial facilities loaded with process fluctuations. The biofilm also provides a more stable "home" for the bacteria to grow, so there is less space required compared to other biological systems and far fewer controls.
Essentially, nutrient levels and DO levels are the only control points for the system. MBBRs can be designed for new facilities to remove BOD/COD from wastewater streams or for nitrogen removal. Existing activated sludge plants can be upgraded to achieve nitrogen and phosphorus removal or higher BOD/COD capacity.
MBBR system features and benefits 5
Efficient
- Low solids generation
- Low or no polymer required for liquid/solids separation
Flexible
- Customizable reactor shapes
- Utilization of existing tanks
- Upgrade existing plants
Trouble-free
- Easy to operate
- No media clogging
- No sludge return
Compact
- Small footprint
- Low capital cost
Offering 5 of 9
Water treatment chemicals
NEXT offers an extensive range of advanced, scientifically formulated water treatment products, speciality chemicals and water additives manufactured to the highest international quality and environmental standards for guaranteed performance.
NEXT's high performance chemical treatment products and speciality additives are used successfully in commercial, municipal and industrial process environments where they help to improve productivity, optimise performance and reduce equipment life-cycle costs.
NEXT's full range of scientifically formulated water additives and chemical treatment products includes high performance water treatment chemicals for steam boilers, cooling water systems, cooling towers and closed circuits; wastewater and effluent treatment chemicals, high performance industrial chemicals, reverse osmosis membrane products, eco-friendly biological formulations, advanced polymers and much more.
Types of water treatment chemicals 14
For the chemical treatment of water a great variety of chemicals can be applied. Below, the different types of water treatment chemicals are summed up.
Offering 6 of 9
Water auditing
A water audit can provide organisations with strategies on how to reduce costs and improve water use efficiency. NEXT's experienced water auditors can assist your organisation to improve water use through comprehensive water audits.
NEXT's water auditors can assist your organisation to:
- Reduce water usage and operating costs
- Determine a range of practical and cost-effective methods to reduce consumption
- Set, review and meet water efficiency targets
- Provide practical and cost-effective measures for reducing water consumption
- Provide advice on water-efficient technologies and process improvements
NEXT's experienced water auditors:
- Review historical water use
- Conduct an on-site survey and assessment of water end uses and inspect for leaks
- Develop sub-metering plans and water reticulation diagrams
- Review infrastructure, systems, equipment and practices onsite to accurately estimate water usage
- Identify up-front costs and payback periods for water saving opportunities
- Identify areas for improved water efficiency and cost savings
- Identify any additional savings that are associated with a reduction in water use, e.g. energy savings achieved from reducing hot water use
- Identify and assist with possible grant applications for Resource Efficiency and/or Sustainability Programs
- Implement water efficiency action plans
Offering 7 of 9
Water analysis
Water quality and compliance testing
NEXT provides water testing services for water quality. Water quality analysis is provided for the world's petroleum, mineral, food, industrial, manufacturing and other industries.
Our water analysis also informs the choice of domestic water treatment technology.
Water testing: 7
- Marine potable water quality testing
- Cooling water conditioning and control
- Microbiology services
- Water content testing for the petroleum industry
- Formation and produced water analysis
- Sea water analysis
- Water activity testing (Aw)
Offering 8 of 9
Swimming pools
NEXT offers the leisure, public and private sectors a high quality, first-class service, specialising in all aspects of swimming pool design, construction, maintenance, project management and finishing.
Having wide experience in the civil and mechanical engineering disciplines, and a highly skilled, fully qualified engineering and construction team, our work is carried out to the highest standards and complies with the latest legislation, codes of practice and health and safety regulations.
From pool design through project management services to complete build and refurbishment, we work closely with our clients, ensuring that they are kept up to date at every stage of the project until completion.
We pride ourselves on the high standards of workmanship that we adhere to, and we operate a process of continual evaluation to ensure that as a company we offer the highest standards available.
We are confident our customers can have total peace of mind that projects we undertake will be of the highest quality, delivered on budget and on time.
- Sectors
- Leisure, public and private
- Scope
- Design, construction, maintenance, project management and finishing
We have the professionalism, the expertise and the technical knowledge to provide the complete swimming pool service.
Offering 9 of 9
Chlorination and disinfectionof water storage tanks and pipelines
Every new water service, cistern, distributing pipe, hot water cylinder or similar appliance, and any modification to these services, should be thoroughly flushed with drinking water before being used.
Where the piping system is not used immediately after commissioning, and has not been flushed at regular intervals (of up to 30 days, depending on the characteristics of the water), it must be disinfected before use.
Furthermore, water piping and storage systems should be disinfected in the following situations: 5
- In new installations
- Where major extensions or alterations have been carried out
- Where underground pipework has been installed (except where localised repairs have been carried out or a junction inserted after the fittings have been disinfected by immersion in a solution of sodium hypochlorite that has 200 parts per million of available chlorine)
- Where it is suspected that contamination may have occurred, for example: fouling by sewage, drainage, animals or physical entry by site personnel for interior inspection, painting or repairs
- Where a system has not been in regular use and not regularly flushed
Note 1 ppm is equivalent to 1 mg/l.
Furthermore, cleaning and disinfection of water systems on a scheduled routine basis is good engineering practice. It is a statutory requirement to disinfect water systems in premises where water is stored and used in a way that could create the foreseeable risk of legionellosis (Legionnaires' disease).
Contact us to avail of or know more about these services. Our engineers will work with you, and visit your site or office for meetings, to specify the optimum solution and offer advice on our services, providing you with a cost-effective and efficient solution.
Authorised dealer in Qatar
FLUUX commercial filters by Microfilter Korea
Next Water Solutions is the authorised dealer for Microfilter Korea water purifiers in Qatar.
FLUUX, Microfilter's commercial filtration brand, protects coffee machines, ice machines, combi ovens and beverage equipment in restaurants, cafés, hotels, convenience stores and QSR chains.
- Protects equipment: reduces scale, corrosion and sediment damage
- Consistent quality: stable taste and clarity across every batch
- Easy maintenance: quick-change cartridges and tool-free heads