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www.rootsenviro.com© Roots Enviro Systems Pvt. LtdConfidential

Industrial Ventilation

&

Air Pollution Control

Roots Enviro Systems Pvt. Ltd.Kolkata, Indiawww.rootsenviro.comEmail: [email protected]

Innovative Solutions To Clean Air

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Company

Product

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Contacts

Overview

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Company…


About CompanyRoots Enviro Systems is an Environmental Engineering

company focused on two growth markets.

1) The company‘s innovative product line for

Air Pollution Control Systems

2) Forced Draft Ventilation addresses the need for better transportation of air.

Technology Collaboration, engineering breakthrough, competitive total cost of ownership, quality and inventiveness drives Roots Enviro Systems on a leading position.


Technology Collaboration“Roots Enviro Systems” has collaborated with a

German Company “Tholander Ablufttechnik GmbH” for Scrubber and Biofilter Technology.

“Tholander Ablufttechnik GmbH” has more than 20 years of experience and established more than 500 scrubber and Biofilter plants all over the world.

The technology collaboration will eventually provide Indian customers a best product from Roots Enviro Systems.


Overview• RES works on turn-key project for industrial ventilation

system in Indian market

• RES offers semi-automatic production of duct for direct & indirect suppliers of HVAC* systems

• Air Pollution Control Systems ranging from Dust Collection, Scrubber & Biofilter.

• The maintenance of the existing & new plants are taken by us.

• Social and Environmental Reporting (EIA - Environmental Impact

Assessment) for investors and other stake holders".* HVAC: Heating Ventilation & Air Condition


Products…


Technology Lineup • Products:

– Natural Roof Turbine Ventilator

– Scrubbers (Cross, Counter, Multistage)

– Forced Draft Ventilation

– Mist Elimination

– Multicyclone & Pulsejet Filter

– Bio-filter

• Services:

– Maintenance of existing ventilation plants

– Erection & Installation of Ventilation systems

– Industrial HVAC Duct Manufacturing


Evaporative Air Cooler

Did you ever wonder why you feel cooler by the ocean or a river ? It is because of natural evaporation

Single and Double Skin(PUF Insulated) system vary from 10,000 CFM till 100,000 CFM are available.

Saturation Efficiency is practically achievable till 95%.


Features & Functions• Operates with milder breeze which creates a stack effect • High precision steel bearing is used for low friction rotation • Runs with out any electricity and maintenance • Doesn't allow rain/snow to enter through wind turbine openings

Product: Natural VentilatorWind driven ventilator is installed on the roof top to provide effective and uniform ventilation for all kind of industrial buildings

Size

Summer Winter

Model No. of VanesDiameter

[mm]

14WTV 24 356

24WTV 42 610


Product: Cross Flow Scrubber

Examples of applications• Waste water treatment plants• Sludge drying plants• Rubber industry• Collagen production

In cross flow scrubbers the waste air streams passes horizontally through one or several packing bed(s) and gets into close contact with the washing liquid which is sprayed from above. By this method the contaminants in the waste air are being transferred into the washing water.


Cross Flow ScrubberSource: Treatment of highly loaded waste waters from catering and sanitary facilities, workshops for maintenance of air planes just leads in hot climates, like Malaysia, to extremely high odor and pollutant concentrations.

Method: A reliable cleaning of the resulting waste gases can be achieved by 3-stage cross flow scrubbers treating the waste air from waste water pre-cleaning and from biological reactor.The excellent properties of the packing material guaranty an effective mass transfer in the each stage, archiving more than 99% removal efficiency.

Customers:NEW INTERNATIONAL AIRPORT KUALA LUMPUR (KLIA)


Product: Counter Current Scrubber

Examples of applications• Waste water treatment plants• Sludge drying plants• Rubber industry• Collagen production

The waste air is led from the bottom to the top – "counter-current" to the scrubbing liquid being rinsed from above through a packed bed. The outlet of the clean gases is at the top of the washing tower. Cleaning efficiencies of 95 to 99% can be achieved.


Counter Current Scrubber

Customers:MAIN PUMPING STATIONSSALALAH, OMAN

Source: Waste air (airflow rate1.55 m³/s) from Main Pumping Stations 1 / 2 / 3

Method : Using a co-current downward irrigation system the washing liquid streams from top down to the integrated scrubber liquid sump. The gases to be cleaned are led upward, countercurrent to the washing liquid.Occurring contaminants – H2S and Mercaptanes – the scrubbers are equipped with dosing stations for dosing of NaOH and NaOCl in thewashing water.


Product: MultiVenturi Scrubber

Examples of Applications• Drying processes• Composting plants• Solid waste treatment• Chemical industry• Food processing• Tobacco processing

The air pollution control plant, assembled in advance, can be installed within short time with a minimum of space demand and foundation requirements .Ammonia emissions from the burley line will bereduced by more than 99%.


MultiVenturi Scrubber(in container)Source: Main plant producing polluted exhaust at rate of 24,000m3/hr

Method : A combination of the dust removing Multi Venturi Scrubberwith a packed bed Cross Flow Scrubber for gas absorption built in one scrubber housing designed to be placed in a 40' containment. The standardized design offers high flexibility and mobility in case of plant extension or site movement. All auxiliaries like control panel, frequency controlled exhaust fan, water softener, chemical storage and dosing etc. will also be placed within the containment.

Customers:Many Clients in Europe, UAE, China


Product: BioFilter

In the humid biofilter absorption bed contaminants are decomposed into non toxic substances - like water and carbon dioxide - by adapted micro-organisms.Modern biofilter are filled with organic filter material which keeps itsporosity and structure for a long period.

Examples of applications:• Waste treatment plants• Composting plants• Food processing• Tanneries• VOC removal• Tobacco processing• Breweries


BioFilter : Tobacco PlantSource: Moist and hot air carry a lot of odorous particles still noticed in long distances from the point of emission.Method: A multi-stage system consisting of a pre-scrubber system for dust removal by a Multi Venturi Scrubber followed by a Cooling Scrubber to reduce the temperature to below 40°C. These preconditioning units are followed by a highly efficient biofilter. With this plant configuration it is possible to reduce the odors with efficiencies up to 99%.Customers:21Area Pumping Station,Salah, Oman


Product: Duct ProductionAutomatic production of spirally-wound tubes.Semiautomatic production of rectangular duct. Accessories for ventilation and air conditioning industry

Machines used:1. Tubeformer2. Gorelocker3. Plasma cutter4. Stitchwelder5. Roll former


Product: Multicyclones

Examples of Applications• Cement Industry• Steel industry• Battery Production• Welding Shops

Used for collection of coarse dust particles. Remove dust with an emission level of 200 mg/m3 . Pressure drop across the cyclones around 50-100 mm WG.It does not require any maintenance. Multicyclones are offered to handle larger volumes Rotary air cut valves or Double flap valves are used as discharge devices to these cyclones.


Product: Pulsejet Filters

Examples of Applications• Cement Industry• Steel industry• Wood Cutting• Asphalt Plant

Bag filters offer high efficiency, less maintenance and longer life. The bags are sealed by snap rings to ensure easy removal of the bags and cages. Automatic cleaning is by pulse jet of compressed Air through venturi nozzles. Our Bag filters can handle high dust loads, moist dusts, flue gases at high temperature by using the most suitable selection of filter fabric and filter area.


Contacts…


Thank you for your

Interest and Attention

Please contact us for Products and Service Enquiries

Roots Enviro Systems Pvt. Ltd. 26/2 Snuff Mill Street

Kolkata, IndiaHarsh N ShahManaging DirectorEmail: [email protected] Phone:+91(0)9330871531


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