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Dye Removal

Ozone, the powerful oxidizer and disinfectant, gives the best and safest treatment to get the purest water !


Wastewaters from dye manufacturing and textile dyeing plants usually are highly colored and contain organic dyestuffs as well as ancillary chemicals, such as sizing agents (organic and inorganic) surface active agents, organic acids and inorganic acid salts. Depending upto the season, textile plants use different organic dyes. Therefore, the specific sources of color, BOD and COD change seasonally in this industry.


SENOZONE proposes a versatile three steps treatment for all seasons:


1st step:

Preozonation using off gas of the third step, that’s to eliminate the competition for the aerobic microbes of step 3 and oxygenate the water.


2nd step:

Aerobic biological treatment.


The preozonation increases the DO level required for the biological treatment. Biological treatment is efficient, cheaper and eco friendly. The BOD/COD are reduced even up to 90% and the colour is reduced upto 50%.


3rd Step:

Ozonation by high concentration ozone gas, the BOD/COD are reduced further by 50% and colour is removed upto 98%




"Ozone being the strongest oxidizing agent available for wastewater treatment will oxidize all color-causing dyestuffs to destruction."


Some dyes are more readily oxidized by ozone than others. In some cases, the ozone demand of some of the ancillaries is higher than the demand of colored dyestuffs. Consequently, bench-scale and pilot plant testing should be conducted on each sample of wastewater.

Note:   Ozone appears to break down both bodies OR BOD? and color precursors that can cause further colour formation in the pans. These breakdown products are better removed than the original compounds in the carbonation/sulphitation processes.


A typical dosing to discolor a difficult and concentrated dye would be 500 ppm. (500 grams of ozone per cubic meter of effluent). When applied after biological treatment the dosing is reduced down to less than 100 ppm.



Your Attention Please! Ozone will not form sludge. So your predicament to handle those mountains of sludge will vanish … and the costs associated thereof! Chlorine must be banished in the Bleaching and colour removal processes. Ozone or Hydrogen peroxide (H2O2) can be used and do not create further pollution.


Save our Green Earth
Our Clients

Magarani Dyeing, Tirupur

Twowin Exports, Tirupur

Jamara Textiles Perundurai

Precot Meridian Ltd, Perundurai

Free Look Fashions, Perundurai

Salem Steel Plant (SAIL), Salem

Valli textiles, Tirupur

Chemtech Processors, Tirupur

Associated Industries Consumer Pvt. Ltd, Silvassa

Environmental Care Agency, Tirupur

Jyothy Laboratories, Silvassa

Jyothy Laboratories Ltd, Roorkee, Uttranchal

KKSK Tanning Company Pvt. Ltd Erode

Flowline Engineers , Bangalore

Jyothy Laboratories Ltd, Bhuvaneshwar, Orissa


Parsi Panchayat funds & Properties (Tower Of Silence) Mumbai

Valio Friction Materials India Ltd., (Gabriel Shock absorbers) Singaperumal Koil, Chennai

GE ITC Bangalore


Kalathur Foods & Beverages

Sri Gokulam medical College, Trivandrum

Shree Gayathri Aqua Minerals, Hosur

Water & Chemical Technologies, Chennai

Parle Bisleri, Mumba

St. Joseph Hospitals , (Cluny) Pondicherry

Membrane Technologies (Team Water) Chennai

Central Paper & Pulp Research Centre, Saharanpur, Haryana

Titanium Equipment and Anode Manufacturing Company Ltd, Chennai

Hotel Sunway, Pondicherry

Blue Valley Aqua Minerals, Kerala

Claire Foods & Beverages Pvt Ltd, Chennai

Ion Exchange Ltd, Hosur

Sri Aurobindo Handmade paper Industries, Pondicherry

Rain dew Minerals, Cuddalore

Neroth Agro Foods, Pvt Ltd, cochin

NEEDLE Industries, Ooty

Aquatech Solutions, Bangalore


Parle Bisleri, Mumbai

M/s Jeyanthilal Chauhan Educational & Research Trust

Dr. Alwa , Bangalore


V.B. Medicare Pvt. Ltd., Hosur

Sanmar Specialty Chemicals, Perungudi, Chennai

Nicholas Piramal India Ltd., R&D Centre, Ennore, Chennai

Nicholas Piramal, Chennai


Nagarjuna Constructions

M/S. Alba Office Automation

Mrs. Nandini Raju (Satyam Computers)

Karle Properties, Bangalore

Turiya Estate, Auroville International Township

Kadavu Resort , Kerala

Nalla Farm House, Pondicherry

Holiday Resorts, Karaikal (Pondicherry)

Catholic Club, Bangalore

Fair Pharma, Ernakulam

Beverly Kerzner, Thiruvannamalai