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Disinfectants

General description

They are liquid formulas which are designed to clean and disinfect surfaces, spaces and tools.

Suggested Uses

  • Cleaning and disinfection of waste collection bins.
  • Disinfection of drinking water.
  • Disinfection of private and public spaces.
  • Disinfection of food areas.
  • Treatment of sewage and waste water, such as urban waste water.
  • Disinfection of public and private swimming pools.

Application

Disinfectants are simple to use and do not differ from common cleaners. They are first sprayed onto the surface to be cleaned and then wiped with a mop and a bucket or with a cloth and a bucket, depending on the case.

Αbsorbent Materials

General description

They are advanced powdered materials with high absorption capacity (activated carbon, bentonite, zeolite, polymers). These materials are capable of absorbing multiple quantities, compared with their weight, of a great number of organic substances (Oils, Fuels, etc.) that must be bound and removed. They are insoluble in water, a feature that means they are fully functional in aqueous systems as well. These materials are safe for the user and no dust is observed during their use.

Suggested Uses

  • Retention and easy removal of organic compounds, such as oils and fuels, in industrial, road and aquatic spills.
  • Use in both ground and water systems.
  • Cleaning storage containers.

Application

In cases of leakage, it is proposed to drop the absorbent material around the organic substance and then onto it. Removing it can be done by using a shovel and a broom. To clean storage containers, pour a layer of absorbent material into the bottom of the container and remove it manually.

Packaging

Available in plastic buckets of 13Kg. Upon order, they can also be available in larger or smaller packages.

Deodorants

General description

They are available in liquid and solid products as well as products used in vaporization devices (gel). Deodorants are consisted of mixtures of organic substances which do not overlap the unpleasant odors but neutralize them. They act effectively against a wide range of substances that cause unpleasant odors such as sulfur-based (hydrogen sulfide, mercaptans, etc.) and ammonia. Products are not dangerous for the human health and the environment.

Suggested Uses

  • In liquid and solid waste treatment plants (eg papermaking, brewing).
  • In biological sludge treatment.
  • In garbage collection and disposal areas.
  • In rubbish bins and in public markets.
  • In composting plants.
  • In sanitary areas (toilets).
  • In pump stations and installations for treatment of liquid and solid waste.
  • In sewage drains and in sewage sludge.

Application

It is recommended high pressure spray in order to efficiently handle the unpleasant odors. ENVICHEM uses automated high-pressure atomization equipment for the best use of the product through its better dispersal, reducing operating costs and human resources. There are also products that are added to polyelectrolyte solutions in order to deodorize the dehydrated activated sludge.

Activated Carbon

General description

The activated carbon is a carbonaceous material characterized by a well-developed pore structure and a very large inner surface. These characteristics provide the active carbon with a strong adsorption capacity. Available in powder, granule form and as pellets.

Suggested Uses

  • Retention of the organic load (COD), the residual chlorine, the odorous compounds.
  • Drinking water treatment.
  • Wastewater treatment.
  • Sanitary landfill leachate treatment facilities.
  • Water treatment from Ground remediation.
  • Water dechlorination.

Application

The most common way of applying activated carbon is that of the fixed bed, or other forms of filter, through which the fluid is leaked in order to be treated.

Packaging

The material is available in paper bags of 20-25kg and in large bags of 500Kg.

Defoamers

General description

Available in silicone defoamers and in those based on fatty acid esters.

Suggested Uses

  • Treatment and reduction of foaming in wastewater treatment plants using physicochemical and biological methods.
  • Water treatment in a variety of industries such as chemical industries, papermaking and tanneries.
  • Some of the products are suitable for food treatment.

Application

Depending on the system conditions (pH, Temperature), a different dosage of the defoamer is proposed in order to solve the problem. They can be used directly or after some preparation (dissolusion) before they are provided to the aqueous system.

Packaging

Defoamers are available in varying quantities and packages according to the customer’s needs.

PH Regulators

General description

Available in acids and bases. They vary in both type of chemical compound and weight content in the original solution. The caustic soda is available in concentrations of 25, 33, 50% and the hydrochloric acid in concentrations of 31-33%.

Suggested Uses

  • As a pH regulator in liquid systems.
  • As an acidity regulator in food.

Application

It is necessary to use personal protective equipment throughout their use to avoid burns, swallowing, difficulty in breathing and eye contact.

Microorganisms

General description

Microorganisms are widely used in the biodegradation of various types of waste. They are distinguished in different categories depending on the strains they contain. They are available in solid and liquid form. The combination of microorganisms is consisted of bacteria, enzymes and trace elements that can function both in aerobic and anaerobic conditions.

Suggested Uses

  • Biodegradation of fats in waste water treatment, in wells and pump stations.
  • Biodegradation of organic substances contained in hotel wastes and food industries such as proteins, carbohydrates, fat, starches, celluloses and others.
  • Biodegradation of the organic waste water and reduction of the biological sludge.
  • Biodegradation of the olive mill wastewater, whey, paper waste and canning waste.
  • Reduction of the COD.
  • Odor control.

Application

The products of microorganisms are harmless to human health as they contain no pathogenic microorganisms, and they are not toxic and corrosive. It is recommended the usage of gloves and hand washing after each application. The dosage varies by product and by type of waste. Depending on the problem, is proposed a different way of applying these products without the need of additional equipment.

Flocculants

General description

Available in iron and aluminum based inorganic flocculants (PAC 18, Aluminum Sulphate, Iron Chloride, Iron Sulphate) and organic flocculants (DADMAC, Amines, Degradants). They are characterized by low molecular weight and high cationic load.

Suggested Uses

  • Treatment of the industrial waste water, water for industrial use, urban waste water and drinking water, aiming the destabilization of colloidal systems and the formation of flocs in order to succeed the sedimentation or flotation and final removal of the suspended solids. This is applicable in food, chemical, dyeing, paper and refinery industries.
  • Reduction of COD and turbidity.
  • Removal of phosphates and sulfur compounds.
  • Sludge condensation treatment for the better dehydration treatment.
  • Paper and paper pulp production.
  • Waste water discoloration.

Application

The application and dosage of the solution of flocculants depend on the characteristics and the type of water waste system where it will be applied. Depending on the type of flocculant and the characteristics of the process, a different process of preparation of the flocculant solution is proposed in order to optimize the performance of the system.

Packaging

The majority of products are available in packages of 25 kg, 50 kg, 150 kg, 220 kg, 1000Kg.

Polyelectrolytes

General description

Available in anionic and cationic, liquid and solid form, low, medium and high molecular weight and different load rates.

Suggested Uses

  • Agglomeration of the suspended particles for separation purposes (precipitation or flotation) and their final removal.
  • Dehydration of sludge.
  • Thickening of sludge.

Application

The application and dosage depend on the characteristics and the type of the wastewater system, where the polyelectrolyte solution will be applied. The aqueous solution should be prepared by the slow, gradual addition of the polyelectrolyte to a tank containing the required amount of water while stirring continuously.

Packaging

Available in plastic bags of 25kg and plastic packages of 25lt, 200lt and 1000lt.

Dispersants

General description

They consist of polymers which tend to inhibit the accumulation and sedimentation of particles as they improve their separation process. This avoids the precipitation of particles, such as salts, in water treatment systems.

Suggested Uses

  • To limit sedimentation of potassium, magnesium, strontium, barium, iron and calcium carbonate salts and avoid accumulation.
  • To stop the proliferation of bacteria present in water, as their biostatic action is prevented.
  • Some of the products also contain other processing agents, such as biocides, chlorine, even in variable pH conditions.

Application

Depending on the product, a different route of use is recommended for both preparation and dosing. For the calculation of the optimal dosage of products, appropriate measurements are made.

Packaging

They are available in various packages, depending on the customer’s needs.

Biocides

General description

They are products that aim at reducing the bacterial population and biological coatings in water cooling systems.

Suggested Uses

  • Microbial pollution treatment in cooling systems.

Application

Their dosage depends on different parameters, including the characteristics of the cooling system which should be taken into account when calculating the optimal dose of the product.

Packaging

Available in sealed packages of 25lt, barrels of 60 and 200lt and tanks of 1000lt.

Oxygen Scavengers

General description

They contain oxygen binding agents at high concentrations. The product is specifically designed to control and minimize corrosion caused by dissolved oxygen in feed water in steam production systems.

Suggested Uses

  • Internal protection of the boiler from corrosion due to the presence of oxygen.
  • In hot water and superficial steam – water networks.

Application

They can be fed directly or dissolved in feed water. The best feed point is in the deaereating feed tank or in feed water stream. The dosage depends on the concentration of oxygen in the feed water and the required amount of residual product that should remain in the water. For each application, studies are carried out to find the optimal dosage.

Packaging

Available in sealed packages of 25lt, in barrels of 60 and 200lt and in tanks 1000lt.

Corrosion Inhibitors

General description

They are mixtures of corrosion inhibitors for various construction materials, such as iron and copper. The goal is to delay the corrosion phenomenon, both its start and development throughout the building material.

Suggested Uses

  • Treatment of the corrosion phenomenon in cooling towers and closed water systems from salt deposits and agglomerates of suspended particles.

Application

The corrosion inhibitors can be supplied directly to the closed water system. The dosage of these products depends on the properties of each case. For each different application, studies aiming at optimal dosing are conducted.

Antiscalants

General description

They are water treatment products. The use of water in industrial processes results in the deposition of many kinds of salts (calcium, magnesium etc.), which cause many corrosion problems in water treatment systems (cooling tower, boilers) and desalination systems. Solving this problem results in less maintenance costs and increased process efficiency.

Suggested Uses

  • Removing deposits from metal walls, surfaces, minimally affecting the metal surfaces themselves, made of iron or aluminum.
  • Removing salt (mostly calcium and magnesium) deposits from water treatment systems and desalination systems.
  • Boiler water treatment in order to minimize the sedimentation and transport phenomena.

Application

The antiscalants can be supplied directly or dissolved in soft water. The best point to feed the product is in the deaereating feed tank or in the boiler water stream. The dosage depends on the characteristics of the feed water and the operating parameters of the boiler.

For Reverse Osmosis

General description

They consist of a mixture of chelating agents, wetting agents and surfactants in alkaline solution and aim at cleaning the reverse osmosis membranes from inorganic and organic deposits.

Suggested Uses

  • To prevent and reduce the precipitation effect of potassium, magnesium, strontium, barium and iron salts.
  • The product is specific for superficial water, well water, sea water or waste water.
  • For the removal of colloidal, carbonate, sulphate and fluoride deposits.

Application

It is recommended to dilute the membrane cleaning products with good quality water, recirculate the solution to the membrane system for a long time, keep the solution in the system for 1-2 hours and finally remove it using again good quality water. The temperature should be between 30-35 oC throughout the cleaning process.

For Heat Exchangers

General description

They are chemical scouring cleaners that aim at cleaning and protecting against corrosion of metal surfaces. By using these products, the corrosion of metal walls is prevented, reducing the cost of maintenance of the devices and extending their life span.

Suggested Uses

  • Removal of deposits, organic and inorganic compounds, from metal walls and surfaces.
  • Protection against corrosion of metallic surfaces due to deposits.

Application

Depending on the product that corresponds to each case, different application and different dosages are suggested. In each case the optimal dosage of the product is calculated in order to more effectively manage the problem.

For Waste Bins

General description

They are products that act as detergents, disinfectants and deodorants at the same time. The ingredients contained in the recommended dilutions are not harmful to the environment and the user. Dirt is removed from the surfaces without leaving soapy residue and the sources of odor are destroyed. They show very good germicide, fungicide, bactericide and antiviral action.

Suggested Uses

  • For the cleaning and disinfection of waste bins.

Application

During the preparation stage, dilution is required with water at a ratio of 1: 100 to 1: 200. It is suggested to use personal protective equipment.