chemical waste treatment Applications

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Chemical Water Treatment for waste water

by Kurita     based in Ludwigshafen, GERMANY

Kurita develops products and solutions for the waste water treatment to improve the water quality and respect the legislation and the environment. Due to increased environmental sensitivity and today’s legislative restrictions, most industrial plants which use water already have wastewater treatment plants. The different Kurita Technologies carefully adapts to the needs of each plant through the optimization and improving the water quality and reducing your operating costs. Improve the water reuse in your facilities and work closely with our customers to reduce the discharges to a minimum level is one of our main targets.

Waste water Treatment

by HPI Processes, Inc.     based in Telford, PENNSYLVANIA (USA)

Waste water Treatment, Water Recycling

Wastewater Treatment for the Chemical industry

by HydroThane STP BV     based in KC `s Hertogenbosch, NETHERLANDS

In addition to the food industry, biological anaerobic and aerobic technologies can be applied in the chemical and pharmaceutical industry as well.

Typical for the chemical and pharmaceutical waste water is the high organic pollution, which is often limited to only a few components that can be present in high concentration. Every production site has its own unique effluent composition.

This type of effluents require tailor-made solutions. The Upflow Anaerobic Sludge Blanket (UASB) process and the External Circulation Sludge Bed (ECSB) process from HydroThane are worldwide proven processes for the treatment of this type waste water.

Some chemical /pharmaceutical production processes where anaerobic technology has been applied are:
- Purified Terephthalic Acid (PTA)
- Phenol
- DMT
- Penicillin
- Insulin.

Water treatment systems for chemical industry

by Weidner Ireland Ltd     based in IRELAND

The effluents that accrue in the cleaning process of silo vehicles and containers for transportation of raw materials for the chemical industry, are highly complex and constantly changing in the composition of wastewater. Flocculation as the prior art of treatment for chemical waste water can not remove many of the completely dissolved invisible substances. Thus, the residual stresses are evident despite high claritv of the `Treated effluent` is often well above the levels witch are applicable for wastewater in domestic environments.

Hazardous waste treatment solutions for chlorine industry

by econ industries GmbH     based in Starnberg, GERMANY

The mercury cell process is a formerly widely-used production technique for the production of chlorine and caustic soda. The liquid metal, mercury, acts as cathode (negative pole) in this process. In the past, the loss of mercury during the process (to air, soil and water) led to serious health and environmental problems. Therefore, most European chlorine producers have decided to phase out the mercury cell process by 2020. Nevertheless, even today, almost 6000 tons of mercury is used per year for chlorine production in Europe alone. As a result of this, yearly waste outputs contain around 1200 tons of mercury, which are stored on-site or sent off for disposal.

Waste recovery for petrochemical wastes

by Tetronics (International) Limited     based in Swindon, UNITED KINGDOM

Traditionally, the Petrochemical Sector has operated with basic technological solutions, with ultimate reliance on High Temperature Incineration (HTI) and landfill in order to deal with their hazardous wastes. However, tightening regulation, increasing landfill costs and social responsibilities are driving companies to look at alternative methods of treatment of very challenging wastes, including the treatment of:

Petrochemicals, Waste Water Treatment, Gold Refinery, Gasification

by Gowrishankar Chemicals Pvt Ltd     based in Tumkur, INDIA

We like to introduce ourselves as leading manufacturers of granular activated carbon used in water and waste water treatment. We have modern plant to manufacture this product to Indian & International specification. We are an ISO9001-2008 company duly certified by BVQI. Over 70% of our production ( 3000 tpy) is being exported to Europe, US, Gulf countries, African countries, far east (Korea) & South America. Our clients include Calgon, Chemviron, Desotec, ESLI, HSC, CarboTech, ect. In India we are exclusive suppliers to Reliance Industries Ltd to their various refining complexes. We manufacture over twenty grades for various applications besides water and waste water treatment like in gold recovery, catalyst support, gas mask carbons, impregnated carbons, NBC carbons, condensate polishing carbon, etc. We request you to register our names for your requirement of activated carbon and send us your valued enquiries. Kindly visit us at www.gcarbon.com

Water treatment chemicals for the manufacturing industry

by Kurita     based in Ludwigshafen, GERMANY

In all industrial sectors, productivity and economic efficiency are the main factors for sustainable success. Reliable and durable production plants together with their cooling, boiler and waste water systems therefore play an important role. For more than 60 years, Kurita has specialized in water and process treatment. Our 5,200 employees work on behalf of our customers worldwide in a variety of industrial fields. Our individual treatment concepts and competent service help ensure the safe and economical operation of their facilities.

Water treatment chemicals for the automotive industry

by Kurita     based in Ludwigshafen, GERMANY

Immense global competition has compelled the automobile industry to optimize processes and improve energy efficiency. Continuous and effective production processes are key factors to meeting these challenges. Kurita is your competent partner for all questions concerning water and waste water management as well as paint detackifying. With more than 60 years of experience, we offer the most technically up-to-date water and process treatment solutions. Our highly qualified engineers will gladly advise you on how to increase plant lifecycle and reduce energy costs.

Chemical filtration in lacquers for the recycling industry

by atech innovations gmbh     based in Gladbeck, GERMANY

In the field of waste water treatment atech membranes are used, for example, for the filtration of cleaning chemicals (surface treatment), for cell separation after biological processes, or for the recycling of paints and lacquers

Water Treatment for Personal Care / Water Treatment for Cosmetics

by B & V Water Treatment     based in Daventry, UNITED KINGDOM

B & V Effluent Services has been helping the cosmetics and personal care industry with their waste water management for a number of years. This has allowed B & V Effluent Services to develop a specific skill set and technical knowledge to help us provide excellent solutions to a number of blue chip companies within this industry. Modern manufacturing production systems have been developed to use cleaning water more efficiently however this water for a variety of reasons brings about a series of challenges when discharged as part of a sites effluent. B & V Effluent Services experience within this industry enables us to provide solutions to all manner of issues as well looking to optimise systems and save money for our clients wherever possible.

Waste gas treatment for the TFT industry

by DAS Environmental Expert GmbH     based in Dresden, GERMANY

Manufacturing TFT/LCD displays requires waste gas treatment as well. Processes that produce large scale Thinfilm Transistors (TFT) on glass substrates, for instance, use Chemical Vapour Deposition – CVD – to separate the thin films onto the material. The process requires cleaning the process chamber periodically and usually employs etching with NF3. Etching of the separated thin films typically utilises CF4, SF6 and chlorinated gases, which release large amounts of waste gas mixtures.

Waste water treatment / Sludge management

by PBS Velká Bíteš, a.s.     based in Velká Bíteš, CZECH REPUBLIC

PBS Velká Bíteš develops and manufactures machines for the separation of solid and suspended particles from liquids. The so-called "Decanter Centrifuges" can be used for a wide range of applications: from separation of municipal and industrial sludge in waste water treatment plants, through food and chemical industries up to agriculture. In the area of separation, we offer not only the decanter centrifuges themselves, but also the related services, including servicing of third-party equipment.

Water treatment chemicals for the food & beverage industry

by Kurita     based in Ludwigshafen, GERMANY

The food and beverage industry is suffering from severe economic pressure. Efficient and continuous production processes are therefore business critical. By choosing Kurita concepts for your cooling water, boiler water and waste water plants as well as your reverse osmosis systems and autoclaves – all of which are specially adapted to your needs – you opt for economic and ecological treatment, leading to more productivity and cost-efficiency.



Water treatment chemicals for the steel and coke industry

by Kurita     based in Ludwigshafen, GERMANY

The many production facilities within the steel industry, e.g. the blast furnace, converter, continuous caster, hot and cold strip mills and the coke oven plant require immense quantities of water for the cooling circuits and for gas scrubbing. During the last few years, the majority of steel plants have managed to significantly reduce freshwater usage per ton of steel through water recycling and process optimization. However, the high water quality standards required for the water circuits and regulations for waste water remain unchanged, resulting in an increased demand for professional water treatment.

Biological wastewater processes for chemical & pharmaceutical

by Biowater Technology     based in Cumberland, RHODE ISLAND (USA)

This waste stream can have complex characteristics: Biocides, heavy metals, pharmaceutical intermediates and endocrine disruptors. We are familiar and know how to marry appropriate treatment to make sure you are compliant.

Biofiltration

by AquaBiotec     based in Paris, FRANCE

Biological Aerated Upflow Filtration (BAF) for high efficient Waste Water Treatment in Chemical & Pharmaceutical Industry with more than 20 reference plants and more than 20 years of experience

Filtration in waste water treatments. disinfection

by Sistema Azud, S.A.     based in Alcantarilla, SPAIN

The cost and efficiency of the waste water treatment is directly linked to the amount of suspended solids in the water.
The addition of an AZUD System allows:

  • Increased efficiency of the treatment equipment.
  • Decreases the quantity of chemicals used.
  • Avoids the “shadowing effect” created by larger particles in UV disinfection systems.

Hazardous waste treatment solutions for site remediation

by econ industries GmbH     based in Starnberg, GERMANY

The contamination of soils as a result of prior chemical production can often be unpredictable and diverse. The majority of such pollutants will require an ex-situ treatment method. Many of our VacuDry units can be used for direct-feeding contaminated soils. To reduce the input amount for thermal treatment, the VacuDry units can also be used in combination with soil-washing plants: In this case, customers only feed the high polluted fractions and screened fines (e.g. below 10 mm), as well as the filter-cake from the soil washing process. However, we are able to handle soil contaminated with mercury, hydrocarbons, PAH, PCB, dioxins, furans, organic-lead compounds and many more. VacuDry plants for on-site ex-situ remediation projects are delivered in a modular design.

Headworks Odor and Corrosion Control Using Hydrogen Peroxide

by USP Technologies     based in Atlanta, GEORGIA (US) (USA)

Hydrogen Peroxide typically controls odors and corrosion at treatment plant headworks by direct oxidation of hydrogen sulfide (H2S) within the wastewater. In the direct oxidation mode, H2O2 is applied to the wastewater 5-30 minutes prior to the point where the odors are being released, generally as the wastewater line enters the plant boundary. The efficiency of hydrogen peroxide treatment depends upon the available reaction time, the level of iron in the wastewater (reaction catalyst), wastewater pH and temperature, and the initial and target levels of H2S odor. Under optimal conditions, effective dose ratios are 1.2 - 1.5 parts H2O2 per part dissolved sulfide, and can be reliably estimated through beaker tests. H2O2 + H2S → S0 + 2H2O Frequently, control of odors through the primary clarifiers is wanted. In such case, the mechanism of control is both direct oxidation of H2S (as it rises from the solids blanket), and prevention of odor generation (by supplying dissolved oxygen). Control is typically achieved with a booster dose of 1-2 mg/L H2O2 added to the clarifier influent. Higher doses or alternate modes of addition may be required in cases where: 1) hydraulic retention times are > 2-3 hours; 2) solids blanket depths are > 1-2 feet; 3) soluble BOD levels are > 200-300 mg/L; or 4) waste activated sludge is co-settled with the primary solids. 2H2O2 → O2 + 2H2O

Related Terms for chemical waste treatment

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