chemical wastewater treatment Applications

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Industrial Wastewater Treatment

by Shanghai Techase Environment Protection Co., Ltd     based in Shanghai, CHINA

Sludge Pressing, Thickening, dewatering and Solid-liquid Separation.

Wastewater treatment for the chemical and pharmaceutical industry

by Toro Equipment S.L.     based in La Cistérniga, SPAIN

Presence of colouring, additives, nonbiodegradable organic contents or presence of biological process inhibitors. Besides, they are highly corrosive which is why we manufacture our equipments using materials especially adapted to the working conditions. An effluent containing a great quantity of suspended and dissolved organic material.

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.

Wastewater treatment for the chemical and pharmaceutical industry

by Aguambiente     based in La Cistérniga, SPAIN

The water from pharmaceutical companies can cause big troubles because of the high variability in their manufacturing processes. Depending on the kind of raw materials used, the effluents may even be toxic, hence why the most conflictive effluents have to be separated from the rest and not to be sent to the general treatment.

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.

Water treatment chemicals for the distribution

by Kurita     based in Ludwigshafen, GERMANY

For dedicated markets or regions, Kurita Water Solutions works closely with retail companies, in accordance with a clearly defined distribution policy. We have established strong partnerships with these companies, who have proven to be serious and competent. We trust them as completely as our own staff.

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.

Wastewater treatment for the cosmetics industry

by DAS Environmental Expert GmbH     based in Dresden, GERMANY

The cosmetics industry accrues many kinds of wastewater. The challenge for wastewater treatment is that product lots are often changing, thus changing the composition of the wastewater. Switching to a new product lot in particular, produces large amounts of wastewater that are contaminated by surfactants, dye, oils and emulsions and high COD concentrations. In addition, wastewaters foam excessively at times.

Metal Precipitation

by Graus Chemicals, LLC     based in Glendale, ARIZONA (USA)

When used as part of a wastewater treatment program, Remotox (calcium polysulfide) can effectively reduce and precipitate a wide range of heavy metals. This product has proven effective even when treating chelated and/or complexed metals. Its unique formulation also removes chromates and dichromates without preliminary reduction of the chromium to the trivalent state.

Water treatment chemicals for the waterworks

by Kurita     based in Ludwigshafen, GERMANY

Water treatment chemicals for the waterworks.

Chemical Water Treatment for membrane treatments

by Kurita     based in Ludwigshafen, GERMANY

Membrane units, in our days are widely used in the water pre-treatment preparation and are becoming one of the most important technologies in the production of high pure water. Nevertheless they often face problems with scaling and fouling and are therefore limited by frequent maintenance, downtime and high costs. Our treatment programs are specifically designed for membrane units like reverse osmosis, ultra- and nanofiltration and enable to remove or preventive control scaling and fouling. Our main target is to run these plants under environmentally friendly and beneficial economic conditions. Special attention is given to an efficient utilization of energy as well as saving precious water. Kurita develops an efficient and effective treatment concept achieving an optimal economic operation and a maximum operational reliability of a plant.

Waste water Treatment

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

Waste water Treatment, Water Recycling

Cyanide Treatment with Hydrogen Peroxide

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

Cyanides are used in a number of chemical synthesis and metallurgical processes (as simple salts or cyanide complexes). As a class, cyanides are highly toxic and must be destroyed or removed from wastewaters prior to discharge. The most common method for treating free or simple cyanide is alkaline chlorination. However, chlorination of cyanide results in highly toxic intermediates (e.g., cyanogen chloride) and, if organic material is present, chlorinated VOC’s. These compounds, together with the residual chlorine, create additional environmental problems. Consequently, there is a growing need for alternative, non-chlorine methods for destroying cyanides. Peroxygen compounds such as hydrogen peroxide, peroxymonosulfuric acid (1), and persulfates (1) are effective alternatives to alkaline chlorination for destroying free and complexed cyanides. The choice of peroxygen system depends on the reaction time available, the desired products (cyanate, or CO2 and NH3), the types of cyanides being treated (free, weak acid dissociable, or inert), and the system economics. Treatment with Hydrogen Peroxide While hydrogen peroxide will oxidize free cyanide, it is common to catalyze the reaction with a transition metal such as soluble copper, vanadium, tungsten or silver in concentrations of 5 to 50 mg/L (2).

Related Terms for chemical wastewater treatment

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