toxic metal Applications | Environmental XPRT

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Resin technology solutions for the metals plating industry

Ion exchange resins and synthetic adsorbents can be used in the metal plating industry to remove impurities, allowing recycling of the plating liquor. Treatment of effluents removes toxic metals, allowing safe disposal of the waste liquor.

By Purolite Corporation based in Bala Cynwyd, PENNSYLVANIA (USA).

Laser & Plasma Cutting

Laser & Plasma Cutting fumes are Unbreathable. Using laser or plasma cutting equipment on either metals or plastics introduces several known carcinogens, such as fused silica and ethyl acrylate, into the air. Occupational Health and Safety organizations recommend reducing personal exposure to the lowest level feasible. Hand held plasma cutting provides metalworkers with a quick and fast way to cut large sheets of metal material. However, plasma and oxy cutting generate a large amount of sparks, slag and fume...

By Diversitech based in Montreal, QUEBEC (CANADA).

Soldering Fume Extraction

Soldering fumes are Unbreathable. Soldering enables the joining of metal parts by melting a filler metal to attach wires and other metallic components. The fumes generated from melting solder especially solder containing Lead or Tin present are dangerous and require local ventilation to remove harmful smoke from the work area. Soldering application need to be properly ventilated to prevent toxic fumes from reaching the worker`s breathing zone. There are a number of different industries such as the electronics...

By Diversitech based in Montreal, QUEBEC (CANADA).

Metal Stabilization

In-situ geochemical fixation using a chemical reductant such as Remotox (calcium polysulfide) converts the soluble toxic metals into insoluble non-toxic compounds. Remotox has proven to be effective under a wide range of conditions. It is considered more stable and persistent than other reductants in subsurface environments, and is relatively safe to handle in the field and easy to apply.

By Graus Chemicals, LLC based in Glendale, ARIZONA (USA).

Gas detection for the steel industry

Regarded by many as providing the backbone to modern society, the steel industry is one which continues to evolve. Whether it is geographic shifts in demand or production, or challenges brought by energy or raw material costs, companies continue to develop their processes and facilities to meet them. Alongside these changes companies have also realised the requirement to minimise downtime due to unplanned maintenance and protect workers from exposure to toxic or flammable gas hazards.

By Crowcon Detection Instruments Ltd - a Halma company based in Milton Park, UNITED KINGDOM.

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Industrial wastewater solutions for stainless steel pickling wastewater

VACUDEST vacuum distillation systems. Premium technologies for stainless steel pickling. through stainless steel surface pickling processes, protecting the stainless steel from corrosion. This generates rinse water whose toxic contents make it impossible to discharge. It must either be treated or disposed of at high cost.

By H2O GmbH based in Steinen, GERMANY.

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Direct atomic absorption mercury determination in tissues and biological samples

INTRODUCTION

Mercury and its compounds are highly toxic substances fo r humans. It occurs naturally and exists in various forms: elemental (or metallic); inorganic (e.g. mercuric chloride); and organic (e.g., methyl- and ethylmercury). These forms all have different toxicities and implications for health. Among naturally occurring mercury compounds, methylme rcury exerts a significant influence (neurotoxic action) on human health.

By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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Determination of zinc in water by fluorimetric method

In accordance with WHO’s Guidelines for Drinking Water Quality there is no health-based guideline value of zinc in water concentration. Concentration of zinc in tap water can increase as a result of its dissolution from pipes. Also, elevated levels of zinc may be an indicator of increased concentrations of other toxic metals; thereby zinc in water analysis is an essential analytical task. Lumex Instruments provides sensitive and selective fluorimetric method for the measurement of mass concentration of zinc in...

By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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ph determination for soil testing

Determination of the pH value provides information about the acid or base action of the soil solution. This in turn is enormously important for the nutrient supply and microbial activity of the soil. For example, many metals (trace elements) are considerably more mobile in acidic soils. If the soil pH values are very low, toxic levels can soon be reached and these can damage the roots of plants. On the other hand, excessively high pH values quickly lead to a shortage of trace elements because of immobilization.<...

By Metrohm AG based in Herisau, SWITZERLAND.

Integrated Environmental Solutions for mining industry

Extracting the Most Value with Astute Water Management. The mining industry operates in difficult and isolated terrains where clean water is not commonly accessible. Being a key element in mining operations, a constant water supply for smooth operations is crucial. Mining also produces wastewater from the extraction process that can be high in acidity, corrosive metals and other toxic contaminants that challenges discharge standards.

By Hyflux Membranes based in Singapore, SINGAPORE.

XRF analysis for environmental applications

Niton analysers are versatile environmental testing instruments that provide valuable assistance in portable soil testing applications such as brownfield site investigation. With the ability to analyse a wide range of materials, our instruments provide lab-quality soil/sediment chemistry in seconds. Lead, arsenic, cadmium, chromium, and other toxic metals contaminate sites of former industrial and agricultural activity around the world. Whatever the reasons for these occurrences, these pollutants cannot be...

By Niton UK Limited based in Woodmancott, Winchester, UNITED KINGDOM.

Waste Management Solutions for Mining Wastes

Mining waste typically arises from the limitation of the installed technologies of an operation, e.g. where fines cannot be tolerated. They are associated with mine workings and often contain valuable and/or hazardous materials. The hazardous content, which are often the valuable fractions within this waste are typically metals. Spread of metal toxicants in association with tailings particles, through a combination of wind dispersion or if washed into the soil or rivers, can have a highly damaging effect on...

By Tetronics (International) Limited based in Swindon, UNITED KINGDOM.

XRF analysis for product testing & toy safety

Each week brings a new report of problems with toy safety and consumer product safety. Ultimately, contract manufacturers, importers, distributors, retailers and brand owners all face potential liability when they fail to comply with laws which restrict the levels of toxic materials in their products. Handheld Niton analysers provide quick and easy screening of toys and other consumer goods for lead, cadmium, mercury and other toxic metals. Importers, brand owners and retailers can implement a standardised...

By Niton UK Limited based in Woodmancott, Winchester, UNITED KINGDOM.

Cyanide Treatment with Hydrogen Peroxide

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,...

By USP Technologies based in Atlanta, GEORGIA (US) (USA).

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