Hardness Monitoring Applications

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  • Category: Water & Wastewater ×

  • Subcategory: Hardness Monitoring ×

Sand and Dust control/stabilisation

by Technical Absorbents     based in Grimsby, UNITED KINGDOM

PermeatecDS is a unique polymer technology developed by TAL and is aimed specifically at the control of dust and stabilisation of loose, granular materials. PermeatecDS can be applied to such materials – as an aqueous surface spray – to control dust and provide a hard, durable surface. In addition, it can be mixed directly with loose, granular material to provide a solid block of material. PermeatecDS is a complex acrylate-based polymer system, designed to be dispersed in water, aiding application and improving safety/handling. The polymer is able to coat and bind loose materials, forming a complex web of interlocking particles and polymer, which – when dried – form a hard, durable material. The ability to change application rates, provides the user with precise control and allows stabilisation levels, strength and durability to be tailored as required.

SONARtrac - Dredging - Hopper Vessels

by CiDRA     based in Wallingford, CONNECTICUT (USA)

Soil density, hardness, lithology, and sediment particle size distribution can create slurry of variable makeup and density. At a constant pump speed, the slurry will have a variable flow velocity, which is undesirable and potentially dangerous. If the velocity is too low, there is a risk of sand outs in the pipeline. If the velocity is too high, the pump will wear and be inefficient. Traditional velocity flow meters with wetted parts are prone to wear, causing measurement inaccuracies, and require frequent, costly replacements. In addition, the presence of entrained gases may disturb the readings of traditional flowmeters and cause slurry density measurements to be inaccurate.

Measurement solution for siloxane monitoring in biogas and landfill

by Protea Limited     based in Middlewich, UNITED KINGDOM

The generation of electricity from municipal digesters and land fill is of increasing interest, as the biogas can allow for a form of renewable energy. Organosilicon compounds often find their way into land-fill or digester gases as siloxanes. Siloxanes are low-level hazards to the atmosphere in terms of their emissions, however when they are combusted in gas engines the hard silica that is produced is very harsh to the moving parts of the gas engine.

PTR-TOFMS systems for automotive real-time vehicle exhaust analysis

by Ionicon Analytik Ges.m.b.H.     based in Innsbruck, AUSTRIA

Monitoring exhaust gas from combustion engines, emitting a large number of different compounds and with rapidly changing concentrations due to variations in operating conditions, necessitates an instrument that measures in real-time and with high sensitivity – an IONICON PTR-TOFMS.

Cooling tower water treatment

by Aquatech International Corporation     based in Canonsburg, PENNSYLVANIA (USA)

The fresh water requirement for a cooling tower in a typical coal-based power plant is approximately 80% of the total consumption of water. These concentrated cooling water blowdown streams are extremely rich in silica, are characterized by higher hardness levels and include other organic loads. Aquatech has vast experience in recycle/reuse solutions for cooling tower blowdown and cooling tower water treatment. 

Phosphonate Testing in Hard Water

by WAT Australia Pty.Ltd.     based in West Australia, AUSTRALIA

Testing phosphonates in hard water can be difficult due to interference from high levels of calcium. Here we present a phosphonate test method for hard water samples. The method is based on a chemical masking of the calcium. The WAT hard water phosphonate test uses C30 Spectrophotometer to measure the chromogen PMB and digital thermoreactor to digest the phosphonate compound. The thermoreactor capacity of 16 simultaneous vials provides for running critical data quality assurance samples.

Industrial water softening

by PuriTech Ltd     based in Herentals, BELGIUM

The presence of certain metal ions in water causes a variety of problems. These ions interfere with the action of soaps, lead to build up of limescale, which can foul plumbing, boilers, heating equipment. Water softening is the removal of calcium, magnesium, and certain other metal cations in hard water. The resulting soft water extends the lifetime of plumbing and heating equipment. Softening of low TDS ( Total Dissolved Solids ) water is done commonly with a Strong Acid Cation ( SAC ) exchange resin operating in the sodium form and regenerated with brine. PuriTech`s latest development is a very performant continuous ion exchanger, based on PuriTech`s innovative ION-IX technology which is based on true counter-current ion exchange.

Monitoring surface water for wastewater treatment industry

by Pollution & Process Monitoring Ltd     based in Sevenoaks, UNITED KINGDOM

Pollution Risk: Surface water encompasses storm water derived from hard standing areas, river water and reservoirs. All types of surface water are at risk from ingress of pollution and therefore need to be monitored. On-line continuous monitoring can identify and alarm pollution so corrective action can be taken

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