Frequency Asked Questions

This page shows the questions which are asked by clients frequently. Such as are organic phosphates cost-effective, What do phosphates do and what are the corrosion problems. You can also send us your questions if you can not find answer you want below.

Content List


Q1: Are Organic Phosphates cost-effective?

A: A tiny water system is much less able to build as well as operate a conventional Fe and also Mn elimination plant. Sequestration, for that reason, has numerous advantages over conventional treatment plants. Traditional treatment needs seasoned drivers and also produces sludge throughout treatment. The cost of constructing a small elimination plant efficient in serving 200 individuals can set you back $500,000. By contrast, to establish the tools for sequestration at one well, it would cost less than $1400 per well and $5 per person annually. The price for effective polyphosphate treatment ranges between $20 as well as $40 for every 1.0 mg/L of polyphosphate per million gallons treated, depending upon the type of phosphate chosen and the vendors’ price. No waste sludge is generated. It is easy as well as requires extremely little supervision or labor.

Q2: What do phosphates do?

A: Sequestering and Chelating agents: Phosphates are often referred to as chelating or sequestering chemicals. A sequestering agent is a substance that will certainly form a water-soluble, stable metal complicated without rainfall. Iron, manganese, calcium, and magnesium kind stoichiometric (mole to mole) partnerships with the sequestrant. If the variety of moles of calcium increases, the molar amount of sequestrant required for optimum binding likewise increases.

     Corrosion Inhibition: In the late 1920’s, Dr. Ralph Hall uncovered a 100-year-old report describing the use of phosphate in water therapy. He developed the initial purposeful application of phosphate use in boiler feed water to precipitate and also manage calcium. In 1940 to 55, scientists from Calgon as well as MIT developed the performance of a 2-mg/L feed of SHMP for corrosion and range control in local systems. It was shown to respond with iron and calcium to form positively charged fragments in the vicinity of the anodes on the pipeline surface area. These very small particles are then deposited on cathodic locations by a procedure called electrodeposition. This movie lowers the rate of deterioration on the pipeline surface area. Scientists used radioactive phosphorous in tracer tests to show the existence and amount of electrodeposited film. When phosphate therapy quits rust inhibition reduces. This recommends there is a mobile stability between phosphate on the surface and also in solution. Copper corrosion was believed to not boost with either orthophosphate or polyphosphate, nonetheless, lasting therapy with mixed phosphates has shown that a mix of combined ortho and polyphosphates can substantially lower the rate of basic corrosion of copper. The synergistic result of these mixes is revealed to function yet has actually not been totally discussed.

Q3: What are the Corrosion Problems?

A: What is Water System Corrosion? The word corrosion is derived from the Latin word “rodere” meaning to gnaw. Corrosion is a natural process involving chemical or electrical degradation of metals in contact with water. The most familiar is the formation of rust when iron is exposed to water. Copper corrosion is less common but perhaps more critical since copper is regulated in drinking water. The rate of corrosion will vary depending on the acidity of the water, its electrical conductivity, oxygen concentration, and temperature. Acidic water with pH values in the range of 6 to 7 is more corrosive to the metals used in plumbing systems than alkaline water. Alkaline water however does not eliminate corrosion if the water also has high electrical conductivity. Total dissolved solids in spite of the beneficial hardness and alkalinity may contribute to the problem.