Silver Mercury Manufacturer in Germany

A Thorough Explanation Of Silver Mercury 2023

Raw materials

In nature, mercury is rarely encountered by itself. In the form of ores, the majority of mercury is chemically attached to other substances. Red mercury sulfide (hgs), usually referred to as cinnabar, is the most prevalent ore. 

Other mercury ores include calomel, livingstonite (hgsb4s8), montroydite (hgo), and corderoite (hg3s2cl2) (hgcl). 

When warm mineral solutions rise toward the earth’s surface as a result of volcanic activity, mercury ores are created underground. They are typically found in faulted and cracked rocks at 3–3000 feet of depth, which is rather shallow (1-1000 m).

The dumps and tailing ponds of previous, less effective mining and processing operations are additional mercury sources.

The manufacturing


When aristotle first detailed the extraction of mercury from its ore more than 2,300 years ago, little has changed. The mercury is vaporized from crushed and heated cinnabar ore. The subsequent cooling, condensing, and collection of the mercury vapor. This method can recover over 95% of the mercury included in cinnabar ore.

Below is a typical process flow for extracting and purifying mercury in the current era.


Concentrated quantities of cinnabar ore can be found at or close to the surface. Around 90% of these resources are too deep to be mined without using tunnels. Open pits can be used for the excavation of the remaining 10%.

Cinnabar is separated from the nearby rocks by explosive drilling and blasting or by the use of power tools. On conveyor belts, in trucks, or on trains, the ore is removed from the mine.


Cinnabar ore may be processed without the need for any intermediary procedures to eliminate waste because it is relatively concentrated.

One or more cone crushers are used to smash the ore first. A cone crusher consists of an exterior fixed cone and an inner grinding cone that revolves on an eccentric vertical axis. The ore is crushed into smaller bits when it is forced between the two cones at the top of the crusher.

After being crushed, the ore is further reduced in size using a number of mills. Each mill is made up of a sizable cylindrical container that is positioned on its side and rotates on its axis. 

Steel balls or small steel rods may be used to fill the mill to create the grinding motion.

A furnace or kiln is used to heat the finely ground ore. 

In some processes, ore is mechanically carried down a vertical shaft from one ledge, or hearth, to the next by slowly revolving rakes in a multiple-hearth furnace. 

In other processes, ore is tumbled down the length of a long, revolving cylinder that is inclined slightly off horizontally using a rotary kiln. In either scenario, the lower part of the furnace or kiln is where natural gas or another fuel is burned to produce heat. 

In order to allow the mercury to rise as a vapor, heated cinnabar (hgs) combines with the oxygen (02) in the air to form sulfur dioxide (so 2). Roasting is the name of this process.

Condensing the sulfur dioxide, water vapor, and other combustion byproducts rise up and out of the furnace or kiln, together with the Silver Mercury Manufacturer in Germany. It is necessary to separate and catch a sizeable proportion of fine dust that is carried by the ore that has been ground into a powder.

A water-cooled condenser is passed through by the hot furnace exhaust. The mercury, which has a boiling point of 357° c (675° f), condenses into a liquid first when the exhaust cools, leaving the remaining gases and vapors to be vented or to be further treated to lessen air pollution.

Mercury in liquid form is gathered. Due to the high specific gravity of mercury, any impurities have a tendency to float to the top and form a dingy film or scum. Filtration eliminates these contaminants, leaving liquid mercury that is 99.9% pure. 

Lime is used to treat the contaminants in order to cinnabar ore is crushed and heated to release the mercury as a vapor, which is then extracted from the ore to make mercury. The subsequent cooling, condensing, and collection of the mercury vapor.


The majority of 99.9% pure commercial-grade mercury is usable right away after the roasting and condensing procedure. For a few limited applications, higher purity mercury is required, hence it must be refined further. The cost of this ultrapure mercury is high.

A higher purity can be attained via a variety of refining techniques. The mercury may go through another mechanical filtering process, and some impurities may be eliminated by oxidizing them with chemicals or air. 

In some instances, the contaminants are removed from a tank of liquid mercury using an electrolytic method, which involves passing an electric current through it. 

By carefully raising the temperature of the liquid mercury until the impurities either evaporate or the mercury itself evaporates, leaving the impurities behind, triple distillation is the most used refinement technique. Three repeats of this distillation are done, with each time the purity getting higher.


Commercial-grade mercury is put into flasks made of steel or wrought iron and then sealed. Mercury weighs 76 lb (34.5 kg) in each flask. In order to export, higher-purity mercury is typically enclosed in smaller glass or plastic containers.

Quality assurance

Prime virgin-grade mercury is defined as commercial-grade mercury that is 99.9% pure. Triple-distilled mercury is the term for ultrapure mercury that is typically created using this process.

As foreign metals are the most frequent impurities, spot checks for their presence in the condensed liquid mercury are part of quality control inspections of the roasting and condensing process. Many chemical testing techniques are used to find the existence of base metals, gold, and silver.

Mercury that has been triple-distilled is examined by spectrographic analysis or evaporation. The mercury sample is evaporated in the evaporation process, and the residue is weighed. 

The mercury sample is evaporated in the spectrographic analysis procedure, and the residue is combined with graphite. When viewed through a spectrometer, the light produced by the resulting mixture is divided into various color bands based on the chemical elements present.

Impacts on health and the environment

Humans are extremely poisonous to mercury. Exposure can occur through ingesting, inhalation, or skin absorption. The most hazardous of the three is inhaling mercury vapor. 

Within a few hours of short-term mercury vapor exposure, one may experience fatigue, chills, nausea, vomiting, diarrhea, and other symptoms. 

Once the victim is disconnected from the source, recovery is typically finished. Shaking, irritation, sleeplessness, bewilderment, excessive salivation, and other incapacitating consequences are brought on by prolonged exposure to mercury vapor.

Under typical circumstances, the majority of exposure to mercury results from eating particular foods, such fish, in which the mercury has accumulated at high levels. 

Although the human digestive system can not absorb a significant amount of mercury, it has been demonstrated that long-term intake can have cumulative consequences.

Mercury exposure is a significantly more serious risk in industrial settings. Workers may be exposed to mercury vapor as well as direct skin contact while mining and processing mercury ore. 

Significant risks of exposure to mercury can also be caused by the manufacturing of caustic soda and chlorine. By preparing and placing mercury amalgam fillings, dentists and dental assistants may be exposed to mercury.

The use of mercury and its leakage into the environment are now subject to more stringent regulations because it is a major health risk. 

In 1988, it was calculated that human activities globally resulted in the release of 24 million lb/yr (11 million kglyr) of mercury into the air, land, and water. 

This comprised mercury discharged from various manufacturing processes, coal combustion, municipal waste disposal, mercury mining and refining, and other sources.

The environmental protection agency (epa) in the us has outlawed the use of Silver Mercury for sale in a variety of processes. 

By the year 2000, the epa wants to cut the amount of mercury found in municipal waste from 0.35 million pounds per year to 0.16 million pounds per year, down from 0.64 million pounds per year in 1989. 

This will be achieved by reducing the amount of mercury used in products and increasing the amount of mercury that is diverted from municipal waste through recycling.

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