Excretion is the process by which metabolic waste products and other toxins are eliminated from an organism’s body. These by-products of the body’s metabolism are usually in the form of liquids, gases, and solids. Examples of excretion include sweating, respiration, urination, and defecation.
The consequences for garbage dumping depend on the type of dumping and the local regulations. In many cases, the consequences can be severe and include fines, possible jail time, and cleanup costs. In some cases, the environmental damage caused by dumping can lead to costly remediation efforts and additional fines.
Alumina (Al2O3) is a compound of aluminium and oxygen. It is insoluble in water and does not react with acids or bases. However, it can be broken down into its component ions by electrolysis. In the electrolysis of alumina, the solid is dissolved in a molten solution of cryolite (Na3AlF6) and the ions are separated …
Electrolysis of alumina – അലുമിനയുടെ വൈദ്യുതവിശ്ലേഷണം Read More »
The concentration of bauxite varies greatly depending on the location in which it is found. In some places, it can be up to 60-70% aluminium oxide, whereas in others it can be as low as 30-40%. The bauxite added NaOH solution step is a process used to extract aluminium from bauxite ore. In this process, …
Concentration of bauxite – ബോക്സൈറ്റിന്റെ സാന്ദ്രണം Read More »
Aluminium is the most abundant metal on Earth. It is extracted from its ore, bauxite, by electrolysis. The process involves dissolving the bauxite in hot caustic soda and then passing an electric current through it. This causes the aluminium to be deposited as a thin layer on the anode and oxygen to be released at …
Extraction of aluminium – അലുമിനിയം വേർതിരിച്ചെടുക്കൽ Read More »
Low Alloy Steel: Low alloy steel is a type of alloy steel that has small amounts of one or more alloying elements (such as manganese, silicon, nickel, titanium, copper, chromium and aluminium) added to it. This provides improved mechanical properties and/or greater resistance to corrosion than carbon steel. Low alloy steels are used in a …
Different types of Alloy steels – വ്യത്യസ്ത തരം അലോയ് സ്റ്റീലുകൾ Read More »
Industrial production of iron involves several processes. These processes include extracting iron ore, crushing and grinding the ore to a fine powder, concentrating the ore, pelletizing the ore, and sintering or melting the ore. The steps may also involve using a blast furnace to reduce the ore to pig iron, and then transforming it into …
Industrial production of iron – ഇരുമ്പിന്റെ വ്യാവസായിക ഉത്പാദനം Read More »
Electrolytic refining is a process that is used to purify the metal and remove any impurities that may be present. The electrolytic refining process is a technique that is used to refine various kinds of metals such as copper, gold, silver, nickel, and lead. The process starts with the metal being cast into an anode, …
Electrolytic refining – വൈദ്യുതവിശ്ലേഷണ ശുദ്ധീകരണം Read More »
Distillation refining is a process used to purify metals by separating them into their individual components. It involves heating the metal to a high temperature and then cooling it rapidly to cause the different compounds to separate. This process is used to remove impurities from the metal and create a more pure product.
Liquation is a refining process used for separating impure metals. It is most commonly used for the refining of lead and its alloys. In this process, a metal is heated in a crucible until its liquid state is attained. Impurities contained in the metal will be more soluble in the liquid state and will thus …