Chemistry for Marine Engineering 10 min read
What is Reverse Osmosis?
Osmosis is a naturally occurring phenomenon and one of the most important processes in nature. It is a process where…
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Chemistry for Marine Engineering 2 min read
Water Desalination Processes
Water desalination processes separate dissolved salts and other minerals from water. Feedwater sources may include brackish, seawater, wells, surface (rivers…
Chemistry for Marine Engineering 2 min read
Caustic Soda in Water Treatment
Caustic soda (sodium hydroxide, or NaOH) is a commonly used water treatment chemical that raises the pH of water by…
Chemistry for Marine Engineering 2 min read
Alkalinity Water Treatment
The Water Quality Association defines alkalinity as the quantitative capacity of water to neutralize an acid; that is, the measure…
Chemistry for Marine Engineering 1 min read
Salinometer for Ballast Water Treatment
FunctionThe salinometer measures and supervises the salinity (salt content) by conductivity measurement in sea water. The measured value is displayed as…
Chemistry for Marine Engineering 4 min read
pH Treatment
RE300 is a rare earth-based coagulant for use in water treatment. It is mainly composed of the ionic forms of…
Chemistry for Marine Engineering 3 min read
Zeolite Process of Water Softening
Q. What is hardness of water? Describe Zeolite process for making soft water from hard water. Ans: Hardness is defined as…
Chemistry for Marine Engineering 3 min read
Lime-Soda Water Softening Process
Soda lime is a process used in water treatment to remove Hardness from water. This process is now obsolete but was very…
Chemistry for Marine Engineering 2 min read
Volatile Fatty Acids
The Australian Water Quality Centre has recently developed a new test method that provides a detailed profile of eight individual volatile acids…
Chemistry for Marine Engineering 3 min read
Nitrogen Cycle
Nitrogen is an essential element required by all organisms. In animals, nitrogen is a component of crucial organic molecules, such…
Chemistry for Marine Engineering 3 min read
CHEMICAL OXYGEN DEMAND
Chemical Oxygen Demand or COD is a measurement of the oxygen required to oxidize soluble and particulate organic matter in…
Chemistry for Marine Engineering 2 min read
Biological Oxygen Demand (BOD) and Water
Biochemical oxygen demand (BOD) represents the amount of oxygen consumed by bacteria and other microorganisms while they decompose organic matter…