Heat Transfer

Heat Transfer

What do you feel in summer, hot or extremely hot? Whatever your answer, whether it is hot or cold, it refers to the same measure. When a substance is called hot, it means the level of heat is high. While if it is called cold, the level of heat is Read more…

By microwave, ago
Coal Liquefaction

Methods of Coal Liquefaction

Process of Coal Liquefaction Extraction with solvent and catalytic hydrogenation are the general division of coal liquefaction process.┬áThe mechanism of coal liquefaction processes in both processes is difficult to describe compared to other reactions because as mentioned below, coal is a complex structure. The mechanism will depend on the type Read more…

By microwave, ago
Coal Liquefaction

Introduction to Coal Liquefaction

Coal is a heterogeneous rock that is infiltrated by substances derived from natural organic materials derived from millions of years ago. The organic part contains elements of Carbon, Hydrogen, Oxygen, Sulfur, and Nitrogen. Coal is not a mixture of chemical compounds such as petroleum but rather a mixture of various Read more…

By microwave, ago
Water Treatment

Equalization Pond

In water and wastewater treatment system, the stability of flow entering the system is required. The objective of the equalization pond is to minimize or control fluctuations of wastewater characteristics to achieve optimum conditions in subsequent processing. The variation of the liquid waste stream determines the size and type of Read more…

By microwave, ago
Water Treatment

Sedimentation

Sedimentation on waste treatment plays an important role. Sedimentation is a process which aims to separate solids from a liquid so that the liquid is free of solids based on the principle of gravity. This is important because water discharged into the environment should not contain solids according to the Read more…

By microwave, ago
Travel

Boston Tea Party!

Finally, I can go to Boston. One of the cities that have a lot of story from early settlement in The Dream Land. After 2 hours driving from Windsor Locks, I finally arrived in Boston. I intentionally parked the car around Boston Fish Pier. Why? I want to walk around Read more…

By microwave, ago
Sugar

Sugar Factory or Power Plant?

Although new reserves of oil shale are still abundant, petroleum will eventually soon be exhausted. In addition, political instability in some oil-producing countries makes an erratic supply of oil. Coal reserves and heavy oil (residues), still sufficient to meet the needs of the next few years, but the resulting air Read more…

By microwave, ago