Material balance equation

What do you mean by material balance?

A mass balance, also called a material balance, is an application of conservation of mass to the analysis of physical systems. By accounting for material entering and leaving a system, mass flows can be identified which might have been unknown, or difficult to measure without this technique.

What is material balance model?

Material balances are a method of economic planning where material supplies are accounted for in natural units (as opposed to using monetary accounting) and used to balance the supply of available inputs with targeted outputs.

What is material balance principle?

Material balance is based on the mass conservation principle which states that the sum of the weight of all inputs must be exactly equal to the sum of all outputs. Second, it helps estimate the conversion or yield of processes which serves as a measure of the efficiency of the process in mass terms.

Why material balance is important?

Material balances are important first step when designing a new process or analyzing an existing one. Thus, material balances are often compared to the balancing of current accounts. They are used in industry to calculate mass flow rates of different streams entering or leaving chemical or physical processes.

What is heat and material balance?

Material balances are typically used to describe how much material is available for each species, using variables such as the numbers of moles or the concentrations, while a heat balance is used to describe how much thermal energy is available, using variables such as the heat or the temperature.

What is economical balance?

A balanced economy suggests that economic growth is sustainable in the long-term, and the economy is also growing across different sectors – and not focused on one particular industry or area. A balanced economy has several key features. Low inflation – avoiding an unsustainable boom and bust period of economic growth.

What is meant by environmental economics?

Environmental economics is an area of economics that studies the financial impact of environmental policies. This field of economics helps users design appropriate environmental policies and analyze the effects and merits of existing or proposed policies.

What is material balance in chemical engineering?

The material balance is the fundamental tool of chemical engineering. It is the basis for the analysis and design of chemical processes. The material balance is the chemical engineer’s tool for keeping track of what is entering and leaving the process as well as what goes on internally.

What is mass balance equation?

Mass balance equations are formal statements of the law of conservation of mass, and it is no exaggeration to think of them as the “F=ma” of environmental engineering. In mass balance equations, the region in which the accounting is being done is referred to as the control volume (CV).

What is mass balance in aircraft?

In addition, because aircraft control surfaces are mounted on flexible structures like wings, they are prone to oscillate (“flutter”), a dangerous effect which can be cured by bringing the centre of gravity (c.g.) of the control surface to the hinge line. This is called mass balancing.

How is energy balance calculated?

The complete energy equation looks like this:Energy balance = energy input – energy output.Weight gain = energy input > energy output.Weight loss = energy input < energy output.

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Why is it important to have an energy balance on a chemical process facility?

The increasing cost of energy has caused the industries to examine means of reducing energy consumption in processing. Energy balances are used in the examination of the various stages of a process, over the whole process and even extending over the total production system from the raw material to the finished product.

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