What is recycle ratio?

A recycle ratio is a key profitability measure of the oil and gas industry. The ratio is calculated by dividing the profit per barrel of oil by the cost of finding and developing that barrel of oil.

What is the recycle ratio in wastewater?

Recycle ratios are typically between 1 and 20 with the total particulate flow through the boiler limited to between 2 and 3 times the fly ash flow.

What is a recycle stream?

DEFINITION. A recycle stream is one where a portion of the outlet of a process unit is combined with fresh feed and sent into the same unit again. There are several reasons one might employ a recycle stream: increase conversion of a reactant to product.

Which of the following defines combined feed ratio?

3. What is the combined feed ratio from the following? Explanation: Combined feed ratio is the ratio of the quantity of mixed feed stream to the quantity of fresh feed stream. Combined feed ratio = M/F.

What is a recycle ratio in chemical engineering?

A recycle ratio is a key profitability measure of the oil and gas industry. The ratio is calculated by dividing the profit per barrel of oil by the cost of finding and developing that barrel of oil.

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What is recycle reactor?

Recycle reactors are used when the reaction is autocatalytic, or when it is necessary to maintain nearly isothermal operation of the reactor or to promote a certain selectivity (see Section 5.6. 6).

What is recycle and purge?

A recycle stream is one where a portion of the outlet of a process unit is combined with fresh feed and sent into the same unit again. … A purge stream is one where a portion of a recycle stream is removed from the system in order to avoid accumulation of undesired material in a recycled system.

What is the difference between recycle and bypass?

Recycle stream is a term denoting a process stream that returns material from downstream of a process unit back to the process unit. Bypass stream is a stream that skips one or more stages of the process and goes directly to another downstream stage.

What is basis of calculation?

At a very basic level, basis is the cost of your business. The calculation of basis consists of your financial contributions into the company plus ordinary income and losses minus distributions (like dividends and other payouts).

Why do we purge and recycle?

Purge streams are necessary to ensure there is little to no accumulation in the system from the recycle stream feeding back into the fresh feed, preventing dilution of reactants due to waste chemicals.

What is purge in chemical engineering?

Purging is the act of removing the contents of a pipe or container and replacing it with another gas or liquid. Purging is crucial in pipeline, piping, welding and industrial process. … Purging can prevent a hazardous mixture of gas and air.

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Why do you need a purge stream?

A purge stream is a portion of a recycle stream that is withdrawn to prevent the buildup of a material that remains entirely in the recycle stream.