How to calculate alkali consumption in alumina production

Introduction How to calculate alkali consumption in alumina production? The alkali consumed in the Bayer process is reconstituted with liquid caustic soda. Generally speaking, the calculated alkali consumption is the amount of alkali replenished in the cycle divided b

How to calculate alkali consumption in alumina production

The alkali consumed in the Bayer process production process is reconstituted with liquid caustic soda. Generally speaking, the calculated alkali consumption is the amount of alkali replenished in the cycle divided by the alumina production, which is the unit alkali consumption. This cycle should be greater than the alkali replenishment cycle of the specific plant and is preferably calculated as an integer multiple of the alkali replenishment cycle.

There is also a statistical method which is calculated based on the index difference of the whole process and separately checks the red mud alkali loss, additional loss, additional loss of product and loss through leakage. This is a test. Measuring and testing the level, usually the calculated value is not as accurate as that calculated based on the amount of alkaline supplement.

What are high consumption products?how much energy?

The formula for calculating the alkalinity of boiler water is JD=C(V1+V2)/VS×1000 (mmol/L) .

Take 100 ml of water sample and add two drops of phenolphthalein indicator to make it pink. Use a standard 0.01 sulfuric acid solution to make it colorless. Then save two drops of methyl. orange indicator. 0.01 drop of standard sulfuric acid solution turns orange and record the consumption. Boiler water alkalinity measurement method: Use a clean suction ball to collect 100 ml of transparent water sample and place it in an Erlenmeyer flask. phenolphthalein indicator. If the solution is red, use 0.1 mmol/L sulfuric acid standard solution to titrate until it becomes colorless, record the acid consumption volume V1, then add 2 drops of indicator of methyl orange, continue to titrate with indicator de phenolphthalein. acid standard solution until it turns orange-red, record the acid consumption volume V2 a second time (volume V1 is not included here).

Formula for calculating acid and alkali consumption for regeneration of yin and yang beds

Energy-intensive products refer to items manufactured in energy-intensive industries.

The six major energy-consuming industries mentioned in the “National Statistical Report on Economic and Social Development 2010” are: manufacturing of chemical raw materials and chemical products, non-mineral products industry metals, the ferrous metal smelting and rolling industry. and non-ferrous metals Metal smelting and rolling industry, petroleum processing and coking and nuclear fuel industry, energy production and supply industryelectrical energy and heat.

How to reduce the acid and alkali consumption of water treatment

Acid and alkali consumption calculation formula of the regeneration of the yin and yang beds: added quantity of regenerant = resin volume * useful exchange capacity of the resin * theoretical consumption of acid and alkali * specific consumption/1000.

This is the equipment necessary for condensate polishing. It is generally used in medium and large units to treat condensate. The whole system is called condensate polishing. The resin required for fine processing is placed in a mixed bed to treat the condensate. When the resin fails, the resin should be transported to the separation tower to scrub the layers, separate the anion resin and cation resin, and then transport them to. the anode and the anode tower respectively.

Mixed bed

This isfill the anion and cation exchange resins in the same ion exchanger according to a certain mixing ratio since the H and OH ions entering the water are immediately. Water molecules generated after mixed ion exchange with a very low degree of ionization can allow the exchange reaction to proceed very thoroughly. The mixed bed is usually installed after the first stage compound bed to further purify the water quality. When waterIt can also be used alone when the quality requirements are not high.

Reference for the above content: Baidu Encyclopedia - Yin Bed

You can use acid-base titration to measure the pH of your water, then calculate the amount of acid. is used for each cubic meter of water. Neutralizing with an alkali can reduce the addition of numbness and result in waste.

Or, if you add opposing water, such as acide, you can add alkaline water to neutralize the following in advance

< p>You may be able to transport waste lime from the construction site and use it as alkali

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