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Application and Advantages of Membrane Separation Technologies in Food Industry

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Application and Advantages of Membrane Separation Technologies in Food Industry

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Micro filtration

Microfiltration is used as pre-treatment before ultra-filtration or reverse osmosis. It removes the suspended particles and colloidal and reduce the rate of fouling in subsequent ultra-filtration or reverse osmosis process.

Exp:

1.       Removal of oil droplets and fat globules

2.       Removal of bacteria from milk

3.       Pre-treatment of cheese whey.

4.       Removal of suspended solids and fat present in the brine used in fish processing and cheese making

5.       Pre-filtration of wastewater streams generated in food processing.

Ultra-filtration

Ultra-filtration is used in dairy industry mainly for two purposes which is production of protein concentrates from whey and cheese from milk. Another example of application for food industry.

Exp:

1.       Clarification of apple juice.

2.       Rejection of polyphenols and Brown color (discoloration) in apple juice.

3.       Clarification of Hot tea extract.

Nano-filtration

The important application of Nano-filtration is water softening where retention of bivalent ions of Ca and Mg produces hardness free water. Example of application of Nano-filtration is,

Exp:

1.       Purification of lactic acid and amino acids in Silage juice

2.       Desalination of soy sauce.

3.       Demineralization of whey.

Reverse osmosis

Reverse osmosis is used for water purification, recovery of sugar from candy, recovery of oil-seed protein, concentration of dilute solution

Exp:

1.       Concentration of apple juice

2.       Dealcoholization

3.       Retention of carboxylic acids.

Electro dialysis

The principal applications of electro dialysis are demineralization, desalting, acidification or de-acidification of liquid foods.

Exp:

1.       Demineralization of skim milk

2.       Stabilization of Sherry wines

3.       Lactic Acid recovery from lactic acid solution.

4.       Citrate recovery from aqueous solution.

Advantages membrane separation technologies in food industry

1.       Membrane separation processes can be used as alternatives to conventional processing methods in a way that the formers assist more economic production and better-quality products in terms of both technological functionalities and nutrition value.
2.        Membrane separation processes are considered green technology due to their higher efficiency in energy usage and the winging away from using chemicals and additives, which is both better for environment and human health.

3.       There is no phase change, so the loss of volatile components such as aromatic substances is less, and the original fragrance can be maintained. Compared with the separation method with phase change and other separation methods, the energy consumption is low. When separating water, the cost is about half of evaporation concentration or freezing concentration.
# amalienajamali

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Age: 23 years old
Hometown: Cheras, Kuala Lumpur
Hobby: reading
Passion: stay positive and be happy

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NARISSA ALYA SYAHIRAH BINTI MOHD SAIFFUL REDZWAN 

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NARISSA ALYA SYAHIRAH BINTI MOHD SAIFFUL REDZWAN 

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Age: 20
Hometown: Kota Kinabalu, Sabah
Hobby: Listening to music
Passion: stay adventurous

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Age: 23 years old
Hometown: Ijok, Selangor.
Hobby: Sleep
Passion: Love to travel with friends and exploring new things.

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The ideal solvent for a particular extraction may not be easily obtained. The costs for procuring said solvent may be high due to several factors such as scarcity of the solvent.

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Yeayy

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Factor that affecting leaching process:
1- Increasing the particle size will decreasing the leaching rate
2- Solute need more soluble in the solvent then the rate of leaching will be more increase.
3- Temperature increase, rate of leaching increase.
4- As the particles in the solvent are being distribute homogenously, the rate of leaching process increase
5- As surface area increase, the contact area for the particle and  the solvent also increase. Thus, leaching rate rises.
6- Increase in the rate of movement of the solution past the surface will not, therefore, greatly affect the rate of extraction
7- The leaching effectiveness depends on the efficiency of the microorganisms. The maximum yield of leaching can be achieved only when the leaching conditions in optimum growth conditions of the bacteria (microorganisms)
8- Increase in the rate of movement of the solution past the surface will not, therefore, greatly affect the rate of extraction
9- Extensive cell rupture occurs during grinding, allowing more direct contact between solvent and solute and more rapid dissolution and diffusion
10- The rate of leaching varies as it depends on structural form of crystal that cause different leaching difficulty as different bonding forms, between different atoms in the structure.

- amal
- aini
-riema
-narissa
-haiqal

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Application and Advantages of Membrane Separation Technologies in Seawater Desalination

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Application and Advantages of Membrane Separation Technologies in Seawater Desalination

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Application Seawater desalination

- The key technology in the desalination process is Reverse Osmosis. Reverse osmosis removes contaminants from seawater when the pressure forces it through a semipermeable membrane. Reverse Osmosis uses pressure differences to effectively separate fresh water from its briny counterpart. Seawater permeates through the membrane, most of the dissolved impurities is removed and 99.5% of the total salt is removed.

Benefits RO in seawater desalination

- This method is effective because it has the highest water recovery factor, the least amount of energy consumed, and the least amount of water cost of any traditional procedure. Membrane operations are useful for industrial production due to their inherent properties: They are simple to scale up, modular, and generally athermal; they do not entail phase shifts or chemical additions; and they typically have low energy consumption, the possibility for more rational raw material usage, and the opportunity for byproduct recovery and reuse. The modular design makes maintenance less subjective. Aside from that, RO desalination facilities help to minimise energy demand and the environmental footprint.

-Syarfariema-

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Application of Membrane Separation Technology in Oil & Gas Industries and its Benefits.

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Application of Membrane Separation Technology in Oil & Gas Industries and its Benefits.

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Application of Membrane Separation Technology in Oil & Gas Industries.

In oil and gas operation, oilfield wastewater have become an environmental concern. Conventional technologies are used for the treatment of water that include, clarification of water, disposable filter and dissolved air flotation. The treatment of produced water involved stages that removes the bulk oil and gas as well as the other coarse particle, polishing treatment and removes dissolved matters and gases.

Benefits/Advantage of Produced Water Technologies in Oil & Gas Industries.

In produced water technologies, high recovery is desirable to decrease the water volume and disposal. Other advantage are its abilities in producing high-quality product and flexibility on system design, such as flexibility where it can handle high difference in water quality and quantity. As a result, high performance and separation can be enhance.

-narissa-

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Application and Advantages of Membrane Separation Technologies  In PETROCHEMICAL INDUSTRIES

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Application and Advantages of Membrane Separation Technologies  In PETROCHEMICAL INDUSTRIES

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Applications:
In the petrochemical industry, olefins such as ethylene and propylene are the most important chemicals used for the production of polyolefins such as polyethylene, polypropylene, styrene, ethyl benzene, ethylene dichloride, acrylonitrile, and isopropanol. An important step in the manufacture of olefins is large-scale separation of the olefin from the corresponding paraffin. Furthermore, dehydrogenation, oxidative coupling of methane, steam reforming of methane and water gas shift reaction are some important reactions in petrochemical industry.
Petrochemical waste streams may contain phenolic compounds or aromatic amines. They are highly toxic and at high concentrations are inhibitory to biological treatment. Membrane aromatic recovery system (MARS) is a relatively new process for recovery of aromatic acids and bases.

Benefits:

The technology behind membrane gas separation is potentially an energy-saving one, because the separation process takes place without phase transition.

It is also better for the environment, since the membrane approach requires the use of relatively simple and non-harmful materials.

The systems have a low capital cost, compact size, modular configuration, and low specific power consumption, which reduce the production cost

It is a clean process and requires simple and inexpensive filtration.

The process is continuous and the membranes do not require regeneration, unlike the adsorption or the absorption processes, which require a regeneration step leading to the use of two solid beds or a solvent regeneration unit

-syah nazhif-

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Application and Advantages of Membrane Separation in Wastewater Treatment 

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Application and Advantages of Membrane Separation in Wastewater Treatment 

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One of the wastewater treatment technologies that have seen a major boost over this period is membrane technology. Membrane technology has grown significantly in the last couple of decades due to the benefits it offers in water and wastewater treatment. With significant reduction in the size of equipment, energy requirement and low capital cost, membrane technology offers many prospects in wastewater treatment.
Pressure driven membrane processes are by far the most widely applied membrane processes in wastewater treatment, from pretreatment to post-treatment of wastewater. These processes rely on hydraulic pressure to achieve separation.

-aini

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Age: 21
Hobby: Watching tv series
Hometown: Kulai, Johor