Dehumidification >> Dehumidification Techniques

To overcome these technical and economic barrio of produced water desalination by conventional technologies, novel processes that renewable energy can be used are reviewed for potential application in produced water desalination. A specific feature of produced water is that a large quantity of geothermal energy could be Dehumidification Techniques co-produced during oil production. 

By deploying the low-cost energies, a considerable decline in operating cost is expected. In addition, many oil gas active areas, such as western of United States, are enriched with solar radiation. The high solar radiation intensity and the deep reservoir formation (located in southeastern New Mexico) make it feasible for deploying Dehumidification Techniques or integrating solar and coproduced geothermal energies for produced water heating and desalination. 

Desalination Process 1.2.1 Desalination Process Multi-stage flash (MSF) process Multi-stage flash process (MSF) is a water desalination process that distills salty water by flashing feed water into steam in multiple stages. Multistage Flash Desalination has a market share of over 60% of the worldwide desalination market Dehumidification Techniques and this share jumps to almost 80% in middle-east [Borsani et al., 2005]. 

The MSF process is characterized by large size of its production plants and Dehumidification Techniques high "gain ration” which means ten pounds of water could be produced form each pound of steam [Al-Enezi et al., 2006; Othmer, 1969]. Figure 1-1 gives a schematic diagram of multi-stage desalination process. As shown in the figure, a MSF desalination system includes several chambers in which pressure decreases from the first chamber to the last one. 

After salty water is heated by brine heater, it will be introduced into the first desalination chambers known as the "a stage", where the surrounding pressure is lower than that in the brine heater. Because of the pressure reduction, water will be boiled rapidly here and flashed into steam. However, Dehumidification Techniques only a small percentage of water will be converted into steam. 

The remaining water will be sent to a series of additional stages with increased vacuum. The generated steam is condensed into fresh water and Dehumidification Techniques collected as clean water. Seawater is heated in the heat exchanger by condensation of the vapor produced in each stage. The cold seawater enters into the desalination chamber in a counter flow with the waste brine and Dehumidification Techniques distillate water. 

The heat energy released from condensation is used to Dehumidification Techniques preheat the cold seawater. Multiple-effect boiling distillation is a water desalination process that salty water is boiled in a series of chambers by the submerged tubes with steam circulated inside. Figure 1-2 shows a schematic diagram of multi-effect boiling process. 

The MEB system consists of several effect cells in which the surrounding pressure and temperature decrease continuously. As shown in Figure 1-2, brine is sprayed into individual cells from the top, Dehumidification Techniques meanwhile heated steam is introduced into the tube bundles which function as "boiler”. Salty water is warmed up by the energy provided by the heated steam in the tube bundle and partly evaporates. 

The steam flows 8 into the steam tube on the top of cell which can be used for next cell’s energy source. At the bottom of each cell, Dehumidification Techniques there are two outlet exits: concentrated water outlet and condensate water outlet. The concentrated water outlet is used for draining un-evaporated water. The condensate water outlet is used to collect clean water after condensation. 

The latent heat from the water condensation could be reused to warm up feed water Dehumidification Techniques and reduce the energy consumption. Humidification-dehumidification is a heat-based desalination process involving enhanced water evaporation in the presence of flowing air and water condensation upon subsequent 9 cooling or capillary condensation. 

The typical characteristics of the humidification dehumidification process include flexible capacity, atmospheric pressure operation, and use of low-temperature energies such as solar, geothermal, and waste heat from industries. Conventionally, Dehumidification Techniques humidification dehumidification has been carried out in two separate columns, one for humidification and the other for dehumidification. 

In one aspect, it will increase the complexity of the structure of the unit Dehumidification Techniques and capital cost for construction [Bourouni et al., 1997; Nawayseh et al., 1997; Al-Hallaj et al., 1998; Dai et al., 2004; Hashemifard et al., 2004]. In another aspect, the phase-change invoked energy consumption only come from sensitivity heat carried by feed water or carrier gas limited water evaporation capacity. 

At the same time, large quantity of latent heat will be released during vapor condensation process in a separate column. Even specific designs are generally deployed to reuse the latent heat; Dehumidification Techniques only partially latent heat can be reused. To overcome the high energy consumption during the phase conversion process, the latent heat released by the dehumidification process could be deployed for feed water preheating. 

In recent years, Beckman et al.,Dehumidification Techniques has developed a Dewvaporation process in which the heat released from vapor condensation can be reused directly for water evaporation and dramatically enhances the efficacy of latent heat reuse. In the dew vaporation process, Dehumidification Techniques humidification and dehumidification occur continuously in two chambers with an internal liquid heat exchanger on the evaporation side. 

Room temperature air is used as carrier-gas to evaporate salty water Dehumidification Techniques and to form pure condensate from dew at constant atmospheric pressure. The heat needed for evaporation is supplied by the heat released by dew fall condensation on opposite side of a heat exchange wall [Hamieh et al., 2006]. This process is formed by three major parts: humidifier, where the air was drove into and humidified to saturation condition.

Condenser, where the water vapor can be condensed for clean water creation Dehumidification Techniques; and water pre-heat system, where the feed water is further heated to elevate temperature by waste energy. One limitation of the referenced desalination process is its low water recovery and high sensitivity in heat loss [Parekh et al., 2004]. 

More recently, Dehumidification Techniques a process named AltelaRain™ technology has been utilized by Altela, Inc [Bruff, 2006]. Water was evaporated in the presence of flowing air, forming humidified air. Purified water is then collected as the air is subsequently cooled. The challenge for their distillation process is the high energy intensity needed for phase conversion from liquid to gas. 

Use of latent heat recovery for improved energy efficiency has been investigated [Parekh, et al., 2004]. As a consequence of water vapor condensation, large amount of latent heat will be released Dehumidification Techniques and collected for water preheating [Hamieh, et al., 2006].

How To Promote Emergency Preparedness

Bomb Threat If you receive a bomb threat telephone call:Remain calm.Listen carefully. Be polite and show interest.Try to keep the caller talking to learn more information. If possible, Emergency Board up How To Promote Emergency Preparedness write a note to a colleague to call the authorities or, as soon as the caller hangs up, immediately   read more..

Remove A Cracked Lead Painted Tin Ceiling

Where monitoring is required for the initial determination, it may be limited to a representative number of employees who are reasonably expected to have the highest exposure levels.If your employer has conducted appropriate air sampling for lead in the past 12 months, he or she may use these result  read more..

How To Restore Smoke Damaged Pictures

Outside Surveyor/Disadvantages

1. An outside surveyor does not know the history or institutional framework in which situations exist. A consultant is unfamiliar with institutional traditions and idiosyncrasies and, as a result, may make recommendations that are unrealistic or Document restoration How To Restore Smoke Damaged Pictures ou  read more..

Water Structural Drying

What is needed to thoroughly extract the adulteration and repair the damage? Shall the entire edifice or a portion of the edifice be evacuated and, if so, for how long? Could semi porous materials be sanitized, or shall they be replaced? What are the costs of using inadequate measures to extr  read more..

Protecting Your Home

Wind can tear the roofs from buildings, rip siding from exterior walls, and throw debris through windows. Falling trees can crush roofs and walls. Of course, hurricanes and Wind Damage Protecting Your Home tornadoes generate exceptionally destructive winds that can turn buildings into piles of rubble. But high winds   read more..

Fire Damage

Any case of fire damage that the fire department or the use of fire sprinklers have been involved will require a certain amount of Dehumidification Fire Damage. When a typical fire breaks out and the fire department arrives, in almost every case water will be employed to put out the fire. The utilization of the water  read more..

Mold Mitigation

Most people would not think about their shower leaking. BUT if you have tile shower and do not routinely seal it (suggested by label on sealer) moisture or water will get thru the grout and cause Mold Remediation Mold Mitigation. Also if you natural stone in the shower or water areas then it too must be seal to prevent   read more..

Requirements In The State Of Tennessee For Crime S

Bloodborne Pathogens are biological agents, which may be present in human blood and can cause disease. Examples of bloodborne pathogens include the hepatitis B virus, human immunodeficiency virus (HIV) and the organisms, Crime Scene Cleanup Requirements In The State Of Tennessee For Crime S which cause malaria. 

  read more..

Troubleshoot An Electronic Circuit Board

Optical fiber cable assemblies consist of a combination of two or more of the following parts: optical fiber, cable, connectors, and assemblies. In most cases optical fiber is not used without some type of interconnection. Some of the test methods presented here have been developed at the GSFC Code   read more..

Tornado Cleanup

The destruction caused by a tornado can be devastating, considering a tornado can have wind speeds that reach over 300 miles an hour. People that have lived through tornado compare the power as that of an atomic bomb. Tornadoes do have the ability to completely destroy and level everything fo  read more..