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Why are people concerned with CBM product water

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发表于 2010-1-26 04:11 | 显示全部楼层 |阅读模式
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Coalbed methane water has many adverse effects on the environment due to its high salinity,ed hardy hoodies, but that is why it important that any gas company that extracts coal seam gas needs to have a strong environmental policy as they have a responsibility to the environment as well as the community.
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- s# I0 A) c* F  [6 \3 { To take preventative and corrective measures about coalbed methane water it is important to understand why it is a concern. 2 d$ i# m& i+ G4 k, g: z

( y1 h- e. O: w/ K* F The Quantity of the CBM product water:
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: J. y0 m8 Q4 t/ O" h7 p The quantity of water that is created is a cause for concern with many as extraction of coalbed methane requires pumping large volumes of water from the saturated coal seam so that the water pressure holding the gas in the coal seam can be released. This water that is released then needs to be dealt with. Each well approximately produces 5 to 20 gallons of water per day and that means a lot of water per well.
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$ u  g% S8 u' p The effects of this water on the soil: 6 s$ _  ]2 M7 R" i2 K. E
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Coalbed methane water is moderately high in salinity hazard and often has very high sodium levels too which is a hazard based on the standards used for irrigation suitability. This water can be used for irrigation but it needs to be done under careful maintenance and care. Over time the salt in the coalbed methane water starts accumulating at the roots of the plants,polo by ralph lauren, stunting their growth.
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The sodic irrigation causes soil crusting and retards the soil hydraulic conductivity which adversely affects the water availability and the aeration which is required for the yield and growth of the crop.
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; y4 T; A; m) r  O2 a/ h" J% u5 c When the soil containing swelling clay was wetted, the sodium causes the degree of swelling of the clay to increase which leads to the dispersion and the migration of the clay particles. It has been studied that the coalbed methane water can degrade the chemical and the physical properties of the heavier clay soils which makes it completely unsuitable for future plant growth. + c/ O( |) _+ [: y! D! X& J

4 S8 a7 @$ R1 A& P* j. C' E* V Some studies have even shown the soil texture to be crusting have poor soil tilth, it is hardsetting and when the sandy loam was irrigated the sever reduction in the filtration was a cause of concern even under high irrigation from monsoon rains. There are many other factors that affect the infiltration rates of the soil like lime,cheap wilson racket, mineralogy, organic matter content, sesquiozides,juicy couture wholesale, irrigation methods,christian louboutin shoes, cultivation, wetting rates,abercrombie hoodies, prior water content and the time since the last cultivation all play a major role in the capacity to absorb water. The only way to ascertain the effects is to get samples of the soil periodically and test the irrigation rate of the soil. # @0 }7 }% {0 Q4 R
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The quality of CBM water and its effects on plants: . A8 ~/ b! p  c4 q6 i
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It is important that the disposal of the CBM water is done correctly. This the reason why the environmental policy of the gas company is very important and the company needs to make sure that the disposal is done in such a way that it does not adversely affect the plants and the environment and also this tells you the way the company is run. For more information you could visit the website of Metgasco at www.metgasco.com.au , Australia’s major natural gas supplier on the eastern shores. " M* }" l/ Y1 A3 w/ w

2 L; |' p; q1 @8 q; f. U- V High salinity in the water and also the high sodium levels in the product water may alter the settlement of non salt tolerant plants by replacing them with more salt tolerant plants like the salt cedar, leafy spurge and the Russian olive. ! A* |1 w* z: @* k% z

+ r0 s; y- u  g: I Most gas companies understand the negative impact on the environment by coalbed methane water and as per government rules they make sure their code of conduct is exemplarily.
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