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The distribution of trace water around brine leaks in the avery island salt mine: Implications for the natural migration of water in salt 艾弗里岛盐矿卤水泄漏周围微量水的分布:对水在盐中的自然运移的启示
Pub Date : 1988-01-01 DOI: 10.1016/0191-815X(88)90026-5
Anthony J. Tesoriero , L.Paul Knauth

The natural distribution of water in the Avery Island domal salt has been investigated by performing trace water content analysis on 64 samples collected systematically at the 210 and 270 meter levels of the International Salt Compan mine. Specific attention was given to salt near an internal shear zone which is the apparent source of several mine leaks. No discernible migration of brine into the adjacent salt was observed from the meteoric leak at the 210 m level. Extensive water enrichment (>1000 mg/kg) was limited to 30 meters from the formation water leak at the 270 m level. The water contents of coexisting samples near the formation water leak are highly variable. If water is moving from; this leak into the adjacent normal salt it is not doing so by way of a uniform diffusion process. Petrographic examination of polished salt samples reveals that fluid inclusions occur mainly in healed fractures. The water content of a sample depends on the density of such fractures. Natural movement of water in the salt appears to occur mainly through microfractures and possibly along crystal boundaries rather than by the diffusion of brine through crystals. One possible zone of enhanced water content may occur along a possible bedding plane which intersects a mine leak. This suggests that any natural movement of fluid not associated with fractured salt may occur preferentially along bedding planes. The method of brine migration under natural conditions, the occurrence of fluid inclusions (i.e., fracture vs. nonfracture-fill inclusions), and the water content of salt will be helpful in evaluating the migration of brine in response to the thermal and/or pressure gradient which will be created by the emplacement of radioactive waste.

通过对国际盐业公司在210米和270米高度系统收集的64个样品进行痕量水含量分析,研究了艾弗里岛丘状盐中水的自然分布。特别注意了内部剪切带附近的盐,这是几个矿井泄漏的明显来源。在210 m高度的大气泄漏中,没有观测到盐水向邻近盐的明显迁移。广泛的水富集(>1000 mg/kg)被限制在距离地层水泄漏处270 m的30米处。地层漏水附近共存样品的含水量变化很大。如果水从;这种泄漏进入邻近的普通盐,它不是通过均匀扩散过程这样做的。抛光盐样品的岩石学检查表明,流体包裹体主要出现在愈合的裂缝中。样品的含水量取决于这种裂缝的密度。水在盐中的自然运动似乎主要是通过微裂缝进行的,可能沿着晶体边界进行,而不是通过盐水在晶体中的扩散。沿着与矿井泄漏点相交的可能的层理平面可能出现一个可能的含水率增加的区域。这表明任何与裂缝性盐无关的流体的自然运动都可能优先沿层理面发生。在自然条件下的盐水迁移方法、流体包裹体(即裂缝与非裂缝充填包裹体)的发生情况以及盐的含水量将有助于评估放射性废物安置将产生的热梯度和/或压力梯度对盐水迁移的影响。
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引用次数: 1
4690634 Method of measuring dry substance in flue gases 4690634烟道气中干物质的测量方法
Pub Date : 1988-01-01 DOI: 10.1016/0191-815X(88)90087-3
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引用次数: 0
Hospital waste disposal system 医院废物处理系统
Pub Date : 1988-01-01 DOI: 10.1016/0191-815X(88)90063-0
Joseph H. Wilson, David N. Lasiter, Randall G. McKee
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引用次数: 2
Control of polymerization reaction 聚合反应控制
Pub Date : 1988-01-01 DOI: 10.1016/0191-815X(88)90064-2
Don W. Webb, William Bard
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引用次数: 0
Disposal barriers that release contaminants only by molecular diffusion 仅通过分子扩散释放污染物的处置屏障
Pub Date : 1988-01-01 DOI: 10.1016/0191-815X(88)90055-1
D.E. Daniel, C.D. Shackelford

Engineered barriers can slow the movement of pollutants out of land disposal facilities in several ways. If the advective velocity is low, release will be primarily by molecular diffusion. Attenuation processes also work to slow the transport of many contaminants. Barriers that cause pollutants to be released almost entirely by molecular diffusion represent the best barriers achievable. Use of thick barrier materials will maximize the breakthrough time of contaminants that diffuse through the barrier. Thin barriers with exceedingly low permeabilities will not necessarily outperform thicker, more permeable liners. In fact, if diffusion is the dominant mechanism of release, the thicker, more permeable barrier may actually outperform the thinner barrier with lower permeability.

工程屏障可以从几个方面减缓污染物从土地处理设施中流出的速度。如果平流速度低,释放将主要通过分子扩散。衰减过程还可以减缓许多污染物的输送。使污染物几乎完全通过分子扩散释放的屏障代表了可实现的最佳屏障。使用厚屏障材料将最大限度地延长扩散通过屏障的污染物的突破时间。透气性极低的薄屏障不一定优于更厚、更透气性的衬垫。事实上,如果扩散是主要的释放机制,那么更厚、更渗透性的屏障实际上可能优于渗透性更低的更薄的屏障。
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引用次数: 30
Wastewater treatment by ion exchange 离子交换法处理废水
Pub Date : 1988-01-01 DOI: 10.1016/0191-815X(88)90078-2
R.J. Eldridge
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引用次数: 0
List of contents and author index, volume 8, 1988 目录和作者索引,第8卷,1988年
Pub Date : 1988-01-01 DOI: 10.1016/0191-815X(88)90058-7
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引用次数: 0
4694282 Security monitoring system 4694282安全监控系统
Pub Date : 1988-01-01 DOI: 10.1016/0191-815X(88)90096-4
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引用次数: 0
4687584 Sludge remover and processor 4687584污泥去除机和处理机
Pub Date : 1988-01-01 DOI: 10.1016/0191-815X(88)90085-X
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引用次数: 0
A study on recovery of ammonia from hydrolysis of urea in industrial effluents 工业废水中尿素水解回收氨的研究
Pub Date : 1988-01-01 DOI: 10.1016/0191-815X(88)90005-8
Lucjan Pawłowski, Ewa Smulkowska, William J. Lacy, Alain Verdier

Nutrients can be removed from wastewater by either destruction or recovery. Ion exchange methods have been utilized by others for recovery of ammonia, nitrates, and phosphates. Urea hydrolysis requires elevated temperature and pressure along with energy inputs. However, these experiment data have shown that urea can be removed by hydrolysis utilizing the urease enzyme. The reported study covers results on hydrolysis and removal of urea wastewaters from a nitrogen fertilizer plant after concentrating the ammonia to about 11% on a weakly acidic cation exchanger then recovering the ammonium nitrate for reuse.

营养物可以通过破坏或回收的方法从废水中去除。离子交换法已被其他人用于氨、硝酸盐和磷酸盐的回收。尿素水解需要提高温度和压力以及能量输入。然而,这些实验数据表明,尿素可以通过利用脲酶水解去除。本文报道了某氮肥厂尿素废水在弱酸性阳离子交换剂上浓缩至11%左右的氨后,回收硝酸铵再利用的水解和脱除结果。
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引用次数: 0
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Nuclear and Chemical Waste Management
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