公开(公告)号：US5379902A

公开(公告)日：1995-01-10

申请号：US149270

申请日：1993-11-09

申请人： Wu-Wey Wen ,  McMahan L. Gray ,  Kenneth J. Champagne

发明人： Wu-Wey Wen ,  McMahan L. Gray ,  Kenneth J. Champagne

IPC分类号： B03B9/00 ,  B03D1/02 ,  C10L5/06 ,  C10L9/00 ,  B03B1/04 ,  B03D1/006

CPC分类号： B03D1/02 ,  B03B9/005 ,  C10L5/06 ,  C10L9/00

摘要： A single dose of additive contributes to three consecutive fine coal unit operations, i.e., flotation, dewatering and reconstitution, whereby the fine coal is first combined with water in a predetermined proportion so as to formulate a slurry. The slurry is then mixed with a heavy hydrocarbon-based emulsion in a second predetermined proportion and at a first predetermined mixing speed and for a predetermined period of time. The conditioned slurry is then cleaned by a froth flotation method to form a clean coal froth and then the froth is dewatered by vacuum filtration or a centrifugation process to form reconstituted products that are dried to dust-less clumps prior to combustion.

摘要翻译： 单一剂量的添加剂有助于三次连续的细煤单元操作，即浮选，脱水和重构，由此细煤首先以预定比例与水结合，以配制浆料。 然后将浆料与重质烃基乳液以第二预定比例和第一预定混合速度和预定时间段混合。 然后通过泡沫浮选法清洗调理的浆料，形成清洁的煤泡沫，然后通过真空过滤或离心过程将泡沫脱水，以形成在燃烧之前被干燥成无灰尘团块的再生产品。

公开(公告)号：US4867868A

公开(公告)日：1989-09-19

申请号：US200100

申请日：1988-05-31

申请人： Kenneth J. Miller ,  Wu-Wey Wen

发明人： Kenneth J. Miller ,  Wu-Wey Wen

IPC分类号： B03D1/001 ,  B03D1/02

CPC分类号： B03D1/02 ,  B03D1/008 ,  B03D1/012 ,  B03D2201/02 ,  B03D2201/04 ,  B03D2201/06 ,  B03D2203/02 ,  B03D2203/08

摘要： Pyritic sulfur is removed from coal or other carbonaceous material through the use of humic acid as a coal flotation depressant. Following the removal of coarse pyrite, the carbonaceous material is blended with humic acid, a pyrite flotation collector and a frothing agent within a flotation cell to selectively float pyritic sulfur leaving clean coal as an underflow.

摘要翻译： 通过使用腐殖酸作为煤浮选抑制剂，从煤或其他碳质材料中除去硫铁矿。 除去粗黄铁矿后，碳质材料与浮选槽内的腐殖酸，黄铁矿浮选捕收剂和起泡剂混合，以选择性地将黄铁矿硫离开清洁煤作为下溢。

公开(公告)号：US4969928A

公开(公告)日：1990-11-13

申请号：US318567

申请日：1989-03-03

申请人： Wu-Wey Wen ,  Albert W. Deurbrouck

发明人： Wu-Wey Wen ,  Albert W. Deurbrouck

IPC分类号： C10L5/06

CPC分类号： C10L5/06

摘要： A finely-divided carbonaceous material is dewatered and reconstituted in a combined process by adding a binding agent directly into slurry of finely divided material and dewatering the material to form a cake or consolidated piece which can be hardened by drying at ambient or elevated temperatures. Alternatively, the binder often in the form of a crusting agent is sprayed onto the surface of a moist cake prior to curing.

摘要翻译： 通过将结合剂直接添加到细碎材料的浆料中并使材料脱水以形成可以在环境温度或升高的温度下干燥而硬化的饼或固化片，将细碎的碳质材料脱水并重组。 或者，在固化前将通常为结皮剂形式的粘合剂喷雾到湿饼的表面上。

公开(公告)号：US4615712A

公开(公告)日：1986-10-07

申请号：US764277

申请日：1985-08-09

申请人： Wu-Wey Wen

发明人： Wu-Wey Wen

IPC分类号： C10L5/10 ,  C10L5/00 ,  C10L5/02

CPC分类号： C10L5/10

摘要： Solid fuel agglomerates are prepared of particulate coal or other carbonaceous material with a binder having a high humic acid or humate salt content. The humic acid is extracted from oxidized carbonaceous material with a mild aqueous alkali solution of, for instance, ammonia. The particulate material is blended with the extract which serves as the binder for the agglomerates. The water-resistant agglomerates are formed such as by pelletizing, followed by drying to remove moisture and solidify the humic acid binder throughout the agglomerate.

摘要翻译： 固体燃料附聚物由具有高腐殖酸或腐殖酸盐含量的粘合剂的颗粒状煤或其它碳质材料制备。 用氧化的碳质材料用例如氨的温和的碱性水溶液提取腐殖酸。 颗粒材料与作为附聚物的粘合剂的提取物共混。 形成防水凝聚体，例如通过造粒，然后干燥以除去水分并固化整个附聚物中的腐殖酸粘合剂。

公开(公告)号：US4208217A

公开(公告)日：1980-06-17

申请号：US945939

申请日：1978-09-25

申请人： John C. Anderson ,  David W. Hutchinson ,  Alvin A. Terchick ,  Wu-wey Wen

发明人： John C. Anderson ,  David W. Hutchinson ,  Alvin A. Terchick ,  Wu-wey Wen

IPC分类号： C04B14/02 ,  C04B18/12 ,  E21F15/00 ,  C04B31/30

CPC分类号： E21F15/005 ,  C04B14/022 ,  C04B18/12 ,  Y02W30/93 ,  Y10S588/901

摘要： An aqueous fine coal slurry is stabilized by (a) intimately admixing the aqueous slurry containing between about 30 and about 80 percent fine coal refuse solids by weight with a stabilizing additive comprising Portland cement and (b) allowing the admixture to harden. Preferably the stabilizing additive additionally comprises finely divided blast furnace slag. Also it is preferred that sufficient additive is added so that the slurry will harden to an unconfined compressive strength of at least about 18 psi in less than about two days of addition of the additive.

摘要翻译： 通过（a）将包含按重量计约30％至约80％的细煤垃圾固体的含水浆料与包含波特兰水泥的稳定添加剂和（b）使混合物硬化而将含水细煤浆料稳定化。 优选地，稳定添加剂另外包括细碎的高炉矿渣。 此外，优选添加足够的添加剂，使得在添加剂的添加少于约两天的时间内，浆料将硬化至至少约18psi的无侧限抗压强度。