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    • 47. 发明授权
    • Treatment of brines for deep well injection
    • 用于深井注射的盐水处理
    • US07681643B2
    • 2010-03-23
    • US11534627
    • 2006-09-22
    • William F. Heins
    • William F. Heins
    • E21B43/24E21B43/40B01B1/28B01D3/42C02F1/04C02F9/00
    • E21B43/24E21B43/40Y10S159/901
    • A process for conditioning of wastewater treatment brines for deep well injection during recovery of heavy hydrocarbon oils in situ. High pressure steam is used to mobilize oil, which is recovered in a mixture of oil and produced water. The produced water is pre-treated by removing residual oil. The remaining water is acidified and steam stripped to remove non-hydroxide alkalinity and non-condensable gases, and is then fed to a crystallizing evaporator, where it is evaporated from a circulating brine slurry to produce (1) a distillate stream having a trace amount of residual solutes, and (2) evaporator blowdown stream containing, as dissolved or suspended solids, substantially all of the solutes from the produced water feed. The distillate stream is used as boiler feedwater, either directly or after polishing. The evaporator blowdown is conditioned to remove substantially all suspended solids and to produce a clear brine solution for deep well injection.
    • 在原位回收重质烃油期间调节深井注入废水处理盐水的过程。 使用高压蒸汽来动员油,油在油和水的混合物中回收。 生产的水通过除去残留油进行预处理。 将剩余的水酸化并蒸汽汽提以除去非氢氧化物碱度和不可冷凝气体,然后将其送入结晶蒸发器中,从循环盐水浆液中蒸发,从而产生(1)具有痕量的馏出物流 的残留溶质,以及(2)含有溶解或悬浮固体的蒸发器排污流,基本上从生产的水进料中得到所有溶质。 馏出物流直接或抛光后用作锅炉给水。 调节蒸发器排污以除去基本上所有的悬浮固体,并产生用于深井注入的透明盐水溶液。
    • 48. 发明申请
    • PRODUCTION LINE TREATMENT FOR ORGANIC PRODUCT
    • 生产线处理有机产品
    • US20080272001A1
    • 2008-11-06
    • US12173908
    • 2008-07-16
    • Li ZhangYongchang ZhengRussell J. MacDonaldYuander A. Ju (aka Alex Ju)
    • Li ZhangYongchang ZhengRussell J. MacDonaldYuander A. Ju (aka Alex Ju)
    • G01N27/26
    • B01D61/46B01D61/445C07K1/24C12M47/12
    • A fluid from a fermentation process or the like is passed or circulated through chambers of a bipolar membrane electrodialysis unit to separate an ionizable organic acid stream and at least one co-ion or residual stream. The organic acid stream is preferably concentrated (e.g., by recirculation, dewatering or both), and a product is recovered from the concentrated stream, for example by crystallization, and other outputs from the electrodialysis unit may be integrated with overall treatment and applied elsewhere in the treatment system. Depleted feed may be returned upstream to enhance yield, condition the medium or form a by-product. Treatment systems of the invention may replace a cation exchange bed and/or various filter arrangements, and recirculation of the feed and product flows through the unit enhance recovery, separation and quality of the target species. An ED chamber may include a filling of ion exchange beads to maintain a desired operating efficiency as the feed is depleted, and the straight-through operation effectively operates as pre-filtration stage to provide downstream product-bearing flows with processing characteristics for enhanced treatment, recovery and product quality. When operated to treat a downstream waste, systems allow additional recovery of value in the form of product, unexpended nutrients, co-factors and/or other components present in the waste.
    • 来自发酵过程等的流体通过或循环通过双极膜电渗析装置的室,以分离出可电离的有机酸流和至少一种共离子或残余流。 优选浓缩有机酸流(例如通过再循环,脱水或两者),并且例如通过结晶从浓缩物流中回收产物,并且来自电渗析装置的其它输出可以与整体处理相结合并在其它地方应用 治疗系统。 消耗的饲料可以向上游返回以提高产量,调节培养基或形成副产物。 本发明的处理系统可以替代阳离子交换床和/或各种过滤器装置,并且通过该单元的进料和产物流的再循环增强了目标物种的回收,分离和质量。 ED室可以包括填充离子交换珠以在进料耗尽时保持期望的操作效率,并且直通操作有效地作为预过滤阶段进行操作以提供具有用于增强处理的加工特性的下游产品流动流, 恢复和产品质量。 当操作处理下游废物时,系统允许以产品,未用的营养物,辅因子和/或废物中存在的其他成分的形式额外回收价值。