综述了国内外石蜡加氢精制工艺技术的现状，介绍了典型的工艺流程。
The present status of wax hydrofining technology was summarized and typical processes were introduced.
文章介绍了超正压射孔与加砂压裂联作的工艺技术原理、技术特点、工艺流程，以及该联作技术在白马庙气田的应用。
The article introduces the principle, features and procedures of joint operation techniques of overpressure perforating and sand fracturing, and its application in Baimamiao gas field.
介绍三聚氰胺装置废水处理系统的工艺流程、工艺技术要求和废水系统试车运行情况。
The process flow, process technological requirements and trial-run of the effluent system are described of the effluent treatment system of the melamine unit.
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