Hydrochloric acid

TL-107 – Pump Choice Supports Continuous Production at Hitachi

Reprinted from ENGINEER’S DIGEST FOCUS ON FACILITIES In addition to an ultra-clean environment, the fabrication of high quality silicon wafers — submicron integrated circuits — requires dependable equipment to ensure continuous production. So, you can imagine the concern when maintenance personnel at Hitachi’s wafer fabrication facility in Irving, Texas, discovered that original pumps were not […]

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TL-119 – Pumping Solder Flux

Reprinted from PUMPS AND SYSTEMS MAGAZINE Unique plastic pump distributes solder flux onto printed circuit boards Pumping solder flux that contains 5% hydrochloric acid is a troublesome service. A unique plastic pump that uniformly distributes the flux onto printed circuit boards (PCBs) is critical to the performance of the horizontal solder leveling system developed by

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TL-130 – PVC Tank/Pump Systems Handle Corrosive Waste

Reprinted from POLLUTION ENGINEERING INTERNATIONAL A manufacturer of military equipment faced a difficult waste-handling problem because of the many corrosive electroplating and metal finishing solutions held in the processing areas. Extreme temperature variations and environmental elements also were of concern. Site temperatures ranged from slightly below freezing to 44°C. Some of the waste collection sumps

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TL-161 – Pump Material Selection Guide: NaOH Sodium Hydroxide/NaOCl Sodium Hypochlorite

Reprinted from World Pumps Guide to the selection of materials for pumping NaOH and NaOCl This third article in an on-going series on the selection of materials for pumping corrosive, abrasive and hazardous chemicals considers the challenges presented by the caustic alkali sodium hydroxide and its close relative sodium hypochlorite. George Black looks at the

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TL-172 – Critical selection factors for thermoplastic pumps

Pumps Play Critical Role in Zero Discharge Reprinted from Pumps & Systems Ken Comerford The pumps used in the recovery system behind this nickel/chromium plating operation must handle acidic and alkaline plating and cleaning solutions over a broad pH range, commingled chemical waste streams, and DI high purity water recovered from the ion exchange system.

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