| 31. | Henri Dreyfus at British Celanese developed a methanol carbonylation pilot plant as early as 1925.
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| 32. | The site was used a pilot plant for a new production process using hydrogen sulphide.
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| 33. | The Salt Wells Pilot Plant was closed in 1954.
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| 34. | The pilot plant came on stream in May 2015.
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| 35. | The Agrol pilot plant, which also experienced management and financial difficulties, shut down in 1938.
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| 36. | By 1949, the pilot plant employed over 700 people.
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| 37. | This concept was then tested in 1976 and a pilot plant constructed at Gulfport, Mississippi.
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| 38. | That material, he said, is heading for the Waste Isolation Pilot Plant in New Mexico.
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| 39. | The firm recently completed construction of its first pilot plant at The Stanford Research Institute.
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| 40. | Libby helped with the engineers from Kellex to produce a workable design for a pilot plant.
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