Process for the manufacture of highly pure trimagnesium phosphate octahydrate of high purity
Номер патента: CA1193419A
Опубликовано: 17-09-1985
Автор(ы): Fawzy G. Sherif
Принадлежит: Stauffer Chemical Co
Опубликовано: 17-09-1985
Автор(ы): Fawzy G. Sherif
Принадлежит: Stauffer Chemical Co
Реферат: A PROCESS FOR THE MANUFACTURE OF HIGHLY PURE TRIMAGNESIUM PHOSPHATE OCTAHYDRATE OF HIGH PURITY ABSTRACT OF THE DISCLOSURE The invention is the production of crystalline tertiary magnesium phosphate octahydrate having uniform and perfect crystal shape. The process comprises adding a monomagnesium phosphate solution to a magnesium hydroxide slurry at a sufficient temperature and for a sufficient time to form the highly pure crystalline product within a specified pH range.
Process for the utilization of waste materials from electrolytic aluminum reduction systems
Номер патента: US4113832A. Автор: John N. Andersen,Norman Bell,Hung-Kei H. Lam. Владелец: Kaiser Aluminum and Chemical Corp. Дата публикации: 1978-09-12.