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Toyota Motor Corp
Original Assignee
Toyota Motor Corp
Toyota Jidosha Kogyo KK
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Filing date
Publication date
Application filed by Toyota Motor Corp, Toyota Jidosha Kogyo KKfiledCriticalToyota Motor Corp
Priority to JP10378482ApriorityCriticalpatent/JPS58223473A/ja
Publication of JPS58223473ApublicationCriticalpatent/JPS58223473A/ja
Publication of JPS6334796B2publicationCriticalpatent/JPS6334796B2/ja
Removal of amorphous or partially dissolved silicon from aq. treatment soln. - by subjecting soln. collected in vessel to pressure-driven membrane filtration and returning silicon-free filtrate to treatment soln.