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公开(公告)号:US4634532A
公开(公告)日:1987-01-06
申请号:US780044
申请日:1985-09-25
CPC分类号: C02F5/145 , C02F5/105 , C02F5/125 , C02F1/441 , C02F2103/08
摘要: The instant invention is directed to a process for the control of scale formation and deposition in thermal or reverse osmosis membrane desalination plants, comprising adding to the water 0.1 to 100 ppm of (a) a water soluble orthophosphate and (b) at least one compound selected from the group consisting of water soluble polycarboxylates, phosphonates, phosphates, sulfonates and polyamides.
摘要翻译: 本发明涉及一种用于控制热或反渗透膜脱盐设备中的水垢形成和沉积的方法,包括向水中加入0.1至100ppm的(a)水溶性正磷酸盐和(b)至少一种化合物 选自水溶性多羧酸盐,膦酸盐,磷酸盐,磺酸盐和聚酰胺。
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公开(公告)号:US4346017A
公开(公告)日:1982-08-24
申请号:US131583
申请日:1980-03-19
CPC分类号: B01B1/04
摘要: Use of low saponification number vegetable and mineral waxes as boiler water antifoams.
摘要翻译: 使用低皂化值的植物和矿物蜡作为锅炉水消泡剂。
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