The method using soluble calcium salt for regeneration of waste electroless nickel plating liquor, in which the lactic acid used as complexing agent and hypophosphite used as redcing agent is studied.

研究了采用可溶性钙盐对以乳酸为络合剂，次磷酸盐为还原剂的失效化学镀镍溶液的再生。

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Traditional regeneration method is to process it with acid, alkali, salt. The New method is to process it with sodium hypochlorite alkali treatment.

传统的再生方法用酸、碱、盐处理，新方法用次氯酸钠、碱处理。

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Saltaire World Heritage Site is best known for being a Victorian project in urban regeneration: a neoclassical village on the edges of Bradford, built by industrialist Titus Salt to improve the living conditions for his textile mill employees.

UNESCO: UK National Commission for UNESCO - Drunk on success: Saltaire World Heritage Site showcases its award-winning beer at Bradford Beer Festival