Experimental study of the feasibility of using groundnut shell ash and ant hill powder in foundry application

P. Okonji, C. C. Nwobi-Okoye, P. Atanmo
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引用次数: 13

Abstract

ABSTRACTThe need to develop a foundry sand binder that will be less expensive and also not toxic has received great attention in recent times. Sand, which is the principal moulding material in the foundry shop, is usually prepared with binders in the production of moulds and cores. Most of the binders presently used in the foundry industry in Nigeria are imported, very expensive, though generally effective. These binders which include furan, urea and phenol formaldehyde resins are not ecofriendly and usually emit toxic air pollutants. The use of local materials as binders has not been exhaustively explored, hence the attraction to this study. This work focused majorly on the development of cost effective, ecofriendly sand materials consisting of quality silica sand (River Niger Sand), groundnut shell ash powder (GSAp) and ant hill powder (AHp) with competitive properties capable of mitigating stringent regulations on the use of materials with environmental and toxic challenges. Optimum quantities of GSAp ...
花生壳灰和蚁山粉在铸造中应用的可行性试验研究
摘要近年来,开发一种廉价无毒的铸造用砂粘结剂受到了人们的广泛关注。砂是铸造车间的主要成型材料,在生产模具和芯材时,通常与粘结剂一起配制。目前在尼日利亚铸造工业中使用的大多数粘合剂都是进口的,非常昂贵,但通常有效。这些粘合剂包括呋喃、尿素和酚醛树脂,不环保,通常会排放有毒的空气污染物。当地材料作为粘合剂的使用尚未得到充分的探索,因此这项研究具有吸引力。这项工作主要集中在开发成本效益高、环保的砂材料,包括优质硅砂(尼日尔河砂)、花生壳灰粉(GSAp)和蚁山粉(AHp),这些材料具有竞争力,能够减轻对环境和有毒材料使用的严格规定。最佳GSAp量…
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