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4601780 Process of recovering aluminum etchant 4601780铝蚀刻剂回收工艺
Pub Date : 1987-01-01 DOI: 10.1016/0361-3658(87)90018-X
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引用次数: 0
4643111 Resource recovery utility 4643111资源恢复实用程序
Pub Date : 1987-01-01 DOI: 10.1016/0361-3658(87)90084-1
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引用次数: 0
8606657 Method for the recovery of valuable materials contained in lacquer residues 8606657漆器残留物中有价物质的回收方法
Pub Date : 1987-01-01 DOI: 10.1016/0361-3658(87)90079-8
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引用次数: 0
8705052 Fluidised bed process for the recovery of finely divided metals 回收细碎金属的流化床工艺
Pub Date : 1987-01-01 DOI: 10.1016/0361-3658(87)90120-2
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引用次数: 0
4622344 Recovery of ammoniacal copper with novel organogels 4622344用新型有机凝胶回收氨态铜
Pub Date : 1987-01-01 DOI: 10.1016/0361-3658(87)90074-9
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引用次数: 0
8606418 Method of dissolving and recovering noble metals 8606418溶解和回收贵金属的方法
Pub Date : 1987-01-01 DOI: 10.1016/0361-3658(87)90076-2
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引用次数: 0
Household refuse: recovery or disposal? Research for a new economic optimum 生活垃圾:回收还是处置?研究一种新的经济最优化
Pub Date : 1987-01-01 DOI: 10.1016/0361-3658(87)90063-4
Gerard E. Bertolini

The alternatives of recovery or disposal of household refuse (MSW) lead to a conflict between the logic of the classical market-economy, with decreasing returns of scale, and that of public service — often undertaken by private companies (privatisation) — with increasing returns of scale.

The problem is first considered in the same urban area. To reach the financial optimum for the municipality, one condition is a 'pay-back', for the service, to the recovery sector. It is also necessary to examine the effects of a generalisation of the pay-back solution at a macro-economic level. The result also depends on the practical rules of auction and collection (selective and extensive, or exhaustive). In addition the integration of the recovery with the disposal, and vice versa, is examined.

回收或处置生活垃圾的选择导致了传统市场经济逻辑(规模收益递减)和公共服务逻辑(通常由私营公司承担(私有化))之间的冲突,两者的规模收益递增。这个问题首先是在同一个城市地区考虑的。为了达到市政当局的最佳财务状况,一个条件是对服务和恢复部门进行“回报”。在宏观经济层面上,也有必要研究普遍化偿付办法的影响。结果还取决于拍卖和收藏的实际规则(选择性和广泛性,还是穷尽性)。此外,还研究了回收与处置的结合,反之亦然。
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引用次数: 3
Recycling of waste PVC leather and PVC urethane in the automobile industry 废旧PVC皮革、PVC聚氨酯在汽车工业中的回收利用
Pub Date : 1987-01-01 DOI: 10.1016/0361-3658(87)90057-9
Seiji Miyama

Waste plastics are low in scrap value in the automobile industry and are most difficult to dispose of for reutilization.

The waste plastics have been disposed of by incineration and reclamation as measures for preventing industrial pollution, but these measures involved various problems and quite a different idea could be successfully developed to effectively reutilize them.

The case of reutilization is introduced here.

废塑料在汽车工业中废料价值低,也是最难处理再利用的。作为防止工业污染的措施,废塑料已被通过焚烧和回收处理,但这些措施涉及到各种问题,并且可以成功地开发出一种完全不同的想法来有效地再利用它们。本文介绍了回收利用的实例。
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引用次数: 5
Value recovery from plastics waste by pyrolysis in molten salts 熔融盐热解法回收塑料废弃物的价值
Pub Date : 1987-01-01 DOI: 10.1016/0361-3658(87)90064-6
Gerard E. Bertolini , Jacques Fontaine

A low temperature (420°–480°C) of pyrolysis minimises the gaseous fraction, and allows liquid and solid fractions of high economic value to be obtained; these include light oils, aromatics, paraffin waxes and monomers.

Molten salts, with their excellent heat transfer properties, are interesting media for rapid and regular pyrolysis (problem of reaction kinetics); a eutectic has been selected. Chlorine-containing plastics are also dechlorinated almost completely (using basic salts, which are consumed in the process).

The results of laboratory tests on polyethylene, polypropylene, polystyrene and polyvinyl chloride are given.

Considering the conclusions of the experiments and the possible economic applications, further developments relating to an industrial stage are discussed.

低温(420°-480°C)热解使气态组分降到最低,从而获得具有高经济价值的液体和固体组分;这些包括轻质油、芳烃、石蜡和单体。熔融盐具有优良的传热性能,是快速规律热解(反应动力学问题)的有趣介质;共晶已被选定。含氯塑料也几乎完全脱氯(使用在此过程中消耗的碱性盐)。给出了聚乙烯、聚丙烯、聚苯乙烯和聚氯乙烯的室内试验结果。考虑到实验的结论和可能的经济应用,讨论了与工业阶段有关的进一步发展。
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引用次数: 29
Recycling of polymers 聚合物的回收利用
Pub Date : 1987-01-01 DOI: 10.1016/0361-3658(87)90003-8
W. Hawkins
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引用次数: 31
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