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1. 发明专利

JP2004137559A Precious metal recovery method 有权
标题翻译：重金属回收方法
公开(公告)号：JP2004137559A
公开(公告)日：2004-05-13
申请号：JP2002303623
申请日：2002-10-17
申请人： Nikkiso Co Ltd , 日機装株式会社
发明人： YOSHII NAOKI , OSADA FUMIO
IPC分类号： G03C11/24 , B01J19/12 , C08J11/00 , C25C1/20
摘要： PROBLEM TO BE SOLVED: To provide a precious metal recovery method in which precious metal can be recovered from used waste plastics containing precious metal such as silver salt photographic films and electronic circuit substrates containing precious metal, the recovered precious metal can be refined at high purity, and precious metal can be recovered at low treatment cost by simplifying a precious metal recovery step, and a precious metal recovery device for performing the method.
SOLUTION: The precious metal recovery method and the precious metal recovery device comprise a heating step of heating plastic wastes containing precious metal with alkaline solution, and an electrolytic treatment step of performing electrolysis of acidic treatment solution obtained by acidic treatment of solids in a treated mixture generated in the heating step.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了提供贵金属回收方法，其中可以从包含贵金属的废旧塑料（例如银盐照相胶片和含有贵金属的电子电路基材）中回收贵金属，可以精炼回收的贵金属通过简化贵金属回收步骤，可以以低处理成本回收贵金属，以及用于执行该方法的贵金属回收装置。解决方案：贵金属回收方法和贵金属回收装置包括加热步骤，用碱性溶液加热含有贵金属的塑料废料，以及电解处理步骤，通过酸性处理固体获得的酸性处理溶液进行电解在加热步骤中产生的处理过的混合物。版权所有（C）2004，JPO

2. 发明专利

JP2003335896A Plastic waste disposal process 有权
标题翻译：塑料废物处理工艺
公开(公告)号：JP2003335896A
公开(公告)日：2003-11-28
申请号：JP2002148335
申请日：2002-05-22
申请人： Nikkiso Co Ltd , 日機装株式会社
发明人： YOSHII NAOKI , OSADA FUMIO
IPC分类号： C08J11/16 , C08J11/02
CPC分类号： Y02W30/705
摘要： PROBLEM TO BE SOLVED: To provide a plastic waste disposal process which can efficiently recover active components from the plastic wastes and can effectively inhibit decomposition of useful components and generation of harmful substances through two-stage heat-treating method employing a low heating temperature, a short processing time and an alkaline solution with a low concentration, even when high concentrations of chlorine and additives are present in the plastic wastes.
SOLUTION: The disposal process comprises a first treatment step wherein a mixture of the plastic wastes containing a chlorine-containing resin containing a carboxy group-containing additive and the alkaline solution is subjected to high-frequency heating at 100-150°C and a second treatment step wherein a mixture of the treatment residue obtained through the first treatment step and the alkaline solution is subjected to high-frequency heating at 200-250°C.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种塑料废物处理方法，其可以有效地从塑料废料中回收活性成分，并且可以通过使用低加热的两阶段热处理方法有效地抑制有用成分的分解和产生有害物质温度，短的加工时间和低浓度的碱性溶液，即使在塑料废物中存在高浓度的氯和添加剂时也是如此。解决方案：处理方法包括第一处理步骤，其中将含有含羧基的添加剂的含氯树脂和碱性溶液的塑料废料的混合物在100-150℃下进行高频加热和第二处理步骤，其中通过第一处理步骤获得的处理残留物与碱溶液的混合物在200-250℃下进行高频加热。版权所有（C）2004，JPO

3. 发明专利

JP2004123883A Process and apparatus for treating plastic waste 有权
公开(公告)号：JP2004123883A
公开(公告)日：2004-04-22
申请号：JP2002289292
申请日：2002-10-01
申请人： Nikkiso Co Ltd , 日機装株式会社
发明人： OSADA FUMIO , YOSHII NAOKI
IPC分类号： F23G7/12 , A61G12/00 , B01J19/12 , B01J21/06 , B01J35/02 , C08J11/02 , C08J11/16
CPC分类号： Y02W30/705
摘要： PROBLEM TO BE SOLVED: To provide a process for treating plastic wastes which solves the problem concerning conventional plastic waste incineration by suppressing generation of hazardous substances associated with the incineration and causing no environmental damage. SOLUTION: The process and an apparatus for treating the plastic wastes comprise a heat-treatment step wherein the plastic wastes containing sulfur and/or halogen are heat-treated with an alkaline solution and a photoirradiation step wherein a liquid matter extracted from a treated mixture treated in the heat-treatment step is exposed to photoirradiation treatment in the presence of a photocatalyst. COPYRIGHT: (C)2004,JPO

4. 发明专利

JP2005343840A Method for recovering bisphenol a 有权
标题翻译：回收双酚A的方法
公开(公告)号：JP2005343840A
公开(公告)日：2005-12-15
申请号：JP2004166785
申请日：2004-06-04
申请人： Nikkiso Co Ltd , 日機装株式会社
发明人： OSADA FUMIO , YOSHII NAOKI
IPC分类号： C08J11/14 , B01J3/00 , C07C37/52 , C07C39/16
CPC分类号： Y02W30/704
摘要： PROBLEM TO BE SOLVED: To provide a method for recovering bisphenol A, capable of recovering bisphenol A at a high conversion rate without generating dioxins and the like.
SOLUTION: The method for recovering bisphenol A comprises heating the polycarbonate dispersion liquid obtained by dispersing the recovered polycarbonate in water to 260-374°C and compressing the liquid to 20-30 MPa at the same time so as to make it subcritical state, and then cooling the resultant liquid.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：待解决的问题：提供一种能够以高转化率回收双酚A而不产生二恶英等的回收双酚A的方法。解决方案：回收双酚A的方法包括加热通过将回收的聚碳酸酯在水中分散到260-374℃而获得的聚碳酸酯分散液，同时将液体压缩至20-30MPa，以使其亚临界状态，然后冷却所得液体。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2005296768A Wasted imaging film treatment method 有权
标题翻译：废像成像膜处理方法
公开(公告)号：JP2005296768A
公开(公告)日：2005-10-27
申请号：JP2004115193
申请日：2004-04-09
申请人： Nikkiso Co Ltd , 日機装株式会社
发明人： OSADA FUMIO , YOSHII NAOKI
IPC分类号： G03C11/24 , B09B3/00 , B09B5/00 , B29B17/02 , B29B17/04 , B29K67/00 , C25C1/20
CPC分类号： Y02P10/212 , Y02W30/625
摘要： PROBLEM TO BE SOLVED: To provide a wasted imaging film treatment method by which base films and high-purity silver can be easily recovered from wasted imaging films and which has no risk of adversely affecting the environment.
SOLUTION: The wasted imaging film treatment method comprises the steps of (A) to (E) for treating waste imaging films each having a polyethylene film as a base film and a photosensitive layer containing a silver salt and collagen: (A) the step of preparing a dispersion by cutting the waste imaging films and dispersing the cuttings in water or an aqueous alkali solution, (B) the step of obtaining a solid and a liquid by subjecting the dispersion to solid/liquid separation, (C) the step of recovering polyethylene terephthalate films from the solid, (D) the step of obtaining a solid and a liquid by treating the liquid with an acid and subjecting the treated liquid to solid/liquid separation, and (E) the step of recovering silver by treating the solid obtained in step (D) with an acid and electrolyzing the treated solid.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种浪费的成像膜处理方法，通过该方法可以从浪费的成像膜容易地回收基底膜和高纯度银，并且不会对环境产生不利影响的风险。解决方案：浪费的成像膜处理方法包括以下步骤：（A）至（E），用于处理具有聚乙烯膜作为基底膜的废像素和含有银盐和胶原的感光层：（A）（D）将分散体进行固/液分离后得到固体和液体的步骤，（C）将分散体分散在固体/液体分离步骤中，从固体中回收聚对苯二甲酸乙二醇酯膜的步骤，（D）通过用酸处理液体并使经处理的液体进行固/液分离获得固体和液体的步骤，（E）通过用酸处理步骤（D）中得到的固体并电解处理的固体。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2005344033A Method for recovering polyvinyl chloride 有权
标题翻译：回收聚氯乙烯的方法
公开(公告)号：JP2005344033A
公开(公告)日：2005-12-15
申请号：JP2004166563
申请日：2004-06-04
申请人： Nikkiso Co Ltd , 日機装株式会社
发明人： OSADA FUMIO , YOSHII NAOKI
IPC分类号： C08J11/02
摘要： PROBLEM TO BE SOLVED: To provide a method for recovering polyvinyl chloride, by which the polyvinyl chloride reduced in an impurity content can be separated and recovered from a polyvinyl chloride recovery product.
SOLUTION: This method for recovering the polyvinyl chloride is characterized by heating an alkaline aqueous suspension containing a polyvinyl chloride recovery product at 100 to 160°C to recover the polyvinyl chloride.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种回收聚氯乙烯的方法，通过该方法可以从聚氯乙烯回收产物中分离和回收杂质含量降低的聚氯乙烯。解决方案：该回收聚氯乙烯的方法的特征在于，在100至160℃下加热含有聚氯乙烯回收产物的碱性水性悬浮液以回收聚氯乙烯。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2002128953A PROCESS FOR THERMALLY DECOMPOSING POLYMERIC COMPOUND 失效
公开(公告)号：JP2002128953A
公开(公告)日：2002-05-09
申请号：JP2000322983
申请日：2000-10-23
申请人： NIKKISO CO LTD
发明人： YOSHII NAOKI , OSADA FUMIO
IPC分类号： C08J11/14 , B01J3/00
摘要： PROBLEM TO BE SOLVED: To provide a thermal decomposition process which safely saturates a polymeric compound containing an unsaturated hydrocarbon without using a hydrogen gas. SOLUTION: The process for thermally decomposing a polymeric compound comprises thermally decomposing a polymeric compound, obtained by subjecting a waste plastic containing a vinyl chloride based polymeric compound to dehydrochlorination treatment, with the use of a reducing agent excluding a hydrogen gas at a temperature and a pressure which render water in the subcritical state or in the supercritical state.

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