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1. 发明专利

JP2004050158A Heavy metal immobilizing material and method for treating contaminated soil 有权
公开(公告)号：JP2004050158A
公开(公告)日：2004-02-19
申请号：JP2002238623
申请日：2002-07-17
申请人： Natoo Kenkyusho:Kk , Ohki Corp , Pokuree:Kk , 大木建設株式会社 , 株式会社ナトー研究所 , 株式会社ポクレー
发明人： TAKEUCHI HITOSHI , SHIDARA YASUO , TAKEDA MASAMICHI , SANO TAKASHI , NAKANE HIROSHI , TADA EIJI , NAITOU NANAE , NAITO HIROYUKI
IPC分类号： E02D3/12 , B09C1/02 , B09C1/08 , C09K17/02 , C09K17/08 , C09K17/12 , C09K103/00
摘要： PROBLEM TO BE SOLVED: To provide a means for processing soil contaminated with heavy metals to an immobilized compound which does not stably emit the heavy metals for a long period of time in spite of contact with a solution exhibiting a pH of 4 to 9 which acidic rain may bring by treating the soil on site of ordinary temperature. SOLUTION: The immobilizing material (S) is composed of a powdery one-pack composite composition (PS) prepared by homogeneously mixing active silica (SS) having a silanol group, reactive alumina (SA), sodium hydroxide (SN), and calcia composition (SC), and further mixing a powder addition assisting composition (ST). The soil is treated in an immobilization treatment step in which reacting/curing conditions are applied to the mixture prepared by intimately mixing the immobilizing material (S) with a device for adding water to the contaminated soil. COPYRIGHT: (C)2004,JPO

2. 发明专利

JP2003277159A Calcium silicate thermal and heat insulating material and method for manufacturing the same 有权
标题翻译：硅酸钙热绝缘材料及其制造方法
公开(公告)号：JP2003277159A
公开(公告)日：2003-10-02
申请号：JP2002078117
申请日：2002-03-20
申请人： Ask Sanshin Engineering Co Ltd , Natoo Kenkyusho:Kk , アスク・サンシンエンジニアリング株式会社 , 株式会社ナトー研究所
发明人： NAITO HIROYUKI , MOROHOSHI TSUNEJI , KASHIWAGI TOSHIYUKI , ICHIBA TOSHINOBU , OKUDA HISASHI , ICHINO TAKAYUKI
IPC分类号： C04B28/24 , C04B38/00 , C04B111/40
CPC分类号： Y02W30/95
摘要： PROBLEM TO BE SOLVED: To provide a novel calcium silicate thermal and heat insulating material which permits the reproduction and utilization of recycled powder of calcium silicate, and a method for manufacturing the same.
SOLUTION: The calcium silicate thermal and heat insulating material has an endothermic peak at 250 to 350°C in differential thermal analysis and is ≤2.0% in thermal shrinkage rate at 650°C. The calcium silicate thermal and heat insulating material is formed by adding 20 to 400 pts.mass water and 2 to 40 pts.mass binder to 100 pts.mass calcium silicate raw material powder, molding the mixture for molding obtained by mixing such mixture to a prescribed shape and curing the resultant molding. The binder is a powdery or pasty reaction product obtained by mixing 15 to 35 pts.mass aluminum hydroxide or alumina hydrate, 100 to 400 pts.mass water, and 30 to 50 pts.mass alkali metal hydroxide to 100 pts.mass calcium silicate powder.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种新型的硅酸钙热绝热材料及其制造方法，其可以再生和利用再生硅酸钙的粉末。解决方案：在差热分析中，硅酸钙热绝热材料在250-350℃下具有吸热峰，在650℃下的热收缩率≤2.0％。硅酸钙热绝热材料是通过向100盎司硅酸钙原料粉末中加入20〜400盎司水和2〜40 ts ass粘合剂形成的，将通过混合该混合物得到的模塑混合物成型为规定的形状并固化所得到的模制品。粘合剂是通过将15至35质量份氢氧化铝或氧化铝水合物，100至400份水和30至50份碱金属氢氧化物混合至100磅硅酸钙粉末而获得的粉末状或糊状反应产物。版权所有（C）2004，JPO

3. 发明专利

JP2003013061A Modifying treatment material for water-bearing mud soil 审中-公开
标题翻译：水泥泥土改性处理材料
公开(公告)号：JP2003013061A
公开(公告)日：2003-01-15
申请号：JP2001234183
申请日：2001-06-28
申请人： Natoo Kenkyusho:Kk , 株式会社ナトー研究所
发明人： NAITO HIROYUKI , NAITOU NANAE
IPC分类号： E02D3/12 , C02F11/00 , C09K17/02 , C09K17/06 , C09K17/08 , C09K17/10 , C09K17/12 , C09K17/48
摘要： PROBLEM TO BE SOLVED: To provide a modifying treatment material solving the problems that, in making a civil engineering treatment of or reusing mass-generated sludge in dams and at the bottom of the sea, sludge soil or highly water-bearing sludge or the like discharged from construction sites and water-bearing clay and the like in farmland including paddy field, mass energy consumption, environmental pollution due to harmful hexavalent chromium, impossibility of hardening in organic matter-containing soil or the like, high alkalinity given by the resultant modified soil, biological availability cycle destruction due to such high alkalinity have been involved in conventional technologies.
SOLUTION: This modifying treatment material is prepared as a powdery one-pack composite composition comprising the main components consisting of a calcia composition, an aluminum sulfate composition and an aluminum phosphate composition, and as necessary a modifying auxiliary composition. This new material thus prepared is put to contact to mix with fluid or plastic water-bearing mud soil at normal temperatures to effect treatment modification of the mud soil into nonfluid modified soil with its pH secured to
摘要翻译：要解决的问题：提供一种解决在大坝和海底的土木工程处理或重复使用大规模生产污泥的污泥土壤或高含水污泥等问题的改良处理材料从施工现场出来的含水泥土等，包括水田在内的农田，大量能源消耗，有害六价铬的环境污染，含有机物的土壤中不可能硬化等，所得到的改性剂由于这种高碱度，土壤，生物可利用性循环破坏已经涉及常规技术。解决方案：该改性处理材料制备为粉状单组分复合组合物，其包含由钙质组合物，硫酸铝组合物和磷酸铝组合物组成的主要组分，并且根据需要制备改性助剂组合物。如此制备的这种新材料在常温下与流体或塑料含水泥土混合，以将土壤的土壤修复成非流体改性土壤，其pH值固定在<11，从而使泥土成为在各种有用的应用中有效地重新用作改性土壤。还提供了如上所述的改性处理技术。

4. 发明专利

JP2011036846A Method of manufacturing moisture adsorbent, and moisture adsorbent 审中-公开
标题翻译：制备水分吸附剂和水分吸附剂的方法
公开(公告)号：JP2011036846A
公开(公告)日：2011-02-24
申请号：JP2009205258
申请日：2009-08-17
申请人： Natoo Kenkyusho:Kk , 株式会社ナトー研究所
发明人： NAITO HIROYUKI , NAITO NANAE
IPC分类号： B01J20/30 , B01J20/04 , B01J20/08 , B01J20/10 , B01J20/14 , B01J20/18 , B01J20/20 , B09B3/00 , C02F11/00 , C09K17/02 , C09K17/06 , C09K17/08 , C09K17/10 , C09K17/12 , C09K103/00 , E02D3/12
CPC分类号： Y02W30/78
摘要： PROBLEM TO BE SOLVED: To provide a moisture adsorbent which satisfies the following improved points to conventional adsorbents: (1) the low-alkalinity to environment is secured; (2) the heavy metal group including fluorine is immobilized; (3) the moisture adsorption rate of 30% or above is secured; (4) it is not re-sludged when it is brought into contact with moisture of a material to be treated; (5) the article is an anhydrous powder granule that is easy to deal with; and (6) it does not generate harmful hydrogen sulfide when it is left in nature.
SOLUTION: A method of manufacturing the moisture adsorbent includes steps of preparing a hydrous powder granularly treated material from pre-powder having a covering-coagulant added thereto by using powdered gypsum dihydrate or powdered gypsum dihydrate and a nonpolluting type adsorbent adjuvant as main raw materials and then conducting the heat dehydration treatment of the treated material to reform to a hydrous adsorbent composed of a nonpolluting type anhydrous powder granule that is inexpensive and safe based on hemihydrate gypsum as a main raw material. In the moisture adsorbent composed of the nonpolluting type anhydrous powder granule prepared by the manufacturing method, the moisture adsorbent using hemihydrate gypsum as a main ingredient secures the characteristic properties simultaneously that the moisture adsorption rate is 30% or above; the non re-sludged state is secured when it is brought into contact with water; the pH value is in a range of 6 through 8.6 and the co-existing harmful water leachable heavy metal group is immobilized within a range of environmental standard value or below.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种水分吸附剂，其满足常规吸附剂的以下改进点：（1）确保低碱度至环境; （2）固定含氟的重金属元素; （3）确保30％以上的吸湿率; （4）当与被处理材料的水分接触时，不会被排除; （5）该物品是易于处理的无水粉末颗粒; 和（6）当本身留下时，不会产生有害的硫化氢。解决方案：制造水分吸附剂的方法包括以下步骤：通过使用粉末状石膏二水合物或粉末状石膏二水合物和非污染型吸附剂佐剂作为主要原料，从预粉末制备具有覆盖 - 凝结剂的含水粉末颗粒状处理材料原料，然后对经处理的材料进行热脱水处理，重整成由以半石膏为主要原料廉价安全的无污染型无水粉末颗粒组成的含水吸附剂。在由通过制造方法制备的非污染型无水粉末颗粒组成的水分吸附剂中，以半石膏为主要成分的水分吸附剂同时确保了吸湿率为30％以上的特性; 当与水接触时，非重淤化状态得到保证; pH值在6〜8.6的范围内，共存的有害水浸出重金属固定在环境标准值以下。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2007313407A Multifunctional modifier, non-heating modification treatment method and pollution-free plant growing material 审中-公开
标题翻译：多功能改造剂，非加热改性处理方法和无污染植物生长材料
公开(公告)号：JP2007313407A
公开(公告)日：2007-12-06
申请号：JP2006144549
申请日：2006-05-24
申请人： Natoo Kenkyusho:Kk , Satogen:Kk , 有限会社里源 , 株式会社ナトー研究所
发明人： NAITO HIROYUKI , NAITOU NANAE , HAYASHI KINZO , HAYASHI TOMOYASU , TANUMA HIDEKI , TAKEMOTO TAKAHIRO , MORISHIMA SUSUMU
IPC分类号： C02F11/00 , A01G1/00 , B09B3/00 , C02F11/02 , C05F3/00 , C05F7/00 , C05F9/00 , C05F11/00 , C05G1/00 , C09K17/02 , C09K17/06 , C09K17/08 , C09K17/10 , C09K17/12 , C09K17/32 , C09K17/50 , C09K101/00
CPC分类号： Y02A40/205 , Y02A40/213 , Y02A40/214 , Y02W10/27 , Y02W30/78
摘要： PROBLEM TO BE SOLVED: To safely and inexpensively provide a recycling material capable of regenerating/utilizing phosphorous-containing incineration ash in a low enviromental load without exerting evil on the living environment by subjecting particolates of phosphorous-containing incineration ash composed of sludge iincineration ash or the like, in which water elution harmful elements coexist, to simple detoxification treatment and configuration treatment at least at ordinary temperature, thereby modifying the phosphorous-containing incineration ash iinto a bound-shaped body composed of a pollution-free type composite matrix. SOLUTION: The modification method comprises a series of working steps composed of: a blending step where phosphorous-containing incineration ash in which harmful substance is coexistent is admixed with a fixing agent and an insolubilization agent via water, so as to be a water-containing admixture; a configuration step where the water-containing admixture is subjected to working configuration, so as to be a water-containing configurated material; and an aging step where the water-containing admixture or the water-containing configurated material is left standing in an atmosphere in the range from ordinary temperature to 100°C, and is subjected to modification treatment. Further, the method is characterized in that phosphorous-containing incineration ash is added to a series of the working stages. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了安全和低成本地提供能够在低环境负荷下再生/利用含磷焚烧灰的再循环材料，而不会通过将由污泥组成的含磷焚烧灰的颗粒物施加在生活环境上，而不会对生物环境造成恶化至少在常温下进行简单的解毒处理和构造处理，从而将含有污染物的复合基体构成的结合体改性为含磷焚烧灰，。解决方案：该修改方法包括一系列工作步骤，其包括：将含有有害物质共存的含焚化灰与固定剂和不溶解剂通过水混合的混合步骤，以便成为含水混合物; 其中所述含水混合物经受工作构型的配置步骤，以便为含水配置材料; 以及老化步骤，其中含水混合物或含水构成材料在常温至100℃的气氛中静置，并进行改性处理。此外，该方法的特征在于将含磷焚烧灰添加到一系列工作阶段。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2006247645A Modification treatment agent, modification treatment method of heat history silicate and binding shape body modified it 审中-公开
标题翻译：改性处理剂，加热硅酸盐修饰处理方法和结合形状修饰体
公开(公告)号：JP2006247645A
公开(公告)日：2006-09-21
申请号：JP2005380986
申请日：2005-12-15
申请人： Natoo Kenkyusho:Kk , 株式会社ナトー研究所
发明人： NAITO HIROYUKI , NAITOU NANAE
IPC分类号： B09B3/00 , C04B41/68 , C04B41/85 , E02D3/12
摘要： PROBLEM TO BE SOLVED: To provide a technique related to a modification treatment agent capable of recycling wastes as regenerating materials in a low cost without giving burden to environment and detoxifying injurious substances in a functional technique and an environmental problem which are retained by a hydraulic solidifying agent widely used as an ordinary technique. SOLUTION: This technique provides: a "modification treatment method" for applying a detoxifying treatment and a shape forming treatment by adding a "modification treatment agent" which exceeds pH 12 modifying wastes comprised of a heat history silicate constituted with dormant components, the heat history silicate via water-based solvent, and a series of working processes which make effective use of the modification treatment agent at least at a normal temperature to the wastes coexisting with the injurious substances; and "binding shape body", in which the detoxifying treatment and the shape forming treatment are applied, as water resistance regenerating materials which are secured less than pH 10 and not be re-sludged underwater by adding the modification treatment method to the wastes coexisting with injurious materials. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够以低成本回收废物作为再生材料的改性处理剂的技术，而不会给功能性技术中的环境负荷和有害物质解毒以及由广泛用作普通技术的液压固化剂。解决方案：该技术提供：通过添加超过pH 12的“改性处理剂”来改善由休眠成分构成的热历史硅酸盐构成的废物，进行解毒处理和成形处理的“变形处理方法” 通过水性溶剂的热历史硅酸盐，以及至少在常温下有效使用改性处理剂的废物与有害物质共存的一系列工作方法; 和“结合体”，其中应用了解毒处理和形状处理，作为耐水性再生材料，其通过将改性处理方法添加到与有害材料。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2014057949A Treatment method of pollution type waste gypsum and non-pollution type gypsum composition 审中-公开
标题翻译：污染型废水和非污染型胶体组合物的处理方法
公开(公告)号：JP2014057949A
公开(公告)日：2014-04-03
申请号：JP2012220746
申请日：2012-09-14
申请人： Natoo Kenkyusho:Kk , 株式会社ナトー研究所
发明人： NAITO HIROYUKI , NAITO NANAE
IPC分类号： B09B3/00 , B01J20/16 , C04B24/06 , C04B28/02 , C04B28/14 , C09K17/02
CPC分类号： Y02W30/78
摘要： PROBLEM TO BE SOLVED: To solve the problem of requiring construction of a circulatory society for providing a non-pollution type recycling material matching for an environmental standard, as a safe material in a living environment, by inexpensively applying detoxification treatment to pollution type gypsum collected from a waste gypsum board or the like and in which fluorine, cadmium, arsenic and the like coexist.SOLUTION: Solving means of the problem in the present invention is a technology for providing a treatment method of pollution type waste gypsum for collecting non-pollution type gypsum mainly composed of any of gypsum dihydrate, gypsum hemihydrate and anhydrous gypsum existing in a low alkaline area, by utilizing a fluorine-removing treatment technology with an acid decomposition curing process, an alkalization treatment process and a volatilization process as a basic process and a fixing-insoluble treatment technology of cadmium and arsenic with a heavy metal fixation process as a basic process, and a technology for providing a non-pollution type gypsum composition effectively utilizable for a soil-stone material, a building material, a civil engineering material, a construction material and the like composed of a recycling material for exhibiting the filling function, the dispersive function, the hydraulic setting function or the like by compounding treatment for homogeneously admixing a neutral area imparting body, a water resistance imparting body, a heavy metal fixation body, a recycling body, a low alkaline hydraulic setting imparting body or a water absorption imparting body to the collected non-pollution type gypsum existing in the low alkaline area.
摘要翻译：要解决的问题：为了解决为了提供与环境标准相匹配的无污染型再循环材料，循环型社会建设作为生活环境中的安全材料的问题，通过对所收集的污染型石膏进行廉价的解毒处理来自废石膏板等，其中氟，镉，砷等共存。解决方案：本发明的问题的解决方法是提供污染型废石膏的处理方法用于收集无污染的技术作为基础工艺，利用脱氟处理技术，以酸分解固化法，碱化处理法和挥发法为基础，主要由任何存在于低碱性地区的石膏二水合物，石膏半水合物和无水石膏组成的石膏，用重金属固定法处理镉和砷的固溶不溶性处理技术作为基本过程，以及用于提供可有效地用于土石料，建筑材料，土木工程材料，建筑材料等的非污染型石膏组合物的技术，所述石膏材料，建筑材料等由用于展示填充物的再循环材料功能，分散功能，液压设定功能等通过混合处理以均匀混合中性赋予体，耐水性赋予体，重金属固定体，再循环体，低碱性液压设定赋予体或向低碱性地区存在的收集的无污染型石膏吸收吸水体。

8. 发明专利

JP2008000707A Method of reforming phosphorus-containing burned ash and pollution-free phosphorus-containing recycle material 有权
标题翻译：含磷酸钙和无污染的含磷回收材料的改造方法
公开(公告)号：JP2008000707A
公开(公告)日：2008-01-10
申请号：JP2006173967
申请日：2006-06-23
申请人： Domi Kankyo Kk , domi環境株式会社 , Natoo Kenkyusho:Kk , Penta Ocean Constr Co Ltd , 五洋建設株式会社 , 株式会社ナトー研究所
发明人： NAITO HIROYUKI , NAITOU NANAE , OGATA KAZUNARI , WAGURI SHIGEKI , YAMAUCHI HIROMOTO
IPC分类号： B09B3/00
摘要： PROBLEM TO BE SOLVED: To provide the phosphorus-containing burned ash which is produced from raw phosphorus-containing ash comprising e.g. sewage sludge containing water-leached coexisting harmful elements by reforming the ash into a pollution-free bound product at least through a simple treatment at an ordinary temperature to make harmless and shaping, as a low-cost regenerable pollution-free phosphorus recycle material which is low-load and safe to the environment. SOLUTION: The reforming method has the step of adding, preliminarily through water, a deactivator to to-be-reformed low-calcia phosphorus-containing burned ash based on silicates to form a hydrated high-calcia phosphorus-containing mixture and then adding an insolubilizer to obtain a hydrated mixture, the step of shaping the hydrated mixture into a hydrated product and the step of maturing the hydrated mixture or the hydrated product by leaving in an atmosphere at an ordinary temperature to 100°C to reform in order to make the raw burned ash harmless and shaped. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：待解决的问题：提供由含磷灰分的原料含磷灰分产生的含磷烧灰。至少通过常温下的简单处理将灰分重整成无污染的结合物，使含水浸出的共存有害元素的污水污泥作为低成本的可再生无污染的磷再生材料而成为无害化和成型低负荷，对环境安全。解决方案：重整方法具有以下步骤：通过水预先添加基于硅酸盐的待改性低钙含磷燃烧灰的失活剂，形成含水高钙含磷混合物，然后添加不溶性物质以获得水合混合物，将水合混合物成型为水合产物的步骤和通过在常温至100℃的气氛中离开水合混合物或水合产物而成熟的步骤进行改性，以便使生烧烧灰无害化，造型美观。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2008308396A Water-containing composition, utilization and treatment method, and non-polluting water-resistant treated object 审中-公开
标题翻译：含水组合物，利用和处理方法以及非污染耐水处理对象
公开(公告)号：JP2008308396A
公开(公告)日：2008-12-25
申请号：JP2007182639
申请日：2007-06-15
申请人： Natoo Kenkyusho:Kk , 株式会社ナトー研究所
发明人： NAITO HIROYUKI , NAITOU NANAE
IPC分类号： C04B28/26 , C02F1/28 , C02F11/00 , C02F11/02 , C04B7/02 , C04B7/28 , C04B12/04 , C04B14/02 , C04B14/04 , C04B14/30 , C04B14/36 , C04B18/04 , C04B22/00 , C04B24/00
CPC分类号： C04B28/26 , C04B2111/00017 , C04B2111/28 , C04B14/041 , C04B22/064
摘要： PROBLEM TO BE SOLVED: To provide a technique developed to eliminate at least at ordinary temperature, problems indicated in a cementitious or water glass type cementing material in prior art and expressed by keywords such as hexavalent chromium leaching, high alkalinity of a pH of 12 or higher; deficient pot life; non-water resistance, reduction in supply cost; hazards from water leaching of a group of contamitant harmful elements, and energy load. SOLUTION: Provided are a basal water-containing composition prepared by adding a reactive powder composition containing calcia to a binding liquid composition comprising a stable modified alkali silicate having oxy acid ions of one or more elements selected from sulfur, phosphorus, carbon, and boron and homogeneously mixing them; a utilization and treatment method comprising utilizing the basal water-containing composition as a base constituent; and a non-polluting water-resistant treated object subjected to treatment by utilizing the basal water-containing composition as a base utilization treatment agent. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供至少在常温下消除在现有技术中的水泥或水玻璃型粘合材料中指出的问题，并通过诸如六价铬浸出，高碱度的pH表示的技术 12或更高; 营养不足; 非耐水性，降低供应成本; 一些污染有害元素的水浸出的危害和能量负荷。提供了一种基础含水组合物，其通过将含有氧化钙的反应性粉末组合物添加到包含稳定的改性碱金属硅酸盐的粘合液组合物中而制备，所述碱性硅酸盐具有选自硫，磷，碳等的一种或多种元素的氧酸离子，和硼并均匀混合; 一种使用和处理方法，包括使用该基础含水组合物作为基础成分; 和通过使用基础含水组合物作为基础利用处理剂进行处理的无污染的耐水处理物。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2006290713A Method of reforming slag particle group as artificial sand, and artificial sand 审中-公开
标题翻译：作为人造沙和人造沙的重新组装方法
公开(公告)号：JP2006290713A
公开(公告)日：2006-10-26
申请号：JP2005134544
申请日：2005-04-05
申请人： Natoo Kenkyusho:Kk , 株式会社ナトー研究所
发明人： NAITO HIROYUKI , NAITOU NANAE
IPC分类号： C04B5/06 , B09B3/00 , B09B5/00 , C21B3/04 , F27D15/00
CPC分类号： Y02P10/212 , Y02P10/242 , Y02W30/542
摘要： PROBLEM TO BE SOLVED: To provide a waste slag particle group hardly consolidated into a large massive material even when being charged and left as it is in a sea area, eluted in water at pH SOLUTION: The method of making the artificial sand having pH secured in neutral zone of 5.8-8.6 in the elution in water includes: adding a reforming material comprising a granular body containing 0.2-2 pts.mass aluminum component expressed in terms of aluminum oxide and at least 5 pts.mass water based solvent into 100 pts.mass slag particle group; crushing and mixing 3 materials to form a reforming layer comprising an aluminum-containing compound on the surface of the particles of the slag particle group by the double decomposition reaction; and if necessary, dehydrating to reform the surface of the sand like slag particle group. The artificial sand reformed in this way is provided. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供几乎不固化到大块状物料中的废渣颗粒组，即使当它被装入并留在海域中时，在pH <9的水中洗脱并且不会对水体系产生不利影响环境和生态系统环境。解决方案：在水溶液中制备在5.8-8.6中性区域保持pH值的人造砂的方法包括：加入包含含0.2-2质子铝组分的颗粒体的重整材料，其表示为氧化铝和至少5点水溶剂分为100个矿渣颗粒组; 粉碎和混合3种材料，通过双重分解反应在炉渣颗粒组的颗粒表面上形成包含含铝化合物的重整层; 如果需要，脱水以改变沙子表面的矿渣颗粒组。提供了以这种方式改造的人造砂。版权所有（C）2007，JPO＆INPIT

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