WO2013102414A1 - 一种含有无定形二氧化硅的生物质的综合利用方法 - Google Patents

一种含有无定形二氧化硅的生物质的综合利用方法 Download PDF

Info

Publication number
WO2013102414A1
WO2013102414A1 PCT/CN2012/087604 CN2012087604W WO2013102414A1 WO 2013102414 A1 WO2013102414 A1 WO 2013102414A1 CN 2012087604 W CN2012087604 W CN 2012087604W WO 2013102414 A1 WO2013102414 A1 WO 2013102414A1
Authority
WO
WIPO (PCT)
Prior art keywords
biomass
amorphous silica
pyrolysis
containing amorphous
comprehensively utilizing
Prior art date
Application number
PCT/CN2012/087604
Other languages
English (en)
French (fr)
Inventor
张岩丰
曹民侠
李宏
饶麒
Original Assignee
武汉凯迪工程技术研究总院有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 武汉凯迪工程技术研究总院有限公司 filed Critical 武汉凯迪工程技术研究总院有限公司
Priority to MX2014008256A priority Critical patent/MX352675B/es
Priority to RU2014132182/05A priority patent/RU2579447C2/ru
Priority to CA2860482A priority patent/CA2860482A1/en
Priority to KR1020147021609A priority patent/KR20140116185A/ko
Priority to SG11201403802PA priority patent/SG11201403802PA/en
Priority to IN1528MUN2014 priority patent/IN2014MN01528A/en
Priority to AU2012364501A priority patent/AU2012364501B2/en
Priority to EP12864234.5A priority patent/EP2801552A4/en
Priority to JP2014550624A priority patent/JP2015504036A/ja
Publication of WO2013102414A1 publication Critical patent/WO2013102414A1/zh
Priority to US14/324,058 priority patent/US9403687B2/en

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/126—Preparation of silica of undetermined type
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/02—Silicon
    • C01B33/021—Preparation
    • C01B33/023—Preparation by reduction of silica or free silica-containing material
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer

Definitions

  • the invention belongs to the field of biomass application, and in particular relates to a comprehensive utilization method of biomass containing amorphous silica.
  • the technical problem to be solved by the present invention is to provide a comprehensive utilization method of biomass containing amorphous silica.
  • the technical solution adopted by the present invention is:
  • a comprehensive utilization method of biomass containing amorphous silica characterized in that it comprises the following steps:
  • Calcination is carried out in the presence of oxygen to obtain amorphous silica.
  • the biomass containing amorphous silica is a chaff, mainly a rice husk.
  • the comprehensive utilization method includes the step A: pickling and drying the biomass before pyrolysis, or step B : The biomass is pickled and dried after pyrolysis.
  • the pickling and drying treatment of the biomass before pyrolysis can be carried out by changing the metal element into a soluble metal compound salt and washing it off, thereby achieving the main purpose and reducing the long-chain organic matter of the biomass to facilitate the next pyrolysis reaction. Going on.
  • the pickling and drying is to add biomass to the pickling solution, soaking at room temperature for 8 to 24 hours or Soak at 80 ⁇ 100 °C for 2 ⁇ 6 hours, then wash to neutral and dry.
  • the pickling solution is hydrochloric acid, sulfuric acid or nitric acid; the mass concentration of the pickling solution is preferably 3% to 10%. .
  • the pyrolysis temperature is 500 to 1000 °C.
  • the pyrolysis gas contains one of CO, CO 2 , H 2 , CH 4 , C 2 H 2 , C 2 H 4 , C 2 H 6 , C 3 H 8 , C 3 H 10 Or a variety.
  • the calcination is calcined in an air atmosphere; the calcination temperature is 500 to 800 °C.
  • the hot flue gas generated in the calcination process is sent to a pyrolysis step to recycle heat.
  • the biomass containing the amorphous silica is further washed with water to remove impurities.
  • the biomass containing amorphous silica is first subjected to anaerobic pyrolysis, and cellulose, hemicellulose, lignin, etc. in the biomass are subjected to pyrolysis to generate a recyclable pyrolysis gas such as combustion power generation. Or to obtain pure syngas without destroying the structure of the amorphous silica; then performing aerobic calcination, and further burning and removing the residual carbonaceous impurities to obtain a higher value amorphous nano-oxidation Silicon, the biomass containing amorphous silica is used to a greater extent, the process design is clever and simple, making full use of the heat in the biomass, high energy conversion rate, environmental protection and energy saving.
  • Embodiment 1 is a schematic view showing the process of Embodiment 1 of the present invention.
  • Figure 2 is an SEM image of Embodiment 1 of the present invention.
  • Fig. 3 is an XRD chart of Example 1 of the present invention.
  • the rice husk is washed with simple water to remove impurities such as dirt from the rice husk and soaked in hydrochloric acid with a concentration of 10%. After an hour, it is washed repeatedly until the pH of the washing liquid is near neutral; then it is dried in a dry box at 100 °C to a constant weight.
  • the dried rice husk is conveyed to the pyrolysis furnace through a screw conveyor in an oxygen-free environment at 600 °C. Pyrolysis, the generated pyrolysis gas is sent to the subsequent purification treatment device for standby, or directly sent to the gasification furnace for gasification to produce synthesis gas for subsequent supply and demand, or sent to the boiler for combustion and power generation.
  • the pyrolyzed solid product is sent to the calciner to control the temperature of the calciner to be maintained at 650 °C.
  • the calcination is carried out in an air atmosphere, and the hot flue gas generated by the calcination is introduced into the pyrolysis furnace to provide heat to the pyrolysis furnace, and the calcined solid product, ie, the rice husk ash, is ground to obtain amorphous nano-silica.
  • the pyrolysis gas produced by the above pyrolysis step is tested by a gas analyzer, and the components thereof are CO, CO 2 , H 2 , CH 4 , C 2 H 2 , C 2 H 4 , C 2 H 6 , C 3 H 8 , C 3 H 10 ;
  • silica is a spherical particle with a particle size of about 80 nm and the particles are relatively loose. It can be seen from the XRD pattern that there is no specific crystal diffraction peak, and thus the product silica has an amorphous structure.
  • the rice husk is removed by simple water washing to remove impurities such as dirt from the rice husk, and then immersed in a nitric acid solution having a concentration of 5%. Hour, wash to neutral; then dry at 110 °C until the water content is below 20%.
  • the dried rice husk is conveyed to the pyrolysis furnace through a screw conveyor in an oxygen-free environment at 800 °C. Pyrolysis, the generated pyrolysis gas is sent to the subsequent purification treatment device for standby, or directly sent to the gasification furnace for gasification to produce synthesis gas for subsequent supply and demand, or sent to the boiler for combustion and power generation.
  • the pyrolyzed solid product is sent to the calciner to control the temperature of the calciner to be maintained at 800 °C.
  • the calcination is carried out in an air atmosphere, and the hot flue gas generated by the calcination is introduced into the pyrolysis furnace to provide heat to the pyrolysis furnace, and the solid product after calcination is amorphous silica.
  • the pyrolysis gas produced by the above pyrolysis step is tested by a gas analyzer, and the components thereof are CO, CO 2 , H 2 , CH 4 , C 2 H 2 , C 2 H 4 , C 2 H 6 , C 3 H 8 , C 3 H 10 ;
  • silica was spherical particles with a particle diameter of 80 nm. Left and right, the particles are relatively loose; it can be seen from the XRD pattern that there is no obvious specific crystal diffraction peak, indicating that the product silica is amorphous.
  • the rice husk is removed by simple water washing to remove impurities such as dirt from the rice husk, and then dried at 120 ° C until the water content is 20%. the following.
  • the dried rice husk is conveyed to the pyrolysis furnace through a screw conveyor in an oxygen-free environment at 1000 °C. Pyrolysis, the generated pyrolysis gas is sent to the subsequent purification treatment device for standby, or directly sent to the gasification furnace for gasification to produce synthesis gas for subsequent supply and demand, or the pyrolysis gas is directly sent to the boiler for combustion and power generation.
  • the pyrolyzed solid product is boiled in a sulfuric acid solution of 5% by mass for 4 hours; washed 3 times to the solution PH Close to neutral; then dry in a dry box at 102 °C until the water content is below 30%.
  • the calcination is carried out in an air atmosphere, and the hot flue gas generated by the calcination is introduced into the pyrolysis furnace to provide heat to the pyrolysis furnace, and the solid product after calcination is amorphous silica.
  • the pyrolysis gas produced by the above pyrolysis step is tested by a gas analyzer, and the components thereof are CO, CO 2 , H 2 , CH 4 , C 2 H 2 , C 2 H 4 , C 2 H 6 , C 3 H 8 , C 3 H 10 ;
  • the final amorphous silicon dioxide was subjected to scanning electron microscopy and XRD. Test, it is: silica is a spherical particle, the particle size is about 80nm, the particles are relatively loose; by XRD pattern, it can be seen that there is no obvious specific crystal diffraction peak, indicating that the product silica is amorphous.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Processing Of Solid Wastes (AREA)
  • Treatment Of Sludge (AREA)
  • Catalysts (AREA)

Abstract

提供一种含无定形二氧化硅的生物质的综合利用方法，包括在无氧条件下对生物质进行热解，收集产生的热解气；然后，在有氧的条件下进行煅烧，得到无定形二氧化硅。其中，所述生物质为稻壳。

Description

一种含有无定形二氧化硅的生物质的综合利用方法 技术领域
本发明属生物质应用领域，具体涉及一种含有无定形二氧化硅的生物质的综合利用方法。
背景技术
二氧化硅尽管在许多自然资源中是丰富的，但高纯度的无定性二氧化硅却很少在自然资源中找到。目前已有利用无机材料生产无定性二氧化硅的报道，但其工艺生产成本高，能耗大，环境污染严重。除此，也有一些从生物质中提取二氧化硅的方法的报道：如专利 ZL02807291.X 介绍了从稻壳中生产高纯度的无定性二氧化硅的工艺，但都没有考虑有机物及能量利用问题，不能使生物质得到有效的利用。
技术问题
本发明所要解决的技术问题是提供一种含有无定形二氧化硅的生物质的综合利用方法。
技术解决方案
为解决上述技术问题，本发明采用的技术方案为：
一种含有无定形二氧化硅的生物质的综合利用方法，其特征在于：它包括以下步骤：
于无氧条件下进行热解，收集利用产生的热解气；
在有氧气存在的条件下进行煅烧、得到无定形的二氧化硅。
按上述方案，所述含有无定形二氧化硅的生物质为谷壳，主要为稻壳。
按上述方案，所述的综合利用方法包括步骤 A ：在热解前将生物质酸洗干燥，或步骤 B ：在热解后将生物质酸洗干燥。在热解前对生物质进行酸洗干燥处理，可在使金属元素变成可溶性金属化合物盐而水洗去除，达到主要目的的同时，使生物质长链有机物减小，以便于下一步热解反应的进行。
按上述方案，所述的酸洗干燥为将生物质加入酸洗溶液中，常温浸泡 8~24 小时或者 80~100℃浸泡2~6 小时，然后水洗至中性，干燥。
按上述方案，所述的酸洗溶液为盐酸、硫酸、硝酸；所述酸洗溶液的质量浓度优选为 3% ～ 10% 。
按上述方案，所述的热解温度为 500~1000℃。
按上述方案，所述的热解气含有 CO 、 CO2 、 H2 、 CH4 、 C2H2 、 C2H4 、 C2H6 、 C3H8 、 C3H10 中的一种或多种。
按上述方案，所述的煅烧为空气气氛煅烧；煅烧温度为 500~800℃。
按上述方案，将所述煅烧过程中产生的热烟气送入热解步骤以使热量循环利用。
按上述方案，在进行热解步骤或步骤A之前，还包括将含有无定型二氧化硅的生物质进行水洗去除杂质。
 有益效果
本发明通过先将含有无定形二氧化硅的生物质进行无氧热解，将生物质中的纤维素、半纤维素、木质素等，经过热解产生可回收利用的热解气如燃烧发电或制取纯净的合成气，同时也不会破坏无定形二氧化硅的结构；然后进行有氧煅烧，而进一步将残留的含碳杂质燃烧、去除，处理得到价值较高的无定形纳米二氧化硅，而使含有无定形二氧化硅的生物质得到较大限度的利用，工艺设计巧妙简便，充分利用了生物质中的热量，能量转化率高，环保节能。
附图说明
图 1 是本发明实施例 1 的工艺示意图；
图 2 是本发明实施例 1 的 SEM 图；
图 3 是本发明实施例1的XRD谱图。
 本发明的实施方式
实施例 1
如图 1 所示，将稻壳经简单水洗，去除稻壳中的泥土等杂质，放入质量浓度为 10% 的盐酸中浸泡 24 小时，反复水洗至洗涤液的 pH 接近中性；然后放入干燥箱中在 100 ℃ 干燥至恒重。
将干燥后的稻壳通过螺旋输送机输送到热解炉中于无氧环境中 600 ℃ 热解，产生的热解气送入后续的净化处理装置备用，或直接送入气化炉气化产生合成气供后续供需使用，或送入锅炉燃烧发电。
热解后的固体产物送入煅烧炉，控制煅烧炉的温度维持在 650 ℃ 于空气气氛中进行煅烧，煅烧产生的热烟气通入热解炉，为热解炉提供热量，煅烧后的固体产物即稻壳灰研磨即得无定型纳米二氧化硅。
将上述热解步骤产生的热解气经煤气分析仪测试，而得：其组分为 CO 、 CO2 、 H2 、 CH4 、 C2H2 、 C2H4 、 C2H6 、 C3H8 、 C3H10 ；
将最终得到的无定型纳米二氧化硅进行扫描电镜和 XRD 测试，分别见图 2 和图 3 而得：二氧化硅为球形颗粒，粒径在 80nm 左右，颗粒之间比较松散；通过 XRD 图谱可以看出，无明显特定结晶衍射峰，因而产物二氧化硅为无定形结构。
实施例 2
将稻壳通过简单水洗去除稻壳中的泥土等杂质，再放入质量浓度为 5% 的硝酸溶液中浸泡 24 小时，水洗至中性；然后在 110 ℃ 干燥至水含量在 20% 以下。
将干燥后的稻壳通过螺旋输送机输送到热解炉中于无氧环境中 800 ℃ 热解，产生的热解气送入后续的净化处理装置备用，或直接送入气化炉气化产生合成气供后续供需使用，或送入锅炉燃烧发电。
热解后的固体产物送入煅烧炉，控制煅烧炉的温度维持在 800 ℃ 于空气气氛中进行煅烧，煅烧产生的热烟气通入热解炉，为热解炉提供热量，煅烧后的固体产物即为无定型二氧化硅。
将上述热解步骤产生的热解气经煤气分析仪测试，而得：其组分为 CO 、 CO2 、 H2 、 CH4 、 C2H2 、 C2H4 、 C2H6 、 C3H8 、 C3H10 ；
将最终得到的无定型纳米二氧化硅进行扫描电镜和 XRD 测试，而得：二氧化硅为球形颗粒，粒径在 80nm 左右，颗粒之间比较松散；通过 XRD 图谱可以看出，无明显特定结晶衍射峰，说明产物二氧化硅为无定形结构。
实施例 3
将稻壳通过简单水洗去除稻壳中的泥土等杂质，然后在 120 ℃ 干燥至水含量在 20% 以下。将干燥后的稻壳通过螺旋输送机输送到热解炉中于无氧环境中 1000 ℃ 热解，产生的热解气送入后续的净化处理装置备用，或直接送入气化炉气化产生合成气供后续供需使用，或将热解气直接送入锅炉燃烧发电。
热解后的固体产物放入质量浓度为 5% 的硫酸溶液中煮沸 4 小时；水洗 3 次至溶液 PH 接近为中性；然后放入干燥箱中在 102 ℃ 干燥至水含量在 30% 以下。
然后送入煅烧炉，控制煅烧炉的温度维持在 500 ℃ 于空气气氛中进行煅烧，煅烧产生的热烟气通入热解炉，为热解炉提供热量，煅烧后的固体产物即为无定型二氧化硅。
将上述热解步骤产生的热解气经煤气分析仪测试，而得：其组分为 CO 、 CO2 、 H2 、 CH4 、 C2H2 、 C2H4 、 C2H6 、 C3H8 、 C3H10 ；
将最终得到的无定型纳米二氧化硅进行扫描电镜和XRD 测试，而得：二氧化硅为球形颗粒，粒径在80nm左右，颗粒之间比较松散；通过XRD图谱可以看出，无明显特定结晶衍射峰，说明产物二氧化硅为无定形结构。

Claims (10)

1. 一种含有无定形二氧化硅的生物质的综合利用方法，其特征在于：它包括以下步骤： 于无氧条件下进行热解，收集利用产生的热解气； 在有氧气存在的条件下进行煅烧得到无定形的二氧化硅。
2. 根据权利要求1所述的含有无定形二氧化硅的生物质的综合利用方法，其特征在于：所述含有无定形二氧化硅的生物质为稻壳。
3. 根据权利要求1所述的含有无定形二氧化硅的生物质的综合利用方法，其特征在于：所述的综合利用方法包括步骤A：在热解前将生物质酸洗干燥，或步骤B：在热解后将生物质酸洗干燥。
4. 根据权利要求1所述的含有无定形二氧化硅的生物质的综合利用方法，其特征在于：所述的酸洗干燥为将生物质加入酸洗溶液中，常温浸泡8~24小时或者80~100℃浸泡2~6小时，然后水洗至中性，干燥。
5. 根据权利要求1所述的含有无定形二氧化硅的生物质的综合利用方法，其特征在于：所述的酸洗溶液为盐酸、硫酸、硝酸；所述酸洗溶液的质量浓度优选为3%～10%。
6. 根据权利要求1所述的含有无定形二氧化硅的生物质的综合利用方法，其特征在于：所述的热解温度为500~1000℃。
7. 根据权利要求1所述的含有无定形二氧化硅的生物质的综合利用方法，其特征在于：所述的热解气含有CO、CO2、H2、CH4、C2H2、C2H4、C2H6、C3H8、C3H10中的一种或多种。
8. 根据权利要求1所述的含有无定形二氧化硅的生物质的综合利用方法，其特征在于：所述的煅烧为空气气氛煅烧；煅烧温度为500~800℃。
9. 根据权利要求1所述的含有无定形二氧化硅的生物质的综合利用方法，其特征在于：将所述煅烧过程中产生的热烟气送入热解步骤以使热量循环利用。
10. 根据权利要求1所述的含有无定形二氧化硅的生物质的综合利用方法，其特征在于：在进行权利要求1的热解步骤或权利要求2的步骤A之前，还包括将含有无定型二氧化硅的生物质进行水洗去除杂质。
PCT/CN2012/087604 2012-01-05 2012-12-27 一种含有无定形二氧化硅的生物质的综合利用方法 WO2013102414A1 (zh)

Priority Applications (10)

Application Number Priority Date Filing Date Title
MX2014008256A MX352675B (es) 2012-01-05 2012-12-27 Metodo para la utilizacion integral de biomasa que contiene dioxido de silicio amorfo.
RU2014132182/05A RU2579447C2 (ru) 2012-01-05 2012-12-27 Комплексный способ использования биомассы, содержащей аморфный диоксид кремния
CA2860482A CA2860482A1 (en) 2012-01-05 2012-12-27 Comprehensive utilization method for biomass containing amorphous silicon dioxide
KR1020147021609A KR20140116185A (ko) 2012-01-05 2012-12-27 무정형 이산화규소를 함유하는 바이오매스를 위한 종합적 활용 방법
SG11201403802PA SG11201403802PA (en) 2012-01-05 2012-12-27 Comprehensive utilization method for biomass containing amorphous silicon dioxide
IN1528MUN2014 IN2014MN01528A (zh) 2012-01-05 2012-12-27
AU2012364501A AU2012364501B2 (en) 2012-01-05 2012-12-27 Comprehensive utilization method for biomass containing amorphous silicon dioxide
EP12864234.5A EP2801552A4 (en) 2012-01-05 2012-12-27 COMPLETE USE METHOD FOR BIOMASS CONTAINING AMORPHOUS SILICON OXIDE
JP2014550624A JP2015504036A (ja) 2012-01-05 2012-12-27 非晶質二酸化ケイ素を含むバイオマスの総合利用方法
US14/324,058 US9403687B2 (en) 2012-01-05 2014-07-03 Method for preparation of amorphous silica from biomass

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210002005.9 2012-01-05
CN2012100020059A CN102653406A (zh) 2012-01-05 2012-01-05 一种含有无定形二氧化硅的生物质的综合利用方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US14/324,058 Continuation-In-Part US9403687B2 (en) 2012-01-05 2014-07-03 Method for preparation of amorphous silica from biomass

Publications (1)

Publication Number Publication Date
WO2013102414A1 true WO2013102414A1 (zh) 2013-07-11

Family

ID=46729157

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/087604 WO2013102414A1 (zh) 2012-01-05 2012-12-27 一种含有无定形二氧化硅的生物质的综合利用方法

Country Status (13)

Country Link
US (1) US9403687B2 (zh)
EP (1) EP2801552A4 (zh)
JP (1) JP2015504036A (zh)
KR (1) KR20140116185A (zh)
CN (1) CN102653406A (zh)
AU (1) AU2012364501B2 (zh)
CA (1) CA2860482A1 (zh)
IN (1) IN2014MN01528A (zh)
MX (1) MX352675B (zh)
MY (1) MY175037A (zh)
RU (1) RU2579447C2 (zh)
SG (1) SG11201403802PA (zh)
WO (1) WO2013102414A1 (zh)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015095460A3 (en) * 2013-12-18 2015-08-13 Shell Oil Company Biomass treatment for hydrothermal hydrocatalytic conversion
US9394486B2 (en) 2013-12-18 2016-07-19 Shell Oil Company Biomass treatment for hydrothermal hydrocatalytic conversion
US9446436B2 (en) 2013-12-18 2016-09-20 Shell Oil Company Continuous or semi-continuous biomass wash system for hydrothermal hydrocatalytic conversion
US9468950B2 (en) 2013-12-18 2016-10-18 Shell Oil Company Continuous or semi-continuous biomass wash system hydrothermal hydrocatalytic conversion
US9492851B2 (en) 2013-12-18 2016-11-15 Shell Oil Company Continuous or semi-continuous biomass wash system for hydrothermal hydrocatalytic conversion

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102653406A (zh) * 2012-01-05 2012-09-05 武汉凯迪工程技术研究总院有限公司 一种含有无定形二氧化硅的生物质的综合利用方法
CN102616793B (zh) * 2012-03-26 2014-02-26 阳光凯迪新能源集团有限公司 利用工业烟气去除稻壳中金属离子的方法
CN103695015B (zh) * 2014-01-06 2015-08-12 中盈长江国际新能源投资有限公司 一种加快生物质热解产气速度并获得纳米级二氧化硅材料的装置及方法
DE102014014177B4 (de) * 2014-09-19 2020-03-26 Green Sugar Ag Verwendung von pflanzenbasierten Silikaten als Additiv zur Verbesserung der stofflichen Eigenschaften von Mischungen
KR101602219B1 (ko) * 2014-11-19 2016-03-10 한국에너지기술연구원 중열량 합성가스 및 실리카 동시 생산을 위한 바이오매스 유동층 가스화 장치
CN106829970A (zh) * 2017-03-31 2017-06-13 章斐虹 一种稻壳制备生物质纳米二氧化硅的方法
JP2019065204A (ja) * 2017-10-02 2019-04-25 株式会社トロムソ バイオマス原料及びその製造方法
TWI671010B (zh) * 2018-01-24 2019-09-11 綠世紀生物科技股份有限公司 茶葉萃取物的製造方法
KR102091833B1 (ko) * 2018-05-16 2020-03-20 한국세라믹기술원 바이오매스를 이용한 실리카 제조방법
JP7249116B2 (ja) * 2018-09-12 2023-03-30 株式会社クボタ 非晶質シリカの製造方法及び非晶質シリカの製造装置
CN109175351B (zh) * 2018-10-31 2020-07-10 南京林业大学 采用生物基无定型二氧化硅制备粉末冶金摩擦材料的方法
CN109384237B (zh) * 2018-10-31 2021-09-14 昆明理工大学 一种稻壳中提取高纯SiO2的方法
CN110078081A (zh) * 2019-05-05 2019-08-02 昆明理工大学 一种利用水葫芦制备无定形二氧化硅的方法
JP7414219B2 (ja) * 2019-12-26 2024-01-16 株式会社クボタ 非晶質シリカの製造方法及び化粧品原料の製造方法
WO2021181560A1 (ja) * 2020-03-11 2021-09-16 株式会社クボタ 非晶質シリカの製造方法及び非晶質シリカの製造装置
WO2024080300A1 (ja) * 2022-10-14 2024-04-18 ジカンテクノ株式会社 シリカの製造方法及び化粧品の製造方法
KR102565329B1 (ko) * 2022-11-18 2023-08-09 주식회사 초이랩 바이오매스를 이용한 식물성 실리카 및 다공성 바이오차 제조 방법

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214920A (en) * 1979-03-23 1980-07-29 Exxon Research & Engineering Co. Method for producing solar cell-grade silicon from rice hulls
US6444186B1 (en) * 2000-01-28 2002-09-03 Chk Group, Inc. Composition and method of forming low-carbon, amorphous siliceous ash from siliceous waste material
CN1935648A (zh) * 2006-09-14 2007-03-28 华南理工大学 一种用稻壳制备太阳能电池用多晶硅的方法
CN101417798A (zh) * 2008-11-26 2009-04-29 吉林大学 一种稻壳燃烧废气和废渣综合利用的方法
CN101673781A (zh) * 2009-09-25 2010-03-17 邵振亚 一种用稻壳制备生产太阳能电池多晶硅原料的方法
CN102653406A (zh) * 2012-01-05 2012-09-05 武汉凯迪工程技术研究总院有限公司 一种含有无定形二氧化硅的生物质的综合利用方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1508825A (en) * 1974-04-04 1978-04-26 Refratech Albert Gmbh Method of producing low-carbon white husk ash
RU2144498C1 (ru) * 1999-02-01 2000-01-20 Земнухова Людмила Алексеевна Способ получения высокочистых аморфных диоксида кремния и углерода из рисовой шелухи
KR100414888B1 (ko) * 2000-02-09 2004-01-13 알케이케미칼 주식회사 쌀겨로부터 실리카를 추출하는 방법
RU2245300C1 (ru) * 2003-12-24 2005-01-27 Институт химии Дальневосточного отделения Российской академии наук (статус государственного учреждения) (Институт химии ДВО РАН) Способ переработки кремнийсодержащего растительного сырья и установка для его осуществления
CN1803599A (zh) * 2005-05-31 2006-07-19 株洲工学院科技开发部 一种利用稻壳制取高纯二氧化硅工艺方法及装置
RU2307070C2 (ru) * 2005-07-14 2007-09-27 Общество С Ограниченной Ответственностью "Рисилика" Способ получения из рисовой шелухи аморфного диоксида кремния
RU2292305C1 (ru) * 2005-08-02 2007-01-27 Институт химии Дальневосточного отделения Российской академии наук (статус государственного учреждения) (Институт химии ДВО РАН) Способ извлечения ионов тяжелых металлов из водных растворов
RU2304559C2 (ru) * 2005-08-22 2007-08-20 Людмила Алексеевна Земнухова Способ получения сорбента для сбора нефти и нефтепродуктов при их разливах путем утилизации рисовой шелухи
CN101219790B (zh) * 2007-01-12 2010-09-15 中国科学院过程工程研究所 一种由秸秆制备纳米二氧化硅的方法
JP2008214158A (ja) * 2007-03-06 2008-09-18 Maywa Co Ltd 籾殻から非晶質シリカの製造方法
FI123180B (fi) * 2007-10-11 2012-12-14 Valtion Teknillinen Laitteisto pyrolyysituotteen valmistamiseksi
CN102190509A (zh) * 2011-03-16 2011-09-21 吉林大学 一种水稻秸秆生产硅肥的方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214920A (en) * 1979-03-23 1980-07-29 Exxon Research & Engineering Co. Method for producing solar cell-grade silicon from rice hulls
US6444186B1 (en) * 2000-01-28 2002-09-03 Chk Group, Inc. Composition and method of forming low-carbon, amorphous siliceous ash from siliceous waste material
CN1935648A (zh) * 2006-09-14 2007-03-28 华南理工大学 一种用稻壳制备太阳能电池用多晶硅的方法
CN101417798A (zh) * 2008-11-26 2009-04-29 吉林大学 一种稻壳燃烧废气和废渣综合利用的方法
CN101673781A (zh) * 2009-09-25 2010-03-17 邵振亚 一种用稻壳制备生产太阳能电池多晶硅原料的方法
CN102653406A (zh) * 2012-01-05 2012-09-05 武汉凯迪工程技术研究总院有限公司 一种含有无定形二氧化硅的生物质的综合利用方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2801552A4

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015095460A3 (en) * 2013-12-18 2015-08-13 Shell Oil Company Biomass treatment for hydrothermal hydrocatalytic conversion
WO2015095454A3 (en) * 2013-12-18 2015-08-13 Shell Oil Company Biomass treatment for hydrothermal hydrocatalytic conversion
US9394486B2 (en) 2013-12-18 2016-07-19 Shell Oil Company Biomass treatment for hydrothermal hydrocatalytic conversion
US9446436B2 (en) 2013-12-18 2016-09-20 Shell Oil Company Continuous or semi-continuous biomass wash system for hydrothermal hydrocatalytic conversion
US9468950B2 (en) 2013-12-18 2016-10-18 Shell Oil Company Continuous or semi-continuous biomass wash system hydrothermal hydrocatalytic conversion
US9492851B2 (en) 2013-12-18 2016-11-15 Shell Oil Company Continuous or semi-continuous biomass wash system for hydrothermal hydrocatalytic conversion
US9605085B2 (en) 2013-12-18 2017-03-28 Shell Oil Company Biomass treatment for hydrothermal hydrocatalytic conversion
US9732469B2 (en) 2013-12-18 2017-08-15 Shell Oil Company Biomass treatment for hydrothermal hydrocatalytic conversion

Also Published As

Publication number Publication date
RU2579447C2 (ru) 2016-04-10
AU2012364501B2 (en) 2015-12-24
EP2801552A4 (en) 2015-11-04
MX2014008256A (es) 2015-05-12
JP2015504036A (ja) 2015-02-05
SG11201403802PA (en) 2014-10-30
AU2012364501A1 (en) 2014-08-21
KR20140116185A (ko) 2014-10-01
MX352675B (es) 2017-12-04
US9403687B2 (en) 2016-08-02
RU2014132182A (ru) 2016-02-27
US20140322120A1 (en) 2014-10-30
CA2860482A1 (en) 2013-07-11
MY175037A (en) 2020-06-03
IN2014MN01528A (zh) 2015-05-15
EP2801552A1 (en) 2014-11-12
CN102653406A (zh) 2012-09-05

Similar Documents

Publication Publication Date Title
WO2013102414A1 (zh) 一种含有无定形二氧化硅的生物质的综合利用方法
Yuan et al. Preparation and application of porous materials from coal gasification slag for wastewater treatment: A review
Zhang et al. A study on the consecutive preparation of d-xylose and pure superfine silica from rice husk
WO2015101360A1 (zh) 一种加快生物质热解产气速度并获得纳米级二氧化硅材料的装置及方法
CN100999677B (zh) 生物质微波催化裂解制备富含糠醛生物油的方法
MX2009000623A (es) Pirolisis catalitica de biomasa particulada fina, y metodo para reducir el tamaño de particula de las particulas de biomasa solidas.
WO2015101361A1 (zh) 一种利用锅炉烟道气直接碳化水玻璃生产纳米级白炭黑的方法
CN110562960B (zh) 一种煤基碳纳米管的制备和纯化方法
CN1974732A (zh) 气化煤气和热解煤气共制合成气工艺
CN105600790A (zh) 利用稻壳联产超纯纳米二氧化硅和生物油的方法
CN113149000A (zh) 一种稻壳炭基石墨化碳材料的制备方法
WO2010075670A1 (zh) 用于在高炉中生产磷酸的方法及用于焙烧泥磷并回收热量的装置
Ekwenna et al. The production of bio-silica from agro-industrial wastes leached and anaerobically digested rice straws
CN204661619U (zh) 一种立式高温裂解固定床煤气化粗煤气中焦油的装置
CN106010607A (zh) 一种煤热解气化耦合工艺及装置
CN117160509A (zh) 一种钌负载结晶氮化碳/掺杂纳米金刚石复合材料及其制备方法和应用
CN1724369A (zh) 电石炉尾气用于合成氨或甲醇生产的工艺
CN203845985U (zh) 一种加快生物质热解产气速度并获得纳米级二氧化硅材料的装置
CN113800517B (zh) 一种耐水型稻壳基颗粒活性炭的制备方法
CN113735119B (zh) 一种利用稻壳联产中孔发达活性炭和高模数硅酸盐的方法
CN111153387B (zh) 酸洗煤含氟废液的回收方法及设备
CN205046054U (zh) 一种盘管式煤热解装置
CN1285503C (zh) 利用碳化稻壳制造碳化硅的方法
CN111439745B (zh) 一种单层或少层生物质石墨烯的制备方法
CN113817510A (zh) 一种水生植物微波化学链气化制备高氢合成气方法和系统

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12864234

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2860482

Country of ref document: CA

Ref document number: 2014550624

Country of ref document: JP

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: MX/A/2014/008256

Country of ref document: MX

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 20147021609

Country of ref document: KR

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 2012864234

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 2014132182

Country of ref document: RU

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 2012364501

Country of ref document: AU

Date of ref document: 20121227

Kind code of ref document: A