CN109482146B - 一种改性污泥活性炭重金属吸附材料的制备方法 - Google Patents

一种改性污泥活性炭重金属吸附材料的制备方法 Download PDF

Info

Publication number
CN109482146B
CN109482146B CN201811391515.3A CN201811391515A CN109482146B CN 109482146 B CN109482146 B CN 109482146B CN 201811391515 A CN201811391515 A CN 201811391515A CN 109482146 B CN109482146 B CN 109482146B
Authority
CN
China
Prior art keywords
activated carbon
sludge
phosphoric acid
heavy metal
temperature
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN201811391515.3A
Other languages
English (en)
Other versions
CN109482146A (zh
Inventor
韩哲
单然然
何媛
邵艳秋
刘秀玉
朱英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
New Material Institute of Shandong Academy of Sciences
Original Assignee
New Material Institute of Shandong Academy of Sciences
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 New Material Institute of Shandong Academy of Sciences filed Critical New Material Institute of Shandong Academy of Sciences
Priority to CN201811391515.3A priority Critical patent/CN109482146B/zh
Publication of CN109482146A publication Critical patent/CN109482146A/zh
Application granted granted Critical
Publication of CN109482146B publication Critical patent/CN109482146B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28057Surface area, e.g. B.E.T specific surface area
    • B01J20/28064Surface area, e.g. B.E.T specific surface area being in the range 500-1000 m2/g
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28078Pore diameter
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/3078Thermal treatment, e.g. calcining or pyrolizing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/3085Chemical treatments not covered by groups B01J20/3007 - B01J20/3078
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/32Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3231Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/30Active carbon
    • C01B32/312Preparation
    • C01B32/318Preparation characterised by the starting materials
    • C01B32/324Preparation characterised by the starting materials from waste materials, e.g. tyres or spent sulfite pulp liquor
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/30Active carbon
    • C01B32/312Preparation
    • C01B32/336Preparation characterised by gaseous activating agents
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/30Active carbon
    • C01B32/312Preparation
    • C01B32/342Preparation characterised by non-gaseous activating agents
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/30Active carbon
    • C01B32/354After-treatment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/288Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00Aspects relating to sorbent materials
    • B01J2220/40Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48Sorbents characterised by the starting material used for their preparation
    • B01J2220/4875Sorbents characterised by the starting material used for their preparation the starting material being a waste, residue or of undefined composition
    • B01J2220/4887Residues, wastes, e.g. garbage, municipal or industrial sludges, compost, animal manure; fly-ashes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

本发明涉及重金属吸附领域,具体涉及一种改性污泥活性炭重金属吸附材料的制备方法。主要包括磷酸活化处理、活化处理、改性处理三个步骤,吸附材料性能稳定,再生性好,实现了底泥可循环利用和资源化利用。

Description

一种改性污泥活性炭重金属吸附材料的制备方法
技术领域
本发明属于重金属吸附领域,具体涉及一种改性污泥活性炭重金属吸附材料的制备方法。
背景技术
目前对城市污泥的有效处理方法主要有填埋、焚烧、投海和农用,而填埋、焚烧和投海都会不同程度的再次带来环境污染问题。以剩余污泥为原料制备活性炭,是实现污泥资源化利用的有效途径之一。目前,污泥基活性炭的制备方法主要有化学活化法,物理活化法,物理化学法,但是化学活化法常采用氯化锌、硫酸、氢氧化钾等,不仅对设备腐蚀较大还破坏生态环境,应用范围较窄,物理活化法产率较低,不适合大规模应用,目前,对物理化学法研究较少。
磷酸活化法是化学活化法中的一种,具有污染少,碳化温度低、成本低的优点,但是,磷酸活化法制备出来的污泥活性炭产品性能不高,从而导致应用范围窄。
发明内容
本申请的目的在于提供一种改性污泥活性炭重金属吸附材料,具有合适的孔径分布、孔容和比表面积,产品性能高,对重金属具有良好的吸附作用。
本申请技术方案如下:
一种改性污泥活性炭重金属吸附材料的制备方法,其特征在于,制备方法如下:
(1)磷酸活化处理:将污泥干燥,研磨,过80目筛,得到污泥颗粒,向污泥颗粒中加入磷酸,搅拌,磷酸与污泥液固比例为2-3:1,所述磷酸浓度为40%,静置24-36小时,取静置后的污泥进行微波处理:在氮气气氛保护下,调节微波功率为200-300W,温度为200-280℃,炭化时间为60-90分钟,然后调节微波功率为1500-1800W,温度为600-800℃,炭化时间为90-120分钟,然后对上述微波处理步骤进行重复操作一次,完成微波处理;再用去离子水进行洗涤至中性,进行干燥处理,得到磷酸活化的活性炭;
(2)活化处理:将步骤(1)所得活性炭进行粉碎过筛处理,在氮气气氛保护下,逐步升温至320-560℃,保持60-90分钟冷却至室温,升温速率为10-15℃/min;然后通入氮气和水蒸气,逐步升温至900-1200℃,升温速率为18-25℃/min,保持60-90分钟,自然冷却至室温;将得到的污泥活性炭进行水洗,干燥,粉碎,得到粒径为100μm左右的活性炭颗粒;
(3)改性处理:将步骤(2)得到的活性炭颗粒加入到钛酸正丁酯溶液中,搅拌并浸泡30-40min,在70-80℃下烘干,将烘干后的污泥活性炭进行煅烧,最终得到改性污泥活性炭吸附材料。
优选的,所述步骤(2)氮气和水蒸气的体积比为3:4-7
优选的,所述步骤(3)煅烧温度为400-550℃。
优选的,所述步骤(3)中钛酸正丁酯溶液为溶剂是无水乙醇的钛酸正丁酯溶液,浓度为0.1M。
优选的,所述重金属吸附材料比表面积为600-650m2/g,孔径为0.5-75nm,同时具有微孔、介孔和大孔。
本发明的有益效果在于:
①通过各步骤的活化作用,对重金属离子的的吸附作用进一步提高,对金属阳离子具有明显的吸附作用,尤其是对于含Cu2、Cr2、As2、Pb2+离子吸附效果明显;
②本发明制备出的吸附材料,同时具备微孔、中孔、大孔结构,不仅能够实现重金属吸附,同时对大分子污染物同样具有高效吸附作用,扩大了使用范围;
③吸附材料性能稳定,再生性好,实现了底泥可循环利用和资源化利用。
具体实施方式
以下结合具体实例对本方案做进一步说明。这些实例是用于说明本发明而不限于限制本发明的范围。实施例中采用的实施条件可以根据具体厂家的条件做进一步调整,为注明的实施条件通常为常规实验中的条件。
本实施例废水中,Cr2+的含量为0.31mg/L,Cu2+的含量为0.56mg/L,As2+的含量为0.43mg/L,Pb2+的含量为0.48mg/L。
实施例1:
一种改性污泥活性炭重金属吸附材料的制备方法,其特征在于,制备方法如下:
(1)磷酸活化处理:将污泥干燥,研磨,过80目筛,得到污泥颗粒,向污泥颗粒中加入磷酸,搅拌,磷酸与污泥液固比例为3:1,所述磷酸浓度为40%,静置36小时,取静置后的污泥进行微波处理:在氮气气氛保护下,调节微波功率为300W,温度为280℃,炭化时间为90分钟,然后调节微波功率为800W,温度为750℃,炭化时间为100分钟,然后对上述微波处理步骤进行重复操作一次,完成微波处理;再用去离子水进行洗涤至中性,进行干燥处理,得到磷酸活化的活性炭;
(2)活化处理:将步骤(1)所得活性炭进行粉碎过筛处理,在氮气气氛保护下,逐步升温至530℃,保持79分钟冷却至室温,升温速率为15℃/min;然后通入氮气和水蒸气,逐步升温至1100℃,升温速率为22℃/min,保持70分钟,自然冷却至室温;将得到的污泥活性炭进行水洗,干燥,粉碎,得到粒径为100μm左右的活性炭颗粒;
(3)改性处理:将步骤(2)得到的活性炭颗粒加入到钛酸正丁酯溶液中,搅拌并浸泡30min,在70-80℃下烘干,将烘干后的污泥活性炭进行煅烧,最终得到改性污泥活性炭吸附材料。
所述步骤(2)氮气和水蒸气的体积比为3:7
所述步骤(3)煅烧温度为520℃。
所述步骤(3)中钛酸正丁酯溶液为溶剂是无水乙醇的钛酸正丁酯溶液,浓度为0.1M。
将制得的复合材料进行吸附实验,每间隔一定时间测试吸附试剂样品的吸附效果,分别探讨不同吸附时间(0.5、1、2、4、6、16、24h)、不同投加量(0.2、0.4、0.6、0.8、1、2.5、5g/m3)对除重金属离子效率的影响。结果表明,在投加量为5g/m3,吸附时间为6h时,对Cu2的吸附效率达到92.3%,对Cr2的吸附效率达到96.9%,As2的吸附效率达到91.3%,对Pb2+的吸附效率达到95.6%。
实施例2:
一种改性污泥活性炭重金属吸附材料的制备方法,其特征在于,制备方法如下:
(1)磷酸活化处理:将污泥干燥,研磨,过80目筛,得到污泥颗粒,向污泥颗粒中加入磷酸,搅拌,磷酸与污泥液固比例为2:1,所述磷酸浓度为40%,静置24小时,取静置后的污泥进行微波处理:在氮气气氛保护下,调节微波功率为220W,温度为210℃,炭化时间为70分钟,然后调节微波功率为1500W,温度为600℃,炭化时间为90分钟,然后对上述微波处理步骤进行重复操作一次,完成微波处理;再用去离子水进行洗涤至中性,进行干燥处理,得到磷酸活化的活性炭;
(2)活化处理:将步骤(1)所得活性炭进行粉碎过筛处理,在氮气气氛保护下,逐步升温至350℃,保持60分钟冷却至室温,升温速率为10℃/min;然后通入氮气和水蒸气,逐步升温至900℃,升温速率为19℃/min,保持65分钟,自然冷却至室温;将得到的污泥活性炭进行水洗,干燥,粉碎,得到粒径为100μm左右的活性炭颗粒;
(3)改性处理:将步骤(2)得到的活性炭颗粒加入到钛酸正丁酯溶液中,搅拌并浸泡30min,在70℃下烘干,将烘干后的污泥活性炭进行煅烧,最终得到改性污泥活性炭吸附材料。
所述步骤(2)氮气和水蒸气的体积比为3:4
所述步骤(3)煅烧温度为420℃。
所述步骤(3)中钛酸正丁酯溶液为溶剂是无水乙醇的钛酸正丁酯溶液,浓度为0.1M。
所述重金属吸附材料比表面积为600-650m2/g,孔径为0.5-75nm,同时具有微孔、介孔和大孔。
将制得的复合材料进行吸附实验,每间隔一定时间测试吸附试剂样品的吸附效果,分别探讨不同吸附时间(0.5、1、2、4、6、16、24h)、不同投加量(0.2、0.4、0.6、0.8、1、2.5、5g/m3)对除重金属离子效率的影响。结果表明,在投加量为5g/m3,吸附时间为6h时,对Cu2的吸附效率达到89.7%,对Cr2的吸附效率达到93.1%,As2的吸附效率达到89.2%,对Pb2+的吸附效率达到93.4%。
实施例3:
一种改性污泥活性炭重金属吸附材料的制备方法,其特征在于,制备方法如下:
(1)磷酸活化处理:将污泥干燥,研磨,过80目筛,得到污泥颗粒,向污泥颗粒中加入磷酸,搅拌,磷酸与污泥液固比例为3:1,所述磷酸浓度为40%,静置30小时,取静置后的污泥进行微波处理:在氮气气氛保护下,调节微波功率为300W,温度为250℃,炭化时间为80分钟,然后调节微波功率为1600W,温度为800℃,炭化时间为120分钟,然后对上述微波处理步骤进行重复操作一次,完成微波处理;再用去离子水进行洗涤至中性,进行干燥处理,得到磷酸活化的活性炭;
(2)活化处理:将步骤(1)所得活性炭进行粉碎过筛处理,在氮气气氛保护下,逐步升温至500℃,保持60-90分钟冷却至室温,升温速率为12℃/min;然后通入氮气和水蒸气,逐步升温至1000℃,升温速率为24℃/min,保持80分钟,自然冷却至室温;将得到的污泥活性炭进行水洗,干燥,粉碎,得到粒径为100μm左右的活性炭颗粒;
(3)改性处理:将步骤(2)得到的活性炭颗粒加入到钛酸正丁酯溶液中,搅拌并浸泡30min,在80℃下烘干,将烘干后的污泥活性炭进行煅烧,最终得到改性污泥活性炭吸附材料。
所述步骤(2)氮气和水蒸气的体积比为3:6
所述步骤(3)煅烧温度为500℃。
所述步骤(3)中钛酸正丁酯溶液为溶剂是无水乙醇的钛酸正丁酯溶液,浓度为0.1M。
所述重金属吸附材料比表面积为650m2/g,孔径为0.5-75nm,同时具有微孔、介孔和大孔。
将制得的复合材料进行吸附实验,每间隔一定时间测试吸附试剂样品的吸附效果,分别探讨不同吸附时间(0.5、1、2、4、6、16、24h)、不同投加量(0.2、0.4、0.6、0.8、1、2.5、5g/m3)对除重金属离子效率的影响。结果表明,在投加量为5g/m3,吸附时间为6h时,对Cu2的吸附效率达到92.3%,对Cr2的吸附效率达到98.7%,As2的吸附效率达到92.2%,对Pb2+的吸附效率达到96.5%。
以上所述,仅是本发明的较佳实施例,并非对本发明作任何限制,凡是根据本发明技术实质对以上实施例所作的任何简单修改、变更以及等效结构变化,均仍属于本发明技术方案的保护范围内。

Claims (2)

1.一种改性污泥活性炭重金属吸附材料的制备方法,其特征在于,制备方法如下:
( 1 ) 磷酸活化处理:将污泥干燥,研磨,过80目筛,得到污泥颗粒,向污泥颗粒中加入磷酸,搅拌,磷酸与污泥液固比例为2-3:1,所述磷酸浓度为40%,静置24-36小时,取静置后的污泥进行微波处理:在氮气气氛保护下,调节微波功率为200-300W,温度为200-280℃,炭化时间为60-90分钟,然后调节微波功率为1500-1800W,温度为600-800℃,炭化时间为90-120分钟,然后对上述微波处理步骤进行重复操作一次,完成微波处理;再用去离子水进行洗涤至中性,进行干燥处理,得到磷酸活化的活性炭;
( 2 ) 活化处理:将步骤(1)所得活性炭进行粉碎过筛处理,在氮气气氛保护下,逐步升温至320-560℃,保持60-90分钟冷却至室温,升温速率为10-15℃/min;然后通入氮气和水蒸气,逐步升温至900-1200℃,升温速率为18-25℃/min,保持60-90分钟,自然冷却至室温;将得到的污泥活性炭进行水洗,干燥,粉碎,得到粒径为100μm的活性炭颗粒;
( 3 ) 改性处理:将步骤(2)得到的活性炭颗粒加入到钛酸正丁酯溶液中,搅拌并浸泡30-40min,在70-80℃下烘干,将烘干后的污泥活性炭进行煅烧,最终得到改性污泥活性炭吸附材料;
所述步骤(2)氮气和水蒸气的体积比为3:4-7;
所述步骤(3)煅烧温度为400-550℃。
2.根据权利要求1所述的改性污泥活性炭重金属吸附材料的制备方法,其特征在于,所述步骤(3)中钛酸正丁酯溶液为溶剂是无水乙醇的钛酸正丁酯溶液,浓度为0.1M。
CN201811391515.3A 2018-11-21 2018-11-21 一种改性污泥活性炭重金属吸附材料的制备方法 Active CN109482146B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811391515.3A CN109482146B (zh) 2018-11-21 2018-11-21 一种改性污泥活性炭重金属吸附材料的制备方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811391515.3A CN109482146B (zh) 2018-11-21 2018-11-21 一种改性污泥活性炭重金属吸附材料的制备方法

Publications (2)

Publication Number Publication Date
CN109482146A CN109482146A (zh) 2019-03-19
CN109482146B true CN109482146B (zh) 2021-10-08

Family

ID=65697198

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811391515.3A Active CN109482146B (zh) 2018-11-21 2018-11-21 一种改性污泥活性炭重金属吸附材料的制备方法

Country Status (1)

Country Link
CN (1) CN109482146B (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110152690A (zh) * 2019-05-15 2019-08-23 南京化学工业园环保产业协同创新有限公司 一种光芬顿氧化催化剂及其制备方法和应用
CN114029034A (zh) * 2021-11-10 2022-02-11 上海第二工业大学 一种磷基生物炭吸附材料、制备方法及其应用
CN116351385B (zh) * 2023-04-23 2024-06-04 贵州大学 一种污泥-电解锰渣基重金属离子吸附剂的制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009173522A (ja) * 2007-12-26 2009-08-06 National Institute For Materials Science メソポーラスカーボン(cnp−2)およびその製造方法
CN103803549A (zh) * 2014-02-20 2014-05-21 江西师范大学 一种用荔枝壳制备的微米级颗粒活性炭及其制备方法
CN103908949A (zh) * 2014-04-25 2014-07-09 湖南城市学院 污泥基活性炭及其生产方法和在电镀含铬废水中的应用
CN104096540A (zh) * 2014-07-17 2014-10-15 同济大学 一种去除城市污泥中重金属和有机污染物的吸附催化材料的制备方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009173522A (ja) * 2007-12-26 2009-08-06 National Institute For Materials Science メソポーラスカーボン(cnp−2)およびその製造方法
CN103803549A (zh) * 2014-02-20 2014-05-21 江西师范大学 一种用荔枝壳制备的微米级颗粒活性炭及其制备方法
CN103908949A (zh) * 2014-04-25 2014-07-09 湖南城市学院 污泥基活性炭及其生产方法和在电镀含铬废水中的应用
CN104096540A (zh) * 2014-07-17 2014-10-15 同济大学 一种去除城市污泥中重金属和有机污染物的吸附催化材料的制备方法

Also Published As

Publication number Publication date
CN109482146A (zh) 2019-03-19

Similar Documents

Publication Publication Date Title
CN109482146B (zh) 一种改性污泥活性炭重金属吸附材料的制备方法
Jiao et al. Characterization of pine-sawdust pyrolytic char activated by phosphoric acid through microwave irradiation and adsorption property toward CDNB in batch mode
CN110898802B (zh) 一种污泥基生物炭及其制备方法和应用、乙酸改性污泥基生物炭及其制备方法和应用
CN101143312A (zh) 一种用于水处理的粒状赤泥吸附剂的制造与再生方法
CN103253651A (zh) 一种木质素基多孔碳材料及其制备方法
CN104888717A (zh) 一种改性蛭石除汞吸附剂及其制备方法与应用
CN106881071A (zh) 一种改性活性炭/硅藻土吸附剂的制备方法
CN108246269B (zh) 一种锂离子吸附剂及其制备方法与应用
CN109231758B (zh) 一种改性污泥活性炭重金属吸附材料
WO2015021797A1 (zh) 一种磁性硅藻土基吸附剂及其制备方法和应用
Dong et al. Physicochemical and porosity characteristics of thermally regenerated activated carbon polluted with biological activated carbon process
CN104437389B (zh) 一种处理含铅废水吸附剂的制备方法及应用
CN112340830B (zh) 以吸附-解吸后的废弃吸附剂为原料的催化剂在活化过硫酸盐处理高盐有机废水中应用
CN108435135A (zh) 一种西瓜皮生物炭的制备方法及其在去除废水中铊的应用
CN103752286B (zh) 一种去除重金属离子的复合吸附材料及其制备方法和应用
CN110801814A (zh) 一种磁性氨基核桃壳生物炭新型吸附剂的制备方法
Zheng et al. Study of the modification mechanism of heavy metal ions adsorbed by biomass-activated carbon doped with a solid nitrogen source
CN114213140B (zh) 用于磷吸附的煤矸石基陶粒及其制备方法和水处理设备
CN111729654A (zh) 一种改性槐树叶生物炭的制备方法及其应用
CN113003648B (zh) 一种固废生物质炭化材料治理重金属/有机物复合污染废水的方法
CN105498700A (zh) 一种甘蔗渣混合污泥基吸附剂的制备和改性方法
CN107442066B (zh) 一种微波炭化柿皮生物吸附剂及其制备方法和用途
Chen et al. Enhanced adsorptive removal of methylene blue by low-temperature biochar derived from municipal activated sludge
CN106622129B (zh) 一种石墨/污泥复合吸附剂、制备方法及其应用
CN105688828A (zh) 一种采用磷酸改性铁树叶制备海水提铀植物-无机复合吸附剂的方法

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant