CN116351385B - 一种污泥-电解锰渣基重金属离子吸附剂的制备方法 - Google Patents
一种污泥-电解锰渣基重金属离子吸附剂的制备方法 Download PDFInfo
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- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 229910052748 manganese Inorganic materials 0.000 title claims abstract description 83
- 239000011572 manganese Substances 0.000 title claims abstract description 83
- 239000002893 slag Substances 0.000 title claims abstract description 78
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 27
- 239000003463 adsorbent Substances 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims abstract description 26
- 150000002500 ions Chemical class 0.000 claims abstract description 23
- 239000010802 sludge Substances 0.000 claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 21
- 238000012986 modification Methods 0.000 claims abstract description 15
- 230000004048 modification Effects 0.000 claims abstract description 15
- 238000002791 soaking Methods 0.000 claims abstract description 15
- 239000003513 alkali Substances 0.000 claims abstract description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 27
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 10
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 claims description 3
- 239000000243 solution Substances 0.000 claims 9
- 239000012670 alkaline solution Substances 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 abstract description 11
- 150000001768 cations Chemical class 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 8
- 239000011651 chromium Substances 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 239000002351 wastewater Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 229910001430 chromium ion Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
本发明提供了一种污泥‑电解锰渣基重金属离子吸附剂的制备方法,属于重金属吸附材料制备技术领域。首先将污泥、电解锰渣和碱溶液混合进行改性处理,得到改性的污泥‑电解锰渣,再将改性的污泥‑电解锰渣进行微波处理,得到微波活化的污泥‑电解锰渣,最后将微波活化的污泥‑电解锰渣和钛酸正丁酯溶液混合后浸泡处理,即可得到污泥‑电解锰渣基重金属离子吸附剂。本发明通过将污泥和电解锰渣混合,再经过改性处理、微波处理、浸泡处理,制得的污泥‑电解锰渣基重金属离子吸附剂,对金属阳离子具有明显的吸附作用,尤其是对Cr2+、Pb2+的吸附效果明显。
Description
技术领域
本发明涉及重金属吸附材料制备技术领域,尤其涉及一种污泥-电解锰渣基重金属离子吸附剂的制备方法。
背景技术
我国生产锰的主要方式是电解工艺,电解锰渣(EMR)是指电解金属锰在生产过程中,锰矿石与硫酸反应后,过滤形成的酸渣,每生产1t电解锰精矿就会产生约7~9t的EMR。随着锰矿石不断开采,富矿越来越少,矿石品位越来越低电解锰行业迅猛发展、巨大市场需求以及提取效率的局限,使得EMR堆积量越来越大。大量EMR露天堆集,不仅占用了大量土地,露天堆积EMR还会污染环境,同时形成的尾矿库还存在潜在安全隐患。因此,越来越多研究者将目光聚集在提高EMR的综合利用率上。然而电解锰渣的主要成分为二氧化硅、硫酸钙、三氧化二铝、三氧化二铁、氧化锰等,成分复杂,pH呈酸性,难以有效利用。
国内外对重金属废水的处理主要采用沉淀、离子交换、反渗透、吸附等方法,其中吸附法操作方便、成本低,然而吸附法的关键是制备一种吸附性能优异的吸附剂。因此,利用电解锰渣制备一种重金属离子吸附剂具有重要意义。
发明内容
本发明的目的在于提供一种污泥-电解锰渣基重金属离子吸附剂的制备方法,以解决电解锰渣大量堆积,占用土地以及污染环境的技术问题。
为了实现上述发明目的,本发明提供以下技术方案:
本发明提供了一种污泥-电解锰渣基重金属离子吸附剂的制备方法,包括以下步骤:
(1)将污泥、电解锰渣和碱溶液混合进行改性处理,得到改性的污泥-电解锰渣;
(2)将改性的污泥-电解锰渣进行微波处理,得到微波活化的污泥-电解锰渣;
(3)将微波活化的污泥-电解锰渣和钛酸正丁酯溶液混合后浸泡处理,即可得到污泥-电解锰渣基重金属离子吸附剂。
作为优选,所述步骤(1)中,污泥、电解锰渣和碱溶液的质量体积比为40~60g:40~60g:80~100mL。
作为优选,所述步骤(1)中,碱溶液包含氢氧化钠溶液、氢氧化钾溶液、碳酸钠溶液和碳酸钾溶液中的一种或几种,其中碱溶液的浓度为0.2~0.5mol/L。
作为优选,所述步骤(1)中,改性处理的温度为20~30℃,时间为2~4h。
作为优选,所述步骤(2)中,微波处理的功率为800~1200W,时间为20~30min。
作为优选,所述步骤(3)中,钛酸正丁酯溶液由钛酸正丁酯和乙醇配制而成,其中钛酸正丁酯溶液的浓度为0.1~0.3mol/L。
作为优选,所述步骤(3)中,微波活化的污泥-电解锰渣和钛酸正丁酯溶液的固液比为1~10g:100~200mL。
作为优选,所述步骤(3)中,浸泡处理的时间为10~20min。
本发明的有益效果:
(1)本发明通过将污泥和电解锰渣混合,再经过改性处理、微波处理、浸泡处理,得到污泥-电解锰渣基重金属离子吸附剂,对金属阳离子具有明显的吸附作用,尤其是对Cr2+、Pb2+的吸附效果明显;
(2)本发明使用的原料污泥和电解锰渣都是废弃物,通过本发明的技术方案实现了污泥和电解锰渣的资源化利用。
(3)电解锰渣中的氧化钙可以作为污泥的改性剂,进一步提高污泥吸附重金属的能力。
具体实施方式
本发明提供了一种污泥-电解锰渣基重金属离子吸附剂的制备方法,包括以下步骤:
(1)将污泥、电解锰渣和碱溶液混合进行改性处理,得到改性的污泥-电解锰渣;
(2)将改性的污泥-电解锰渣进行微波处理,得到微波活化的污泥-电解锰渣;
(3)将微波活化的污泥-电解锰渣和钛酸正丁酯溶液混合后浸泡处理,即可得到污泥-电解锰渣基重金属离子吸附剂。
在本发明中,所述使用的污泥、电解锰渣优选分别经过干燥、粉碎、球磨、过100目筛后使用。
在本发明中,所述步骤(1)中,污泥、电解锰渣和碱溶液的质量体积比为40~60g:40~60g:80~100mL,优选为45~55g:45~55g:85~95mL,进一步优选为50g:50g:90mL。
在本发明中,所述步骤(1)中,碱溶液包含氢氧化钠溶液、氢氧化钾溶液、碳酸钠溶液和碳酸钾溶液中的一种或几种,优选为氢氧化钠溶液、氢氧化钾溶液和碳酸钠溶液中的一种或几种,进一步优选为氢氧化钠溶液和/或氢氧化钾溶液;其中碱溶液的浓度为0.2~0.5mol/L,优选为0.25~0.45mol/L,进一步优选为0.3~0.4mol/L。
在本发明中,所述步骤(1)中,改性处理的温度为20~30℃,优选为22~28℃,进一步优选为25℃;时间为2~4h,优选为2.2~3.8h,进一步优选为2.5~3.5h。
在本发明中,所述步骤(2)中,微波处理的功率为800~1200W,优选为850~1150W,进一步优选为900~1100W;时间为20~30min,优选为22~28min,进一步优选为25min。
在本发明中,所述步骤(3)中,钛酸正丁酯溶液由钛酸正丁酯和乙醇配制而成,其中钛酸正丁酯溶液的浓度为0.1~0.3mol/L,优选为0.15~0.25mol/L,进一步优选为0.2mol/L。
在本发明中,所述步骤(3)中,微波活化的污泥-电解锰渣和钛酸正丁酯溶液的固液比为1~10g:100~200mL,优选为2~8g:120~180mL,进一步优选为5g:140~160mL。
在本发明中,所述步骤(3)中,浸泡处理的时间为10~20min,优选为12~18min,进一步优选为15min。
下面结合实施例对本发明提供的技术方案进行详细的说明,但是不能把它们理解为对本发明保护范围的限定。
实施例1
将污泥、电解锰渣和氢氧化钠溶液按照质量体积比为50g:50g:100mL混合,其中氢氧化钠溶液的浓度为0.2mol/L,混合后在25℃条件下改性处理3h,得到改性的污泥-电解锰渣。
将改性的污泥-电解锰渣进行微波处理,其中微波处理的功率为1000W,时间为25min,经过洗涤、干燥得到微波活化的污泥-电解锰渣。
将微波活化的污泥-电解锰渣和钛酸正丁酯溶液按照5g:150mL混合后进行浸泡处理15min,其中钛酸正丁酯溶液由钛酸正丁酯和乙醇配制而成,浓度为0.2mol/L,之后进行洗涤、干燥即可得到污泥-电解锰渣基重金属离子吸附剂。
实施例2
将污泥、电解锰渣和氢氧化钠溶液按照质量体积比为40g:60g:80mL混合,其中氢氧化钾溶液的浓度为0.3mol/L,混合后在30℃条件下改性处理2h,得到改性的污泥-电解锰渣。
将改性的污泥-电解锰渣进行微波处理,其中微波处理的功率为800W,时间为30min,经过洗涤、干燥得到微波活化的污泥-电解锰渣。
将微波活化的污泥-电解锰渣和钛酸正丁酯溶液按照1g:100mL混合后进行浸泡处理20min,其中钛酸正丁酯溶液由钛酸正丁酯和乙醇配制而成,浓度为0.1mol/L,之后进行洗涤、干燥即可得到污泥-电解锰渣基重金属离子吸附剂。
实施例3
将污泥、电解锰渣和氢氧化钠溶液按照质量体积比为60g:40g:90mL混合,其中碳酸钠的浓度为0.5mol/L,混合后在20℃条件下改性处理4h,得到改性的污泥-电解锰渣。
将改性的污泥-电解锰渣进行微波处理,其中微波处理的功率为1200W,时间为20min,经过洗涤、干燥得到微波活化的污泥-电解锰渣。
将微波活化的污泥-电解锰渣和钛酸正丁酯溶液按照10g:200mL混合后进行浸泡处理10min,其中钛酸正丁酯溶液由钛酸正丁酯和乙醇配制而成,浓度为0.3mol/L,之后进行洗涤、干燥即可得到污泥-电解锰渣基重金属离子吸附剂。
对比例1
与实施例1的区别在于没有添加污泥,其他条件与实施例1均相同。
对比例2
与实施例1的区别在于没有进行微波处理,其他条件与实施例1均相同。
对比例3
与实施例1的区别在于没有进行浸泡处理,其他条件与实施例1均相同。
性能测试:
分别取0.1g实施例1~3和对比例1~3制备的吸附剂置于50mL、含浓度为300mg/L的铅离子(Pb2+)的废水中,在20℃的恒温水浴振荡器中振荡2h,取上清液测定Pb2+的浓度,计算去除率。
分别取0.1g实施例1~3和对比例1~3制备的吸附剂置于50mL、含浓度为300mg/L的铬离子(Cr2+)的废水中,在20℃的恒温水浴振荡器中振荡2h,取上清液测定Cr2+的浓度,计算去除率。
表1重金属离子去除率
编号 | Pb2+去除率(%) | Cr2+去除率(%) |
实施例1 | 95.62 | 99.06 |
实施例2 | 93.21 | 99.12 |
实施例3 | 91.19 | 98.75 |
对比例1 | 89.31 | 84.82 |
对比例2 | 79.82 | 75.30 |
对比例3 | 85.68 | 82.24 |
从表1可以看出,本发明通过将污泥和电解锰渣混合,再经改性处理、微波处理、浸泡处理,制得的污泥-电解锰渣基重金属离子吸附剂对重金属离子(Pb2+、Cr2+)具有良好的吸附性能,对于Pb2+的去除率达到91%以上,对于Cr2+的去除率达到98%以上。
由以上实施例可知,本发明提供了一种污泥-电解锰渣基重金属离子吸附剂的制备方法,本发明首先将污泥、电解锰渣和碱溶液混合进行改性处理,得到改性的污泥-电解锰渣,再将改性的污泥-电解锰渣进行微波处理,得到微波活化的污泥-电解锰渣,最后微波活化的污泥-电解锰渣和钛酸正丁酯溶液混合后浸泡处理,即可得到污泥-电解锰渣基重金属离子吸附剂。通过将污泥和电解锰渣混合,再经过改性处理、微波处理、浸泡处理,得到污泥-电解锰渣基重金属离子吸附剂,对金属阳离子具有明显的吸附作用,尤其是对Cr2+、Pb2+的吸附效果明显。
以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。
Claims (8)
1.一种污泥-电解锰渣基重金属离子吸附剂的制备方法,其特征在于,包括以下步骤:
(1)将污泥、电解锰渣和碱溶液混合进行改性处理,得到改性的污泥-电解锰渣;
(2)将改性的污泥-电解锰渣进行微波处理,得到微波活化的污泥-电解锰渣;
(3)将微波活化的污泥-电解锰渣和钛酸正丁酯溶液混合后浸泡处理,即可得到污泥-电解锰渣基重金属离子吸附剂。
2.根据权利要求1所述的制备方法,其特征在于,所述步骤(1)中,污泥、电解锰渣和碱溶液的质量体积比为40~60g:40~60g:80~100mL。
3.根据权利要求1或2所述的制备方法,其特征在于,所述步骤(1)中,碱溶液包含氢氧化钠溶液、氢氧化钾溶液、碳酸钠溶液和碳酸钾溶液中的一种或几种,其中碱溶液的浓度为0.2~0.5mol/L。
4.根据权利要求3所述的制备方法,其特征在于,所述步骤(1)中,改性处理的温度为20~30℃,时间为2~4h。
5.根据权利要求2或4所述的制备方法,其特征在于,所述步骤(2)中,微波处理的功率为800~1200W,时间为20~30min。
6.根据权利要求5所述的制备方法,其特征在于,所述步骤(3)中,钛酸正丁酯溶液由钛酸正丁酯和乙醇配制而成,其中钛酸正丁酯溶液的浓度为0.1~0.3mol/L。
7.根据权利要求1或2或6所述的制备方法,其特征在于,所述步骤(3)中,微波活化的污泥-电解锰渣和钛酸正丁酯溶液的固液比为1~10g:100~200mL。
8.根据权利要求7所述的制备方法,其特征在于,所述步骤(3)中,浸泡处理的时间为10~20min。
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Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1143456A1 (ru) * | 1984-01-16 | 1985-03-07 | Институт Минералогии,Геохимии И Кристаллохимии Редких Элементов | Сорбент ионов металлов |
RU2126294C1 (ru) * | 1998-01-27 | 1999-02-20 | Патковская Наталия Андреевна | Сорбиционно-фильтрующий материал, способ его получения и способ очистки жидких сред |
JP2016187795A (ja) * | 2015-03-30 | 2016-11-04 | 大成建設株式会社 | 重金属吸着剤及びその製造方法 |
CN108339534A (zh) * | 2018-03-02 | 2018-07-31 | 东莞市联洲知识产权运营管理有限公司 | 一种改性生物炭基复合材料的制备方法 |
CN109482146A (zh) * | 2018-11-21 | 2019-03-19 | 山东省科学院新材料研究所 | 一种改性污泥活性炭重金属吸附材料的制备方法 |
CN109570208A (zh) * | 2018-12-10 | 2019-04-05 | 山东省科学院新材料研究所 | 一种重金属污染土壤生物炭修复材料 |
CN109759004A (zh) * | 2017-11-09 | 2019-05-17 | 湖南永清环保研究院有限责任公司 | 一种利用锰渣制备吸附材料的方法 |
CN112547011A (zh) * | 2020-11-26 | 2021-03-26 | 华北理工大学 | 一种利用微波法制备污泥基磁性活性炭的技术 |
AU2021100339A4 (en) * | 2021-01-19 | 2021-04-15 | Research Insitute of Industrial Technology of AHUT at XuanCheng Co., Ltd. | A Method For Preparing Organic-Inorganic Compound Fertilizer By Utilizing Kitchen Waste |
WO2021093491A1 (zh) * | 2019-11-14 | 2021-05-20 | 西南科技大学 | 一种电场强化电解锰渣无害化处理的方法 |
CN113663706A (zh) * | 2021-08-03 | 2021-11-19 | 中南大学 | 一种污泥基生物碳-锰渣复合催化剂及其制备方法和应用 |
KR20230050605A (ko) * | 2021-10-08 | 2023-04-17 | 한국지질자원연구원 | 광산배수처리장에서 발생하는 망간슬러지를 이용한 흡착제 제조방법 및 이를 이용한 폐수처리방법 |
-
2023
- 2023-04-23 CN CN202310441374.6A patent/CN116351385B/zh active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1143456A1 (ru) * | 1984-01-16 | 1985-03-07 | Институт Минералогии,Геохимии И Кристаллохимии Редких Элементов | Сорбент ионов металлов |
RU2126294C1 (ru) * | 1998-01-27 | 1999-02-20 | Патковская Наталия Андреевна | Сорбиционно-фильтрующий материал, способ его получения и способ очистки жидких сред |
JP2016187795A (ja) * | 2015-03-30 | 2016-11-04 | 大成建設株式会社 | 重金属吸着剤及びその製造方法 |
CN109759004A (zh) * | 2017-11-09 | 2019-05-17 | 湖南永清环保研究院有限责任公司 | 一种利用锰渣制备吸附材料的方法 |
CN108339534A (zh) * | 2018-03-02 | 2018-07-31 | 东莞市联洲知识产权运营管理有限公司 | 一种改性生物炭基复合材料的制备方法 |
CN109482146A (zh) * | 2018-11-21 | 2019-03-19 | 山东省科学院新材料研究所 | 一种改性污泥活性炭重金属吸附材料的制备方法 |
CN109570208A (zh) * | 2018-12-10 | 2019-04-05 | 山东省科学院新材料研究所 | 一种重金属污染土壤生物炭修复材料 |
WO2021093491A1 (zh) * | 2019-11-14 | 2021-05-20 | 西南科技大学 | 一种电场强化电解锰渣无害化处理的方法 |
CN112547011A (zh) * | 2020-11-26 | 2021-03-26 | 华北理工大学 | 一种利用微波法制备污泥基磁性活性炭的技术 |
AU2021100339A4 (en) * | 2021-01-19 | 2021-04-15 | Research Insitute of Industrial Technology of AHUT at XuanCheng Co., Ltd. | A Method For Preparing Organic-Inorganic Compound Fertilizer By Utilizing Kitchen Waste |
CN113663706A (zh) * | 2021-08-03 | 2021-11-19 | 中南大学 | 一种污泥基生物碳-锰渣复合催化剂及其制备方法和应用 |
KR20230050605A (ko) * | 2021-10-08 | 2023-04-17 | 한국지질자원연구원 | 광산배수처리장에서 발생하는 망간슬러지를 이용한 흡착제 제조방법 및 이를 이용한 폐수처리방법 |
Non-Patent Citations (9)
Title |
---|
A novel multi-components hierarchical porous composite prepared from solid wastes for benzohydroxamic acid degradation;Li MK等;JOURNAL OF COLLOID AND INTERFACE SCIENCE;20230115;第630卷;714-726 * |
Effect of Aggregate Addition on The Properties of Unburned Brick of Electrolytic Manganese Slag;Qin JT等;2017 3rd International Conference on Energy, Environment and Materials Science (EEMS);20171231;94 * |
Electrolytic manganese residue-biochar composite for simultaneous removal of antimony and arsenic from water: Adsorption performance and mechanisms;Wei M等;JURNAL OF CLEANER PRODUCTION;20240105;第437 卷;140623 * |
Insights into the enhanced effect of biochar on cadmium removal in vertical flow constructed wetlands;Wang GL等;JOURNAL OF HAZARDOUS MATERIALS;20230205;第443卷;130148 * |
δ-MnO_2吸附锰矿浸出液中重金属Co~(2+)、Ni~(2+)的研究;贾永真等;工业水处理;20220707;第42卷(第12期);85-90 * |
利用电解锰渣制备As(Ⅲ)吸附材料及其性能研究;孙燕;蓝际荣;郭莉;孙朋;叶恒朋;杜冬云;占伟;;化工学报;20190320(06);359-367 * |
基于锰渣制备催化剂高效去除双酚A;雒梦琦等;有色金属科学与工程;20230430;第14卷(第02期);210-218 * |
电解锰阳极渣矿物学特征分析与研究;蔡启果等;矿产综合利用;20190225(第01期);74-77 * |
钢渣-锰渣复合陶粒对Pb~(2+)的动态吸附;查雨虹等;环境科学与技术;20220615;第45卷(第S1期);15-20 * |
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