CN104276649A - 一种处理印染废水中苯酚的方法 - Google Patents
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- 239000000243 solution Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
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- 238000003756 stirring Methods 0.000 claims abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000003054 catalyst Substances 0.000 claims abstract description 4
- 239000008367 deionised water Substances 0.000 claims abstract description 4
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- 238000007639 printing Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 6
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- 239000010865 sewage Substances 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- 230000001678 irradiating effect Effects 0.000 abstract 1
- 239000000975 dye Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000007599 discharging Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 239000012028 Fenton's reagent Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000002306 biochemical method Methods 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
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- 230000008859 change Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
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- 238000006731 degradation reaction Methods 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- VEPSWGHMGZQCIN-UHFFFAOYSA-H ferric oxalate Chemical class [Fe+3].[Fe+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O VEPSWGHMGZQCIN-UHFFFAOYSA-H 0.000 description 1
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- 239000000376 reactant Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
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- C02F1/722—Oxidation by peroxides
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- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
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- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- C02F2101/345—Phenols
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
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Abstract
本发明涉及一种处理印染废水中苯酚的方法,属于污水处理领域。精确量取1.3L浓度为20mg/L的过氧化氢,0.05g草酸钾,加入2.0L去离子水配成溶液,将上述溶液放置在超声波声中,并调节超声波频率为600HZ,在超声波的作用下震荡0.5-1.0h;随后再向混合液中加入0.05kgFe2O3,并用盐酸调节pH为3.0-3.5;同时启动电子激发器,调节超声波频率至800HZ,在紫外灯下照射2-3小时;静置,0.5-1.0h后,加入2-3g负载催化剂的活性炭粉,吸取上述混合溶液,加入到含有苯酚的印染废水中,加入的量为100-200mg/L,并同时开启紫外灯,搅拌,反应10-15min即可。
Description
技术领域
本发明涉及一种处理印染废水中苯酚的方法,属于污水处理领域。
背景技术
近年来,印染企业制造的产品种类越来越多,除了生产方法不同外,纤维成分也有较大改变,尤其是近年来化学纤维的迅猛发展,所以其生产过程中排出的废水水质也常常改变。印染废水颜色多变,色度高,排入河流进河水里变黑,色度是印染废水的主要控制指标之一,造成印染废水色度的主要原因是染料,它们处于物质转化的过渡阶段,性质极不稳定,COD值很高。据统计,全世界纺织用染料生产为40多万吨,印染加工过程中越有10%—20%染料进入废水排入水体,废水中的染料能吸收光线,降低水体透明度,大量消耗水中的氧,破坏水体自净,这种废水如不进行处理,则会对受纳水体产生较大的有机性污染,是生态系统产生较大的破坏,因此印染废水的治理势在必行。
目前处理印染废水中苯酚多采用物理化学方法、生物方法及电化学方法,常用的物化方法有离子交换法、超滤、膜技术等;化学法如混凝法、氧化法、电解法等;生物法有厌氧好氧工艺等,从国内部分染料厂废水处理工艺及效果看出,采用传统的物化、生化的方法处理染料废水较难达到去除效果、经济成本、生态保护的统一,同时色度仍不易达标。而电化学法电能消耗量大、电极材料消耗过多、当反应物浓度不高时,处理时间延长,电流效率地。因此这些方法都不能很好地将其去除。
发明内容
本发明针对传统的物化、生化的方法处理印染废水中苯酚较难达到去除效果,从而提出一种去除效果高、经济成本低、具有保护生态统一的一种处理印染废水中苯酚的方法。
为了达成上述目的,采用的具体技术方案是:
(1)精确量取1.3L浓度为20mg/L的过氧化氢,0.05g草酸钾,加入2.0L去离子水配成溶液;
(2)将上述溶液放置在超声波声中,并调节超声波频率为600HZ,在超声波的作用下震荡0.5-1.0h;
(3)随后再向混合液中加入0.05kgFe2O3,并用盐酸调节pH为3.0-3.5;
(4)同时启动电子激发器,调节超声波频率至800HZ,在紫外灯下照射2-3小时;
(5)静置,0.5-1.0h后,加入2-3g负载催化剂的活性炭粉,所述活性碳粉上负载的催化剂为铜-铑-铂合金,其质量比为各占三分之一。
本发明的应用方法为:吸取上述混合溶液,加入到含有苯酚的印染废水中,加入的量为100-200mg/L,并同时开启紫外灯,搅拌,反应10-15min即可。
本发明具有的显著优势在于:
(1)以过氧化氢为原料,与活性炭混合,采用与超声波条件结合共同作用的方法,对废水中苯酚进行处理,大大提高苯酚的降解速率;
(2)氧化亚铁中亚铁离子与过氧化氢可构成Fenton试剂,能在不是酸性条件下可对苯酚进行深度处理,且处理效果明显;
(3)整个反应过程中,中间产物草酸铁络合物在光照条件下,可降解,且混合液可再次处理苯酚,节能,经济环保。
具体实施方案
一种处理印染废水中苯酚的方法,方法为:
(1)精确量取1.3L浓度为20mg/L的过氧化氢,0.05g草酸钾,加入2.0L去离子水配成溶液;
(2)将上述溶液放置在超声波声中,并调节超声波频率为600HZ,在超声波的作用下震荡0.5-1.0h;
(3)随后再向混合液中加入0.05kgFe2O3,并用盐酸调节pH为3.0-3.5;
(4)同时启动电子激发器,调节超声波频率至800HZ,在紫外灯下照射2-3小时;
(5)静置,0.5-1.0h后,加入2-3g负载催化剂的活性炭粉,所述活性碳粉上负载的催化剂为铜-铑-铂合金,其质量比为各占三分之一。
实例1
在某市的印染厂中取出部分印染废水,用分光光度计检测出该印染废水中苯酚的浓度是620mg/L,吸取上述混合溶液,加入到含有苯酚的印染废水中,加入的量为100mg/L,并同时开启紫外灯,搅拌,反应10min即可。
经检测印染废水中苯酚的浓度为0.75mg/L,去除率是99.87%,符合国家排放标准。
实例2
在某市的印染厂中取出部分印染废水,用分光光度计检测出该印染废水中苯酚的浓度是720mg/L,吸取上述混合溶液,加入到含有苯酚的印染废水中,加入的量为150mg/L,并同时开启紫外灯,搅拌,反应13min即可,经检测印染废水中苯酚的浓度均为0.83mg/L,去除率是99.63%,符合国家排放标准。
实例3
在某市的印染厂中取出部分印染废水,用分光光度计检测出该印染废水中苯酚的浓度是550mg/L,吸取上述混合溶液,加入到含有苯酚的印染废水中,加入的量为200mg/L,并同时开启紫外灯,搅拌,反应15min即可,经检测印染废水中苯酚的浓度均为0.71mg/L,去除率是99.89%,符合国家排放标准。
Claims (1)
1.一种处理印染废水中苯酚的方法,其特征在于具体处理步骤为:
(1)精确量取1.3L浓度为20mg/L的过氧化氢,0.05g草酸钾,加入2.0L去离子水配成溶液;
(2)将上述溶液放置在超声波声中,并调节超声波频率为600HZ,在超声波的作用下震荡0.5-1.0h;
(3)随后再向混合液中加入0.05kgFe2O3,并用盐酸调节pH为3.0-3.5;
(4)同时启动电子激发器,调节超声波频率至800HZ,在紫外灯下照射2-3小时;
(5)静置,0.5-1.0h后,加入2-3g负载催化剂的活性炭粉,所述活性碳粉上负载的催化剂为铜-铑-铂合金,其质量比为各占三分之一;
(6)吸取上述混合溶液,加入到含有苯酚的印染废水中,加入的量为100-200mg/L,并同时开启紫外灯,搅拌,反应10-15min即可。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107029801A (zh) * | 2017-05-08 | 2017-08-11 | 宁夏大学 | 一种用于催化降解苯酚的仿酶催化剂 |
CN115520952A (zh) * | 2021-06-24 | 2022-12-27 | 中国石油化工股份有限公司 | 一种有机废水的芬顿氧化处理方法 |
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JPH09271787A (ja) * | 1996-04-03 | 1997-10-21 | Mitsubishi Gas Chem Co Inc | 染料含有水溶液の脱色方法 |
CN2635204Y (zh) * | 2003-07-11 | 2004-08-25 | 天津工业大学材料化工学院 | 水冷式控温光化学反应器 |
CN1544360A (zh) * | 2003-11-13 | 2004-11-10 | 哈尔滨工业大学 | 多相富集、微波协同、催化氧化降解水中有机污染物的方法 |
CN1778722A (zh) * | 2005-10-09 | 2006-05-31 | 天津工业大学 | 染色废水脱色降解与回用方法 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09271787A (ja) * | 1996-04-03 | 1997-10-21 | Mitsubishi Gas Chem Co Inc | 染料含有水溶液の脱色方法 |
CN2635204Y (zh) * | 2003-07-11 | 2004-08-25 | 天津工业大学材料化工学院 | 水冷式控温光化学反应器 |
CN1544360A (zh) * | 2003-11-13 | 2004-11-10 | 哈尔滨工业大学 | 多相富集、微波协同、催化氧化降解水中有机污染物的方法 |
CN1778722A (zh) * | 2005-10-09 | 2006-05-31 | 天津工业大学 | 染色废水脱色降解与回用方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107029801A (zh) * | 2017-05-08 | 2017-08-11 | 宁夏大学 | 一种用于催化降解苯酚的仿酶催化剂 |
CN115520952A (zh) * | 2021-06-24 | 2022-12-27 | 中国石油化工股份有限公司 | 一种有机废水的芬顿氧化处理方法 |
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Application publication date: 20150114 |