CN106698832A - 红薯酒精废水的处理方法 - Google Patents
红薯酒精废水的处理方法 Download PDFInfo
- Publication number
- CN106698832A CN106698832A CN201611256736.0A CN201611256736A CN106698832A CN 106698832 A CN106698832 A CN 106698832A CN 201611256736 A CN201611256736 A CN 201611256736A CN 106698832 A CN106698832 A CN 106698832A
- Authority
- CN
- China
- Prior art keywords
- waste water
- iron powder
- solid
- treatment
- ipomoea batatas
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F1/70—Treatment of water, waste water, or sewage by reduction
- C02F1/705—Reduction by metals
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F2003/001—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F2003/001—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms
- C02F2003/003—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms using activated carbon or the like
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/24—Separation of coarse particles, e.g. by using sieves or screens
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Biological Treatment Of Waste Water (AREA)
- Water Treatment By Sorption (AREA)
Abstract
本发明介绍的红薯酒精废水的处理方法包括液固分离、CO2加压铁粉还原、厌氧、好氧和生物滤塔处理等工序,处理后的废水可稳定达标排放。
Description
技术领域
本发明涉及红薯酒精废水的一种处理方法。
背景技术
红薯是生产酒精的主要原料之一,其生产产生的有机废水中污染物COD浓度高,成分复杂,处理难度大。该废水若不处理直接排入环境,将对环境造成严重污染。目前红薯酒精废水的处理方法主要是生物处理法。由于红薯酒精废水中含有持久性有机污染物(含苯环和(或)杂环有机物),特别是采用鲜红薯为主要原料时,持久性有机污染物的浓度较高,由此造成生物法处理红薯酒精废水很难稳定达标排放。开发能稳定达标排放的红薯酒精废水的处理方法具有较大实用价值。
发明内容
针对目前红薯酒精废水处理方法的问题,本发明的目的是寻找能稳定达标排放的红薯酒精废水的处理方法,其特征在于将红薯酒精废水进行液固分离,分离出的废水进入调节池,分离出的固体作饲料。经调节池调节后的红薯酒精废水送入耐压反应器,将清洁铁粉加入反应器,并通入工业CO2进行反应,铁粉的粒度小于180目,每升废水加入铁粉5g~30g,搅拌反应时间为1h~3h,反应温度为25℃~60℃,CO2的压力为0.1MPa~0.6MPa。反应后的废水进行液固分离,分离出的铁粉返回反应器。液固分离后的废水用石灰乳或其他碱性物质调节其pH值到7.0~8.5,然后进入厌氧反应器。废水在厌氧反应器停留24h~120h,厌氧温度为25℃~55℃。厌氧后的废水进入生物好氧池常温处理,好氧处理时间为4h~12h。好氧处理后的废水进入沉淀池,沉淀时间为1h~3h。不定期从沉淀池中抽出污泥进行过滤,滤饼作一般固体废弃物处置,滤液返回好氧池。沉淀池的上清废水送多层生物滤塔处理。生物滤塔的填料为活性炭或多孔陶粒,每层厚度为0.5m~1.0m,总厚度为1m~3m。生物滤塔的优势菌种为光合细菌中的红假单胞菌(Rhodopseudomonas)。生物滤塔的水力负荷为50 m3/m2.d~150m3/m2.d。生物滤塔的出水达标排放或回用。
本发明的目的是这样实现的,红薯酒精废水的固态物质较多,在进入铁粉还原反应器前,进行液固分离,避免固态物质对铁粉还原的影响,也有利于未反应完的铁粉回收再利用。废水进入铁粉还原反应器后,废水中的大分子有机物,特别是持久性有机污染物(含苯环和(或)杂环等的有机物)通过铁粉还原产生的强还原自由基的作用而破坏,为后续生化处理创造有利条件。通入压力CO2的目的是维持铁粉还原合适的pH值(2.0~5.0),还原后的废水用石灰乳或其他碱性物质调节其pH,以满足后续厌氧和好氧过程的要求。经前述处理的废水在厌氧过程中,通过微生物的作用,大分子有机物进一步变成小分子有机物,为后续生物氧化创造更有利条件。通过生物氧化处理,剩余的大多数有机物被去除,同时去除氮磷等污染物。废水最后进入活性炭或多孔陶粒生物滤塔,在微生物,特别是红假单胞菌的作用下,进一步去除有机物和氮磷等污染物,保证处理后的废水稳定达标排放。
相对于现有方法,本发明的突出优点是采用铁粉还原,将废水中的持久性污染物破坏,为后续生物处理创造有利条件,从而保证处理后的废水稳定达标排放;相对于在其它废水处理中使用的金属还原法,采用CO2代替目前广泛使用的硫酸作酸化剂,不引入SO4 2-离子,消除了产生H2S的物质基础,从而避免了H2S的污染,同时也避免了SO4 2-对厌氧和好氧过程中微生物的抑制作用,大大提高生物处理的效率;红薯酒精厂都建有锅炉,燃料燃烧产生的CO2废气可充分利用,不仅可降低处理成本,而且可以减少碳排放;处理后的废水能稳定达标排放,具有明显的经济效益和环境效益。
具体实施方法
实施例1:每天处理1m3红薯酒精废水(成分: CODCr38500 mg/L、T-N42.2m/L、SS28000mg/L、 T-P4.5mg/L、色度750),经液固分离、铁粉还原(1h、40℃、CO2压力0.6MPa、每升废水加入铁粉15g)、厌氧(pH8.5、72h、25℃~35℃)、好氧(4h)和生物滤塔(多孔陶粒填料层总厚度1m、水力负荷50m3/m2.d)处理后出水的CODCr为58mg/L、T-N7.2mg/L、T-P0.2mg/L、色度25。
实施例2:每天处理5m3红薯酒精废水(成分:CODCr40500 mg/L、T-N45.1m/L、SS31500mg/L、 T-P4.2mg/L、色度780),经液固分离、铁粉还原(2.5h、25℃、CO2压力0.1MPa、每升废水加入铁粉5g)、厌氧(pH7.0、24h、35℃~55℃)、好氧(6h)和生物滤塔(活性炭填料层总厚度2m、水力负荷150m3/m2.d)处理后出水的CODCr为62mg/L、T-N7.6mg/L、T-P0.2mg/L、色度27。
Claims (1)
1. 一种红薯酒精废水的处理方法,其特征在于将红薯酒精废水进行液固分离,分离出的废水进入调节池,分离出的固体作饲料,经调节池调节后的红薯酒精废水送入耐压反应器,将清洁铁粉加入反应器,并通入工业CO2进行反应,铁粉的粒度小于180目,每升废水加入铁粉5g~30g,搅拌反应时间为1h~3h,反应温度为25℃~60℃,CO2的压力为0.1MPa~0.6MPa,反应后的废水进行液固分离,分离出的铁粉返回反应器,液固分离后的废水用石灰乳或其他碱性物质调节其pH值到7.0~8.5,然后进入厌氧反应器,废水在厌氧反应器停留24h~120h,厌氧温度为25℃~55℃,厌氧后的废水进入生物好氧池常温处理,好氧处理时间为4h~12h,好氧处理后的废水进入沉淀池,沉淀时间为1h~3h,不定期从沉淀池中抽出污泥进行过滤,滤饼作一般固体废弃物处置,滤液返回好氧池,沉淀池的上清废水送多层生物滤塔处理,生物滤塔的填料为活性炭或多孔陶粒,填料总厚度为1m~3m,生物滤塔的优势菌种为光合细菌中的红假单胞菌,生物滤塔的水力负荷为50 m3/m2.d~150m3/m2.d,生物滤塔的出水达标排放或回用。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611256736.0A CN106698832A (zh) | 2016-12-30 | 2016-12-30 | 红薯酒精废水的处理方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611256736.0A CN106698832A (zh) | 2016-12-30 | 2016-12-30 | 红薯酒精废水的处理方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106698832A true CN106698832A (zh) | 2017-05-24 |
Family
ID=58906199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611256736.0A Pending CN106698832A (zh) | 2016-12-30 | 2016-12-30 | 红薯酒精废水的处理方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106698832A (zh) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101665311A (zh) * | 2009-09-24 | 2010-03-10 | 中南大学 | 高浓度难降解有机废水的催化微电解组合工艺 |
-
2016
- 2016-12-30 CN CN201611256736.0A patent/CN106698832A/zh active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101665311A (zh) * | 2009-09-24 | 2010-03-10 | 中南大学 | 高浓度难降解有机废水的催化微电解组合工艺 |
Non-Patent Citations (6)
Title |
---|
宋志伟 等: "《水污染控制工程》", 31 July 2013, 中国矿业大学出版社 * |
张修正: "《化工厂电气手册》", 31 December 1994, 化学工业出版社 * |
施悦 等: "《环境氧化还原处理技术原理与应用》", 31 August 2013, 哈尔滨工业大学出版社 * |
湖南省爱国卫生运动委员会办公室 等: "《爱国卫生运动工作手册》", 31 July 1986, 湖南人民出版社 * |
蒋克彬: "《污水处理工艺与应用》", 31 March 2014, 中国石化出版社 * |
郑西来: "《地下水污染控制》", 31 July 2009, 华中科技大学出版社 * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106698832A (zh) | 红薯酒精废水的处理方法 | |
CN106746236A (zh) | 化工有机废水的处理方法 | |
CN106746241A (zh) | 红薯酒精废水的处理方法 | |
CN106746240A (zh) | 红薯酒精废水的处理方法 | |
CN106746242A (zh) | 红薯酒精废水的处理方法 | |
CN106673339A (zh) | 红薯酒精废水的处理方法 | |
CN106746251A (zh) | 红薯酒精废水的处理方法 | |
CN106746283A (zh) | 红薯酒精废水的处理方法 | |
CN107055935A (zh) | 红薯酒精废水的处理方法 | |
CN106746285A (zh) | 红薯酒精废水的处理方法 | |
CN106746239A (zh) | 红薯酒精废水的处理方法 | |
CN106746286A (zh) | 红薯酒精废水的处理方法 | |
CN106673338A (zh) | 红薯酒精废水的处理方法 | |
CN106746237A (zh) | 红薯酒精废水的处理方法 | |
CN106746250A (zh) | 红薯酒精废水的处理方法 | |
CN106746282A (zh) | 红薯酒精废水的处理方法 | |
CN106587512A (zh) | 红薯酒精废水的处理方法 | |
CN106746298A (zh) | 丙丁总溶剂生产废水的处理方法 | |
CN106587522A (zh) | 丙丁总溶剂生产废水的处理方法 | |
CN106698827A (zh) | 红薯酒精废水的处理方法 | |
CN106673337A (zh) | 红薯酒精废水的处理方法 | |
CN106746280A (zh) | 化工有机废水的处理方法 | |
CN106746284A (zh) | 红薯酒精废水的处理方法 | |
CN106698836A (zh) | 丙丁总溶剂生产废水的处理方法 | |
CN106630463A (zh) | 煤焦油废水的处理方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |