CN106007203A - 一种纤维素燃料乙醇废水的处理方法 - Google Patents

一种纤维素燃料乙醇废水的处理方法 Download PDF

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CN106007203A
CN106007203A CN201610524253.8A CN201610524253A CN106007203A CN 106007203 A CN106007203 A CN 106007203A CN 201610524253 A CN201610524253 A CN 201610524253A CN 106007203 A CN106007203 A CN 106007203A
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waste water
fuel ethanol
reactor
cellulose fuel
reaction
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丁建峰
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WUXI HUADONG ELECTRIC POWER EQUIPMENT CO Ltd
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WUXI HUADONG ELECTRIC POWER EQUIPMENT CO Ltd
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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
    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • 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
    • 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
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge 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
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1236—Particular type of activated sludge installations
    • C02F3/1263—Sequencing batch reactors [SBR]
    • 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
    • C02F3/28—Anaerobic digestion processes
    • C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors

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  • 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)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

一本发明涉及一种纤维素燃料乙醇废水的处理方法，它包含以下步骤：1、去除废水中的固体悬浮物；2、将废水进行微电解；3、将微电解后的废水打入厌氧反应器进行反应；4、将上述反应后的废水打入好样反应器进行反应；5、检测各项指标是否达到排放标准。优选的是：所述的预处理方法是自然沉降、离心分离或板框压滤。优选的是：所述微电解采用的设备为固定式微电解设备。优选的是：所述的厌氧反应器是UASB、EGSB、IC或CSTR。优选的是：所述的好氧反应器是SBR或CASS。本发明的有益效果是：通过预处理‑微电解‑厌氧反应‑好氧反应将纤维素燃料乙醇废水处理至可排放标准，避免了废水贮存直排或农田灌概对环境造成的污染。

Description

一种纤维素燃料乙醇废水的处理方法
本发明涉及水处理技术，具体的说是一种纤维素燃料乙醇废水的处理方法。
背景技术
能源短缺是全球需要面对的重大课题之一。燃料乙醇作为一种重要的工业原料和车用燃料与汽油相比具有较高的辛烷值以及较低的CO2排放量，被广泛的认为是最有希望全部或部分替代石油的可再生能源。快速增长的对燃料乙醇的需求使得以纤维素类物质为原料进行燃料乙醇制备逐渐引起重视。
纤维素燃料乙醇废水具有CODCr（重铬酸钾作为氧化剂测定出的化学耗氧量）浓度高、悬浮物浓度高、色度高、含盐量高等特点，呈酸性，是一种较难处理的高浓度有机废水。目前燃料乙醇废水的处理方法主要有：贮存直排或农田灌概法，但此种方法会对土地质量和环境存在潜在的威胁，污染地下水，破坏土壤结构。随着纤维素乙醇工业的发展，在其生产工艺关键技术突破的同时，其产生大量高浓度有机废水的处理以及资源化的问题也会越来越突出，因此探讨适宜的废水处理及资源化模式具有非常重要的意义，也属于行业发展和企业急需。
发明内容
本发明的目的是提供一种纤维素燃料乙醇废水的处理方法，它包含以下步骤： （A）预处理：去除废水中的固体悬浮物；（B）将废水进行微电解；（C）厌氧反应：将微电解后的废水打入厌氧反应器进行反应；（D）好氧反应：将上述反应后的废水打入好样反应器进行反应；（E）检测各项指标是否达到排放标准。
优选的是：所述的预处理方法是自然沉降、离心分离或板框压滤。
优选的是：所述微电解采用的设备为固定式微电解设备。
优选的是：所述的厌氧反应器是上流式厌氧污泥床反应器（UASB）、膨胀床颗粒污 泥反应器（EGSB）、厌氧内循环反应(IC)或厌氧全混反应器（CSTR）。
优选的是：所述的好氧反应采用的是序列间歇式活性污泥法（SBR）或周期循环活 性污泥法（CASS）。
本发明的有益效果是：通过预处理-微电解-厌氧反应-好氧反应将纤维素燃料乙醇废水处理至可排放标准，避免了废水贮存直排或农田灌概对环境造成的污染。
具体实施方式
一种纤维素燃料乙醇废水的处理方法，它包含以下步骤：（1）预处理：去除废水中的固体悬浮物；（2）将废水进行微电解；（3）厌氧反应：将微电解后的废水打入厌氧反应器进行反应；（4）好氧反应：将上述反应后的废水打入好样反应器进行反应；（5）检测各项指标是否达到排放标准。
下面结合实施例对本发明做进一步说明。
分析预处理方法：自然沉降耗时长，效率低，但没有能耗；离心分离及板框压滤效率高，但都需耗能，同时板框压滤效率高于离心分离。综合考虑，为达到较高效率，采用板框压滤的方法进行对纤维素燃料乙醇废水的预处理。将上述废水打入固定式微电解设 备，固定式的微电解设备较流化式的处理效果好，能形成很好的微电池回路。微电解可以有 效除去废水中的钙、镁离子从而降低废水的硬度，同时电解产生可灭菌消毒的活性氢氧自 由基和活性氯，且电极表面的吸附作用也能杀死细菌，从而改善水质。厌氧反应采用产甲烷相-膨胀床颗粒污泥反应器（EGSB），好氧反应采用序列间歇式活性污泥法（SBR），根据原废水水质及水量控制反应时间。

Claims (5)

1.一种纤维素燃料乙醇废水的处理方法，它包含以下步骤：（A）预处理：去除废水中的固体悬浮物；（B）将废水进行微电解；（C）厌氧反应：将微电解后的废水打入厌氧反应器进行反应；（D）好氧反应：将上述反应后的废水打入好养反应器进行反应；（E）检测各项指标是否达到排放标准。
2. 按照权利要求 1 所述的一种纤维素燃料乙醇废水的处理方法，其特征在于：所述的预处理方法是自然沉降、离心分离或板框压滤。
3.按照权利要求 1 所述的一种纤维素燃料乙醇废水的处理方法，其特征在于：所述微电解采用的设备为固定式微电解设备。
4.按照权利要求 1 所述的一种纤维素燃料乙醇废水的处理方法，其特征在于：所述的厌氧反应器是 UASB、EGSB、IC 或 CSTR 反应器。
5.按照权利要求 1 所述的一种纤维素燃料乙醇废水的处理方法，其特征在于：所述的好氧反应器是 SBR 或 CASS 反应器。
CN201610524253.8A 2016-07-06 2016-07-06 一种纤维素燃料乙醇废水的处理方法 Pending CN106007203A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106587509A (zh) * 2016-12-28 2017-04-26 苏州首创嘉净环保科技股份有限公司 一种垃圾压滤液处理装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101367594A (zh) * 2008-09-23 2009-02-18 华东理工大学 一种纤维素发酵废水的处理方法
CN103570184A (zh) * 2012-07-31 2014-02-12 青岛嘉能节能环保技术有限公司 一种纤维素燃料乙醇废水的处理方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101367594A (zh) * 2008-09-23 2009-02-18 华东理工大学 一种纤维素发酵废水的处理方法
CN103570184A (zh) * 2012-07-31 2014-02-12 青岛嘉能节能环保技术有限公司 一种纤维素燃料乙醇废水的处理方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106587509A (zh) * 2016-12-28 2017-04-26 苏州首创嘉净环保科技股份有限公司 一种垃圾压滤液处理装置

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Application publication date: 20161012