CN106587395A - 一种多效水质稳定剂 - Google Patents

一种多效水质稳定剂 Download PDF

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CN106587395A
CN106587395A CN201611176278.XA CN201611176278A CN106587395A CN 106587395 A CN106587395 A CN 106587395A CN 201611176278 A CN201611176278 A CN 201611176278A CN 106587395 A CN106587395 A CN 106587395A
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郭俊森
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Xi'an Sky Petrochemical Technology Co Ltd
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    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
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    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/44—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/44—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
    • A01N37/46—N-acyl derivatives
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • 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
    • C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
    • 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
    • C02F2303/04—Disinfection
    • 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
    • C02F2303/08—Corrosion inhibition
    • 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
    • C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention

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Abstract

本发明涉及一种多效水质稳定剂，由聚天冬氨酸、植物酸、有机羧酸、氨基酸和水组成。本发明中的多效水质稳定剂，不仅可以阻垢、防腐或者控制，而且还能有效清除已形成的污垢及各种杂质附着物，另外对细菌滋生物有足够的杀灭、剥离作用。

Description

一种多效水质稳定剂
技术领域
本发明涉及水处理技术领域，特别涉及一种用于油田注水、循环冷却水等工业水处理的综合水质稳定剂。
背景技术
在工业生产中为了维护各种设备、设施的正常运行需供水或冷却水，油田开采需要注水保持地层能量，但在广泛的工业用水的应用过程中存在结垢、腐蚀、细菌繁衍或者污水再回用等因素需要对水质进行处理并保持水质稳定状态。
常规的为了解决此类问题的做法是分别向水中投加阻垢剂、缓蚀剂、杀菌剂，使之满足使用要求。采取该法处理的水质存在如下几方面的问题：①投加工作效率低、劳动强度较大、成本较高②在应用阻垢剂、杀菌剂、缓蚀剂时必须要验证药剂相互之间的配伍性，否则，可能相互减损、抵消使用功能，甚至恶化水质造成不良后果及损失。③含磷高、难于降解，排污易造成环境污染。
对此，现在很多专家都在研究水质稳定剂：如专利公开号为CN102965091A，是一种环保型水质稳定剂，由阻垢剂、缓蚀剂、助剂等复合组成，具有高效、低毒、并对环境友好的特点。该水处理剂运用于水系统中缓蚀和阻垢分散作用，能够在高硬度、高pH值、高浓缩倍数的条件下稳定运行。如专利公开号为CN1357497是一种循环冷却水中的水质稳定剂，能有效地防止冷却设备的腐蚀、结垢，并能有效地控制微生物。但这些专利有一个共同致命的弱点：只是能够阻垢、防腐或者控制，而不能对已形成的污垢及各种杂质附着物有效清除，另一方面对细菌滋生物没有足够的杀灭、剥离作用。因此，研究出一种功能全面、性能更优异的绿色环保水质稳定剂有着重大的意义。
发明内容
本发明的目的是：提供一种多效水质稳定剂。该剂不仅能有效防止钙、钡、铁等离子结垢，而且还具有杀菌、除垢、防腐等多种功能。适应于油田注水处理，也适应于电力、冶金、炼化等行业循环冷却水的处理。
本发明为了达到上述目的，可通过应用多种绿色化学品复配技术方案来实现。
一、多效水质稳定剂制造配方：
1、聚天冬氨酸8～30％。
2、植物酸6～12％。
3、有机羧酸5～20％。
4、氨基酸5～15％。
5、水40％～60％。
二、多效水质稳定剂的制备方法
先将聚天冬氨酸加入适量的水中搅拌溶解，然后加入植物酸，混合均匀；再加入有机羧酸、氨基酸；最后补充剩余水量，搅拌混合均匀。
三、多效水质稳定剂的使用方法
1、通常采用连续或冲击投加：连续式投加一般采用5-10mg/L，冲击式投加一般采用30-100mg/L，具体应结合现场水质做必要的评价筛选。
2、对于用于除垢、解堵一般采用5-20％投加使用。
本发明的有益效果：适用于油田注水处理，冶炼、炼化、电厂等设备的冷却循环水处理。解决水质结垢、腐蚀、细菌滋生等问题，而且，由于毒性低、易降解、无二次污染，耐酸、碱、盐及有机物的干扰，可实现比较理想的水质处理。
附图说明
图1多效水质稳定剂对钙离子的阻垢曲线。
图2多效水质稳定剂对钡离子的阻垢曲线。
图3多效水质稳定剂对铁离子的稳定曲线。
图4多效水质稳定剂对细菌、腐生菌、铁细菌生物的杀灭曲线。
图5多效水质稳定剂缓蚀率曲线。
图6多效水质稳定剂的可生物降解性曲线。
具体实施方式
为了使本发明清楚明白，结合实例，对本发明进一步说明。此处举例说明应用，是仅以解释本发明，并不用于限定发明。
实施例1：多效水质稳定剂的配制：加入12g聚天冬氨酸于50g水中，然后加植物酸8g，混匀，再加入有机羧酸18g，氨基酸12g后搅拌均匀，即为本例中配制成待使用的多效水质稳定剂。用于投加多效水质稳定剂对钙离子阻垢率。多效水质稳定剂按不同的浓度投加在表1所示的水溶液中。加热至50℃，待反应16h后，测定溶液中Ca2+的含量，计算出用于油田的注入水中对Ca2+的阻垢率。实验结果如图1所示，该聚氨酸增注剂投加浓度为30.0mg/L时对Ca2+具有很好的阻垢能力，浓度为50.0mg/L时，对Ca2+的阻垢率达到99％左右。
表1配制的注入水的离子组成
离子 Ca2+ Mg2+ K++Na+ Cl- SO4 2 HCO3
浓度(mg/L) 3800 120 4815 7100 10 6385
实施例2：用于油田注入水投加多效水质稳定剂对钡离子的阻垢率。
按照实施例1配多效水质稳定剂投加不同浓度于含Ba2+2800mg/L、SO4 2-2060mg/L的注入水中，加热至50℃，放置24h待反应完全后，测定溶液中Ba2+的含量，计算出用于多效水质稳定剂对Ba2+的阻垢率。实验结果如图2所示，投加多效水质稳定剂浓度为40mg/L时对Ba2 +具有较好的阻垢能力，随着多效水质稳定剂浓度增大，阻垢率升高，当浓度达到50mg/L以上时，对Ba2+的阻垢率在90％以上。
实施例3：用于油田的注入水投加多效水质稳定剂的铁离子稳定率。
按照实施例1配制多效水质稳定剂按不同浓度投加于注入水溶液。在注入水中使之含5000mg/L Fe3+，用碳酸钠调整pH值为5～6待反应完全后，测定溶液中Fe3+的含量，计算出用于油田的聚氨酸增注剂对Fe3+的稳定率。实验结果如图3所示，该聚氨酸增注剂投加浓度为30mg/L时对Fe3+具有较好的稳定能力，随着聚氨酸增注剂浓度的增大，稳定率升高，当浓度达到50mg/L以上时，铁离子稳定率在90％以上。
实施例4：多效水质稳定剂对细菌、腐生菌、铁细菌微生物的杀菌率。
取油田含菌注入水，分别做原水空白和投多效水质稳定剂30mg/L、50mg/L、80mg/L、100mg/L、150mg/L、200mg/L，在25℃±2℃条件下放置4h后，将各水样与空白样注入到测试瓶中，并在35℃恒温箱中进行培养，培养7d。实验结果如图4。
杀菌率计算：
式中：Y-投加多效水质稳定剂的杀菌率，用百分数表示。
B0-投加多效水质稳定剂前水样中细菌含量，个/mL。
B-投加多效水质稳定剂后水样中细菌含量，个/mL。
实施例5：用于投加多效水质稳定剂对注入水设施的缓蚀作用。
油田注水主要来源于油田采出液分离出来的伴生水，而油田采出水成分复杂，矿化度高，细菌、微生物含量大，且溶解有CO2、H2S、O2等腐蚀性气体，极易对水处理设备、注水井套管和注水泵及输水管线造成腐蚀，甚至造成输水管线的穿孔，导致油田污水的泄露。为了减少损失，油田通常要投加缓蚀剂来降低它的腐蚀。而我们通过投加聚氨酸增注剂就可以解决油田注水的腐蚀问题。本例通过模拟油田注水系统采用高压釜装置挂片失重法，在高温高压环境下测定投加实施例1多效水质稳定剂的缓蚀效率。实验结果如图5所示。
实施例4：多效水质稳定剂可生物降解性的测定。
该多效水质稳定剂在200mg/L时具有较好的生物降解能力，当浓度达到100mg/L以下时，降解性能更好。实验结果如图6。

Claims (2)

1.一种多效水质稳定剂，其特征是：由下列成分的重量百分比混合制成：
2.根据权利要求1所述的多效水质稳定剂，其特征是：由下列成分的百分比混合制成：
CN201611176278.XA 2016-12-12 2016-12-12 一种多效水质稳定剂 Pending CN106587395A (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19837068A1 (de) * 1998-08-17 2000-02-24 Bayer Ag Mittel zur Wasserbehandlung
EP1350768A1 (de) * 2002-04-06 2003-10-08 Faborga S.A. Mittel gegen Ausscheidungen und Korrosion von Prozesswässern
CN1772656A (zh) * 2004-11-11 2006-05-17 天津市科达斯实业有限公司 一种用于循环冷却水处理的复合阻垢缓蚀剂
CN105502698A (zh) * 2014-10-14 2016-04-20 中国石油化工股份有限公司 一种复合阻垢缓蚀剂及其在循环冷却水处理中的应用
CN105670588A (zh) * 2016-02-23 2016-06-15 中国石油天然气股份有限公司 一种清垢剂及其制备方法与应用

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19837068A1 (de) * 1998-08-17 2000-02-24 Bayer Ag Mittel zur Wasserbehandlung
EP1350768A1 (de) * 2002-04-06 2003-10-08 Faborga S.A. Mittel gegen Ausscheidungen und Korrosion von Prozesswässern
CN1772656A (zh) * 2004-11-11 2006-05-17 天津市科达斯实业有限公司 一种用于循环冷却水处理的复合阻垢缓蚀剂
CN105502698A (zh) * 2014-10-14 2016-04-20 中国石油化工股份有限公司 一种复合阻垢缓蚀剂及其在循环冷却水处理中的应用
CN105670588A (zh) * 2016-02-23 2016-06-15 中国石油天然气股份有限公司 一种清垢剂及其制备方法与应用

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