CN103253790A - Treatment device and treatment method for nanofiltration and reverse osmosis solution - Google Patents

Treatment device and treatment method for nanofiltration and reverse osmosis solution Download PDF

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CN103253790A
CN103253790A CN 201310141935 CN201310141935A CN103253790A CN 103253790 A CN103253790 A CN 103253790A CN 201310141935 CN201310141935 CN 201310141935 CN 201310141935 A CN201310141935 A CN 201310141935A CN 103253790 A CN103253790 A CN 103253790A
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reactor
dope
filter means
liquid
nanofiltration
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CN 201310141935
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陈杭飞
熊学锋
张瑞
王辉
黄一南
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浙江博华环境技术工程有限公司
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Abstract

The invention provides a treatment device for a nanofiltration and reverse osmosis solution. The treatment device sequentially comprises a concentrated liquid mixing pool, a conveying pump, a primary oxidization and filtration device, a secondary oxidization and filtration device and an output water detection pool. The invention also provides a treatment method for the nanofiltration and reverse osmosis solution, using the treatment device. According to the treatment device and the treatment method, concentrated liquid can not reflow, and can accord with a severe emission standard.

Description

一种纳滤、反渗透浓液的处理装置及处理方法 One kind of nanofiltration, reverse osmosis processing apparatus and processing method the dope

技术领域 FIELD

[0001] 本发明涉及水处理领域,具体涉及一种纳滤、反渗透浓液的处理装置及处理方法。 [0001] The present invention relates to the field of water treatment, particularly relates to a processing method and processing apparatus nanofiltration, reverse osmosis dope. 背景技术 Background technique

[0002] 生活垃圾填埋场或焚烧(发电)厂均会产生垃圾渗滤液,渗滤液中污染物浓度大、颜色深、臭味重、氨氮含量高且碳氮比失调,属难降解废水,而我国现行的《生活垃圾填埋场污染物控制标准》要求甚严,为了达到该标准,国内普遍采用了该工艺:生物脱氮脱碳处理一超滤(UF) —纳滤(NF) —反渗透(RO)的串联处理工艺,NF和RO是一种物理的分离技术,即是将废水用膜技术分离为清液和浓液,尽管最终清液可以做到达标排放,但两者的浓液(约占渗滤液总量30%左右)却无法有效处理,常规做法将浓液回灌至填埋场,但是这样会造成渗滤液的金属离子积累,电导率越来越高,最终威胁到分离膜的正常工作;同时也会产生渗滤液的数量越来越多、水量无法平衡的弊端(特别是多雨地区),因此,如何使浓液既不回灌,又能达到严苛的排放标准,便成了当今的热门 [0002] landfill or incineration (power) plant will produce leachate leachate concentration of pollutants in large, dark, heavy odor, a high ammonia content and ratio of carbon and nitrogen imbalance, is refractory wastewater, and China's current "landfill pollution control standards" very strict requirements in order to achieve this standard, domestic widespread adoption of the technology: biological denitrification decarbonized a ultrafiltration (UF) - nanofiltration (NF) - Reverse osmosis (RO) process of serial processing, NF, and RO is a physical separation technique, i.e. the waste water is separated and the supernatant liquid membrane technology dope, although the final supernatant can meet emissions standards, but both of the dope (about 30 per cent of the total amount of leachate) can not deal effectively with conventional practice dope recharge to landfill, but this will cause the accumulation of metal ions in the leachate, more and more high conductivity, ultimate threat the membrane of normal operation; at the same time will also have an increasing number of leachate, water can not balance the drawbacks (especially in wet areas), and therefore, how to make the dope neither recharge, while maintaining stringent emissions standard, has become today's hot 究课题。 Study subjects.

发明内容 SUMMARY

[0003] 本发明所要解决的技术问题在于提供一种纳滤、反渗透浓液的处理装置及处理方法,能够保证浓液既不回灌,又能达到严苛的排放标准。 [0003] The present invention solves the technical problem is to provide a nanofiltration, reverse osmosis processing apparatus and processing method of the dope, the dope is neither possible to guarantee the recharge, while maintaining the stringent emission standards.

[0004] 为解决上述现有的技术问题,本发明采用如下方案:一种纳滤、反渗透浓液的处理装置,依次包括浓液调配池、输送泵、一级氧化过滤装置、二级氧化过滤装置、出水检测池。 [0004] In order to solve the above-described conventional technical problem, the present invention adopts the following solutions: A nanofiltration, reverse osmosis treatment apparatus dope, dope oxide successively comprising two formulations tank, pump, an oxidation filter means, filter means, detecting water pool.

[0005] 作为优选,所述一级氧化过滤装置依次包括第一反应器、第一催化氧化罐、第二反应器、第一过滤装置,所述第一反应器连接在输送泵上,所述第一反应器上设有第一投药箱,所述第二反应器上设有第二投药箱。 [0005] Advantageously, said one filter means including a first oxidation reactor, the first catalytic oxidation tank, a second reactor, a first filter device, the first reactor is connected to the pump, the the first reactor is provided with a first cast kits, the second reactor is provided with a second dosing kits. 结构简单,氧化过滤效果好。 Simple structure and good filtering effect oxidation.

[0006] 作为优选,所述二级氧化过滤装置依次包括第三反应器、第二催化氧化罐、第四反应器、第二过滤装置,所述第三反`应器连接在第一过滤装置上,所述第三反应器上设有第三投药箱,所述第四反应器上设有第四投药箱,所述第二过滤装置与出水检测池连接。 [0006] Advantageously, said secondary oxidation reactor comprises a third order filter means, a second catalytic oxidation tank, the fourth reactor, the second filter means, said third reactor `inverse filter means connected between the first on the upper third of the reactor is provided a third administration kits, IV administration kits provided on the fourth reactor, said second filter means connected with the outlet flow cell. 进一步氧化,过滤液体,保证排放达标。 Further oxidation, the liquid was filtered, guaranteed emissions compliance.

[0007] 一种纳滤、反渗透浓液的处理方法,包括以下步骤: [0007] A nanofiltration, reverse osmosis dope processing method, comprising the steps of:

[0008] A、用浓液调配池收集纳滤浓液与反渗透浓液,并调配纳滤浓液与反渗透浓液的比例,纳滤浓液占总处理水量的15%〜20%,反渗透浓液占总处理水量的20%〜25%,其余为水; Ratio [0008] A, collected dope reverse osmosis nanofiltration dope with a dope reservoir formulation, formulation nanofiltration and reverse osmosis dope dope, dope nanofiltration for 15% ~ 20% of the total amount of water, RO dope for 20% ~ 25% of the total amount of water, the remainder being water;

[0009] B、利用输送泵将浓液调配池内的液体输送至第一反应器内,并通过第一投药箱向第一反应器内投入复配的氧化剂,协同进行氧化反应; [0009] B, using a liquid delivery pump pool formulated dope delivered to the first reactor, and the oxidizing agent into the first compound administration kits to the first reactor, in tandem oxidation reaction;

[0010] C、将第一反应器内的液体输送到第一催化氧化罐中,第一催化氧化罐中内置催化齐U,用于加速氧化反应,氧化降解液体中的难降解污染物质; [0010] C, the liquid in the first reactor is fed to the first catalytic oxidation tank, a first catalytic oxidation tank built homogeneous catalysis U, for accelerating the oxidation reaction, oxidative degradation of the refractory liquid pollutants;

[0011] D、将第一催化氧化罐内的液体输送到第二反应器中,并通过第二投药箱向第二反应器中投入复配的氧化剂,反应后将液体输送到第一过滤装置中,去除固体杂质;[0012] E、将第一过滤装置中的液体输送到第三反应器内,并通过第三投药箱向第三反应器内投入与第二投药箱投入的药剂互补的复配的氧化剂,协同进行氧化反应; [0011] D, the liquid in the first catalytic oxidation tank is supplied to the second reactor, and the oxidizing agent complex input to the second reactor through the second cast kits, after the reaction liquid supplied to the first filter means , the removal of solid impurities; [0012] E, the liquid delivery device of the first filter into the third reactor, and a second input and a complementary agent administered kits input into the third reactor via a third administration of the medicine chest complex oxidizing agent, in tandem oxidation reaction;

[0013] F、将第三反应器内的液体输送的第二催化氧化罐中,进一步催化氧化,降解液体中的难降解污染物质; [0013] F, the second catalytic oxidation of liquid in the tank in the third reactor conveyed further oxidation, degradation of liquid refractory pollutants;

[0014] G、将第二催化氧化罐内的液体输送到第四反应器内,并通过第四投药箱投入复配的氧化剂,反应后将液体输送到第二过滤装置中,去除固体杂质; [0014] G, the second liquid tank is supplied to the catalytic oxidation of the fourth reactor, and the oxidant into the complex through the fourth administration kits, after the reaction liquid supplied to the second filter means to remove solid impurities;

[0015] H、将第二过滤装置内的液体输送到出水监测池中,监测出水水质与达标情况。 [0015] H, the liquid in the water supplied to the second filter means monitoring the pool, water quality monitoring and Status.

[0016] 有益效果: [0016] beneficial effects:

[0017] 本发明采用上述技术方案提供一种纳滤、反渗透浓液的处理装置及处理方法,能够保证浓液既不回灌,又能达到严苛的排放标准。 [0017] With the technical scheme of the present invention to provide a nanofiltration, reverse osmosis processing apparatus and processing method of the dope, the dope is neither possible to guarantee the recharge, while maintaining the stringent emission standards.

附图说明 BRIEF DESCRIPTION

[0018] 图1为本发明中处理装置的结构示意图。 [0018] FIG. 1 is a schematic structural diagram of the processing apparatus of the present invention.

具体实施方式 detailed description

[0019] 如图1所示,一种纳滤、反渗透浓液的处理装置,依次包括浓液调配池1、输送泵2、一级氧化过滤装置、二级氧化过滤装置、出水检测池15。 [0019] FIG. A nanofiltration, reverse osmosis processing apparatus 1 shown in the dope, dope formulation comprising successively a pool, deliverable pump 2, an oxidation filter means, filter means two oxidation effluent flow cell 15 . 所述一级氧化过滤装置依次包括第一反应器4、第一催化氧化罐5、第二反应器7、第一过滤装置8,所述第一反应器4连接在输送泵2上,所述第一反应器4上设有第一投药箱3,所述第二反应器7上设有第二投药箱6。 The filter device including in a first oxidation reactor 4, the first catalytic oxidation tank 5, the second reactor 7, a first filter means 8, the first reactor 4 is connected on the feed pump 2, the 4 is provided with a first reactor on a first cast kits 3, it is provided on the second cast 6 7 kits of the second reactor. 所述二级氧化过滤装置依次包括第三反应器10、第二催化氧化罐11、第四反应器13、第二过滤装置14,所述第三反应器10连接在第一过滤装置8上,所述第三反应器10上设有第三投药箱9,所述第四反应器13上设有第四投药箱12,所述第二过滤装置14与出水检测池15连接。 Sequentially oxidizing said secondary filter means includes a third reactor 10, a second catalytic oxidation tank 11, the fourth reactor 13, the second filter means 14, the third reactor 10 is connected to the first filter means 8, the third reactor 10 is provided a third administration kits 9, 12 provided on the fourth administration kits of the fourth reactor 13, the second filter means 14 is connected to the water tank 15 is detected. · ·

[0020] 一种纳滤、反渗透浓液的处理方法,包括以下步骤: [0020] A nanofiltration, reverse osmosis dope processing method, comprising the steps of:

[0021] A、用浓液调配池I收集纳滤浓液与反渗透浓液,并调配纳滤浓液与反渗透浓液的比例,纳滤浓液占总处理水量的15%〜20%,反渗透浓液占总处理水量的20%〜25%,其余为水; [0021] A, with concentrated liquid reservoir formulation I nanofiltration collected dope dope reverse osmosis, nanofiltration and compounding ratio dope dope reverse osmosis, nanofiltration dope for 15% ~ 20% of the total amount of water , RO dope for 20% ~ 25% of the total amount of water, the remainder being water;

[0022] B、利用输送泵2将浓液调配池I内的液体输送至第一反应器4内,并通过第一投药箱3向第一反应器4内投入复配的氧化剂,协同进行氧化反应; [0022] B, 2 by the transfer pump the liquid in the pool I formulated dope fed to the first reactor 4, and put through the first oxidizer compound administered to the medicine cabinet 3 a first reactor 4, in tandem oxidation reaction;

[0023] C、将第一反应器4内的液体输送到第一催化氧化罐5中,第一催化氧化罐5中内置催化剂,用于加速氧化反应,氧化降解液体中的难降解污染物质; [0023] C, the liquid in the first reactor 4 is supplied to the first catalytic oxidation tank 5, the first catalytic oxidation tank 5 built catalyst for accelerating the oxidation reaction, oxidative degradation of the refractory liquid pollutants;

[0024] D、将第一催化氧化罐5内的液体输送到第二反应器7中,并通过第二投药箱6向第二反应器7中投入复配的氧化剂,反应后将液体输送到第一过滤装置8中,去除固体杂质; [0024] D, the liquid in the first tank 5 is supplied to the catalytic oxidation of the second reactor 7, the oxidizing agent and the second compound is administered into kits 6 to the second reactor 7, the reaction liquid after delivery to 8, a first filter means to remove solid impurities;

[0025] E、将第一过滤装置8中的液体输送到第三反应器10内,并通过第三投药箱9向第三反应器10内投入与第二投药箱6投入的药剂互补的复配的氧化剂,协同进行氧化反应; [0025] E, the liquid is fed to filter means 8 of the first third of the reactor 10, and re-administered with a second pharmaceutical kits complementary input 6 through the third administration kits 9 to 10 into the third reactor with an oxidizing agent, in tandem oxidation reaction;

[0026] F、将第三反应器10内的液体输送的第二催化氧化罐11中,进一步催化氧化,降解液体中的难降解污染物质; [0026] F, the catalytic oxidation of the second liquid in the tank 10 of the third reactor 11 is conveyed further oxidation, degradation of liquid refractory pollutants;

[0027] G、将第二催化氧化罐11内的液体输送到第四反应器13内,并通过第四投药箱12投入复配的氧化剂,反应后将液体输送到第二过滤装置14中,去除固体杂质; [0027] G, the liquid in the tank 11 supplied to the second catalytic oxidation fourth reactor 13, into and through the fourth administration kits oxidant compound 12, after the reaction liquid supplied to the second filter means 14, removing solid impurities;

[0028] H、将第二过滤装置14内的液体输送到出水监测池中,监测出水水质与达标情况。 [0028] H, the second filter means 14 to the fluid delivery of the pool water monitoring, water quality monitoring and Status.

[0029] 1.浓液理化指标 [0029] 1. The physical and chemical properties of the dope

[0030] NF浓液理化指标如表I所示: [0030] NF dope physical and chemical properties as shown in Table I:

Figure CN103253790AD00051

[0032]表 I [0032] TABLE I

[0033] RO浓液理化指标如表2所示: [0033] RO dope physical and chemical properties as shown in Table 2:

[0034] [0034]

Figure CN103253790AD00061

[0035] 表2 [0035] TABLE 2

[0036] 2.浓液处理后理化指标 [0036] 2. Processing physical and chemical properties of the dope

[0037]《生活垃圾填埋场污染控制标准》GB16889-2008 [0037] "garbage landfill pollution control standards" GB16889-2008

[0038] 一般地区执行的现有和新建生活垃圾填埋场水污染物排放浓度限制如表3所示: [0039] [0038] existing and new solid waste water discharge pollutant concentration limits landfill area generally performed as shown in Table 3: [0039]

Figure CN103253790AD00071

[0040] 要求高的地区执行的现有和新建生活垃圾填埋场水污染物特别排放限制如表4所示: [0040] execution of high demand areas existing and new landfill particularly water pollutant emission limits as shown in Table 4:

[0041] [0041]

Figure CN103253790AD00072

[0042] [0042]

Figure CN103253790AD00081

[0043]表 4 [0043] TABLE 4

[0044] 采用本发明提供的一种纳滤、反渗透浓液的处理装置及处理方法,能够保证浓液既不回灌,又能达到严苛的排放标准。 [0044] The present invention provides one kind of nanofiltration, reverse osmosis processing apparatus and processing method of the dope, the dope is neither possible to guarantee the recharge, while maintaining the stringent emission standards.

[0045] 本文中所描述的具体实施例仅仅是对本发明精神作举例说明。 Specific Example [0045] The herein described is merely illustrative for spirit of the invention. 本发明所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代,但并不会偏离本发明的精神或者超越所附权利要求书所定义的范围。 Those skilled in the art of the present invention can be made to the specific embodiments described various modifications or additions, or a similar alternative embodiment, but without departing from the spirit of the invention or exceed defined in the appended claims range.

Claims (4)

  1. 1. 一种纳滤、反渗透浓液的处理装置,其特征在于:依次包括浓液调配池(I)、输送泵(2 )、一级氧化过滤装置、二级氧化过滤装置、出水检测池(15)。 A nanofiltration, reverse osmosis treatment apparatus dope, characterized in that: comprising sequentially dope formulation reservoir (the I), feed pump (2), an oxidation filter means, filter means two oxidation effluent detection cell (15).
  2. 2.根据权利要求I所述的一种纳滤、反渗透浓液的处理装置,其特征在于:所述一级氧化过滤装置依次包括第一反应器(4)、第一催化氧化罐(5)、第二反应器(7)、第一过滤装置(8),所述第一反应器(4)连接在输送泵(2)上,所述第一反应器(4)上设有第一投药箱(3),所述第二反应器(7)上设有第二投药箱(6)。 A nanofiltration I as claimed in claim dope reverse osmosis treatment apparatus, wherein: said filter means an oxide including a first reactor (4), a first catalytic oxidation tank (5 ), the second reactor (7), a first filter means (8), the first reactor (4) connected to the feed pump (2), a first (4) the first reactor administration kits (3), the second reactor is provided with a second administration kits (6) (7).
  3. 3.根据权利要求2所述的一种纳滤、反渗透浓液的处理装置,其特征在于:所述二级氧化过滤装置依次包括第三反应器(10)、第二催化氧化罐(11)、第四反应器(13)、第二过滤装置(14),所述第三反应器(10)连接在第一过滤装置(8)上,所述第三反应器(10)上设有第三投药箱(9),所述第四反应器(13)上设有第四投药箱(12),所述第二过滤装置(14)与出水检测池(15)连接。 3. A member according to claim 2, wherein said nanofiltration, reverse osmosis treatment apparatus dope, wherein: said secondary oxidation reactor comprises a third order filter means (10), a second catalytic oxidation tank (11 ), a fourth reactor (13), a second filter means (14), the third reactor (10) connected to the first filter means (8) provided on said third reactor (10) third administration kits (9), the fourth reactor is provided with a fourth administration kits (12) (13), said second filter means (14) and the water tank detector (15).
  4. 4. 一种纳滤、反渗透浓液的处理方法,其特征在于:包括以下步骤: A、用浓液调配池(I)收集纳滤浓液与反渗透浓液,并调配纳滤浓液与反渗透浓液的比例,纳滤浓液占总处理水量的15%〜20%,反渗透浓液占总处理水量的20%〜25%,其余为水; B、利用输送泵(2)将浓液调配池(I)内的液体输送至第一反应器(4)内,并通过第一投药箱(3)向第一反应器(4)内投入复配的氧化剂,协同进行氧化反应; C、将第一反应器(4)内的液体输送到第一催化氧化罐(5)中,第一催化氧化罐(5)中内置催化剂,用于加速氧化反应,氧化降解液体中的难降解污染物质; D、将第一催化氧化罐(5)内的液体输送到第二反应器(7)中,并通过第二投药箱(6)向第二反应器(7)中投入复配的氧化剂,反应后将液体输送到第一过滤装置(8)中,去除固体杂质; E、将第一过滤装置(8)中的 4. A nanofiltration, reverse osmosis treatment method of the dope, characterized in that: comprising the steps of: A, collected reverse osmosis nanofiltration dope dope with a dope reservoir formulation (the I), nanofiltration and formulated dope the proportion of reverse osmosis dope, dope nanofiltration for 15% ~ 20% of the total amount of water, reverse osmosis treated dope of 20% ~ 25% of the total amount of water, the remainder being water; B, using a feed pump (2) the liquid in the reservoir dope formulation (I) fed to the first reactor (4), and an oxidizing agent into the compound (4) by a first administration kits (3) into the first reactor, the oxidation reaction collaborative ; C, the first reactor (4) of the liquid to the first catalytic oxidation tank (5), the first catalytic oxidation tank (5) built in the catalyst for accelerating the oxidation reaction, the liquid is difficult to oxidative degradation degradation of pollutants; D, the first catalytic oxidation tank (5) in a second liquid to the reactor (7), and into compound (7) by a second administration kits (6) to the second reactor the oxidizing agent, after the reaction liquid supplied to the first filter means (8), the removal of solid impurities; E, the first filter means (8) 液体输送到第三反应器(10)内,并通过第三投药箱(9)向第三反应器(10)内投入与第二投药箱(6)投入的药剂互补的复配的氧化剂,协同进行氧化反应; F、将第三反应器(10)内的液体输送的第二催化氧化罐(11)中,进一步催化氧化,降解液体中的难降解污染物质; G、将第二催化氧化罐(11)内的液体输送到第四反应器(13)内,并通过第四投药箱(12)投入复配的氧化剂,反应后将液体输送到第二过滤装置(14)中,去除固体杂质; H、将第二过滤装置(14)内的液体输送到出水监测池中,监测出水水质与达标情况。 Liquid fed to the third reactor (10), and by a third administration kits (9) into the third reactor (10) and a second complementary agent administered kits (6) into a complex oxidizing agent, cooperative an oxidation reaction; the second catalytic oxidation tank (11) in the conveyed liquid F., the third reactor (10), a further catalytic oxidation, degradation of liquid refractory pollutants; G, the second catalytic oxidation tank the liquid (11) to the fourth reactor (13), and an oxidizing agent into the compound by a fourth administration kits (12), after the reaction liquid supplied to the second filter means (14), the removal of solid impurities ; H, the liquid in the second filter means (14) to the pool water monitoring, water quality monitoring and Status.
CN 201310141935 2013-04-22 2013-04-22 Treatment device and treatment method for nanofiltration and reverse osmosis solution CN103253790A (en)

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