CN106977007A - The system and method for bi-membrane method advanced treating brown alga chemical industry waste Ca water - Google Patents
The system and method for bi-membrane method advanced treating brown alga chemical industry waste Ca water Download PDFInfo
- Publication number
- CN106977007A CN106977007A CN201710197228.8A CN201710197228A CN106977007A CN 106977007 A CN106977007 A CN 106977007A CN 201710197228 A CN201710197228 A CN 201710197228A CN 106977007 A CN106977007 A CN 106977007A
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- water
- reverse osmosis
- chemical industry
- brown alga
- industry waste
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Classifications
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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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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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)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses the system and method for bi-membrane method advanced treating brown alga chemical industry waste Ca water, the system is：The system of bi-membrane method advanced treating brown alga chemical industry waste Ca water, brown alga chemical industry waste Ca water pipeline 8 is connected with coagulation air-float processing pond 1, ceramic film component 2, charcoal canister 3 and reverse osmosis membrane assembly 4 successively, and reverse osmosis membrane assembly 4 is connected with industrial water pipe 9；Ceramic film component 2 is connected by pipeline with subsider 6, and subsider 6 is connected with oxidation reactor 7 and the coagulation air-float processing pond 1 successively by pipeline.Present invention ceramic film component simplifies recipe step, ceramic film component floor space is few as the pretreatment of processing waste Ca water, and processing actual sewage efficiency is high.After being pre-processed using Ceramic excessive filtration membranous system, the pollution of reverse osmosis membrane can be significantly reduced, pretreatment process cost is reduced, it is easy to which technique is amplified.
Description
Technical field
The present invention relates to the field of seaweed industry production wastewater treatment, especially to being produced in sodium alginate product processes
The processing of raw waste Ca water.
Background technology
Marine alga converted products mainly has red algae colloid product and the class of brown alga chemical products two.China's algin product year production
Ability is about 3.5 ten thousand tons, accounts for the 60% of world's total productive capacity, is the pillar product in China's marine alga processing industry, extensively
It is general to be applied to the fields such as printing and dyeing, medicine, food, commodity.1 ton of algin of production will consume 1000 tons of fresh water, the useless calcium of generation
Water accounts for more than the 70% of whole waste water.By processing, reuse is possible to effectively reduce enterprise's production cost, saving above-mentioned sewage again
Freshwater resources, produce huge economy, society and environmental benefit.
Calcium waste water contains substantial amounts of Ca2+、K+、ClO-、SO42-、Cl-And algin, polysaccharide, protein and sea-tangle are formed sediment
The organic pollutions such as powder.Because wastewater flow rate is big, complicated component, traditional water technology (such as air supporting) can only drop to a certain degree
The content of low waste water COD realizes qualified discharge.Will with China increasingly stricter environmental protection with being becoming tight the day of water resource
Ask, it is imperative to waste Ca water advanced treatment and reclamation to realize." algin production is useless for CN101074140A Chinese invention patents
The process of processing and the circulating and recovering zero-emission of water ", illustrates that algin is produced the waste Ca water produced and carried out by the present invention
Oxidation, decalcification processing, biofiltration oxidation processes, air-flotation process, flocculation, precipitation process；Both mixed integrated waters are through smelly
The processing of oxygen cycle oxidation processes, then after filtering biological oxidation processing, eventually pass reverse osmosis unit advanced treating.Based on multistep
Pretreatment plus reverse osmosis advanced treatment technology realize waste Ca water zero discharge treatment.But the invention pre-treatment step is complicated, if
Standby expense and floor space scale are excessive, and add a variety of chemical reagent and not only increase processing cost and to be ensuing
Handling process causes influence." a kind of brown alga chemical industry waste Ca water is new for CN102745841A Chinese invention patents disclosed in 2012
Type circulation reusing technology ", illustrates a kind of chemical precipitation, electrodialysis and ion exchange combined process processing waste Ca water technology；Should
Electrodialysis process energy consumption is too high in invention, and regeneration life is with high costs, and produces a large amount of regeneration liquid wastes, handles actual sewage cost
Cost is too big, without practical value.
Above-mentioned art inventions are summarized as can be seen that most open invention is still absorbed in by chemical Treatment waste Ca water
Realize the purpose of reuse.But above-mentioned technology stills need to use a large amount of chemical agents, while waste Ca water will after treatment for reuse
A large amount of high-salt wastewaters are produced, later stage wastewater treatment is more difficult.
The method for handling brown alga chemical industry waste Ca water using ceramic film component at present, which has no, to be had been reported that.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art there is provided a kind of bi-membrane method advanced treating brown alga chemical industry waste Ca water
System.
Second object of the present invention is to provide a kind of method of bi-membrane method advanced treating brown alga chemical industry waste Ca water.
Technical scheme is summarized as follows：
The system of bi-membrane method advanced treating brown alga chemical industry waste Ca water, brown alga chemical industry waste Ca water pipeline 8 successively with coagulation-air supporting
Processing pond 1, ceramic film component 2, charcoal canister 3 and reverse osmosis membrane assembly 4 are connected, and reverse osmosis membrane assembly 4 is connected with industrial water
Pipe 9；Ceramic film component 2 is connected by pipeline with subsider 6, subsider 6 by pipeline successively with oxidation reactor 7 and described mixed
Solidifying-air-flotation process pond 1 is connected.
Ceramic film component 2 is that surface has hydrophilic ceramic film component, and the ceramic film component 2 is ceramic membrane group
Part or tubular ceramic membrane module, the average pore size 10nm-200nm of the ceramic membrane.
Reverse osmosis membrane assembly 4 is hollow reverse osmosis membrane assembly, tubular type reverse osmosis membrane assembly, flat plate reverse osmosis membrane module, volume
Formula reverse osmosis membrane assembly or disc-type reverse osmosis membrane assembly.
The method of bi-membrane method advanced treating brown alga chemical industry waste Ca water, comprises the following steps：
(1) system of the bi-membrane method advanced treating brown alga chemical industry waste Ca water of usage right requirement 1；
(2) brown alga chemical industry waste Ca water is inputted in coagulation-air-flotation process pond 1 by brown alga chemical industry waste Ca water pipeline 8 and removed
Ceramic film component 2 is inputted after algin, isolated filtrate 1 and concentrated water, filter under conditions of operating pressure is 0.1-0.4MPa
Liquid 1 is passed through after charcoal canister 3 is filtered and is passed through reverse osmosis membrane assembly 4, is filtered under conditions of operating pressure is 0.6-1.5MPa, then
Industrial water is exported through industrial water pipe 9；After the concentrated water is settled by pipeline input subsider 6, supernatant input oxygen
Change reactor 7, aoxidized with sodium hypochlorite, coagulation-air-flotation process pond 1 is back to after oxidized reaction.Reverse osmosis concentrated water can
To reach zero discharge treatment through the concentration of overheat method.
Advantages of the present invention：
Present invention ceramic film component simplifies recipe step, ceramic membrane group as the pretreatment of processing waste Ca water
Part floor space is few, and processing actual sewage efficiency is high.After being pre-processed using Ceramic excessive filtration membranous system, reverse osmosis membrane can be significantly reduced
Pollution, simplify pretreating process, reduce pretreatment process cost, it is easy to technique amplify.
Brief description of the drawings
Fig. 1 is the schematic diagram of the system of bi-membrane method advanced treating brown alga chemical industry waste Ca water.
Embodiment
The present invention is further illustrated with specific embodiment below in conjunction with the accompanying drawings.
The system of bi-membrane method advanced treating brown alga chemical industry waste Ca water, is shown in Fig. 1, brown alga chemical industry waste Ca water pipeline 8 is successively with mixing
Solidifying-air-flotation process pond 1, ceramic film component 2, charcoal canister 3 and reverse osmosis membrane assembly 4, reverse osmosis membrane assembly 4 is connected with production and used
Water pipe 9；Ceramic film component 2 is connected by pipeline with subsider 6, subsider 6 by pipeline successively with oxidation reactor 7 and described
Coagulation-air-flotation process pond 1 is connected.
A high pressure reverse osmosis membrane assembly can also be connected between reverse osmosis membrane assembly 4 and industrial water pipe 9.
Ceramic film component 2 is that surface has hydrophilic ceramic film component, and the ceramic film component 2 is ceramic membrane group
Part or tubular ceramic membrane module, the average pore size 10nm-200nm of the ceramic membrane.
Reverse osmosis membrane assembly 4 is hollow reverse osmosis membrane assembly, tubular type reverse osmosis membrane assembly, flat plate reverse osmosis membrane module, volume
Formula reverse osmosis membrane assembly or disc tube reverse osmosis (dt-ro) membrane module.
Embodiment 1
The method of bi-membrane method advanced treating brown alga chemical industry waste Ca water, comprises the following steps：
(1) using the system of bi-membrane method advanced treating brown alga chemical industry waste Ca water；Ceramic film component 2 therein has for surface
Hydrophilic flat ceramic membrane module, the average pore size 100nm of ceramic membrane；Reverse osmosis membrane assembly 4 is hollow reverse osmosis membrane assembly；
(2) brown alga chemical industry waste Ca water is inputted in coagulation-air-flotation process pond 1 by brown alga chemical industry waste Ca water pipeline 8 and removed
Ceramic film component 2 is inputted after algin, isolated filtrate 1 and concentrated water under conditions of operating pressure is 0.2MPa, filtrate 1 are led to
Enter after charcoal canister 3 is filtered and be passed through reverse osmosis membrane assembly 4, filtered under conditions of operating pressure is 1.0MPa, then used through production
Water pipe 9 exports industrial water；After the concentrated water is settled by pipeline input subsider 6, supernatant input oxidation reactor
7, aoxidized with sodium hypochlorite, coagulation-air-flotation process pond 1 is back to after oxidized reaction.It is shown in Table 1.
The embodiment 1 of table 1 handles brown alga chemical industry waste Ca water water quality data：Unit is mg/L
Embodiment 2
The method of bi-membrane method advanced treating brown alga chemical industry waste Ca water, comprises the following steps：
(1) using the system of bi-membrane method advanced treating brown alga chemical industry waste Ca water；Ceramic film component 2 therein has for surface
Hydrophilic tubular ceramic membrane module, the average pore size 10nm of ceramic membrane；Reverse osmosis membrane assembly 4 is tubular type reverse osmosis membrane assembly；
(2) brown alga chemical industry waste Ca water is inputted in coagulation-air-flotation process pond 1 by brown alga chemical industry waste Ca water pipeline 8 and removed
Ceramic film component 2 is inputted after algin, isolated filtrate 1 and concentrated water under conditions of operating pressure is 0.1MPa, filtrate 1 are led to
Enter after charcoal canister 3 is filtered and be passed through reverse osmosis membrane assembly 4, filtered under conditions of operating pressure is 0.6MPa, then used through production
Water pipe 9 exports industrial water；After the concentrated water is settled by pipeline input subsider 6, supernatant input oxidation reactor
7, aoxidized with sodium hypochlorite, coagulation-air-flotation process pond 1 is back to after oxidized reaction.
Embodiment 3
The method of bi-membrane method advanced treating brown alga chemical industry waste Ca water, comprises the following steps：
(1) using the system of bi-membrane method advanced treating brown alga chemical industry waste Ca water；Ceramic film component 2 therein has for surface
Hydrophilic tubular ceramic membrane module, the average pore size 200nm of ceramic membrane；Reverse osmosis membrane assembly 4 is flat plate reverse osmosis membrane module；
(2) brown alga chemical industry waste Ca water is inputted in coagulation-air-flotation process pond 1 by brown alga chemical industry waste Ca water pipeline 8 and removed
Ceramic film component 2 is inputted after algin, isolated filtrate 1 and concentrated water under conditions of operating pressure is 0.4MPa, filtrate 1 are led to
Enter after charcoal canister 3 is filtered and be passed through reverse osmosis membrane assembly 4, filtered under conditions of operating pressure is 1.5MPa, then used through production
Water pipe 9 exports industrial water；After the concentrated water is settled by pipeline input subsider 6, supernatant input oxidation reactor
7, aoxidized with sodium hypochlorite, coagulation-air-flotation process pond 1 is back to after oxidized reaction.
The flat board reverse osmosis in the present embodiment can also be substituted with coiled reverse osmosis membrane component or disc tube reverse osmosis (dt-ro) membrane module
Permeable membrane component is as reverse osmosis membrane assembly 4, and other same the present embodiment are handled brown alga chemical industry waste Ca water.
The present invention separates sewage again after precipitation using hypochlorite oxidation through ceramic film component, will not introduce new miscellaneous
Plasmid, with low cost, a large amount of sludge will not be produced by being compared with other some oxidising agents such as Fentons, and water quality color is clear
Clearly.
Claims (4)
1. the system of bi-membrane method advanced treating brown alga chemical industry waste Ca water, it is characterized in that brown alga chemical industry waste Ca water pipeline (8) successively with
Coagulation-air-flotation process pond (1), ceramic film component (2), charcoal canister (3) and reverse osmosis membrane assembly (4) connection, reverse osmosis membrane group
Part (4) is connected with industrial water pipe (9)；Ceramic film component (2) is connected by pipeline with subsider (6), and subsider (6) passes through pipe
Road is connected with oxidation reactor (7) and the coagulation-air-flotation process pond (1) successively.
2. system according to claim 1, it is characterized in that the ceramic film component (2), which is surface, has hydrophilic ceramics
Membrane module, the ceramic film component (2) is flat ceramic membrane module or tubular ceramic membrane module, the average pore size of the ceramic membrane
10nm-200nm。
3. system according to claim 1, it is characterized in that the reverse osmosis membrane assembly (4) be hollow reverse osmosis membrane assembly,
Tubular type reverse osmosis membrane assembly, flat plate reverse osmosis membrane module, coiled reverse osmosis membrane component or disc tube reverse osmosis (dt-ro) membrane module.
4. the method for bi-membrane method advanced treating brown alga chemical industry waste Ca water, it is characterized in that comprising the following steps：
(1) system of the bi-membrane method advanced treating brown alga chemical industry waste Ca water of usage right requirement 1；
(2) brown alga chemical industry waste Ca water is inputted in coagulation-air-flotation process pond (1) by brown alga chemical industry waste Ca water pipeline (8) and removed
Ceramic film component (2) is inputted after algin, isolated filtrate 1 and concentrated water under conditions of operating pressure is 0.1-0.4MPa,
Filtrate 1 is passed through reverse osmosis membrane assembly (4) after being passed through charcoal canister (3) filtering, under conditions of operating pressure is 0.6-1.5MPa
Filtering, then export industrial water through industrial water pipe (9)；After the concentrated water is settled by pipeline input subsider (6), on
Clear liquid input oxidation reactor (7), is aoxidized with sodium hypochlorite, coagulation-air-flotation process pond is back to after oxidized reaction
(1)。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710197228.8A CN106977007A (en) | 2017-03-29 | 2017-03-29 | The system and method for bi-membrane method advanced treating brown alga chemical industry waste Ca water |
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| CN201710197228.8A CN106977007A (en) | 2017-03-29 | 2017-03-29 | The system and method for bi-membrane method advanced treating brown alga chemical industry waste Ca water |
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| CN106977007A true CN106977007A (en) | 2017-07-25 |
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| CN201710197228.8A Pending CN106977007A (en) | 2017-03-29 | 2017-03-29 | The system and method for bi-membrane method advanced treating brown alga chemical industry waste Ca water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107555660A (en) * | 2017-09-30 | 2018-01-09 | 三达膜科技（厦门）有限公司 | A kind of drink water purifying method |
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