CN104761045A - Preparation method of modified natural zeolite filling material used for biological filled column - Google Patents

Preparation method of modified natural zeolite filling material used for biological filled column Download PDF

Info

Publication number
CN104761045A
CN104761045A CN201510124406.5A CN201510124406A CN104761045A CN 104761045 A CN104761045 A CN 104761045A CN 201510124406 A CN201510124406 A CN 201510124406A CN 104761045 A CN104761045 A CN 104761045A
Authority
CN
China
Prior art keywords
zeolite
natural zeolite
modified natural
preparation method
packing material
Prior art date
Application number
CN201510124406.5A
Other languages
Chinese (zh)
Other versions
CN104761045B (en
Inventor
谭文渊
袁东
付大友
周良芹
Original Assignee
四川理工学院
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 四川理工学院 filed Critical 四川理工学院
Priority to CN201510124406.5A priority Critical patent/CN104761045B/en
Publication of CN104761045A publication Critical patent/CN104761045A/en
Application granted granted Critical
Publication of CN104761045B publication Critical patent/CN104761045B/en

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage
    • Y02W10/15Aerobic processes

Abstract

The invention discloses a preparation method of a modified natural zeolite filling material used for a biological filled column, the preparation method comprises the following steps: 1)crushing natural zeolite and sieving by a sieve with 1-3mm, using tap water for washing, drying at temperature of 120 DEG C for standby; 2)immersing the pretreated zeolite by 1mol.L<-1> hydrochloric acid for 24 hours, taking out and washing, drying for standby; and 3)adding the zeolite in a mixing solution of metal ions A and B, performing concussion for 24 hours on an oscillator at temperature of 30 DEG C, taking out, washing, drying, and calcinaing for 2 hours at temperature of 550 DEG C to obtain the modified natural zeolite. According to the invention, LAS exchange capacity of the modified natural zeolite filling material can reach 1mg.g<-1>, and 30mg.L<-1>LAS clearance rate can reach as high as more than 85%. Through contrast experiment, the prepared zeolite filling material has the advantages of high degradation efficiency and stable water outlet due to introduction of metal ions capable of promoting LAS specific degrading microbe growth.

Description

A kind of modified natural zeolite filler preparation method for biologic packing material post

Technical field

The present invention relates to biologic packing material column technology field, particularly relate to a kind of modified natural zeolite filler preparation method for biologic packing material post.

Background technology

Environment protection is the common issue that the 21 century mankind face, and global research, development environment material are in the ascendant.Environment mineral material and synthesized polymer material is mainly contained at present as biological column or bio-filter stuffing.Synthesized polymer material, have long service life, do not degrade, customize that special construction, reference area are large, biological activity advantages of higher, as polyvinyl chloride, polypropylene, Propylene polymerization material etc., but price is higher, and waste and old filler easily causes secondary pollution; Environment mineral material is used for water treatment, has treatment effect good, easily obtains, with low cost and not easily cause the advantages such as secondary pollution, the all right recycle of environment mineral material simultaneously, but be subject to the impact of self structure character, biological activity is lower than filling material of polymers.Zeolite, as a kind of important environment mineral material, has the special propertys such as cation exchange property, selective adsorption performance, molecular sieve effect, has more Demonstration Application in the field of disposing of sewage.Modification is carried out to zeolite, is combined with biotechnology, play modified zeolite special property and act synergistically with biological treatment, to reach the object improving treatment effect.

Summary of the invention

The invention provides a kind of modified natural zeolite filler preparation method for biologic packing material post.

The present invention adopts following technical scheme:

The concrete steps of the modified natural zeolite filler preparation method for biologic packing material post of the present invention are as follows:

(1) natural zeolite is pulverized the 1 ~ 3mm that sieves, clean, in 120 DEG C of dry for standby with tap water;

(2) by pretreated zeolite, 1mol.L is used -1salt acid soak 24h, take out clean, dry, for subsequent use;

(3) step (2) is obtained adding in zeolite in metal ion A and B mixing solutions, on the oscillator 30 DEG C of isothermal vibrations 24 hours, take out, clean, dry, obtain modified natural zeolite in 550 DEG C of calcination 2h.

In step (3), described metal ion A and the concrete title of metal ion B are Mn 2+and Na +;

In step (3), in metal ion A and B mixing solutions, the weight ratio of two kinds of ions is 1:1, Mn in mixing solutions 2+and Na +concentration all for 0.5g/L;

In step (3), the weightmeasurement ratio of zeolite and metal ion A and B mixing solutions is 5:100g/mL;

The preparation method of the biologic packing material post that the modified natural zeolite filler utilizing method of the present invention to prepare is filled and obtained is as follows:

Modified zeolite and natural zeolite are respectively charged in two synthetic glass posts, loading height is 30cm, and the diameter of synthetic glass post is 2cm, and the packing density of zeolite is all 1.04gcm -3, adopt the circulation physics fixation method of BAC, nutrient solution respectively under the lifting of pump, flow 0.5mL (ming) -1, by zeolite packed column, iterative cycles 12h, makes Microorganism incubation in nutrient solution on filler.

Positively effect of the present invention is as follows:

It is simple that modified natural zeolite filler preparation method for biologic packing material post of the present invention has method, operate simple and easy, low for equipment requirements, the advantages such as environmentally safe, and the ability of the biologic packing material column load microorganism that the modified natural zeolite filler utilizing method of the present invention to prepare is filled and obtained is strong, biological activity is high, excellent wastewater treatment effect and stable effluent quality.

The present invention is applicable to the modified natural zeolite filler preparation method of LAS biologic packing material post process in waste water.LAS exchange capacity can reach 1mg/g, 30mg.L -1lAS clearance is up to more than 85%.Can be found by contrast experiment, zeolite filler prepared by the method, owing to introducing the metal ion that can promote the exclusive degrading microorganism growth of LAS, therefore this filler degradation efficiency is high, stable water outlet.

Accompanying drawing explanation

Fig. 1 is the picture of natural zeolite.

This picture is using natural clinoptilolite particle picture.

Fig. 2 is the XRD diffractogram of natural zeolite.

This picture is the XRD diffractogram of natural zeolite, and as seen from the figure, former natural zeolite diffraction peak is many and assorted, illustrates in natural zeolite surface or space and has more impurity to exist.

Fig. 3 is the SEM picture of natural zeolite.

This picture is the SEM picture of natural zeolite, and natural zeolite surface exists more fine particle as seen from the figure.

Fig. 4 is the SEM picture of zeolite after HCl treatment.

This picture is the SEM picture of zeolite after HCl treatment, and the particle of zeolite surface obviously reduces as seen from the figure.

Fig. 5 is the XRD diffractogram of zeolite after HCl treatment.

This picture is the XRD diffractogram of zeolite after HCl treatment, and diffraction peak obviously reduces as seen from the figure, this reason be removed due to space and surface impurity.

Fig. 6 is the SEM picture of modified zeolite.

This picture is Mn 2+and Na +, as seen from the figure, there is Mn at zeolite surface in the SEM picture of modification zeolite 2+and Na +fine particle.

Fig. 7 is Microorganism incubation device schematic diagram.

This picture is Microorganism incubation setting drawing.

Fig. 8 is the schematic diagram of filled column dissolved oxygen depletion.

This picture is the schematic diagram of filled column dissolved oxygen depletion, and the biological activity of modified zeolite is higher than natural zeolite as seen from the figure.

Fig. 9 is water treatment device figure.

This picture is water treatment device figure.

Figure 10 is bioactivation zeolite filler post process LAS waste water situation map.

This picture is bioactivation zeolite filler post process LAS waste water situation map, and the treatment effect of modified zeolite is higher than natural zeolite as seen from the figure.

Embodiment

The following examples describe in further detail of the present invention.

Embodiment 1

The concrete steps of the modified natural zeolite filler preparation method for biologic packing material post of the present invention are as follows:

(1) natural zeolite is pulverized the 1 ~ 3mm that sieves, clean, in 120 DEG C of dry for standby with tap water;

(2) by pretreated zeolite, 1mol.L is used -1salt acid soak 24h, take out clean, dry, for subsequent use;

(3) step (2) is obtained adding in zeolite in metal ion A and B mixing solutions, on the oscillator 30 DEG C of isothermal vibrations 24 hours, take out, clean, dry, obtain modified natural zeolite in 550 DEG C of calcination 2h.

In step (3), described metal ion A and the concrete title of metal ion B are Mn 2+and Na +;

In step (3), in metal ion A and B mixing solutions, the weight ratio of two kinds of ions is 1:1, Mn in mixing solutions 2+and Na +concentration all for 0.5g/L;

In step (3), the weightmeasurement ratio of zeolite and metal ion A and B mixing solutions is 5g:100mL;

The preparation method of the biologic packing material post that the modified natural zeolite filler utilizing method of the present invention to prepare is filled and obtained is as follows:

Modified zeolite and natural zeolite are respectively charged in two synthetic glass posts, loading height is 30cm, and the diameter of synthetic glass post is 2cm, and the packing density of zeolite is all 1.04gcm -3, adopt the circulation physics fixation method of BAC, nutrient solution respectively under the lifting of pump, flow 0.5mL (ming) -1, by zeolite packed column, iterative cycles 12h, makes Microorganism incubation in nutrient solution on filler.Cyclic microorganism stationary installation is shown in Fig. 7.

Microbial film zeolite filler post process LAS waste water situation

With the 30mgL of preparation -1lAS solution processes.Pass into natural zeolite and modified zeolite filled column respectively, the unit load of process post is at 0.44mL (ming) -1-0.56mL (ming) -1.Before process, LAS liquid chromatography in waste water is detected to the content of its content and the rear LAS of process.And detect primary treatment waste water out every 1h in process, and in waste water of dealing with out, LAS, containing discharge curve, observes curvilinear motion and can grasp the degraded situation of microorganism to LAS in real time.By to the contrast of waste water turnover post LAS content situation, analyze modified zeolite, and biofilm mode is to the effect of the process of zeolite.Fig. 9 is shown in by water treatment device.

Result shows: the ability of zeolite loading microorganisms is after modification stronger, and biological activity is higher, the good and stable effluent quality for the treatment of effect.

Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalents thereof.

Claims (6)

1., for a modified natural zeolite filler preparation method for biologic packing material post, it is characterized in that: the concrete steps of described method are as follows:
(1) natural zeolite is pulverized the 1 ~ 3mm that sieves, clean, in 120 DEG C of dry for standby with tap water;
(2) by pretreated zeolite, 1mol.L is used -1salt acid soak 24h, take out clean, dry, for subsequent use;
(3) step (2) is obtained adding in zeolite in metal ion A and B mixing solutions, on the oscillator 30 DEG C of isothermal vibrations 24 hours, take out, clean, dry, obtain modified natural zeolite in 550 DEG C of calcination 2h.
2., as claimed in claim 1 for the modified natural zeolite filler preparation method of biologic packing material post, it is characterized in that: in step (3), described metal ion A and the concrete title of metal ion B are Mn 2+and Na +.
3. as claimed in claim 1 for the modified natural zeolite filler preparation method of biologic packing material post, it is characterized in that: in step (3), in metal ion A and B mixing solutions, the weight ratio of two kinds of ions is 1:1, Mn in mixing solutions 2+and Na +concentration be all 0.5g/L.
4., as claimed in claim 1 for the modified natural zeolite filler preparation method of biologic packing material post, it is characterized in that: in step (3), the weightmeasurement ratio 5:100g/mL of zeolite and metal ion A and B mixing solutions.
5. the biologic packing material post that the modified natural zeolite filler that prepared by the method for a utilization as described in any one of claim 1-4 is filled and obtained.
6. biologic packing material post as claimed in claim 5, is characterized in that: the preparation method of described biologic packing material post is as follows:
Modified zeolite and natural zeolite are respectively charged in two synthetic glass posts, loading height is 30cm, and the diameter of synthetic glass post is 2cm, and the packing density of zeolite is all 1.04gcm -3, adopt the circulation physics fixation method of BAC, nutrient solution respectively under the lifting of pump, flow 0.5mL (ming) -1, by zeolite packed column, iterative cycles 12h, makes Microorganism incubation in nutrient solution on filler.
CN201510124406.5A 2015-03-20 2015-03-20 A kind of modified natural zeolite filler preparation method for biologic packing material column CN104761045B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510124406.5A CN104761045B (en) 2015-03-20 2015-03-20 A kind of modified natural zeolite filler preparation method for biologic packing material column

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510124406.5A CN104761045B (en) 2015-03-20 2015-03-20 A kind of modified natural zeolite filler preparation method for biologic packing material column

Publications (2)

Publication Number Publication Date
CN104761045A true CN104761045A (en) 2015-07-08
CN104761045B CN104761045B (en) 2018-06-19

Family

ID=53643211

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510124406.5A CN104761045B (en) 2015-03-20 2015-03-20 A kind of modified natural zeolite filler preparation method for biologic packing material column

Country Status (1)

Country Link
CN (1) CN104761045B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1551659A1 (en) * 1986-10-28 1990-03-23 Производственное объединение "Грузгорнохимпром" Method of removing arsenic compounds from waste water
RU2184722C1 (en) * 2001-11-08 2002-07-10 КОРЧАК Владимир Николаевич Method of oxidation of benzene to phenol
CN101544412A (en) * 2009-05-11 2009-09-30 浙江皇冠科技有限公司 Aquaculture water purifying agent and preparation method thereof
CN101696066A (en) * 2009-10-29 2010-04-21 同济大学 Method for removing organic pollutants from water by drinking water enhanced treatment
CN102755913A (en) * 2012-06-28 2012-10-31 燕山大学 Method for improving ammonium exchange capacity of natural zeolite ammonium

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1551659A1 (en) * 1986-10-28 1990-03-23 Производственное объединение "Грузгорнохимпром" Method of removing arsenic compounds from waste water
RU2184722C1 (en) * 2001-11-08 2002-07-10 КОРЧАК Владимир Николаевич Method of oxidation of benzene to phenol
CN101544412A (en) * 2009-05-11 2009-09-30 浙江皇冠科技有限公司 Aquaculture water purifying agent and preparation method thereof
CN101696066A (en) * 2009-10-29 2010-04-21 同济大学 Method for removing organic pollutants from water by drinking water enhanced treatment
CN102755913A (en) * 2012-06-28 2012-10-31 燕山大学 Method for improving ammonium exchange capacity of natural zeolite ammonium

Also Published As

Publication number Publication date
CN104761045B (en) 2018-06-19

Similar Documents

Publication Publication Date Title
CN102701521B (en) Urbsewage treatment method
Show et al. Accelerated start-up and enhanced granulation in upflow anaerobic sludge blanket reactors
Rajakumar et al. Treatment of poultry slaughterhouse wastewater in upflow anaerobic filter under low upflow velocity
Wen-Ling et al. Kinetic adsorption of ammonium nitrogen by substrate materials for constructed wetlands
Kim et al. Removal of uranium (VI) from aqueous solutions by nanoporous carbon and its chelating polymer composite
CN100336745C (en) Anoxia, drop aeration, artificial wetland combination type small-scale sewage dephosphorizing and denitrifying method
CN102139990A (en) Ultrasonic combined waste water treatment process and system of refuse leachate
CN100480194C (en) Aerobic inner circulating reflux type immobilization microorganism fluidized bed reactor
CN103447013A (en) Method for preparing graphene/chitosan adsorbent and application method thereof
CN101475931A (en) Preparation of embedding immobilized effective microorganism gel bead
CN102229460B (en) Method for inducing aerobic sludge to granulate by using sludge micropowder
Galedar et al. Biosorption of ternary cadmium, nickel and cobalt ions from aqueous solution onto Saccharomyces cerevisiae cells: batch and column studies
CN103880193B (en) Build the method for vertical current constructed wetland processing breeding wastewater based on waterworks sludge
Liu et al. Regulation of aerobic granular sludge reformulation after granular sludge broken: effect of poly aluminum chloride (PAC)
CN102020342B (en) Compound three-dimensional electrode reactor and application thereof in treatment of nitrogenous organic wastewater
CN1341079A (en) Magnetic sludge suitable for use in waste water treatment and method for preparing same and method for waste water treatment
CN103589661B (en) Gemmobacter aquaticus as well as application thereof
CN102274716B (en) Preparing method for compound modified and mineralized rubbish from water treatment materials
CN103663729B (en) Sewage flocculant
CN102392011A (en) Preparation method and application of immobilized bacteria for improving denitrification efficiency of constructed wetland
CN101182512A (en) Biology diatom water treatment agent and method of producing the same
CN103224282A (en) Method and special equipment for treating oil field wastewater
CN102603039A (en) Coupling desalination method and device
Zhao et al. 6: 2 Fluorotelomer alcohol aerobic biotransformation in activated sludge from two domestic wastewater treatment plants
CN102503059B (en) Method for removing heavy metal from sludge and device thereof

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
GR01 Patent grant