CN105417726B - 一种利用白腐真菌处理聚乙烯醇生产废水的方法 - Google Patents
一种利用白腐真菌处理聚乙烯醇生产废水的方法 Download PDFInfo
- Publication number
- CN105417726B CN105417726B CN201510946383.6A CN201510946383A CN105417726B CN 105417726 B CN105417726 B CN 105417726B CN 201510946383 A CN201510946383 A CN 201510946383A CN 105417726 B CN105417726 B CN 105417726B
- Authority
- CN
- China
- Prior art keywords
- white
- waste water
- polyvinyl alcohol
- rot fungi
- production waste
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 239000004372 Polyvinyl alcohol Substances 0.000 title claims abstract description 40
- 229920002451 polyvinyl alcohol Polymers 0.000 title claims abstract description 40
- 239000002351 wastewater Substances 0.000 title claims abstract description 37
- 241000233866 Fungi Species 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000012545 processing Methods 0.000 title claims abstract description 21
- 235000015097 nutrients Nutrition 0.000 claims abstract description 23
- 238000012549 training Methods 0.000 claims abstract description 7
- 239000000243 solution Substances 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 235000002595 Solanum tuberosum Nutrition 0.000 claims description 6
- 244000061456 Solanum tuberosum Species 0.000 claims description 6
- 238000010790 dilution Methods 0.000 claims description 6
- 239000012895 dilution Substances 0.000 claims description 6
- 239000012153 distilled water Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 5
- 239000008103 glucose Substances 0.000 claims description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 241000894006 Bacteria Species 0.000 claims description 3
- 239000001888 Peptone Substances 0.000 claims description 2
- 108010080698 Peptones Proteins 0.000 claims description 2
- 235000015278 beef Nutrition 0.000 claims description 2
- 238000009835 boiling Methods 0.000 claims description 2
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical class [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 claims description 2
- 235000019797 dipotassium phosphate Nutrition 0.000 claims description 2
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 239000000706 filtrate Substances 0.000 claims description 2
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 2
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 2
- 235000019319 peptone Nutrition 0.000 claims description 2
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims description 2
- 235000012015 potatoes Nutrition 0.000 claims description 2
- 238000000518 rheometry Methods 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims description 2
- 239000011780 sodium chloride Substances 0.000 claims description 2
- 239000002537 cosmetic Substances 0.000 claims 1
- 239000010977 jade Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000010355 oscillation Effects 0.000 description 5
- 230000002085 persistent effect Effects 0.000 description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000003851 biochemical process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229920001817 Agar Polymers 0.000 description 2
- 239000008272 agar Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000221198 Basidiomycota Species 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 238000006136 alcoholysis reaction Methods 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/347—Use of yeasts or fungi
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
- C12N9/24—Hydrolases (3) acting on glycosyl compounds (3.2)
- C12N9/2402—Hydrolases (3) acting on glycosyl compounds (3.2) hydrolysing O- and S- glycosyl compounds (3.2.1)
- C12N9/2477—Hemicellulases not provided in a preceding group
- C12N9/2488—Mannanases
- C12N9/2491—Beta-mannosidase (3.2.1.25), i.e. mannanase
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Y—ENZYMES
- C12Y302/00—Hydrolases acting on glycosyl compounds, i.e. glycosylases (3.2)
- C12Y302/01—Glycosidases, i.e. enzymes hydrolysing O- and S-glycosyl compounds (3.2.1)
- C12Y302/01025—Beta-mannosidase (3.2.1.25), i.e. mannanase
-
- 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
- C02F2103/38—Polymers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Genetics & Genomics (AREA)
- Microbiology (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Biomedical Technology (AREA)
- Biotechnology (AREA)
- Molecular Biology (AREA)
- Mycology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
本发明公开了一种利用白腐真菌处理聚乙烯醇生产废水的方法,其特征在于:首先通过异步培训法筛选白腐真菌菌种,然后移植到斜面培养基上进行一级扩大培养,再移植到培养液中进行二级扩大培养,最后将完成培养后培养液加入到聚乙烯醇生产废水中,并在35‑37℃振荡培养3‑4天,即完成对聚乙烯醇生产废水的处理。本发明的有益效果体现在:本发明利用白腐真菌可以有效的完成对聚乙烯醇生产废水的处理,CODCr去除率高。
Description
一、技术领域
本发明涉及一种处理聚乙烯醇生产废水的方法。
二、背景技术
目前,国内聚乙烯醇(简称PVA)的生产工艺主要为传统的电石乙炔法,包括合成、精馏、聚合、醇解以及回收等工段,生产过程中会产生大量废液,废液中含有聚乙烯醇粉末、乳化剂、甲醇、醋酸甲酯等有机物,若直接排放会对环境产生污染。
聚乙烯醇生产废水处理研究始于20世纪70年代,其处理方法主要有两大类:物化法和生化法,各有其优缺点,其中:物化法处理组分单一且浓度较高的PVA废水效果较好,在正常生产过程中PVA废水量较大,浓度不高,成分复杂,处理效果不明显;生化法处理PVA废水分为好氧和厌氧两种方法,厌氧生化法处理设施占地面积大,处理费用较高,经济效益低。因此,一种能够有效处理聚乙烯醇生产废水的方法亟待发掘。
三、发明内容
本发明旨在提供一种利用白腐真菌处理聚乙烯醇生产废水的方法,以期能够较好的降低PVA生产废水的COD,使出水能够达到国家排放标准。
白腐真菌是一类能使木材呈白色腐朽的丝状真菌。分类学上白腐真菌属于真菌门,主要为担子菌纲,少数为子囊菌。运用白腐真菌生化法处理PVA生产废水过程中,白腐真菌菌种采用异步培训法筛选,用二级扩大培养法培养菌种,第一级为斜面培养,第二级为摇瓶培养。
本发明利用白腐真菌处理聚乙烯醇生产废水的方法,其特点在于:首先通过异步培训法筛选白腐真菌菌种,然后移植到斜面培养基上进行一级扩大培养,再移植到培养液中进行二级扩大培养,最后将完成培养后培养液加入到聚乙烯醇生产废水中,并在35-37℃振荡培养3-4天,即完成对聚乙烯醇生产废水的处理。具体是按如下步骤进行:
(1)通过异步培训法筛选白腐真菌菌种
将白腐真菌孢子涂于固态培养基表面,放入温度为35-37℃的温室内培养3天,获得白腐真菌菌种;
所述固态培养基的配制过程为:将800g土豆加入500mL蒸馏水中蒸煮2h,然后捣碎、用滤布滤除渣滓,向滤液中加入蒸馏水至1L制得马铃薯液;向所述马铃薯液中再加入25g琼脂、5g葡萄糖、1.5g磷酸氢钾,搅拌加热成液态、冷却,即获得所述固态培养基;
(2)对白腐真菌菌种进行斜面培养
将筛选后的白腐真菌菌种涂于斜面培养基表面,在32-35℃培养2天;
所述斜面培养基的配制过程为:将蛋白胨15g、牛肉膏8g、氯化钠5g、磷酸氢二钠3g和琼脂粉7g混合于1.5L蒸馏水中,加热溶解,调pH至7.0~7.8,装入培养皿中,装入量为培养皿高度的2/3,125℃高压灭菌15min,冷却,即获得斜面培养基;
(3)对白腐真菌菌种进行摇瓶培养
使用直径为4cm、高度为10cm的空心圆柱体专用取菌设备,取出3-5孔斜面培养后的白腐真菌放入100mL培养液中振荡培养1-4天,培养温度32-35℃;
所述培养液组成为:葡萄糖1g/L,磷酸二氢钾0.8g/L;
(4)聚乙烯醇生产废水的降解
将步骤(3)的培养液按体积比1:10~15加入到加入稀释2-5倍的聚乙烯醇生产废水中,35-37℃培养3-4天,即完成对聚乙烯醇生产废水的处理。
将处理后生产废水取出容量瓶静置一段时间后,测量上部清液的COD值的变化,用于评判处理效果。本发明的化学需氧量测量方法和计算公式如下:采用重铬酸钾法(CODCr)测定处理前后废水的CODCr,然后按如下公式计算CODCr去除率:
CODCr去除率/%=[(处理前CODCr-处理后CODCr)/处理前CODCr]×100%
本发明的有益效果体现在:本发明利用白腐真菌可以有效的完成对聚乙烯醇生产废水的处理,CODCr去除率高。
四、具体实施方式
实施例1
取斜面培养后的白腐真菌3孔放入100mL培养液中37℃振荡培养1天后,将培养液按体积比1:15加入到未稀释的PVA生产废水中继续振荡培养3天,培养温度控制在37℃。经测试,PVA生产废水的CODCr去除率为64.3%。
实施例2
取斜面培养后的白腐真菌3孔,放入100mL培养液中37℃振荡培养1天后,将培养液按体积比1:15加入到稀释2倍的PVA生产废水中继续振荡培养3天,培养温度控制在37℃。经测试,PVA生产废水的CODCr去除率达到72.8%。
实施例3
取斜面培养后的白腐真菌5孔,放入100mL培养液中37℃振荡培养1天后,将培养液按体积比1:10加入到稀释2倍的PVA生产废水中继续振荡培养3天,培养温度控制在37℃。经测试,PVA生产废水的CODCr去除率达到84.3%。
实施例4
取斜面培养后的白腐真菌5孔,放入100mL培养液中37℃振荡培养1天后,将培养液按体积比1:10加入稀释5倍的PVA生产废水中继续振荡培养3天,培养温度控制在37℃。经测试,PVA生产废水的CODCr去除率达到95.6%。
实施例5
取斜面培养后的白腐真菌5孔,放入100mL培养液中37℃培养1天后,在培养液中加入2g/L的葡萄糖,然后将培养液按体积比1:10加入稀释2倍的PVA生产废水中继续振荡培养3天,培养温度控制在37℃。经测试,PVA生产废水的CODCr去除率达到94.1%。
Claims (1)
1.一种利用白腐真菌处理聚乙烯醇生产废水的方法,其特征在于:首先通过异步培训法筛选白腐真菌菌种,然后移植到斜面培养基上进行一级扩大培养,再移植到培养液中进行二级扩大培养,最后将完成培养后培养液加入到聚乙烯醇生产废水中,并在35-37℃振荡培养3-4天,即完成对聚乙烯醇生产废水的处理;
具体是按如下步骤进行:
(1)通过异步培训法筛选白腐真菌菌种
将白腐真菌孢子涂于固态培养基表面,放入温度为35-37℃的温室内培养3天,获得白腐真菌菌种;
所述固态培养基的配制过程为:将800g土豆加入500mL蒸馏水中蒸煮2h,然后捣碎、用滤布滤除渣滓,向滤液中加入蒸馏水至1L制得马铃薯液;向所述马铃薯液中再加入25g琼脂、5g葡萄糖和1.5g磷酸氢钾,搅拌加热成液态、冷却,即获得所述固态培养基;
(2)对白腐真菌菌种进行斜面培养
将筛选后的白腐真菌菌种涂于斜面培养基表面,在32-35℃培养2天;
所述斜面培养基的配制过程为:将蛋白胨15g、牛肉膏8g、氯化钠5g、磷酸氢二钠3g和琼脂粉7g混合于1.5L蒸馏水中,加热溶解,调pH至7.0~7.8,装入培养皿中,装入量为培养皿高度的2/3,125℃高压灭菌15min,冷却,即获得斜面培养基;
(3)对白腐真菌菌种进行摇瓶培养
使用直径为4cm、高度为10cm的空心圆柱体专用取菌设备,取出3-5孔斜面培养后的白腐真菌放入100mL培养液中振荡培养1-4天,培养温度32-35℃;
所述培养液组成为:葡萄糖1g/L,磷酸二氢钾0.8g/L;
(4)聚乙烯醇生产废水的降解
将步骤(3)的培养液按体积比1:10~15加入到稀释2-5倍的聚乙烯醇生产废水中,并在35-37℃振荡培养3-4天,即完成对聚乙烯醇生产废水的处理。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510946383.6A CN105417726B (zh) | 2015-12-15 | 2015-12-15 | 一种利用白腐真菌处理聚乙烯醇生产废水的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510946383.6A CN105417726B (zh) | 2015-12-15 | 2015-12-15 | 一种利用白腐真菌处理聚乙烯醇生产废水的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105417726A CN105417726A (zh) | 2016-03-23 |
CN105417726B true CN105417726B (zh) | 2018-03-30 |
Family
ID=55496346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510946383.6A Active CN105417726B (zh) | 2015-12-15 | 2015-12-15 | 一种利用白腐真菌处理聚乙烯醇生产废水的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105417726B (zh) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003035561A2 (en) * | 2001-09-10 | 2003-05-01 | Universite Catholique De Louvain | Sustainable process for the treatment and detoxification of liquid waste |
US6923912B1 (en) * | 2003-07-30 | 2005-08-02 | Sorce, Inc. | Method of wastewater treatment utilizing white rot and brown rot fungi |
CN1699220A (zh) * | 2005-05-23 | 2005-11-23 | 南京工业大学 | 固定化细胞处理废水的方法及其装置 |
CN101549936A (zh) * | 2009-05-04 | 2009-10-07 | 清华大学 | 利用白腐真菌和载体处理难降解废水的方法 |
CN101811781A (zh) * | 2010-03-04 | 2010-08-25 | 南京信息工程大学 | 白腐菌腐解剂及白腐菌生产有机污染物腐解剂的方法 |
CN101973640A (zh) * | 2010-09-21 | 2011-02-16 | 东北电力大学 | 一种孔雀石绿染料废水的处理方法 |
CN103663724A (zh) * | 2013-12-04 | 2014-03-26 | 天津工业大学 | 一种白腐菌和褐腐菌混合菌群降解印染污水染料和降低cod的方法 |
CN103663721A (zh) * | 2013-09-10 | 2014-03-26 | 江苏大学 | 一种黄孢原毛平革菌降解废水中没食子酸工艺技术 |
CN104787901A (zh) * | 2015-04-21 | 2015-07-22 | 浙江工商大学 | 采用共固定化白腐真菌对印染废水脱色的方法 |
-
2015
- 2015-12-15 CN CN201510946383.6A patent/CN105417726B/zh active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003035561A2 (en) * | 2001-09-10 | 2003-05-01 | Universite Catholique De Louvain | Sustainable process for the treatment and detoxification of liquid waste |
US6923912B1 (en) * | 2003-07-30 | 2005-08-02 | Sorce, Inc. | Method of wastewater treatment utilizing white rot and brown rot fungi |
CN1699220A (zh) * | 2005-05-23 | 2005-11-23 | 南京工业大学 | 固定化细胞处理废水的方法及其装置 |
CN101549936A (zh) * | 2009-05-04 | 2009-10-07 | 清华大学 | 利用白腐真菌和载体处理难降解废水的方法 |
CN101811781A (zh) * | 2010-03-04 | 2010-08-25 | 南京信息工程大学 | 白腐菌腐解剂及白腐菌生产有机污染物腐解剂的方法 |
CN101973640A (zh) * | 2010-09-21 | 2011-02-16 | 东北电力大学 | 一种孔雀石绿染料废水的处理方法 |
CN103663721A (zh) * | 2013-09-10 | 2014-03-26 | 江苏大学 | 一种黄孢原毛平革菌降解废水中没食子酸工艺技术 |
CN103663724A (zh) * | 2013-12-04 | 2014-03-26 | 天津工业大学 | 一种白腐菌和褐腐菌混合菌群降解印染污水染料和降低cod的方法 |
CN104787901A (zh) * | 2015-04-21 | 2015-07-22 | 浙江工商大学 | 采用共固定化白腐真菌对印染废水脱色的方法 |
Non-Patent Citations (2)
Title |
---|
含聚乙烯醇废水处理技术的研究进展;邢晓琼,等;《印染助剂》;20120831;第29卷(第8期);全文 * |
白腐真菌处理硝基化合物的应用基础研究;李丽;《中国优秀硕士学位论文全文数据库》;20061231;摘要及第20-22页 * |
Also Published As
Publication number | Publication date |
---|---|
CN105417726A (zh) | 2016-03-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103111463A (zh) | 重金属污染土壤的修复方法 | |
Fa-Hu et al. | Calcareous sodic soil reclamation as affected by corn stalk application and incubation: a laboratory study | |
CN103191914B (zh) | 里氏木霉联合伴矿景天在镉污染农田土壤修复中的应用 | |
CN104829078B (zh) | 用混合微生物菌剂无害化处理钻井泥浆的方法 | |
CN102151551B (zh) | 重金属生物吸附剂及其制备方法和在处理含镉废水中的应用 | |
CN105453749B (zh) | 温室室内栽培土壤去盐渍化系统 | |
CN106520591A (zh) | 一种促生芽孢杆菌及其应用 | |
CN101948787A (zh) | 筛选鼠李糖脂产生菌的方法及所用培养基 | |
CN105588932B (zh) | 一种估算土壤总呼吸释放碳量的方法 | |
CN105417726B (zh) | 一种利用白腐真菌处理聚乙烯醇生产废水的方法 | |
CN104774888B (zh) | 一种虫草素发酵固体培养基及其制备方法与应用 | |
CN109401974A (zh) | 一种石油污染土壤微生物处理方法 | |
CN104371940A (zh) | 一种铜绿假单胞菌及其应用 | |
CN107020295A (zh) | 一种基于微生物转化的镉污染耕地原位快速修复方法 | |
CN101724697A (zh) | 一种荧光定量pcr技术筛选低富集镉花生品种的方法 | |
CN111060618A (zh) | 含水层硝酸盐反硝化速率原位测定方法和装置 | |
CN115095305B (zh) | 一种基于微生物的调剖驱油方法 | |
CN106520631A (zh) | 一种复合菌剂及其在污水处理中的应用 | |
CN102373274B (zh) | 转基因抗虫水稻土壤环境安全的评价方法 | |
CN102409017A (zh) | 一株枯草芽孢杆菌及其培养方法与应用 | |
CN110257538A (zh) | 一种好养反硝化细菌筛选引物及方法 | |
Jiang et al. | Different effects of taproot and fibrous root crops on pore structure and microbial network in reclaimed soil | |
CN105219657A (zh) | 云芝液体发酵高产多糖菌株及其选育方法 | |
CN109220543A (zh) | 一种利用氨基酸发酵废水制备香菇菌棒的方法 | |
CN107384977A (zh) | 一种利用正电压增强污泥发酵有机废物产乳酸效能的方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A method of using white rot fungi to treat polyvinyl alcohol production wastewater Effective date of registration: 20231120 Granted publication date: 20180330 Pledgee: Industrial and Commercial Bank of China Limited Chaohu sub branch Pledgor: ANHUI WANWEI UPDATED HIGH-TECH MATERIAL INDUSTRY Co.,Ltd. Registration number: Y2023980066345 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |