CN1931741A - 生物多菌类废水处理剂以及废水回收再利用方法 - Google Patents
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Abstract
本发明公开了一种生物多菌类废水处理剂，以及利用这种废水处理剂的废水回收再利用方法。生物多菌类废水处理剂的配方有：K2HPO4、KH2PO4、MgSO4·7H2O、CaCl2·2H2O、NH4Cl、DL－苹果酸钠、酵母膏、EDTA－2Na、FeSO4·7H2O、H3BO4、CaCl2·6H2O、ZnCl2、生物素、尼克酸、L－谷氨酸钠、生长因子液、微量元素液、MnCl2·2H2O、Na2MoO4·2H2O、NiCl2·6H2O、CuCl2·2H2O、对氨基苯甲酸、维生素B1、维生素B2、维生素B6和水。废水处理时，在一定温度、pH值和压力下，按比例投放优选菌种。本发明解决了生物酶降解植物纤维后的废水处理问题，处理效果好、周期短，处理后的废水还可以回收再次利用，降低了生产成本。
Description
技术领域
本发明涉及一种废水处理剂以及利用这种处理剂进行废水回收再利用的方法，尤其涉及一种生物多菌类混合处理植物纤维被降解后的废水处理剂及其回收再利用方法。
背景技术
目前采用生物法制浆的原料是植物纤维，在生产过程中最重要的环节就是对植物纤维进行降解。而降解后的废水PH呈碱性，CODcrBOD5会严重超标，其中还含有很多有害成分，比如磷、氨氮、悬浮颗粒物、果胶质、木素等，如果不加以处理或者不妥善处理就进行排放，会对水体造成严重污染。
发明内容
本发明提供了一种生物多菌类废水处理剂以及利用这种废水处理剂进行废水回收再利用的方法。
一种生物多菌类废水处理剂，包括以下配方：
(1)K2HPO4 0.8g (2)KH2PO4 2g
(3)MgSO4·7H2O 0.3g (4)CaCl2·2H2O 0.08g
(5)NH4Cl 2g (6)DL-苹果酸钠 4g
(7)酵母膏 0.6g (8)EDTA-2Na 3g
(9)FeSO4·7H2O 3g (10)H3BO4 200mg
(11)CaCl2·6H2O 200mg (12)ZnCl2 200mg
(13)生物素 120mg (14)尼克酸 200g
(15)L-谷氨酸钠 2g (16)生长因子液 2ml
(17)微量元素液 2ml (18)水 1000ml
(19)MnCl2·2H2O 200mg (20)Na2MoO4·2H2O 25mg
(21)NiCl2·6H2O 25mg (22)CuCl2·2H2O 20mg
(23)对氨基苯甲酸 200mg (24)维生素B1 200mg
(25)维生素B2 300mg (26)维生素B6 300mg
在进行生物菌净化废水时，调整PH值到6.7～7范围内，灭菌压力在50kPa，废水温度在13℃～25℃，灭菌时间在15min～45min之间。
一种利用上述生物多菌类废水处理剂的废水回收再利用方法，包括以下步骤：
(1)将植物纤维被降解后的废水送入沉淀池；
(2)经过步骤(1)沉淀后的废水送入超声波灭菌器；
(3)将经过步骤(2)灭菌后的废水送入生物菌处理废水反应池内，按比例投放优选菌种；
(4)将生物菌处理后的废水送入储水池，再次利用。
与现有技术相比，本发明的有益效果是：此项发明解决了目前生物酶降解植物纤维后产生的废水的处理问题。其处理效果好，周期短，可使废水各项指标打到国家标准，同时处理后的废水中含有植物纤维降解的有效成分，还可以回收再次利用，有效的降低了生产成本。
附图说明
图1是利用生物多菌类废水处理剂对废液进行回收再利用的流程图。
具体实施方式
首先说明菌种的提取过程：
取30％菌液，60％培养基和10％废液的混合液作为驯化的起始点，培养40小时左右便达到对数生长期，然后取其中50％，并补充同体积含有2/5废水，3/5培养基的混合液后再培养40小时，接着用3/5废水和2/5培养基混合重复上述过程，按照同样方法逐步增加废水的含量，减少培养基用量，直至完全使用废水为止。当废水比例逐渐增大后，应相应延长每次培养驯化的时间，以确保光合菌的生长优势和浓度，其驯化条件同上。当完全用废水驯化并重复3-4次后，即为驯化好的菌种。
现结合附图对本发明作进一步详细说明。参考图1，利用生物多菌类废水处理剂对废液进行回收再利用的流程如下：
1.将生物制浆降解池101所排出的植物纤维被降解后的废液106以及被降解的植物纤维经过压滤机104所排出的废液，送入废水沉淀池107；
2.当废液进入沉淀池107后，水中的悬浮物得以去除，并除去一部分不溶性的BOD5；
3.沉淀后的废液经超声波灭菌器108后，除去大量的浮游生物和腐气味；
4.废液再进入生物菌处理废水反应池109内，按照比例投放优选菌种，保障生物菌在池内正常反应；
5.被生物菌净化后的水排入储水池110进行再次利用111。
本发明的废液回收再利用方法已经应用于处理生物降解制浆废水的生产线上。事实证明，其处理效果明显，对随机抽取的处理300吨废水的水样进行检测，检测结果各项理化指标如下表所示，均符合国家标准。
| 项目 | 生物制浆排放的废液 | 生物菌净化后的水质 |
| PH | 8.3 | 6.8 |
| CODcr(mg/l) | 92 | 4.5 |
| BOD5(mg/l) | 85.26 | 0.64 |
| 总磷(mg/l) | 3.1 | 0.21 |
| SS(mg/l) | 6 | 0.02 |
| 氨氮(mg/l) | 12 | 0.06 |
| 果胶质/％ | 0.8 | 0.12 |
| 木素/％ | 3.2 | 0.25 |
以上所述实施方式仅为本发明的优选实施例，而本发明并不限于上述实施例，对于本领域一般技术人员而言，在不背离本发明原理的前提下对它所做的任何显而易见的改动，都属于本发明的构思和所附权利要求的保护范围。
Claims (6)
1.一种生物多菌类废水处理剂，其特征在于包括以下配方：
(1)K2HPO4 0.8g (2)KH2PO4 2g
(3)MgSO4·7H2O 0.3g (4)CaCl2·2H2O 0.08g
(5)NH4Cl 2g (6)DL-苹果酸钠 4g
(7)酵母膏 0.6g (8)EDTA-2Na 3g
(9)FeSO4·7H2O 3g (10)H3BO4 200mg
(11)CaCl2·6H2O 200mg (12)ZnCl2 200mg
(13)生物素 120mg (14)尼克酸 200g
(15)L-谷氨酸钠 2g (16)生长因子液 2ml
(17)微量元素液 2ml (18)水 1000ml
(19)MnCl2·2H2O 200mg (20)Na2MoO4·2H2O 25mg
(21)NiCl2·6H2O 25mg (22)CuCl2·2H2O 20mg
(23)对氨基苯甲酸 200mg (24)维生素B1 200mg
(25)维生素B2 300mg (26)维生素B6 300mg。
2.根据权利要求1所述的生物多菌类废水处理剂，其特征在于：进行生物菌净化废水时，调整PH值到6.7～7范围内。
3.根据权利要求1所述的生物多菌类废水处理剂，其特征在于：进行生物菌净化废水时，灭菌压力在50kPa。
4.根据权利要求1所述的生物多菌类废水处理剂，其特征在于：进行生物菌净化废水时，所述废水温度在13℃～25℃。
5.根据权利要求1所述的生物多菌类废水处理剂，其特征在于：进行生物菌净化废水时，灭菌时间在15min～45min之间。
6.一种利用权利要求1至5所述的生物多菌类废水处理剂的废水回收再利用方法，其特征在于包括以下步骤：
(1)将植物纤维被降解后的废水送入沉淀池；
(2)经过步骤(1)沉淀后的废水送入超声波灭菌器；
(3)将经过步骤(2)灭菌后的废水送入生物菌处理废水反应池内，按比例投放优选菌种；
(4)将生物菌处理后的废水送入储水池，再次利用。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198980A (zh) * | 2010-03-24 | 2011-09-28 | 同济大学 | 一种生物促进剂及其制备方法 |
| WO2014134731A1 (en) * | 2013-03-07 | 2014-09-12 | Kane Biotech Inc. | Antimicrobial-antibiofilm compositions and methods of use thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198980A (zh) * | 2010-03-24 | 2011-09-28 | 同济大学 | 一种生物促进剂及其制备方法 |
| CN102198980B (zh) * | 2010-03-24 | 2013-10-23 | 同济大学 | 一种生物促进剂及其制备方法 |
| WO2014134731A1 (en) * | 2013-03-07 | 2014-09-12 | Kane Biotech Inc. | Antimicrobial-antibiofilm compositions and methods of use thereof |
| CN105307664A (zh) * | 2013-03-07 | 2016-02-03 | 凯恩生物科技有限公司 | 抗微生物-抗生物膜组合物及其使用方法 |
| AU2014225252B2 (en) * | 2013-03-07 | 2018-10-04 | Kane Biotech Inc. | Antimicrobial-antibiofilm compositions and methods of use thereof |
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