CN106259511B - 一种生物除藻剂 - Google Patents

一种生物除藻剂 Download PDF

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CN106259511B
CN106259511B CN201610627230.XA CN201610627230A CN106259511B CN 106259511 B CN106259511 B CN 106259511B CN 201610627230 A CN201610627230 A CN 201610627230A CN 106259511 B CN106259511 B CN 106259511B
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吴帆
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Abstract

本发明公开了一种生物除藻剂，以各组分体积浓度计，EM菌40‑45％，纤维酶10‑15％，中草药提取物9‑30％，纯水20‑41％。中药成分有很好的杀藻及抑藻作用；菌酶制剂对于降解水体中有机物和总氮含量有明显作用，其中纤维酶可以对水体中的纤维素成分进行分解。中药提取物与菌酶制剂协同作用下，对水体改善作用明显；向原水投放该除藻剂一周后，检测水质指标，原水中的蓝藻基本完全去除，COD去除率为58.5％，总氮去除率为82.2％，氨氮去除率为72.4％，水体pH由8.8降至7.7。

Description

一种生物除藻剂
技术领域
本发明涉及水生态治理环保领域，尤其涉及一种生物除藻剂。
背景技术
水体富营养化是当今世界面临的一项重大水环境问题，随着城市化和工业化不断发展，排入水体的营养物质增多，水体富营养化日趋严重，由此造成的水华频繁发生，严重影响我国水环境健康和饮用水源地安全。因此，寻求有效、安全的水华防治措施及去除有害藻类的方法势在必行。
目前传统的除藻剂主要有硫酸铜、醋酸、高岭土等化学药品，这些产品副作用较大，有一定的生态风险，对水中鱼类和浮游动物的生长产生威胁，且不能从根本上改善水体富营养化状态。
多种微生物菌种组成的有效微生物菌群(effective microorganisms，EM菌)通过在水体中进行营养竞争，抑制有害微生物生长，并有效利用氮磷无机盐等途径，在抑藻、杀藻和构建健康平衡的水生态系统方面能发挥重要作用。
复合生物酶采用高效的纤维酶，可降解水体中死亡的植物遗体，以防其对水体造成的污染。
从中药植物中提取活性物质用于杀菌抑菌已有许多成功应用，同时我国具有较为丰富的中药植物资源，但利用中药植物提取物是否对水体蓝藻同样具有杀灭或抑制作用，尚未得到很好的研究。
发明内容
本发明采用的是微生态工程技术(发酵工程、酶工程、中药生物提取工程)创新研制的除藻剂，采用复合菌、复合酶、以及经发酵法生物转化的无毒高效中药提取物共同发挥作用，去除藻类的同时，构建了健康的水生态环境。
本项产品是一种历经多年反复论证并通过数次实验，最终研制而成的集中药提取物、多种有效优势菌株及生物酶的高效的、绿色环保净水的除藻产品。
本发明采用的技术方案为:
一种生物除藻剂，包括EM菌、纤维酶、中草药提取物、纯水。
以各组分体积浓度计，EM菌40-45％，纤维酶10-15％，中草药提取物9-30％，纯水20-41％。
进一步的，所述EM菌由光和细菌、乳酸菌、酵母菌和放线菌为主的微生物复合而成。
进一步的，所述中草药提取物由五倍子提取液和吴茱萸提取液组成。
进一步的，所述五倍子提取液与吴茱萸提取液的质量比为1：1。
进一步的，所述五倍子提取液的制作过程包括如下步骤：首先将500g五倍子放入2L纯净水中常温常压下沸水煮1.5-2.5h，冷却至室温，过滤，浓缩至1L，得到五倍子提取液。
进一步的，所述吴茱萸提取液的制作过程包括如下步骤：首先将500g吴茱萸放入2L纯净水中常温常压下沸水煮1.5-2.5h，冷却至室温，过滤，浓缩至1L，得到吴茱萸提取液。
本发明的有益效果在于：①中药成分有很好的杀藻及抑藻作用；菌酶制剂对于降解水体中有机物和总氮含量有明显作用，其中纤维酶可以对水体中的纤维素成分进行分解。中药提取物与菌酶制剂协同作用下，对水体改善作用明显；②向原水投放该除藻剂一周后，检测水质指标，原水中的蓝藻基本完全去除，COD去除率为58.5％，总氮去除率为82.2％，氨氮去除率为72.4％，水体pH由8.8降至7.7。
具体实施方式
下面结合具体实施例对本发明作进一步详细的说明。
下面结合实施例对本发明作进一步的详细说明，但本发明不限于所给出的实施例：
实施例1:
以各组分体积浓度计，EM菌40％，纤维酶10％，中草药提取物30％，纯水20％制成除藻剂，记为组1，除藻剂使用量为0.1L混合液/吨水，记录水质指标，详见表1。
表1组1的除藻效果
向原水投放该除藻剂一周后，检测水质指标，由表1可知，原水中的藻类基本完全去除，COD去除率为63.0％，总氮去除率为77.8％，氨氮去除率为72.0％，水体pH由8.8降至7.7。
实施例2:
以各组分体积浓度计，EM菌40％，纤维酶10％，中草药提取物15％，纯水35％制成除藻剂，记为组2，除藻剂使用量为0.1L混合液/吨水，记录水质指标，详见表2。
表2组2的除藻效果
Day1 Day2 Day3 Day4 Day5 Day6
水体感官 绿色，浑浊 浅褐色 深褐色 深褐色 深褐色 深褐色
藻类 无明显变化 部分死亡 死亡率达60％ 死亡率80％ 死亡率约100％
浮萍 部分变黄 部分变黄 变黄 变黄 变黄
COD 135 118 53
氨氮 15 9.0 4.2
总氮 45 13 11
pH 8.8 7.6 7.6
向原水投放该除藻剂一周后，检测水质指标，由表2可知，原水中的藻类基本完全去除，COD去除率为60.7％，总氮去除率为75.6％，氨氮去除率为72.0％，水体pH由8.8降至7.6。
实施例3：
以各组分体积浓度计，EM菌40％，纤维酶10％，中草药提取物9％，纯水41％制成除藻剂，记为组3，除藻剂使用量为0.1L混合液/吨水，记录水质指标，详见表3。
表3组3的除藻效果
Day1 Day2 Day3 Day4 Day5 Day6
水体感官 绿色，浑浊 淡黄色 淡黄色 淡黄色 淡黄色 淡黄色
藻类 无明显变化 部分死亡 死亡率达60％ 死亡率80％ 死亡率约100％
浮萍 部分变黄 少量发黄 少量发黄 少量发黄 少量发黄
COD 135 120 56
氨氮 15 8.8 4.1
总氮 45 13 11
pH 8.8 7.7 7.7
向原水投放该除藻剂一周后，检测水质指标，由表1可知，原水中的藻类基本完全去除，COD去除率为58.5％，总氮去除率为75.6％，氨氮去除率为72.7％，水体pH由8.8降至7.7。
实施例4：
以各组分体积浓度计，EM菌45％，纤维酶15％，中草药提取物15％，纯水20％制成除藻剂，记为组4，除藻剂使用量为0.1L混合液/吨水，记录水质指标，详见表4。
表4组4的除藻效果
向原水投放该除藻剂一周后，检测水质指标，由表4可知，原水中的藻类基本完全去除，COD去除率为55.6％，总氮去除率为57.8％，氨氮去除率为68％，水体pH由8.8降至7.7。

Claims (1)

1.一种生物除藻剂，其特征在于，以各组分体积浓度计，EM菌40-45％，纤维酶10-15％，中草药提取物9-30％，纯水20-41％，所述EM菌由光合细菌、乳酸菌、酵母菌和放线菌为主的微生物复合而成，所述中草药提取物由五倍子提取液和吴茱萸提取液组成，其体积比为1：1；
所述五倍子提取液的制作过程包括如下步骤：首先将500g五倍子放入2L纯净水中常温常压下沸水煮1.5-2.5h，冷却至室温，过滤，浓缩至1L，得到五倍子提取液；
所述吴茱萸提取液的制作过程包括如下步骤：首先将500g吴茱萸放入2L纯净水中常温常压下沸水煮1.5-2.5h，冷却至室温，过滤，浓缩至1L，得到吴茱萸提取液。
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CN108101168A (zh) * 2017-12-06 2018-06-01 安徽师范大学 利用喜旱莲子草浸提液进行除藻的方法和除藻剂
CN112299567B (zh) * 2020-09-10 2022-11-25 苏州贝彩纳米科技有限公司 一种抑制蓝藻的微生物混合制剂及其制备方法

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中药除藻剂的筛选及其对铜绿微囊藻降解特性的研究;许博;《复旦大学硕士学位论文》;20120415;第19-25页 *

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Inventor after: Han Qiao

Inventor before: Wu Fan