臭氧對水中微生物殺菌(二)
2025-04-02
來源:冠宇環保
1.4.1.2 河蟹育苗用水殺菌試驗 .(1997 年 3 月至 5 月間,分別在塘沽區塘寧育苗場;大港區大華育苗場對河蟹育苗用水的臭氧處理滅菌效果進行了試驗。在含有藻類的育苗水體中,當水體中細菌總數在 10 2 數量級以上,在臭氧投加量為 1.2 mg / 1 時,對水中的細菌殺滅率可達到 90% 以上。同時可以有效的殺滅水體中的弧菌,當臭氧投加量為 2 mg/l 時,弧菌殺滅率可達 99% 以上 1.4.2 臭氧對浮游生物的作用 在 1997 年 3 月至 5 月間,利用 QT 一 20 型臭氧水處理器對臭氧在海水中殺滅浮游生物效果進行試驗。根據文獻對于浮游生物,溶解臭氧濃度 0.5 - 1 ppm 便能破壞藻類原生動物。對于小型軟體動物,溶解臭氧濃度為 2.2 ppm 時,處理時間 30 分鐘能殺死 98% 的幼蟲。在臭氧注入量為 2.2 - 3 ppm 時,能得到 50% 的殺藻結果。 1.4.2.1 臭氧對浮游動物的作用。臭氧對水中浮游生物的殺滅作用是一個受多種因素影響的復雜過程。盡管在每次試驗中的水質生化條件不同,其數據有較大的差異,但不難看出水中浮游動物對臭氧反應敏感。在一般情況下,臭氧投加量為 2.08 mg / l 時,對浮游動物的殺滅率就可達到 95 %以上。臭氧投加量為 4.17 mg / 1 時對浮游動物的殺滅率可達到 100% 。 1.4.2.2 臭氧對浮游植物的作用。浮游植物對于臭氧的反應似乎不那么敏感。臭氧投加量為 1.2mg / l 時滅藻率為 31 - 36% ,臭氧投加量為 2.08 mg / 1 時對藻類的殺滅率可達 50% 以上,當臭氧投加量達 4.17 mg / 1 時對藻類的殺滅率為 89 %左右。 1.4.2.3 臭氧對不同種類浮游植物的作用。臭氧對不同種類的浮游植物的殺滅作用是不同的,對此我們分別在塘沽區塘寧育苗場、大港區大華育苗場進行了臭氧對藍藻、綠藻、金藻、硅藻作用效果進行試驗分析,臭氧對不同種類的浮游植物作用效果差異較大,對金藻的殺滅效果強烈,對硅藻次之,對藍綠藻的殺滅作用差。總體分析,臭氧對浮游植物的殺滅作用不但與其種類有關,而且還受其絕對數量的直接影響。藻類的絕對數量大,則需臭氧投加量加大。其中藍綠藻絕對數量大,總體滅藻率則下降。 1.4.3 臭氧對赤潮生物的作用 赤潮是指海洋中的浮游生物爆發性增殖,造成海水變色。由于其生物種群不同可呈現紅、褐或灰黑色。赤潮會對近岸海洋生物造成嚴重危害。據質料報道臭氧可以有效的殺滅赤潮生物,分解赤潮生物毒素。 1995 年 8 月 28 日大連水產學校劉永清等在山東長島縣砣磯島附近海域發現赤潮,并應用臭氧對赤潮生物 ( 夜光蟲 ) 進行了殺滅試驗,經臭氧處理后夜光蟲發生粉碎性破裂。 1998 年 10 月 6 日天津市水產研究所對渤海灣赤潮生物多甲藻進行了臭氧殺滅試驗。多甲藻經臭氧處理 10 分 二、冠宇冀冠牌臭氧發生器對水中微生物殺菌機型及參數:
基本
文件
流程
錯誤
SQL
調試
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- 運行時間 : 0.311203s [ 吞吐率:3.21req/s ] 內存消耗:4,679.36kb 文件加載:159
- 查詢信息 : 38 queries 1 writes
- 緩存信息 : 2 reads,0 writes
- [ LANG ] D:\wwwroot\www.qqoutland.cn\thinkphp\lang\zh-cn.php
- [ ROUTE ] array (
'rule' => 'indappinfo/<id?>',
'route' => 'index/industry/info',
'option' =>
array (
'merge_rule_regex' => false,
),
'var' =>
array (
'id' => '167',
),
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'content-length' => '0',
'x-original-url' => '/indappinfo/167.html',
'ali-cdn-real-ip' => '135.181.3.246',
'x-client-scheme' => 'https',
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'accept-encoding' => 'gzip,deflate',
'accept' => 'text/plain,text/html,application/xhtml+xml,application/xml',
'via' => 'cn7174.l1, kunlun6.cn7174, l2cn2655.l2, cache7.l2cn2655',
)
- [ PARAM ] array (
'id' => '167',
)
- [ DB ] INIT mysql
- [ VIEW ] D:\wwwroot\www.qqoutland.cn\application\index\view\default\news\newsDetail.html [ array (
0 => 'navigation',
1 => 'link',
2 => 'resource',
3 => 'site',
4 => 'imgPath',
5 => 'controller',
6 => 'info',
7 => 'title',
8 => 'prevNews',
9 => 'nextNews',
) ]
- [8]未定義變量: action[D:\wwwroot\www.qqoutland.cn\runtime\temp\4f8cb726770ad590639b216877a35250.php:40]
- [ DB ] CONNECT:[ UseTime:0.000864s ] mysql:host=127.0.0.1;port=3606;dbname=www_gysb_com;charset=utf8
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- [ SQL ] SHOW COLUMNS FROM `tc_link` [ RunTime:0.000744s ]
- [ SQL ] SELECT `title`,`url`,`nofollow` FROM `tc_link` WHERE `type` = 0 ORDER BY `id` ASC [ RunTime:0.000283s ]
- [ SQL ] SELECT `title`,`url`,`nofollow` FROM `tc_link` WHERE `type` = 1 ORDER BY `id` ASC [ RunTime:0.000239s ]
- [ SQL ] SHOW COLUMNS FROM `tc_news` [ RunTime:0.000801s ]
- [ SQL ] UPDATE `tc_news` SET `view_num` = `view_num` + 1 WHERE `id` = 167 AND `state` = 1 [ RunTime:0.004097s ]
- [ SQL ] SELECT * FROM `tc_news` WHERE `id` = 167 AND `state` = 1 LIMIT 1 [ RunTime:0.000525s ]
- [ SQL ] SELECT `id` FROM `tc_news` WHERE `id` < 167 AND `cat_id` = 76 AND `state` = 1 ORDER BY `created_time` DESC LIMIT 1 [ RunTime:0.000540s ]
- [ SQL ] SELECT `id` FROM `tc_news` WHERE `id` > 167 AND `cat_id` = 76 AND `state` = 1 ORDER BY `created_time` ASC LIMIT 1 [ RunTime:0.000402s ]

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