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Biogas process
05-11-2013 Views: 4508

Biogas

෤ Ҿ Biogas Technology

Ѩغѹ§ѵ㹻ԭ ԺоѲҢҧǴ Ũҡ§ѵԴѭҢͧйҨҡ§ ѵ੾ҧ ҡء ѧ繻ѭҷҾǴ лѭҹѺѹзդعçҡ

ʪҾ෤ٻẺ˹觫ɵáü §ѵ ءª㹿§ѵҹҹ Ѻҡ˹§ҹҪ ªѧѧջѭТͨӡѴ 駹ТҴ֡ Ԩѹҧԧѧеͧ

աкʪҾաáҧ ʹյ繪Դ͡Ẻªͧѵ§ǹ ˹觢ͧҹ 駡÷ӧҹͧкѧջѭҷҧ෤Ԥ´ҹ

Ѩغѹ֧ աûء෤ʪҾ㹿§ѵ 鹡úӺѴͧ¨ҡ§ѵСѡҾǴ ͡˹仨ҡªͧ ͧ§ҧ


¢ͧʪҾ

ʪҾ ʷԴ鹵ҵ ҡԹ ¨Թ Ȩҡ͡ਹ ʪҾСͺªԴ ǹ˭෹ (CH4) ҳ 50-70% ʤ͹͡䫴 (CO2) ҳ 30-50% ǹʪԴ ਹ (H2) ͡ਹ (O2) ਹ俴 (H2S) ਹ (N2) ͹

ǹԹлȨҡ͡ਹ

ǹ»Сͺ 2 鹵͹ 鹵͹Թš˭ ѹ õչ ٻ¨繡ôԹ (volatile acids) ¨Թҧô (acid-producing bacteria) Т鹵͹¹ôԹ෹ ʤ͹͡䫴 بԹҧ෹ (methane-producing bacteria)

Ѩ·ԷԾŵ͡üԵʪҾ

ԹСüԵջѨµҧ Ǣͧѧ仹

1. س (Temperature) ԹСüԵҾȨҡ͡ਹ öԴ㹪ǧسԷҧҡ 4-60 ͧʢѺԴͧԹ

2. 繡ô-ҧ (pH) 繡ô-ҧ դӤѭ͡ѡҡ ǧ pH дѺ 6.6-7.5 pH Թ仨ѹµẤ·ҧ෹

3. ŤԹԵ (Alkalinity) ŤԹԵ ¶֧ ö㹡ѡдѺ繡ô-ҧ ŤԹԵ͡ѡդһҳ 1,000 5,000 ԡ/Ե ٻͧ๵ (CaCO3)

4. (Nutrients) ԹդѺԭԺⵢͧԹ §ҹ֡Ҿ Ѵǹ C:N C:P ѵ 25:1 20:1 ӴѺ

5.Ѻþ (Inhibiting and Toxic Materials) ôѹ ਹ ö颺ǹ Ҿ͡ਹشЧѡ

6.ԹѡɳТͧԹ Ѻǹ դᵡҧѹ ѺѨµҧ Ǣͧ

7.ԴẺͧʪҾ(Biogas Plant)ʪҾ 觵ѡɳС÷ӧҹ ѡɳТͧͧ·ѵشԺ лԷҾ ÷ӧҹ 2 Դ˭ ѧ

7.1 ѡͺѡͧ ѡҷաҧªѹ繷Ѻѹ· 3 Ẻѡ

(1) Ẻʹ (fixed dome digester)

(2) ẺҤͺ (floating drum digester) ẺԹ (Indian digester)

(3) Ẻʵԡҧ (plastic covered ditch) Ẻ (plug flow digester)

7.2 ѡͺͺӺѴ 2 Ẻѡ

7.2.1 ẺèصǡҧҾ͡ਹ (Anaerobic Filter) Ҩ¡ ẺͿ (AF) ǡҧҡʴªԴ ͹Թ Ǵ ʵԡ ѧ Ѵ繷͹ 繵 ѡɳТͧѡẺ ԹԭԺӹǹǡҧ ١֧Ѻʶ١㹾ʵԡ˹ҧ ѡ蹷Ѻͻͧѹʧᴴѹ

7.2.2 Ẻʺ (UASB Upflow Anaerobic Sludge Blanket) ѡẺ С͹ͧԹ (sludge) ͹㹺ѡ ǡҧԹ ѡɳС÷ӧҹͧѡԴ ¡äǺǢͧҺѡҡҹҧҹ С͹ǹШµ 仾Ѻ·͡͡ С͹ǹ˹ѡШŧ鹺


ªҡʪҾ

. ҹѧҹ ;ԨóҶ֧ҹɰԨ ŧعԵʪҾŧعӡҡüԵԧԴ ö鷴᷹ѧҹԧҡ ׹ ҹ ѹ ا 俿 ʪҾӹǹ 1 ١ȡöѧ

1. Ҥ͹ 3,000-5,000 ͹з 130 š س 20 ͧ ʹ

2. Ѻ§ʢҴ 60-100 ѵ ء 5-6

3. Ե俿 1.25 ѵ

4. Ѻͧ¹ 2 ç ҹ 1

5. ѺͺǢҴ 4 öا 3

2. ҹѺاҾǴ

¡ùѵ йҧ͡ѡ㹺ʪҾ 繡ê¡ӨѴ㹺dz§ŧѹ㹺dz ŴŧмŨҡѡѵ 㹺ʪҾȨҡ͡ਹҹҹ Ҹäǹ˭ѵ´ 繡÷äҧԴ äԴ ҵ оҸԷҨШ¨ҡѵ¡ѹ ͡ҡѧ繡ûͧѹѵ١ҧŧ觹ӵ ҵ

3. ҹɵ

3.1 ÷繻 ҡҡѡʪҾö繻աѵʴ л¤͡ 駹ͧҡ㹢зաѡ ա¹ŧûСͺਹѵ תöª

3.2 ÷ѵ ¹ǹͨҡѡ 仵ҡ ǹ仼ѵءáԹ 駹բͨӡѴ ҧ 5-10 š ǹ 100 š зѵԭԺ⵵繡Ŵ鹷عüԵա

ʪҾԵ俿

͹ҨзӡüԵ俿 Ҩ繵ͧ͹ҢҴѡè١ȡ Шӹǹ俿㹿 ҡ鹨֧ӹdzػó ѧóյҧʪҾẺ Ҵѡջҵ 170 ١ȡ 觪شͧͧ¹Ե俿 Сͺǹҧ ѧ

1) ͧ¹ ͧ¹ູԹ 4 ٺ (ͧ¹) к͡ٺ ҡѺ 198 ١ȡૹ ѴǹѴҡȵʪҾ 8.2:1 աѧ 91 ç 4,800 ͺ/Թҷ çԴ٧ش ҡѺ 160 ǵѹ 3,200 ͺ/ҷ

2) ͧԴ俿 ѧ俿٧ش ҡѺ 13 ѵ 3 çѺ͹俿 380 ŷ ҳ俿 30

3) ͧǺǧ俿 ѵػʧԴͤǺ俿ҵ٧Թ㹡óç ͹俿ҵ ٧仵

شͧԴ俿Ҫش͡ẺͼԵ俿ҳ 30-50% ͧҳ俿ҷͧ¼Ե 1.4 ѵͪ 1 ١ȡ 俿ҷԵöѺͧٺӢҴ 15 ç ͧ 5 ç ͧâҴ 20 ç »Ԩзӧҹ ѹ

ҧѡʪҾ

1. ͡ʶҹ ͡ʶҹ 㹷ʧҧ֧ͧ ШзкѡӧҹҧջԷҾ ͡ҧ͹ ӷ֧ дѺԹ֡

2. ͡ẺѡʪҾ þѲẺҧʪҾ ѺҾͧо鹷 ִѡ ͧ¹ ûԺѵ ջԷҾ٧СѺѧҹШѹ ͧӹ֧֧觵仹

2.1 ʶҹҧʪҾ

2.2 Ҵͧѡ

2.3 ѡɳТͧẺ ٻçͧͷ

2.4 ӹǹѵ§㹿觨ѹѺŷ͡

2.5 Թع㹡áҧ

2.6 俿㹿

2.7 ʴػóҧʪҾ

2.8 ˹§ҹҧҪ÷ӻ֡੾дҹǡѺͧʪҾ

3. 鹵͹ҧʪҾ

鹵͹ҧʪҾ 鹨ҡǨ鹷ЪԴͧԹdzСҧ͡͹ ҧѧٹºdzҨТش ͷТش շ 3 ѡ Ǩ֧ش͵Ẻҵͧ 鹡ҧdz鹺͡͹ء ٻçҺº ҡ鹨֧ͼѧͧк ҧ纡ѡʷҡѡçԵ俿

ͧʪҾ

1. ẺʹẺԡ (Fixed Dome) ѡɳ繷çѧԹ ǹѡѡɳ ẺѺ§ѵ Ҵ բʹ Ѵ鹷dz µ͡õҧкءèҡç͹ѡ

2. ẺҧҹẺ (Plug flow) ѡɳٻҧٽѧ㹴Թ ǹʨҾʵԡ¡ red-mud-plastic ǹͧѡ ʹբͧẺ ͧҡѡɳТͧ ֧㹡ѡءҡ 觶ء㹡ѡҹ з ҳʷԴҡ鹴

3. Ẻο (HIPHI) кáӨѴͧẺο (HYPHI) к͡Ẻ͡ӨѴͧ¨ҡءдѧҧ֧дѺ˭ ͿҴ ҳ 1,500 ੾ 觡ӨѴ駢ͧ·繢ͧءǹ繢ͧ йҧ͡ к͡Ẻ͡ӨѴͧ դ鹵 ο (HYPHI) Ҩҡ Hybrid Plug flow High-rate System кСͺ¶ѧѡС͹Ẻѡ (Plug -flow) жѧѡͧ繹Ẻѡ (High-rate) Ҵ ͷкáӨѴͧ´ѧöӨѴͧ·繹 ҳҡ

úاѡҺʪҾ

úاѡ

蹵Ǩͺͧ¹ ¡õǨ礹ѹͧ ¹ ͹ оӤҴ

ѭԸ

1) ѭͧҧͧ͡ѡԴѹ ¡Դ Тش͡ҡС͹赡ҧҧ 3 1

2) ѭͧͧ¹͹Թ ¡ͧ͡¹ժͧк¹ӢҴ˭ ͵;Ѵdzҹ˹Ңͧ͹ ѧա 1 дͧС͹͹

3) ѭͧ ʵѹԴҡ͹ӷǹ˹觢ͧʪҾ ǡѹ´ Դҡ Դ鹷ҧԹͧ ¡÷ӷк¹͡

Ũҡ KU Electronic Magazine Ѻ 3 շ 1 ͹ ѹ¹ 2543



Categories:
Page: 1 2

TPCH 蹻ç俿Ҫ 3 ѧѴҤ 36 MW ..
TPCH 蹻ç俿Ҫ 3 ѧѴҤ 36 MW ..
ҹ 蹻ç俿Ҫ 3 ѧѴᴹ
ҹ 蹻ç俿Ҫ 3 ѧѴᴹ
ҧɵá׹
ҧɵá׹
Ŵͤѧҹ Ǵ-ѧҹ ɰԨ
Ŵͤѧҹ Ǵ-ѧҹ ɰԨ
˹á˹ѧ;§ҹ
˹á˹ѧ;§ҹ
3 Ҥçҹӵ ˹عԵ俿Ҩҡҡ
3 Ҥçҹӵ ˹عԵ俿Ҩҡҡ
.ѧҹ 繪ͺѺ俿 к ADDER 10 ç 觼ѡѹѧҹʧҷԵ ա 92 ç ( 11 .. 58 )
.ѧҹ 繪ͺѺ俿 к ADDER 10 ç 觼ѡѹѧҹʧҷԵ ա 92 ç ( 11 .. 58 )
Ἱѧҹ᷹ . - .
Ἱѧҹ᷹ . - .
...ѰٻäѴ¡˹عҧç俿
...ѰٻäѴ¡˹عҧç俿
ºѺ俿ҪѴਹ Ŵ͡ѧҹ᷹
ºѺ俿ҪѴਹ Ŵ͡ѧҹ᷹
.ѧҹ 3 çþѧҹ᷹ ѧ֧Թŧع觻ѧ
.ѧҹ 3 çþѧҹ᷹ ѧ֧Թŧع觻ѧ
Adder ԹǹҤѺ俿 Ѻ VSPP
Adder ԹǹҤѺ俿 Ѻ VSPP
Ἱմվ ʹ
Ἱմվ ʹ
´ç෤աҫҾ
´ç෤աҫҾ
ç෤աҫҾѺçҹصˡ
ç෤աҫҾѺçҹصˡ
͹ 2 ҧҹ
͹ 2 ҧҹ

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